it Method and Apparatus for Generation of 3D Models with Applications in Dental Restoration Design By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT Methods and apparatus are provided for generating computer 3D models of an object, by registering two or more scans of physical models of an object. The scans may be 3D scans registered by a curve-based registration process. A method is provided for generating a 3D model of a portion of a patient's oral anatomy for use in dental restoration design. Also provided are scanning workflows for scanning physical models of an object to obtain a 3D model. Full Article
it Hydraulic Circuit for Clutch Actuation By www.freepatentsonline.com Published On :: Thu, 25 May 2017 08:00:00 EDT A hydraulic circuit includes a clutch actuator operatively associated with a clutch that may be disposed in a transmission. A hydraulic fluid source supplies pressurized hydraulic fluid for the clutch actuator. To measure the filling rate of the hydraulic actuator, a reference actuator having a predetermined filling rate is disposed in parallel with the hydraulic actuator and in fluid communication with the hydraulic fluid source. If hydraulic pressure associated with the reference actuator does not correspond to the hydraulic pressure associated with the clutch actuator, a compensation valve can appropriately respond by selectively directing hydraulic fluid to or from the clutch actuator. In a further embodiment, the reference actuator and compensation valve may be replaced with an electrohydraulic valve utilizing feedback from the hydraulic pressure present at the inlet of the clutch actuator. Full Article
it Hydraulic Circuit for Clutch Actuation By www.freepatentsonline.com Published On :: Thu, 25 May 2017 08:00:00 EDT A hydraulic circuit includes a clutch actuator operatively with a clutch that may be disposed in a transmission. A hydraulic fluid source supplies pressurized hydraulic fluid for the clutch actuator. An on-off valve is disposed in fluid communication between the clutch actuator and the hydraulic fluid source; the on-off valve configured to fill the clutch actuator with hydraulic fluid. An accumulator is disposed in parallel with the on-off valve and in fluid communication with the clutch actuator. The accumulator is adapted to receive hydraulic fluid redirected from the clutch actuator and to provide a counter-pressure for modulating the clutch actuator. Full Article
it TORQUE CONVERTER WITH AN EMBOSSED COVER FOR RECEIVING A CARRIER PLATE By www.freepatentsonline.com Published On :: Thu, 25 May 2017 08:00:00 EDT A torque converter, including: an axis of rotation; a cover arranged to receive torque from an engine and including a first indentation; an impeller shell fixedly secured to the cover; at least one impeller blade fixedly secured to the impeller shell; a turbine including a turbine shell and at least one turbine blade fixedly secured to the turbine shell; and a lock-up clutch including a first carrier plate fixedly secured to the cover and including a first protrusion disposed in the first indentation and a clutch plate non-rotatably connected to the first carrier plate. Full Article
it WET DUAL MULTI-PLATE CLUTCH WITH LEVERS OUTSIDE THE WET CHAMBER By www.freepatentsonline.com Published On :: Thu, 01 Jun 2017 08:00:00 EDT A multi-plate dual clutch for coupling a motor vehicle engine to a drive shaft of a motor vehicle transmission and to an auxiliary power take-off output shaft of the motor vehicle. The dual clutch includes a drive clutch for coupling the motor vehicle engine with the drive shaft, and an auxiliary power take-off clutch for coupling the motor vehicle engine with the auxiliary output shaft. The drive clutch and the auxiliary power take-off clutch can each to be operated independently of one another by a separate lever mechanism. The dual clutch includes a wet chamber housing in which the drive clutch and the auxiliary power take-off clutch are accommodated in fluid-tight relationship, while the respective lever mechanisms for the drive clutch and the auxiliary power take-off clutch are located outside the wet chamber housing. Full Article
it ELECTROMECHANICAL ACTUATOR COMPRISING A MECHANICAL ROLLER TORQUE LIMITER By www.freepatentsonline.com Published On :: Thu, 01 Jun 2017 08:00:00 EDT An electromechanical actuator comprising a body and an electric motor driving at least one motion transmission element connected to the body via a brake device, a mechanical torque limiter with rollers, and a unidirectional transmission member, the brake device including an electrical activator member so that when the activator member is powered, the unidirectional transmission member is released relative to the body, and when the activator member is not powered, the unidirectional transmission member is secured to the body and opposes pivoting of the transmission element in one direction of rotation up to a maximum transmissible torque defined by the torque limiter. Full Article
it CLUTCH PACK WITH ROBUST HYSTERESIS By www.freepatentsonline.com Published On :: Thu, 01 Jun 2017 08:00:00 EDT A hysteresis device assembly comprises a first spacer plate, a second spacer plate, a stack plate, and a hub. The hub engages the second spacer plate. The hysteresis device assembly further comprises a tabbed washer comprising a tab. The tab engages the first spacer plate and the stack plate. Full Article
it DEVICE FOR ACTUATING A CLUTCH-CONTROLLED TRANSFER CASE HAVING A TWO-STAGE INTERMEDIATE GEARING AND CLUTCH-CONTROLLED TRANSFER CASE THAT HAS A TWO-STAGE INTERMEDIATE GEARING AND THAT IS EQUIPPED WITH SAID DEVICE By www.freepatentsonline.com Published On :: Thu, 15 Jun 2017 08:00:00 EDT The invention relates to a device for actuating a clutch-controlled transfer case having a two-stage intermediate gearing and a clutch-controlled transfer case that has a two-stage intermediate gearing and that is equipped with such a device. The device comprises: a rotatably driven selector shaft,a drive for rotating the selector shaft,a clutch cam disk, which can be rotated about a clutch cam disk axis by means of the selector shaft, andat least one scissor lever, wherein: one end (06) of at least one scissor lever is guided in a gate provided on the clutch cam disk,the gate has a curved path for each scissor lever, in which curved path the end of the scissor lever associated with the curved path is guided,the curved path winds around the clutch cam disk axis by at least 360°,the curved path has at least one helical segment having a continuously increasing or decreasing distance from the clutch cam disk axis, along which segment one end of a scissor lever guided therein experiences a continuously increasing or decreasing change in deflection with respect to the clutch cam disk axis during a rotation of the clutch cam disk with increasing angle of rotation, andthe clutch cam disk is disposed in such a way that the clutch cam disk can be rotated with respect to the selector shaft between two stops by an angle-of-rotation range such that, by means of rotation of the selector shaft within the angle-of-rotation range situated between said stops, shifting back and forth between the shifting stages of the intermediate gearing occurs, and, by means of rotation of the selector shaft beyond the angle-of-rotation range, the end of the at least one scissor lever experiences a deflection for actuating the clutch while a selected shifting stage is maintained. Full Article
it METHOD OF OPERATING A POWER PATH WITH CONTINUOUSLY POWER-SPLIT TRANSMISSION AND WITH SECONDARILY COUPLED POWER SPLIT By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A method for operating a vehicle drive-train having a continuously power-branched transmission with secondary coupling. In the open operating condition of reversing clutches of a reversing gear unit, torque applied in the area of a drive output can be supported by a range group in the area of a variator. In the event of a command to interrupt the power flow between a drive engine and the drive output, it is checked whether the vehicle is on an inclined surface and if the result of that inquiry is positive, the power flow between the drive engine and the transmission is interrupted at the latest when the rotational speed of the drive output is reduced to zero by opening the reversing clutches, while the active connection between the drive output and the variator is maintained by way of the range group. Full Article
it POWER EQUIPMENT DEVICE WITH REMOVABLE ATTACHMENTS By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT The disclosed technology relate to a device and system that include an outdoor power equipment power unit or cart configured to releasably couple a number of different interchangeable attachments or work implements to a common power unit, where some attachments include and/or require operator presence control, while other attachments do not include and/or require operator presence control. The outdoor power equipment power unit includes a power transfer coupling member operatively coupled to the drive shaft and configured to transfer rotational power to the associated attachment; and an operator presence actuation member operatively coupled to the operator presence control member, the operator presence actuation member configured to rotate in response to user actuation of the operator presence control member. Full Article
it SYNCHRONIZATION UNIT FOR A GEAR CHANGING TRANSMISSION By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A synchronization unit of a switchable gear changing transmission for a vehicle. The synchronization unit includes a friction ring having an outer installation surface and a synchronizer ring having an inner installation surface. The outer installation surface of the friction ring is shaped as a first geometrically structured profile. The inner installation surface of the synchronizer ring is shaped as a corresponding second geometrically structured profile. The first profile of the friction ring is configured to engage with the second profile of the synchronizer ring in such a manner that the friction ring is secured in the radial direction to the axis and in the circumferential direction at the synchronizer ring. Full Article
it Power Transmitting Apparatus By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A power transmitting apparatus has a clutch member and a pressure member. The cam surfaces of the pressure-contact assist cam face each other. The cam surfaces of the back torque limiter cam face each other. A receiving portion for a clutch spring (10) on the pressure member (5) side has a receiving member (11) separate from the pressure member (5). A first cam surface (C1) and a second cam surface (C2), constituting the back torque limiter cam, are, respectively, formed on the receiving member (11) and the clutch member (4). A third cam surface (C3) and a fourth cam surface (C4), constituting the pressure-contact assist cam, are, respectively, formed on the pressure member (5) and the clutch member (4). Full Article
it INTEGRATED TORQUE LIMITER/NO-BACK DEVICE By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT An integrated torque limiter/no-back device for use in an actuator with an input shaft, an output, and a gear reduction. The device includes an input ramp, an output ramp coupled to the gear reduction, a combined ramp disposed between the input ramp and the output ramp, a first plurality of balls arranged between the input ramp and the combined ramp, a second plurality of balls arranged between the combined ramp and the output ramp, a pin, and a brake. The pin extends from the input ramp to the combined ramp and coupled to the input shaft. The combined ramp, the output ramp, and the second plurality of balls therebetween are configured to operate as a torque limiter by causing the combined ramp and the output ramp to separate and the output ramp to engage the brake when the torque from the input shaft exceeds a torque threshold. Full Article
it Polymer composition having heat-absorbing properties and high stability to weathering By www.freepatentsonline.com Published On :: Tue, 03 Mar 2015 08:00:00 EST The invention relates to a polymer composition which absorbs infrared radiation (IR), containing a transparent thermoplastic plastic, an inorganic infrared absorber, also referred to as IR absorber hereinbelow, at least one inorganic nano-scale pigment, and the combination of at least two organic coloring agents of a specific structure, and to the preparation and use of the polymer compositions according to the invention and to products produced therefrom. Full Article
it Hair composition By www.freepatentsonline.com Published On :: Tue, 10 Mar 2015 08:00:00 EDT A hair coloring composition comprising: a) dihydroxyacetone or a derivative thereof; b) from 0.2 to 10 wt % of the total composition of a cationic conditioning compound c) a sulphonic compound of formula: H2N—(CHR1}pS(—X)q—Y in which where p is an integer from 1 to 5, R1 is H or an alkyl group, X is O or S q is an integer from 0 or 1. Y is an alkyl group or hydroxyl group. Full Article
it Fabric cleaning composition comprising hueing agent By www.freepatentsonline.com Published On :: Tue, 10 Mar 2015 08:00:00 EDT A fabric cleaning composition comprising from 1% to 20% by weight of the fabric cleaning composition of an oxygen-based bleaching source and a hueing agent, and wherein the neat composition has a pH between 2.5 and 5.5, and a method of using said fabric cleaning composition. Full Article
it Thiophene azo dyes and laundry care compositions containing the same By www.freepatentsonline.com Published On :: Tue, 17 Mar 2015 08:00:00 EDT This application relates to thiophene azo dyes for use as hueing agents, laundry care compositions comprising such thiophene azo dyes, processes for making such thiophene azo dyes, and laundry care compositions and methods of using the same. The thiophene azo dyes contain a formally charged moiety and are generally comprised of at least two components: at least one chromophore component and at least one polymeric component. Suitable chromophore components generally fluoresce blue, red, violet, or purple color when exposed to ultraviolet light, or they may absorb light to reflect these same shades. These thiophene azo dyes are advantageous in providing a hueing effect, for example, a whitening effect to fabrics, while not building up over time and causing undesirable blue discoloration to the treated fabrics. The thiophene azo dyes are also generally stable to bleaching agents used in laundry care compositions. Full Article
it Fructan-based epilatory compositions By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT The invention relates to an epilatory mixture comprising a fructan, preferably inulin. Furthermore, an epilatory composition is disclosed comprising said epilatory effective mixture. Also a method of use of said epilatory composition of the invention for the removal of unwanted hair from the skin is disclosed, as well as a method of use of said composition for carrying out an epilatory treatment which can be carried out by a professional person as well as by a non-professional person. Full Article
it Laundry article having cleaning and conditioning properties By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT The invention discloses a laundry article used for both cleaning and conditioning fabrics comprising a water-insoluble nonwoven substrate and coated thereon into at least one zone each a detergent composition and a fabric conditioning composition. The fabric conditioning composition comprises a quaternary ammonium cationic surfactant, an alkoxylated fatty alcohol and a fatty acid. Full Article
it Liquid cleaning compositions By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A cleaning composition according to one embodiment includes a surfactant system comprising nonionic surfactant in combination with an anionic surfactant; water present in an amount from 0 to about 40 wt % based on a total weight of the cleaning composition; a solvent system comprising a polyalcohol, the solvent system being present in an amount effective to solubilize the surfactant system in the water; and an enzyme present in an amount of less than about 15 wt %; wherein the cleaning composition is in a form of a continuous phase, wherein the cleaning composition is characterized as exhibiting about a constant cleaning efficacy as measured using test procedure ASTM D4265 when the cleaning composition is added to 69 liters of exterior water in amounts ranging from about 9 to about 22 grams of cleaning composition. Methods for pretreating and cleaning laundry and nontextile surfaces are also presented. Full Article
it Modified cellulose fibers and cellulose composite thereof By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT An object of the invention is to provide cellulose fibers which can give a cellulose composite that renders high transparency, a reduction in linear expansion coefficient, and a high modulus of elasticity possible. The invention relates to: a process for producing modified cellulose fibers which includes a modification reaction step of reacting cellulose with an aromatic compound in an organic acid to thereby modify the cellulose with an aromatic-ring-containing substituent; cellulose fibers modified with aromatic-ring-containing substituent; a dispersion of the cellulose fibers; and a cellulose fiber composite obtained from the same. Full Article
it Functional additives for cleansing compositions By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT Functional additives for cleansing compositions exhibiting enhanced anti soil-re-deposition and/or dye transfer inhibitory properties comprising polymers in the form of homopolymers, copolymers or terpolymers synthesized from at least one hydrophobic monomer. Examples of hydrophobic monomers include N-vinyl caprolactam, vinyl acetate, vinyl esters, acrylated glycols, methacrylamide, C1 to C12 alkyl- and C1 to C12 dialkylacrylamide, C1 to C12 alkyl- and C1 to C12 dialkylmethacrylamide, C1 to C12 alkyl aery late, C1 to C12 alkyl methacrylate, 4-butyl phenyl maleimide, octyl acrylamide. Full Article
it Mitigation of radiation induced attenuation By www.freepatentsonline.com Published On :: Tue, 07 Apr 2015 08:00:00 EDT A DTS system resistant to radiation induced attenuation losses during the service life of an installation at both low and high temperatures using matched multi-wavelength distributed temperature sensing automatic calibration technology in combination with designed Pure Silica Core (PSC) optical fibers and an in process photo bleaching method provided by the light sources of the distributed temperature sensing system. Full Article
it Appliances with sudsing-reducing flushable detergent dispensers By www.freepatentsonline.com Published On :: Tue, 14 Apr 2015 08:00:00 EDT Appliances having a detergent dispenser that may be flushed with a water flow for removal of residual treating chemistry while reducing sudsing are disclosed. An example dispenser includes a cup with a bottom wall, a siphon tube projecting upwardly from the bottom wall, a cover for the siphon tube, an opening configured to introduce a liquid stream into the cup from a position above and beyond a periphery of the cover, wherein substantially all of the liquid stream flows downwardly along a trajectory defined by the opening and terminating below and within the periphery of the cover, and wherein the liquid stream directly impinges a portion of at least one of the cup or the siphon tube below the cover. Full Article
it Process for lightening keratin materials using an emulsion comprising an alkaline agent and an oxidizing composition By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT The present disclosure therefore relates to a method for lightening keratin materials, in which the following are used: (a) a direct emulsion (A) comprising at least one fatty substance in an amount greater than 25% by weight, such as greater than 50%, at least one surfactant; at least one alkaline agent and an amount of water greater than 5% by weight, of the total weight of the emulsion, (b) a composition (B) comprising at least one oxidizing agent. It also relates to a multi-compartment device comprising, in one compartment, an emulsion (A), in another compartment a composition (B) comprising at least one oxidizing agent. Full Article
it Photoresist composition and method of forming a black matrix using the same By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT A photoresist composition includes a binder resin combined with a black dye, a monomer, a photo-polymerization initiator and a remainder of a solvent. Full Article
it Optical brighteners and compositions comprising the same By www.freepatentsonline.com Published On :: Tue, 28 Apr 2015 08:00:00 EDT Novel compounds based on distyryl-biphenyl are provided. The compounds conform to the general structure The compounds are useful as optical brighteners. Compositions, such as laundry care compositions, containing such compounds are also provided. Full Article
it Bluing composition and method for treating textile articles using the same By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT A bluing composition concentrate comprises an aqueous medium and at least one colorant that exhibits a blue or violet shade when deposited onto a textile material. The concentrate can be used to produce a bluing composition, and the bluing composition can be used to treat textile materials in such a way as to decrease the visually-perceived yellow coloration of textile articles that can occur with repeated use and laundering. Full Article
it Dye composition using a 2-hydroxynaphthalene, (acylamino)phenol or quinoline coupler in a fatty-substance-rich medium, dyeing process and device therefor By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT The present invention relates to a cosmetic composition for dyeing keratin fibers, in particular human keratin fibers such as the hair, comprising: a) one or more fatty substances; b) one or more surfactants; c) one or more oxidation bases; d) one or more couplers based on 2-hydroxynaphthalene derivatives or particular phenol derivatives, acylaminophenol derivatives or quinoline derivatives; f) one or more basifying agents; e) optionally one or more chemical oxidizing agents; and the fatty substance content representing in total at least 25% by weight relative to the total weight of the formulation. The present invention also relates to a process using this composition, and to a multi-compartment device that is suitable for performing the said process. Full Article
it Foam-type hair dye composition for improving hair softness without dripping By www.freepatentsonline.com Published On :: Tue, 12 May 2015 08:00:00 EDT The present invention relates to a hair dye composition, and more particularly, to a foam-type hair dye composition comprising: a first agent including a dye and an alkaline agent and a second agent including an oxidant; and a nonionic viscosity increasing agent of a PEG-aliphatic acid ester or a PPG-aliphatic acid ester in one or both of the first agent and the second agent, thereby largely improving dyeing properties without dripping after the composition is coated on hair. Full Article
it Foam dyeing agent for keratinous fibers with improved color uptake By www.freepatentsonline.com Published On :: Tue, 19 May 2015 08:00:00 EDT The present application provides preparations for changing the color of keratinic fibers, containing in a cosmetically acceptable carrier, at least one color-changing agent, at least one soap, at least one non-ionic surfactant of formula (I), in which R1 denotes an alkyl or alkenyl residue having 5 to 21 carbon atoms, R2 denotes a C2-C4 monohydroxyalkyl residue, and R3 denotes hydrogen, a C1-C4 alkyl residue or a C2-C4 monohydroxyalkyl residue, and at least one propellant wherein the preparation is in the form of a foam, and a proportion of gas in the foam is at least 50% by volume. Full Article
it CHARGE PUMP CIRCUIT AND STEP-DOWN REGULATOR CIRCUIT By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A charge pump circuit includes a capacitor, a first switch between the capacitor and a power supply terminal, a second switch between the capacitor and an output terminal, a third switch between the output terminal and the capacitor, a fourth switch between the capacitor and a ground terminal, and a control unit configured to generate control signals for the switches. The control signals include first signals generated during a first period that cause first and third switches to be in an ON state and second and fourth switches to be in an OFF state, second signals generated during a second period that cause first and third switches to be in an OFF state and second and fourth switches to be in an ON state, and third signals generated between the first and second periods, that cause the ON/OFF state of each of the switches to be switched at different times. Full Article
it INTERNAL POWER SUPPLY CIRCUIT AND SEMICONDUCTOR DEVICE By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A control switch is connected to a power supply voltage and turns on based on a control signal to output a current. A clamp circuit is connected to a load and performs clamp control of the output voltage of the control switch. A current control element conducts or shuts off a current based on the output voltage to be clamp-controlled. A selector switch group includes switches, and performs switching based on a voltage varying with the current control by the current control element, thereby switching between paths for generating an internal power supply. The switch circuit connects or disconnects the coupling between the clamp circuit and the selector switch group. Full Article
it Active Filter Device and Circuit Arrangement Comprising an Active Filter Device By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT An active filter device and a circuit arrangement comprising an active filter device are disclosed. In an embodiment the active filter device includes sensor terminals for applying a sensor signal depending on a sensed noise signal, an output terminal for providing a correction signal that is suitable for reducing the noise signal, a signal source adapted for generating a correction signal and a high-pass filter coupled between the sensor terminals and the signal source, wherein the correction signal is generated with a dependence on a high-pass filtered sensor signal. Full Article
it SR LATCH CIRCUIT WITH SINGLE GATE DELAY By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT An SR latch circuit with single gate delay is provided. The circuit has an an enable input and an SR latch. There is first input stage having an input for receiving a set input and having an output for producing a first component of the SR latch circuit output, the first input stage having only one transistor that receives the enable input, the first input stage becoming transparent while enabled, the first input stage having a single gate delay between the input of the first input stage and the output of the first input stage. There is a second input stage having an input for receiving a reset input and having an output for producing a second component of the SR latch circuit output, the second input stage having only one transistor that receives the enable input, the second input stage becoming transparent while enabled, the second input stage having a single gate delay between the input of the second input stage and the output of the second input stage. Full Article
it SEMICONDUCTOR DEVICE AND CIRCUIT PROTECTING METHOD By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A semiconductor device includes a first transistor and a clamping circuit. The first transistor is arranged to generate an output signal according to a control signal. The clamping circuit is arranged to generate the control signal according to an input signal, and to clamp the control signal to a predetermined signal level when the input signal exceeds the predetermined signal level. Full Article
it SYSTEM AND METHOD FOR A REDUCED HARMONIC CONTENT TRANSMITTER FOR WIRELESS COMMUNICATION By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A system includes a voltage-controlled oscillator (VCO) to generate an output signal based on an input voltage and a multi-stage delay network to receive the output signal from the VCO. Each stage of the delay network produces a phase-shifted output signal. The system includes a multi-stage digital-to-analog converter (DAC) network, where each stage of the DAC network is associated with a corresponding stage of the delay network. Each stage of the DAC network receives the phase-shifted output signal from its corresponding stage of the delay network and generates a weighted output signal based on the received phase-shifted output signal. The DAC network combines the weighted output signal of each stage. A weighting factor for each stage of the DAC network is selected to reduce harmonic content of the combination of weighted output signals. Full Article
it Delay Control Circuit By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT The present disclosure relates to a delay control circuit arranged for adding delay to a signal. The delay control circuit includes a driver circuit arranged to receive a first signal and to output a second signal. The driver circuit includes a variable load arranged for outputting the second signal by adding delay to the first signal. The delay control circuit also includes a control circuit arranged to receive the first signal and to control the variable load of the driver circuit based on a current state of the first signal and on a control signal indicative of an amount of delay to be added to the first signal in the current state. Full Article
it PHASE DETECTION CIRCUIT By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A phase detection circuit includes a sampling signal generation circuit configured to generate a plurality of sampling signals in response to a plurality of phase change clocks having different phases and data; a charging voltage generation circuit configured to compare the plurality of sampling signals, and change a voltage level of one charging voltage between a first charging voltage and a second charging voltage; and a comparison circuit configured to compare voltage levels of the first and second charging voltages, and generate a result signal. Full Article
it Load-Driving Circuit By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A load-driving circuit for receiving a supply of power from a power source and driving a load, wherein the load-driving circuit is provided with: a high-side switching element; a low-side switching element; a high-side current detection circuit connected in parallel to the high-side switching element, the high-side current detection circuit detecting a high-side driving current; and a fault detection circuit for detecting the fault state of the load-driving circuit from the output result of the high-side current detection circuit. The high-side current detection circuit is provided with a high-side sense switching circuit operating in response to a gate signal that is different from the high-side switching element, the high-side sense switching circuit comprising a device of the same type as the high-side switching element. The output result of the high-side current detection circuit, the gate signal of the high-side switching element, and the gate signal of the high-side sense switching element are input and the fault states are detected apart from each other when the connection terminal between the load-driving circuit and the load is in a state of short circuit with the positive electrode side of the power source or in a state of short circuit with the negative electrode side of the power source. Full Article
it TRACK AND HOLD CIRCUIT By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A track and hold circuit comprises an input buffer amplifier, a unit gain amplifier module, a sampling switch, a drive triode and a sampling capacitor. The input buffer amplifier receives an input signal. In a track phase, the sampling switch is electrically connected to an emitter electrode of the drive triode; the input signal charges the sampling capacitor after being buffered by the input buffer amplifier, amplified without distortion by the unit gain amplifier module and driven by the drive triode. In a hold phase, the sampling switch is electrically connected to a base electrode of the drive triode; the base voltage of the drive triode is pulled down until the drive triode is cut off; electrical charges on the sampling capacitor are thereby held, causing the signal to be held on the sampling capacitor. Full Article
it Voltage-Resistant Switch By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A voltage-resistant switch is described. The switch comprises a signal input, a first FET transistor with a first channel with an extended drain and a first gate connector and a second FET transistor with a first channel with an extended drain and a second gate connector. A control signal connector is connected with the first gate connector and with the second gate connector via a second node and with the first channel and the second channel via a second resistor, and a signal connector is connected with the second channel. The voltage-resistant switch can be switched on and off. Full Article
it TRANSMISSION CIRCUIT WITH LEAKAGE PREVENTION CIRCUIT By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A transmission circuit includes: a first transistor, a first current source, a third transistor. The first transistor has a source terminal coupled to a first reference voltage terminal of the transmission circuit and a drain terminal coupled to a first output terminal of the transmission circuit. The first current source is coupled between a gate terminal of the first transistor and a second reference voltage terminal of the transmission circuit. The third transistor has a drain terminal coupled to the first output terminal of the transmission circuit, a source terminal coupled to the second reference voltage terminal of the transmission circuit, and a gate terminal for receiving a first input signal. The first transistor is of a first conducting type, and the second transistor is of a second conducting type different from the first conducting type. Full Article
it ELECTRONIC SWITCH, AND CORRESPONDING DEVICE AND METHOD By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A high-voltage electronic switch includes first and second transistors defining a current flow path between an input and output of the switch. The transistors have a common point of the current flow path and a common control terminal. A control circuit includes a voltage line receiving a limit operating voltage and first and second branches coupled between the voltage line and the common point and common control terminal, respectively. Further transistors are activated, upon turning-off of the first and second transistors, for coupling the branches to the voltage line. The branches include a parallel connected resistor, diode, and string of diodes with opposite polarities. The diode of the first branch plus string of diodes of the second branch and diode of the second branch plus string of diodes of the first branch provide coupling paths between the voltage line and, respectively, the common point and common control terminal. Full Article
it Power Switch Drivers with Equalizers for Paralleled Switches By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT Capacitors connected between gate terminals of a plurality of parallel-connected power transistors are charged and discharged in each switching cycle to provide a plurality of power transistor control waveforms from a single gate driver waveform that equalize power losses/temperatures or steady-state currents among the plurality of power transistors. The capacitors are charged to different voltages by diverting current from one transistor driver by disabling another power transistor driver at different respective times in response to measured transient or steady state current or temperature or other operational parameter. Full Article
it SEMICONDUCTOR INTEGRATED CIRCUIT AND HIGH FREQUENCY ANTENNA SWITCH By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT An integrated circuit includes a drive circuit with a first inverter circuit with a first transistor of a first conductivity type and a second transistor of a second conductivity type. The drains of the first and second transistors are connected. An output circuit is provided having a third transistor of the second conductivity with a gate connected to the drains of the first and second transistors. A capacitor is connected between the gate and a drain of the third transistor and has a capacitance greater than 0.5 pF and less than or equal to 3.0 pF. A gate width of the first transistor when divided by a gate width of the third transistor has a value of less than 1/100. The output circuit is configured to output a transmission signal from the drain of the third transistor. Full Article
it SIGNAL TRANSFER CIRCUIT AND CIRCUIT FOR GENERATING HIT SIGNAL INCLUDING THE SAME By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A signal transfer circuit may include a pass gate coupled between first and second nodes; and a control unit suitable for controlling the pass gate to prevent a current flowing from the second node to the first node during turn-on of the pass gate. Full Article
it Sampling circuit and sampling method By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A sampling circuit for sampling an input voltage and generating an output voltage, comprising six switches, a capacitor and a voltage buffer. The first switch has a control terminal and makes the output voltage equal to the input voltage when switching on. The second switch is coupled to a first terminal of the capacitor and a first level. The third switch is coupled to a second terminal of the capacitor and a second level. The fourth switch is coupled to the first terminal of the capacitor and the control terminal. The fifth switch is coupled to the control terminal and the second level. The voltage buffer has large input impedance, and has an input receiving the input voltage, an output providing a voltage equal or close to the input voltage. The sixth switch is coupled to the second terminal of the capacitor and the output of the voltage buffer. Full Article
it TRANSMITTER By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A transmitter includes: a main pull-up driver suitable for pull-up driving an output node; and an auxiliary pull-up driver suitable for pull-up driving the output node based on a voltage of the output node, wherein the auxiliary pull-up driver compensates for non-linear driving current characteristics of the main pull-up driver. Full Article
it DUTY CYCLE CORRECTION CIRCUIT AND DUTY CYCLE CORRECTION METHOD By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A duty cycle correction circuit may include: a phase mixing section capable of mixing a first integrated signal generated by integrating a positive clock signal, with a first compensation signal generated by differentiating and integrating the positive clock signal and a negative clock signal, respectively, to generate a first phase-mixed signal, and mixing a second integrated signal generated by integrating the negative clock signal, with a second compensation signal generated by integrating and differentiating the positive clock signal and the negative clock signal, respectively, to generate a second phase-mixed signal; and a noise removal section capable of receiving and removing a common mode noise between the first phase-mixed signal and the second phase-mixed signal by adjusting a cross-point therebetween, and outputting first and second duty-corrected clock signals. Full Article