to Conduction cooled high power semiconductor laser and method for fabricating the same By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A conduction cooled high power semiconductor laser and a method for fabricating the same are provided. The conduction cooled high power semiconductor laser comprises a heat sink (2) and one or more semiconductor laser units (1). The semiconductor laser unit consists of a laser chip (3), a substrate (4) bonded to the laser chip for heat dissipation and electrical connection, and an insulation plate (5) soldered to the substrate for insulation and heat dissipation. The semiconductor laser unit is soldered on the heat sink with the insulation plate therebetween. The semiconductor laser unit may be tested, aged, and screened in advance, and thereby the yield of the lasers can be improved and the manufacturing costs can be reduced. The laser has desirable heat dissipation performance, high reliability, and is applicable to high temperature and other complex and volatile environments. Full Article
to Interposer configuration with thermally isolated regions for temperature-sensitive opto-electronic components By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT An interposer (support substrate) for an opto-electronic assembly is formed to include a thermally-isolated region where temperature-sensitive devices (such as, for example, laser diodes) may be positioned and operate independent of temperature fluctuations in other areas of the assembly. The thermal isolation is achieved by forming a boundary of dielectric material through the thickness of the interposer, the periphery of the dielectric defining the boundary between the thermally isolated region and the remainder of the assembly. A thermo-electric cooler can be used in conjunction with the temperature-sensitive device(s) to stabilize the operation of these devices. Full Article
to Optical semiconductor device and method of manufacturing optical semiconductor device By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A method of manufacturing an optical semiconductor device including: forming a mesa structure including a first conductivity type cladding layer, an active layer and a second conductivity type cladding layer in this order on a first conductivity type semiconductor substrate, an upper most surface of the mesa structure being constituted of an upper face of the second conductivity type cladding layer; growing a first burying layer burying both sides of the mesa structure at higher position than the active layer; forming an depressed face by etching both edges of the upper face of the second conductivity type cladding layer; and growing a second burying layer of the first conductivity type on the depressed face of the second conductivity type cladding layer and the first burying layer. Full Article
to Resonator with intracavity transformation of a Gaussian into a top-hat beam By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT The invention relates to an optical resonator, laser apparatus and a method of generating a laser beam inside an optical resonator. The optical resonator (100) includes an optical cavity (102) and an optical element (104.1, 104.2) at either end thereof, operable to sustain a light beam (108) therein, characterized in that each optical element (104.1, 104.2) is a phase-only optical element operable to alter a mode of the beam (108) as it propagates along the length of the optical resonator (100), such that in use the beam (108) at one end of the optical resonator (100) has a Gaussian profile while the beam (108) at the other end of the optical resonator (100) has a non-Gaussian profile. Full Article
to Vibration resistant optically pumped semiconductor laser By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT An intra-cavity frequency doubled OPS-laser includes a laser-resonator terminated by a plane mirror and a mirror-structure of an OPS-chip. The resonator is folded by three fold-mirrors. The fold-mirrors are supported on a vibration-isolation plate supported by isolation posts above a base-plate. The plane mirror and the mirror-structure of the OPS-chip are mounted back to back on opposite parallel surfaces of a mounting block. The mounting-block is supported on the base-plate and extends through an aperture in the vibration-isolation plate. Movement of the vibration-isolation plate with respect to the base-plate does not change the resonator length. Full Article
to Grating external-cavity semiconductor laser and quasi-synchronous tuning method thereof By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A method for quasi-synchronous tuning of wavelength or frequency of grating external-cavity semiconductor laser and a corresponding semiconductor laser are provided. A grating or mirror is rotated around a quasi-synchronous tuning point (Pq) as rotation center, so as to achieve the frequency selections by grating and resonance cavity in quasi-synchronous tuning, wherein the angle of the line between the quasi-synchronous tuning point (Pq) and a conventional synchronous tuning point (P0) with respect to the direction of light incident on the grating is determined according to the angle difference between the incidence angle and diffraction angle of light on the grating. According to present invention, approximately synchronous tuning of laser is achieved with a simple and flexible design. Full Article
to Method for fabricating group-III nitride semiconductor laser device By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A method for fabricating a group-III nitride semiconductor laser device stably supplies laser cavity mirrors having a low lasing threshold current through the use of a semi-polar plane. A blade 5g is forced down through a first region ER1 to keep the first region ER1 squeezed between a support member H2 and a movable member H1 together with a part of a protective sheet TF in contact with the first region ER1 while the tension generated in the area of the protective sheet TF in contact with the first region ER1 with the movable member H1 increases until the semi-polar principal surface SF at an end face EG1 of the first region ER1 tilts by a deflection angle THETA from the semi-polar principal surface SF of a second region ER2, and a force is thereby generated in the first region ER1 in a direction opposite to the direction of travel of the blade 5g toward the first region ER1. For example, an angle ALPHA is within the range of 71 degrees to 79 degrees, and the deflection angle THETA is within the range of 11 to 19. Full Article
to Tensile strained semiconductor photon emission and detection devices and integrated photonics system By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT Tensile strained germanium is provided that can be sufficiently strained to provide a nearly direct band gap material or a direct band gap material. Compressively stressed or tensile stressed stressor materials in contact with germanium regions induce uniaxial or biaxial tensile strain in the germanium regions. Stressor materials may include silicon nitride or silicon germanium. The resulting strained germanium structure can be used to emit or detect photons including, for example, generating photons within a resonant cavity to provide a laser. Full Article
to Semiconductor laser By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A semiconductor laser includes a semiconductor nanowire of a first conductivity type provided over a substrate, a light emitting layer provided around the semiconductor nanowire and insulated at an upper end and a lower end thereof, a cladding layer of a second conductivity type different from the first conductivity type, the cladding layer being provided at an outer periphery of the light emitting layer, a first electrode electrically coupled to an end portion of the semiconductor nanowire, a second electrode electrically coupled to an outer periphery of the cladding layer, a first reflection mirror provided at a one-end portion side of the semiconductor nanowire, and a second reflection mirror provided at the other end portion side of the semiconductor nanowire. Full Article
to Light emitting semiconductor device By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A fiber coupled semiconductor device and a method of manufacturing of such a device are disclosed. The method provides an improved stability of optical coupling during assembly of the device, whereby a higher optical power levels and higher overall efficiency of the fiber coupled device can be achieved. The improvement is achieved by attaching the optical fiber to a vertical mounting surface of a fiber mount. The platform holding the semiconductor chip and the optical fiber can be mounted onto a spacer mounted on a base. The spacer has an area smaller than the area of the platform, for mechanical decoupling of thermally induced deformation of the base from a deformation of the platform of the semiconductor device. Optionally, attaching the fiber mount to a submount of the semiconductor chip further improves thermal stability of the packaged device. Full Article
to Three dimensional image projector stabilization circuit By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A method for providing a feedback circuit for a three dimensional projector. First and second input devices and a sensor for determining the rotational speed of the second input device are provided. A control device for controlling the rotational speed of the second input device and a phase locked loop (PLL) are provided. A phase reference signal is created based on the signal rate of the first input device. A phase signal is created based on the rotational speed of the second input device. The PLL compares the phase reference signal and the phase feedback signal to determine whether the first input device and the second input device are synchronized. A signal is sent to the control device for the second input device to change the rotational speed of the second input device in response to determining that the first input device and the second input device are not synchronized. Full Article
to Method to tune emission wavelength of semiconductor laser diode By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A method to tune an emission wavelength of a laser diode (LD) finely is disclosed. The method first controls a temperature of the etalon filter in T1 or T2, where the transmittance of the etalon filter becomes 40 to 50%, assuming a height between the peak and the bottom of the periodic transmittance to be 100%, at the grid wavelength λ1 or λ2, respectively. Then, the temperature of the LD is adjusted such that the intensity of light emitted from the LD and transmitted through the etalon filter becomes 40 to 50%. Full Article
to Photonic device structure and fabrication method thereof By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Various embodiments of a photonic device and fabrication method thereof are provided. In one aspect, a device includes a substrate, a current confinement layer disposed on the substrate, an absorption layer disposed in the current confinement layer, and an electrical contact layer disposed on the absorption layer. The current confinement layer is doped in a pattern and configured to reduce dark current in the device. The photonic device may be a photodiode or a laser. Full Article
to III-V photonic crystal microlaser bonded on silicon-on-insulator By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Novel methods and systems for miniaturized lasers are described. A photonic crystal is bonded to a silicon-on-insulator wafer. The photonic crystal includes air-holes and can include a waveguide which couples the laser output to a silicon waveguide. Full Article
to Device with transparent and higher conductive regions in lateral cross section of semiconductor layer By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A device including one or more layers with lateral regions configured to facilitate the transmission of radiation through the layer and lateral regions configured to facilitate current flow through the layer is provided. The layer can comprise a short period superlattice, which includes barriers alternating with wells. In this case, the barriers can include both transparent regions, which are configured to reduce an amount of radiation that is absorbed in the layer, and higher conductive regions, which are configured to keep the voltage drop across the layer within a desired range. Full Article
to Tunable external resonator laser By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT Disclosed is an ASE-free continuously tunable external resonator laser in which reduction in tuning range and decrease in output are suppressed. The external resonator laser comprises: a fixed support body which has a half mirror that partially reflects incident light and partially transmits incident light fixed therein; and a rotatory support body which is rotatably supported by the fixed support body by way of a shaft, and which has a laser chip that emits light, a collimator lens that collimates light emitted from the laser chip, and a diffraction grating that diffracts light emitted from the laser chip, fixed therein. Full Article
to Hybrid laser light sources for photonic integrated circuits By www.freepatentsonline.com Published On :: Tue, 26 May 2015 08:00:00 EDT A light source for a photonic integrated circuit may comprise a reflection coupling layer formed on a substrate in which an optical waveguide is provided, at least one side of the reflection coupling layer being optically connected to the optical waveguide; an optical mode alignment layer provided on the reflection coupling layer; and/or an upper structure provided on the optical mode alignment layer and including an active layer for generating light and a reflection layer provided on the active layer. A light source for a photonic integrated circuit may comprise a lower reflection layer; an optical waveguide optically connected to the lower reflection layer; an optical mode alignment layer on the lower reflection layer; an active layer on the optical mode alignment layer; and/or an upper reflection layer on the active layer. Full Article
to System and method for creating customized products By www.freepatentsonline.com Published On :: Tue, 30 Jul 2013 08:00:00 EDT The present invention relates to a system and method for creating customized products using a product identification device. In some embodiments, the process involves receiving an aggregate order for yearbooks, creating a master list associated with the aggregate order and including single orders, associating at least one number with each single order, manufacturing a first portion of a yearbook for each single order with a first identifier associated with that portion and also being associated with the at least one number, manufacturing a second portion of the yearbook for the single order with a second identifier associated with that portion and also being associated with the at least one number, and combining the first portion with the second portion. Full Article
to Cover applier and method of aligning a book image to a cover image By www.freepatentsonline.com Published On :: Tue, 27 Aug 2013 08:00:00 EDT A cover applier is provided. The cover applier includes a transport system transporting a book, a cover delivery delivering a cover to a book, the cover delivery driven by a servomotor, a book sensor detecting an image printed on the book prior to the cover being delivered to the book and a cover sensor detecting an image printed on the cover prior to the cover being delivered to the book. The servomotor adjusting the position of the cover with respect to the book as a function of the book sensor and cover sensor. A method is also provided. Full Article
to Device for shaping a book casing spine to be oriented approximately evenly distributed toward a book block spine By www.freepatentsonline.com Published On :: Tue, 08 Oct 2013 08:00:00 EDT A device is provided to shape a spine of a book casing positioned horizontally spread out flat and oriented to be distributed evenly over a spine of a book block. Two fold-shaping rails are arranged extending in a direction parallel to one another. A movable, shaping tool is arranged to face the inside of the book casing spine to shape a web on the book casing spine with the aid of the two fold-shaping rails. The shaping tool includes two spaced-apart support bars that extend parallel to the fold-shaping rails and are arranged to be adjustable so that together they adjust the web width of the book casing spine in a direction transverse to the direction of extension of the fold-shaping rails. Full Article
to Adhesive applicator for perfect bound books and method of applying adhesive By www.freepatentsonline.com Published On :: Tue, 15 Oct 2013 08:00:00 EDT An adhesive applicator is disclosed for the application of a hot melt adhesive to the spine of a book block so as to adhesively bind the book block to its respective cover so as to form a perfect bound book. The applicator has a heated head in which a small quantity of a hot melt adhesive sufficient to bind at least one book block to its cover is quickly heated to a temperature such that it may be applied to the spine. The head is brought into operative engagement with the spine and is moved with respect to the spine so that the melted adhesive forced (dispensed) out of the head onto the spine. This applicator is particularly well suited for use with print on demand book printing and binding apparatus. A method of applying the adhesive to the spine of a book block is also disclosed. Full Article
to Device for cutting to length and feeding spine strips for a case maker By www.freepatentsonline.com Published On :: Tue, 12 Aug 2014 08:00:00 EDT In a device for cutting to length and feeding spine strips (3) for a case maker (1), a center strip conveying device (30) is provided that advances the spine strip material (5, 6) by the spine width (BS) transverse to the board feed direction (23) in a cyclic fashion. The spine width (BS) can be changed from work cycle to work cycle without accumulating additional waste. This can be realized because the previously required width sizing on the material web is eliminated. Full Article
to Image forming system which controls image formation on a bundle of sheets to be bound by a ring bookbinding section By www.freepatentsonline.com Published On :: Tue, 25 Nov 2014 08:00:00 EST An image forming system includes: a ring bookbinding section which perform a ring bookbinding to a bundle of sheets by using a binder provided with a spine portion and a plurality of finger portions; and a judging section, wherein a last page is firstly fed immediately after job initiation and, subsequently after having fed the last page, image formation based on the image data is initiated, when the judging section judges that an image is not formed on the last page, and wherein all of the image data is firstly acquired completely after job initiation, subsequently the last page is fed and formed image thereon, and then image formation of remaining pages is carried out, when the judging section judges that image is formed on the last page. Full Article
to Method for creating a customized children's storybook with fingerprint art using fingerprint-ready image templates By www.freepatentsonline.com Published On :: Tue, 30 Dec 2014 08:00:00 EST Methods for creating customized children's storybooks with fingerprint art using fingerprint-ready templates stored in association with a software application on a desktop computer, a tablet computer, or a smart phone. The methods include the use of preconfigured templates and prompted discussions that elicit responses from the child to create text for the storybook. The text may be generated by speech recognition software processing digital audio recordings of the child's responses. A digital image of the child's fingerprint is acquired and the fingerprint image and/or the storybook scenes are scaled to fit each other. Fingerprint-ready image templates are used to facilitate the creation of fingerprint art. A completed page image is formed by digitally inserting a fingerprint into the fingerprint-shaped area, and if desired, coloring the image or drawing a scene around the image. When the scenes are completed the software application compiles the book pages and prints the same. Full Article
to Machine for attachment of cover to book block and book binding apparatus having the same By www.freepatentsonline.com Published On :: Tue, 10 Feb 2015 08:00:00 EST A machine for attachment of a cover to a book block comprises a press plate elevating mechanism for elevating a press plate 8, a nip plate drive mechanism for sliding nip plates 9 and 10, and a controller 30 controlling the press plate elevating mechanism and the nip plate drive mechanism. The press plate 8 elevates from the lower standby position to an upper press position. The press plate 8 presses the cover 12 to the book block 4 at the upper press position. The cover 12 is attached to the book block 4 by pressing the cover 12 to the lower end surface of the book block 4. The press plate 8 is elevated from the intermediate position to the upper press position, staying at the intermediate position during a waiting time for adjustment. The press plate 8 elevates from the intermediate position to the upper press position. Full Article
to Adaptor for windshield wiper arm bracket By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A windshield wiper arm bracket includes a pair of side walls. Each of said side walls include at least one centrally located pin arm receiving hole formed therein. The bracket also includes a post attaching the pair of side walls together. The post is for receiving a pin arm adaptor thereon. The bracket also includes an attachment arm formed on a bottom of each of the pair of side walls. The attachment arms are for connecting the bracket to a windshield wiper assembly. An adaptor for a windshield wiper arm bracket includes a top portion and a web portion. The web portion includes a central aperture formed therein. The central aperture includes a first portion for receiving a post of the windshield wiper arm bracket and a second aperture for receiving a pin arm of a windshield wiper arm. Full Article
to Toggle bolt device By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT A fastener apparatus is disclosed that features projecting locking members that extend and retract when a central drive shaft is rotated. The exterior of the connector has a body that is partially threaded to receive a nut so that two structures (e.g. flanges, panels, plates, beams, etc.) can be pulled together by tightening the bolt when the locking members are in the extended position. In one embodiment, the shaft can be an eyebolt. Full Article
to Fastening element for connecting a support part to an add-on part By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A fastening element includes a holding part with a support plate and expanding cheeks, and a locking part guidingly received in the holding part. The expanding cheeks include cantilevered walls formed adjacent the support plate, which are offset radially outwardly with respect to a guide wall of the support plate which guides the locking part. The locking part can be pushed through the support plate substantially without force until it reaches inwardly protruding ramp projections formed on the expanding cheeks, which provide a better lever ratio for spreading the expanding cheeks. Full Article
to Guiding device which is intended to be interposed between a device for fixing components of an assembly, and a device for protecting the fixing device By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT An assembly comprising at least two non-metal components which are fixed to each other using at least one fixing system. The fixing system includes a fixing device with a fixing element which is provided with a head and a rod, and a crimping ring which is in contact with one of the components. A protection device is a part of the fixing system which delimits a cavity for confining gas around a portion of the device comprising the crimping ring. In order to improve the repeatability of the operation for positioning the protection device, a guiding device is provided which includes an assembly element on the portion of the fixing device, and an element for guiding the protection device. Full Article
to Insulated support for electric conductors, finger grip, and method of making same By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT A manufacturing method and device for supporting conductors. Using a non-metallic insulating material extending beyond one or both parallel legs of a staple the thumb and forefinger may grip this extension while the staple is being driven into a supporting structure. This finger grip allows for a small, insulated staple to be held with increased safety to thumb and forefinger during penetration of staple into support. Full Article
to Bolt tightener device for tightening a through-bolt in a generator core By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT A generator stator core through-bolt tensioning device that automatically tightens the nut on the through-bolts that hold together and compress laminate plates of the stator core in a high voltage generator. A controller receives a signal from a measuring device, such as a fiber Bragg grating that measures the strain on the bolt, and based on that signal determines whether the nut needs to be tightened. If the controller determines that tightening is necessary, it will cause the tensioning device to automatically tighten the nut while the generator is in service, and use the measuring device to provide feedback of the tensioning of the through-bolt to know when to stop the device from tightening the nut. Full Article
to Fastener for attaching objects to channeled members By www.freepatentsonline.com Published On :: Tue, 05 May 2015 08:00:00 EDT A fastener for attaching objects to channeled members wherein the objects have a hole extending therethrough and the channeled members have a longitudinal slot formed between projecting longitudinal walls. The fastener includes a button and a retainer. The button includes an abutment wall, an abutment surface and an axially extending slot. The retainer includes an engagement boss and a head at opposite ends of shaft. The retainer extends through the button slot. For attaching the object, the button extends through the object hole with the abutment wall adjacent the object and the abutment surface adjacent the channeled member. The retainer boss and part of the shaft extend through the longitudinal slot. The retainer is rotated for engaging the longitudinal walls with the boss. The longitudinal walls are sandwiched between the boss and the button abutment surface and the object is sandwiched between the channeled member and the button abutment wall. Full Article
to Tall toilet bolt cap By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT Decorative toilet bolt caps having and elongated tube positioned above an aperture are disclosed. The cap may be formed of a single unit of material. By virtue of having an elongated tube positioned above an aperture, the cap may cover a closet bolt having an unreduced length. Full Article
to Threaded connector for pole, machinery and structural elements By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A threaded connector for securing a panel member to a structure and for adjusting the position of the panel member relative to the structure. The connector comprises an elongate one-piece stud, a first spacer, a threaded nut, a second spacer and a turning formation. The connector permits the panel member to be mounted on the stud and the stud to be rotated to adjust the position of the panel member relative to the structure. Full Article
to Configurable multi-lane scrambler for flexible protocol support By www.freepatentsonline.com Published On :: Tue, 03 Feb 2015 08:00:00 EST Various structures and methods are disclosed related to configurable scrambling circuitry. Embodiments can be configured to support one of a plurality of protocols. Some embodiments relate to a configurable multilane scrambler that can be adapted either to combine scrambling circuits across a plurality of lanes or to provide independent lane-based scramblers. Some embodiments are configurable to select a scrambler type. Some embodiments are configurable to adapt to one of a plurality of protocol-specific scrambling polynomials. Some embodiments relate to selecting between least significant bit (“LSB”) and most significant bit (“MSB”) ordering of data. In some embodiments, scrambler circuits in each lane are adapted to handle data that is more than one bit wide. Full Article
to Methods, systems and devices for generating real-time activity data updates to display devices By www.freepatentsonline.com Published On :: Tue, 10 Feb 2015 08:00:00 EST Methods, systems and devices are provided for displaying monitored activity data in substantial real-time on a screen of a computing device. One example method includes capturing motion data associated with activity of a user via an activity tracking device. The motion data is quantified into a plurality of metrics associated with the activity of the user. The method includes connecting the activity tracking device with a computing device over a wireless data connection, and sending motion data from the activity tracking device to the computing device for display of one or more of the plurality of metrics on a graphical user interface of the computing device. At least one of the plurality of metrics displayed on the graphical user interface is shown to change in substantial real-time based on the motion data. Full Article
to ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***Driver circuit, display device, and electronic device By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT To suppress malfunctions in a shift register circuit. A shift register having a plurality of flip-flop circuits is provided. The flip-flop circuit includes a transistor 11, a transistor 12, a transistor 13, a transistor 14, and a transistor 15. When the transistor 13 or the transistor 14 is turned on in a non-selection period, the potential of a node A is set, so that the node A is prevented from entering into a floating state. Full Article
to Method and system for synchronizing the phase of a plurality of divider circuits in a local-oscillator signal path By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A method and system for synchronizing the output signal phase of a plurality of frequency divider circuits in a local-oscillator (LO) or clock signal path is disclosed. The LO path includes a plurality of frequency divider circuits and a LO buffer for receiving a LO signal coupled to the plurality of frequency divider circuits. The method and system comprise adding offset voltage and setting predetermined state to each of the frequency divider circuits; and enabling the frequency divider circuits. The method and system includes enabling the LO buffer to provide the LO signal to the frequency divider circuits after they have been enabled. When the LO signal drives each of the frequency divider circuits, each of the frequency divider circuits starts an operation. Finally the method and system comprise removing the offset voltage from each of the frequency divider circuits to allow them to effectively drive other circuits. Full Article
to Semiconductor device By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A semiconductor device that includes transistors having the same polarity consumes less power and can prevent a decrease in amplitude of a potential output. The semiconductor device includes a first wiring having a first potential, a second wiring having a second potential, a third wiring having a third potential, a first transistor and a second transistor having the same polarity, and a plurality of third transistors for selecting supply of the first potential to gates of the first transistor and the second transistor or supply of the third potential to the gates of the first transistor and the second transistor and for selecting whether to supply one potential to drain terminals of the first transistor and the second transistor. A source terminal of the first transistor is connected to the second wiring, and a source terminal of the second transistor is connected to the third wiring. Full Article
to Thin film transistor threshold voltage offset compensation circuit, GOA circuit, and display By www.freepatentsonline.com Published On :: Tue, 21 Apr 2015 08:00:00 EDT An output thin film transistor threshold voltage offset compensation circuit, a GOA circuit, and a display. The circuit includes: a first capacitor, comprising a first electrode and a second electrode, the first electrode being connected to the gate of an output thin film transistor and receiving a charge signal, the second electrode being connected to the drain of the output thin film transistor, the first capacitor being used for, under the action of the charge signal, making the first electrode and the second electrode have a same voltage, so that a voltage difference between the drain and the source of the output thin film transistor is equal to a threshold voltage thereof; a first switch unit, connected to the drain and the source of the output thin film transistor, and opening under the action of a first clock signal, so that a voltage difference between the gate and the source of the output thin film transistor is equal to the threshold voltage thereof. Full Article
to Semiconductor device By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT A semiconductor device which shifts a low-level signal is provided. In an example, a first transistor including a first terminal electrically connected to a first wiring and a second terminal electrically connected to a second wiring, a second transistor including a first terminal electrically connected to a third wiring and a second terminal electrically connected to the second wiring, a third transistor including a first terminal electrically connected to a fourth wiring and a second terminal electrically connected to a gate of the second transistor, a fourth transistor including a first terminal electrically connected to a fifth wiring, a second terminal electrically connected to a gate of the third transistor, and a gate electrically connected to a sixth wiring, and a first switch including a first terminal electrically connected to the third wiring and a second terminal electrically connected to a gate of the first transistor are included. Full Article
to Head trailer with saddle actuator By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST A trailer for transporting an agricultural harvesting head includes a pair of saddles for supporting the head. The saddles are adjustably mounted on the trailer frame and are simultaneously moved together by an actuator operated by a remote control. The saddles are connected by telescoping rod sections so that the spacing between the saddles is adjustable. Full Article
to Auto-rack railroad car vehicle restraint apparatus By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST A vehicle restraint system for an auto-rack railroad car which includes an active chock and an anchor chock configured to co-act to secure a vehicle in the auto-rack railroad car. In various embodiments, each chock has a chock body including a substantially diamond shaped elongated tube which includes four integrally connected elongated walls. In various embodiments, for each chock, various components of that chock extend substantially along longitudinal axis that lie in the same or substantially the same vertical plane as the apex and trough of the substantially diamond shaped elongated tube of the chock body. The active and anchor chocks: (a) have a lower height than known commercially available vehicle restraints; (b) have a smaller width than known commercially available vehicle restraints; (c) position the strap and the torque tube closer to the tire of the wheel than any known commercially available vehicle restraints; (d) take up a smaller area of each safe zone adjacent to the wheel than known commercially available vehicle restraints; (e) provide a greater strength to size ratio than known commercially available vehicle restraints; and (f) are easy to operate, install, and remove. Full Article
to Transport vehicle for rotor blades and/or tower segments of wind power plants and transport rack for a transport vehicle By www.freepatentsonline.com Published On :: Tue, 24 Feb 2015 08:00:00 EST There is provided a transport vehicle for transporting wind power installation rotor blades and/or pylon segments. The transport vehicle has a transport support structure having a main frame, a receiving frame fixedly connected to the main frame at a first angle, and a rotary displacement unit which is fixed with one end to the receiving frame and which at its second end has a blade adaptor for receiving a rotor blade or a pylon segment. The main frame spans a main plane. The rotary displacement unit has at least one first rotary mounting, wherein there is provided a second angle between the second rotary plane of the second rotary mounting. Full Article
to Transportation and storage system for wind turbine blades By www.freepatentsonline.com Published On :: Tue, 03 Mar 2015 08:00:00 EST A transportation and storage system for a wind turbine rotor blade comprises a tip end frame assembly comprising a tip end receptacle and a tip end frame. The tip end receptacle comprises an upwardly open tip end-receiving space for receiving a portion of the tip end of the blade and having a supporting surface for supporting the blade, a lower surface allowing the tip end receptacle to rest upright on a substantially horizontal surface, such as the ground, and releasable retaining means for releasably retaining the tip end of the blade in the receiving space of the tip end receptacle. The tip end frame comprises an upwardly open receptacle-receiving space for receiving the receptacle and provided with positioning means for positioning the receptacle in the tip end frame. A base part defines a bottom surface allowing the tip end frame to rest upright on the ground. Full Article
to Trunk, cargo area, and truck bed storage press By www.freepatentsonline.com Published On :: Tue, 10 Mar 2015 08:00:00 EDT An adjustable cargo storage press for organizing and securing cargo items stored in a cargo storage area of an automobile. The adjustable cargo storage press is disposed within or integrated with a cargo area of an automotive vehicle such as a trunk, bed or bed liner of a car, truck, or sport utility vehicle. The press prevents movement of cargo items and potential damage to the cargo items during transport. The press also maintains the position of the cargo items for easy removal from the cargo storage area. The press includes one or more hinged walls that lock in a vertical position and move towards each other along guide tracks. The one or more hinged walls compress the cargo items between the hinged walls, and fold flat when not in use so as not to limit cargo storage capacity of the cargo storage area. Full Article
to Cargo bed stake pocket adapted for securing J-hook strap thereto By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT Stake pocket formations are secured to a cargo bed frame of a land vehicle such as trailers and flatbed trucks for removably supporting sidewall supporting members. The formations include sidewalls secured to and projecting from the frame and an end wall extending between the sidewalls. An opening extends through the end wall and is adapted to receive the terminal end of a J-hook therethrough. The J-hook is secured to the formation by inserting the terminal end thereof into the pocket placing an upper edge of the end wall into the J-hook gap and rolling/rotating the J-hook thereby inserting the terminal end into the opening. The J-hook cannot be removed from the pocket unless it is rolled/rotated in the opposite direction. While within the stake pocket and without strap tension, the J-hook abuts the trailer frame and formation end wall and is, thereby, maintained within the pocket. Full Article
to Auto-rack railroad car vehicle wheel chock By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT A vehicle wheel chock for a vehicle restraint system for an auto-rack railroad car which secures a vehicle in the auto-rack railroad car. The vehicle wheel chock is configured to be positioned on a grating adjacent to a tire of the vehicle. Full Article
to E-track connector By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT An improved e-track connector, or lockdown, is presented that can be installed in single locations instead of provided in tracks as in the industry. It also possesses a finished slot that accepts logistics straps buckles. The slot is a complete rectangle with no excess material folded under it and has been deburred and finished smooth. The device also possesses a drain slot along the side of the tang and drain holes in the buckle receiver such that liquid will drain out of the connector when it is mounted horizontally. Full Article
to Method and apparatus for handling aerogenerator blades By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT Method and apparatus for handling aerogenerator blades that provide a versatile means for handling aerogenerator blades without an unbalanced distribution of the loads in the blade. The method comprises positioning an upper mounting part (103) over the blade after the upper mold has been retracted; lifting the blade with the upper mounting part from the under mold using a lifting means; positioning the blade over an under mounting part (104) which is fixedly attached to an inferior movable support (102); attaching the upper mounting part to the under mounting part, wherein the upper and under mounting parts together have the inner surface substantially corresponding to the shape of the blade outer profile section. The invention further comprises an apparatus for handling aerogenerator blades. Full Article