tor CONNECTORS WITH SWITCHABLE TERMINAL LOADS By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT Switchable grounded terminal loads are built into, or otherwise coupled to, connectors on motherboards and control devices. The terminal loads are coupled to the bus termination at the connector when the connector is “stuffed” (connected to a mating connector). The switchable grounded terminal loads replace dummy connectors in preventing empty “unstuffed” connectors from increasing error risks on active channels. Full Article
tor COMMUNICATIONS CABLE WITH STATUS INDICATOR FOR ELECTRONIC DEVICES By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT An electronic device system can include an electronic device. The electronic device can include a receptacle, and a device logic driving status unit configured to generate a status signal indicating activity of the electronic device, and a communications cable. The communications cable can include a first plug configured to connect to the receptacle and receive the status signal, wherein the first plug includes a status indicator configured to indicate activity of the electronic device based on the status signal. Full Article
tor CONNECTOR AND CONTACT By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A connector includes a housing attached to a board; a ground terminal including a ground base disposed in the housing, and a first ground connection part extending from the ground base toward a first end of the housing and to be connected to a ground line of a coaxial cable; and a signal terminal including a signal base that is held in the housing and surrounded by the ground base while being insulated from the ground base, and a first signal connection part extending from the signal base toward the first end of the housing and to be connected to a signal line of the coaxial cable. The ground terminal and the signal terminal are configured to elastically bend at a second end of the housing when the housing is attached to the board. Full Article
tor CARD EDGE CONNECTOR By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A card edge connector includes an insultive housing, a plurality of conductive terminals retained in the insultive housing and a metal frame retained in the insultive housing. The insultive housing defines two sidewalls extending along a longitudinal direction and two endwalls connected to the longitudinal ends of the sidewalls. The metal frame is integrally formed in the insulative housing and defines an elongated flat portion and a pair of fixing portions extending downwardly from both longitudinal ends of the flat portion, the flat portion is embedded into an upper portion of the insulative housing. Full Article
tor Method for fabricating semiconductor device By www.freepatentsonline.com Published On :: Tue, 31 Mar 2015 08:00:00 EDT A method for fabricating a semiconductor device includes (a) depositing an insulating film on a semiconductor substrate; (b) forming a recess in the insulating film; (c) depositing a conductive film on the insulating film while filling the recess with the conductive film; and (d) polishing the conductive film. Step (d) includes a first polishing substep of using a first polisher pad conditioned with a first dresser and a second polishing substep of using a second polisher pad conditioned with a second dresser different from the first dresser. Full Article
tor HYBRID MAGNETIC-RADAR DETECTOR FOR SPACE MANAGEMENT By www.freepatentsonline.com Published On :: Thu, 15 Jun 2017 08:00:00 EDT Methods and systems for detection of an occupancy status of a space monitored by a system (100) are described herein. The method comprises detecting a magnetic field value at the space by a magnetic field sensor (210) of a sensing device (104). The detected magnetic field value with a reference magnetic field value, to determine a magnetic occupancy status (MOS) of the space. The MOS is indicative of the change in the occupancy status of the space. The change in the occupancy status is indicative of one of a change from empty to occupied occupancy status, and a change from occupied to empty occupancy status. Further, when the MOS indicates the change in the occupancy status of the space, a radar sensor (212) of the sensing device (104) is activated to determine a radar occupancy status (ROS) by generating at least one radar reading from the radar sensor (212). The ROS is indicative of the change in the occupancy status of the space. Thereafter, the change in the occupancy status of the space is established when the ROS indicating the change in the occupancy status of the space is in agreement with the MOS. Further, the established change of the occupancy status in the space is communicated to a central unit (102) of the system (100). Full Article
tor FREQUENCY MODULATED CONTINUOUS WAVE RADIO ALTIMETER SPECTRAL MONITORING By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT In one embodiment, a radio altimeter tracking filter is provided. The filter comprises: a wireless radio interface; a processor coupled to the wireless radio interface; a memory coupled to the wireless radio interface; wherein the wireless radio interface is configured to wirelessly receive a radio altimeter signal and convert the radio altimeter signal to a baseband frequency signal, wherein the a radio altimeter signal sweeps across a first frequency spectrum between a first frequency and a second frequency; wherein the processor is configured to pass the baseband frequency signal through a filter executed by the processor, the filter comprising a passband having a first bandwidth, and wherein the filter outputs a plurality of spectral chirps in response to the baseband frequency signal passing through the first bandwidth; wherein the processor is configured to process the plurality of spectral chirps to output characteristic parameters that characterize the radio altimeter signal. Full Article
tor ROBUST DUAL-RADAR-BEAM SYSTEMS AND METHODS FOR TRAFFIC MONITORING By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A first method includes receiving a first reflected radar signal from a target in a first field of view and receiving a second reflected radar signal from a target in a second field of view offset from the first field of view by a predetermined distance; transforming the first and second reflected radar signals to obtain first and second sets of frequency coefficients, from which a frequency-dependent phase difference is obtained; and calculating a time-delay from the slope of the frequency dependence. A second method includes obtaining summed difference values between the first and second radar responses, where each of the summed difference values corresponds to different time shifts between the first and second radar response, and deriving from the summed difference values a time-delay associated with the target's motion from the first field of view to the second field of view. A third method combines the time-delays or associated speeds obtained from independent estimators. Full Article
tor MOTORCYCLE BLIND SPOT DETECTION SYSTEM AND REAR COLLISION ALERT USING MECHANICALLY ALIGNED RADAR By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A blind spot detection system for a motorcycle, which includes an accelerometer, a gyroscope, and a detection device for detecting the presence of a vehicle in at least one blind spot. The accelerometer detects a gravity force vector, and the gyroscope detects the position of the motorcycle relative to the gravity force vector such that a lean angle of the motorcycle is calculated. The detection device is then configured to maintain the same position of the motorcycle relative to the gravity force vector and compensate for the position of the motorcycle if the lean angle is greater or less than 90°, such that the detection device is able to detect the presence of the vehicle in the at least one blind spot, independent of the lean angle of the motorcycle. Full Article
tor Magnetic Field Detector and Ground-Penetrating Radar Device with Merged Display By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT In an embodiment of the disclosed technology, a visual output of data from a ground-penetrating radar and magnetic field measuring device is displayed on a visual medium. The display has a first exhibition of output from the ground-penetrating radar device and a second from a magnetic field measuring device, such as a very low frequency (VLF) receiver. Using an identical axis, such as an X-axis measuring time or distance, output of each device is exhibited and overlaid over one another. In this manner, one can detect (using two different methodologies and uses) the visual exhibition of both to best determine the location of a metal or electrical target. Full Article
tor AIRFLOW DEFLECTOR FOR RADIAL FAN OF AIR SEEDER By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A pneumatic system of an agricultural implement includes a radial fan coupled with a plenum. The plenum contains outlets which distribute the airflow into a plurality of product distribution lines for application to a field. An airflow deflector plate has a back face fixed on a sidewall of a region interconnecting the fan outlet and plenum inlet to modify the airflow pattern and obtain an airflow that is at a uniform pressure and flow rate for each product distribution line. The deflector plate is tapered with a narrow edge pointed upstream and includes front face having at least one generally rectangular groove with a bottom surface extending generally parallel to the deflector back face. Full Article
tor VALVE FOR LIQUID RESERVOIR OF FOG GENERATOR By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT The current invention provides for a fog generator. More specifically, it provides for a housing comprising a fog generating liquid and a valve that, in a closed position, prevents the fog generating liquid from flowing out of the housing, in which the said valve is kept in a closed position by means of a fuse wire (6). Full Article
tor CONTACTING TYPE INFILTRATION GROOVE FOR PHOTORESIST COATING EQUIPMENT By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT The present invention provides a contacting type infiltration groove for photoresist coating equipment, comprises a loading main body and a sprinkler head. A spray nozzle is provided at the end of the sprinkler head, wherein, a limiting component is additional clamped at the end of the sprinkler head to make only the spray nozzle of the sprinkler head dip into the solvent in the loading main body. The sprinkler head can be hold up by the limiting component to separate the non-spray nozzle from the solvent so as to avoid the solvent contacting on the surface of the non-spray nozzle part. The contacting surface of the sprinkler head is setting on the top of the spray nozzle to make them adhere seamlessly together. Full Article
tor EJECTOR DEVICES, METHODS, DRIVERS, AND CIRCUITS THEREFOR By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT In a piezoelectric ejector assembly, a piezoelectric actuator is attached to an ejector mechanism, while a drive signal generator and a controller are coupled to the actuator. The drive signal generator is configured to generate a drive signal for driving the actuator to oscillate the ejector assembly. The controller is configured to control the drive signal generator to drive the actuator at a resonant frequency of the ejector assembly, and an auto-tuning circuit is provided to define the optimum drive signal frequency. Full Article
tor FUEL INJECTOR FOR FUEL SPRAY NOZZLE By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A fuel injector for a fuel spray nozzle of a gas turbine engine combustor includes an angular lip axially projecting into an upstream section of an annular passage to guide a fuel layer vortex to flow along a radially outer passage wall of the annular passage and to guide an air layer vortex to fill into and pass through an annular space between the fuel layer vortex and a radially-inner passage wall of the annular passage. The air layer vortex is free of mixing with the fuel layer vortex before the fuel layer vortex is discharged from the annular passage for fuel atomization. Full Article
tor Method of enhancing thermal conductivity in hydrogen storage systems By www.freepatentsonline.com Published On :: Tue, 11 Nov 2014 08:00:00 EST A method of forming a material for reversible hydrogen storage within a storage tank includes charging a mixture of a metal amide and a metal hydride to the storage tank, and chemically reacting the mixture at a reaction condition within the storage tank to form a thermally conducting composite material situated in the storage tank and for reversibly storing hydrogen. The composite material includes a three-dimensional and interconnected framework including a conductive metal. A method for reversibly storing hydrogen includes providing a storage tank and in situ chemically forming a composite material by charging a mixture of a metal amide and a metal hydride to the storage tank and chemically reacting the mixture at a reaction condition to form a thermally conducting composite material including a metal hydride and a substantially unreactive elemental metal framework. Hydrogen is absorbed into the composite material and is desorbed from the composite material. Full Article
tor Combined on-board hydride slurry storage and reactor system and process for hydrogen-powered vehicles and devices By www.freepatentsonline.com Published On :: Tue, 18 Nov 2014 08:00:00 EST An on-board hydride storage system and process are described. The system includes a slurry storage system that includes a slurry reactor and a variable concentration slurry. In one preferred configuration, the storage system stores a slurry containing a hydride storage material in a carrier fluid at a first concentration of hydride solids. The slurry reactor receives the slurry containing a second concentration of the hydride storage material and releases hydrogen as a fuel to hydrogen-power devices and vehicles. Full Article
tor Method and device for controlling effective heat transfer in a solid gas storage system By www.freepatentsonline.com Published On :: Tue, 13 Jan 2015 08:00:00 EST A method for controlling the effective heat transfer from a storage unit (1). During gas release from storage material (3) in the storage unit the storage material is heated by a heater (2). During re-saturation of the storage material (3) with gas the heater is off. Controlling of the effective heat transfer from the storage unit (1) is performed, during gas release, by ceasing convection of a convection gas and, during re-saturation, by performing or enabling convection of a convection gas to cool the storage unit (1). Full Article
tor Hydrogen storage tank By www.freepatentsonline.com Published On :: Tue, 27 Jan 2015 08:00:00 EST The tank is of the type including a container (4) for housing hydrogen, and metallic hydride placed inside the container. According to one aspect of the invention, it includes at least one solid body (6) formed of a compacted material including metallic hydride and a matrix. Application in particular for tanks for internal combustion engines or for fuel cells, in particular for motor vehicles, as well as for any stationary or mobile application using hydrogen. Full Article
tor Hydrogen storage tank having metal hydrides By www.freepatentsonline.com Published On :: Tue, 24 Mar 2015 08:00:00 EDT A hydrogen storage tank by absorption into a hydrogen storage material, the tank having a longitudinal axis and including an enclosure and an inner structure provided within the enclosure. The inner structure includes a plurality of stages and a heat exchange system within the inner structure, each stage including a plurality of compartments distributed into a plurality of rows directed along the longitudinal direction, each compartment having a semi-cylindrical shape, and each compartment containing a hydrogen storage material, wherein the material has been introduced through the opening. Full Article
tor PROPYLENE HOMOPOLYMER COMPOSITION FOR CAPACITOR FILM, METHOD FOR PRODUCING THE SAME, AND CAPACITOR FILM By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT Provided are a propylene homopolymer composition for a capacitor film, which can provide a film with excellent high-temperature voltage resistance and excellent thin-film stretchability, a method for producing the same, and a capacitor film. The propylene homopolymer composition for a capacitor film contains 50 to 99% by mass of a propylene homopolymer (A1) having predetermined characteristics and 1 to 50% by mass of a propylene homopolymer (B1) having predetermined characteristics, and has (i) a melt flow rate (MFR) of 1.0 to 10.0 g/10 min and (ii) a chlorine content of 2 ppm by mass or less. Full Article
tor DART GAME APPARATUS HAVING PLURALITY OF CAMERAS AND COMPUTER PROGRAM STORED IN COMPUTER-READABLE MEDIUM By www.freepatentsonline.com Published On :: Thu, 15 Jun 2017 08:00:00 EDT Disclosed is a dart game apparatus according to an embodiment of the present invention in order to implement the aforementioned object. The dart game apparatus includes: a dart target having a plurality of score areas; a sensing module configured to sense an electrical signal changed as a dart pin hits the dart target; a controller configured to control an overall operation of the dart game apparatus; and a camera module configured to include a plurality of camera units, wherein the camera module includes a first camera unit configured to photograph a throw line which is a location where a player throws a dart and a whole body of the player, a second camera unit configured to photograph at least a part of a body for identifying the player, a third camera unit configured to photograph the entirety of the dart target, and a fourth camera unit configured to photograph at least a partial area in an area formed between the throw line and the dart game apparatus in order to photograph a blind zone which is not photographed by the first camera unit, the second camera unit, and the third camera unit. Full Article
tor HEAT STORING SYSTEM By www.freepatentsonline.com Published On :: Thu, 15 Jun 2017 08:00:00 EDT A heat storing system includes: a heat source that emits heat to a first thermal medium; and a heat storing unit. The heat storing unit includes a heat storing body container housing a heat storing body, and a thermal medium container housing a liquid phase thermal medium. The heat storing body stores or emits heat in accordance with phase change of the heat storing body. The heat storing unit is configured to conduct a cold heat emission mode in which the liquid phase thermal medium and a cooling medium exchange heat in the thermal medium container to evaporate the thermal medium such that cold heat is emitted to the cooling medium. Full Article
tor MOTOR INTERFACE ASSEMBLY AND A METHOD OF USING THE SAME By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A motor interface assembly configured to be operably coupled to a blower assembly, wherein the motor interface assembly is configured to measure a discharge air temperature, determine a difference between the discharge air temperature and a predetermined temperature, and operate the blower assembly based in part on the difference between the discharge air temperature and a predetermined temperature. Full Article
tor RACK AIRFLOW MONITORING SYSTEM AND METHOD By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A rack airflow monitoring system is configured to measure airflow through an equipment rack having a housing and a perforated front door to enable air to flow into an interior of the housing. The system includes a control module, and a plurality of airflow sensors secured to the front door of the equipment rack and coupled to the control module. Each airflow sensor is configured to detect a parameter used to measure airflow and communicate detected parameters to the control module. The control module is configured to obtain temperature, airflow velocity, and airflow directionality from the plurality of airflow sensors at the front door of the equipment rack. Full Article
tor HIGH RESOLUTION TIME-TO-DIGITAL CONVERTOR By www.freepatentsonline.com Published On :: Thu, 25 May 2017 08:00:00 EDT A circuit includes a time delta detector configured to receive an input clock signal and a reference clock signal and generate a delta pulse signal and a reference pulse signal. A comparison circuit is configured to receive the delta pulse signal and the reference pulse signal. The comparison circuit generates an output indicative of a bit of a time difference between the input clock signal and the reference clock signal. A control circuit is configured to receive the output from the comparison circuit. The control circuit maintains a count of the time difference between the input clock signal and the reference clock signal. Full Article
tor PULSE WIDTH MODULATOR AND NON-TRANSITORY COMPUTER READABLE MEDIUM FOR STORING PROGRAM FOR PULSE WIDTH MODULATOR By www.freepatentsonline.com Published On :: Thu, 25 May 2017 08:00:00 EDT The pulse width modulator includes a subtraction unit configured to perform subtraction between an m value digital signal and a pulse width modulation signal; a feedforward filter unit configured such that a ΔΣ modulator to which an output signal of the subtraction unit is input and which includes integrators of a second order or higher is in cascade connection, and configured to operate with a sampling frequency FS; a product-sum computing unit configured to operate with a sampling frequency (FS/n) (n: an integer of two or more) to perform product-sum computing of an output signal of each integrator of the feedforward filter unit; and a pulse width modulation unit configured to operate with the sampling frequency (FS/n) to perform pulse width modulation of an output signal of the product-sum computing unit to output a pulse width modulation signal. Full Article
tor SPLIT GAIN SHAPE VECTOR CODING By www.freepatentsonline.com Published On :: Thu, 25 May 2017 08:00:00 EDT The invention relates to an encoder and a decoder and methods therein for supporting split gain shape vector encoding and decoding. The method performed by an encoder, where the encoding of each vector segment is subjected to a constraint related to a maximum number of bits, BMAX, allowed for encoding a vector segment. The method comprises, determining an initial number, Np—init, of segments for a target vector x; and further determining an average number of bits per segment, BAVG, based on a vector bit budget and Np—init. The method further comprises determining a final number of segments to be used, for the vector x, in the gain shape vector encoding, based on energies of the Np—init segments and a difference between BMAX and BAVG. The performing of the method enables an efficient allocation of the bits of the bit budget over the target vector. Full Article
tor SEMICONDUCTOR DEVICE, POWER SUPPLY DEVICE AND CONTROL METHOD FOR SEMICONDUCTOR DEVICE By www.freepatentsonline.com Published On :: Thu, 08 Jun 2017 08:00:00 EDT A semiconductor device configured to perform an A/D conversion of a wide range of signals is provided. A semiconductor device includes: an input voltage detection unit configured to detect an analog input voltage; a reference voltage setting unit configured to set a reference voltage based on the detected input voltage; an amplifier configured to amplify a difference between the input voltage and the reference voltage; an ADC configured to perform an A/D conversion of an amplified signal; and an arithmetic processing unit configured to calculate a digital voltage corresponding to the input voltage based on a result of the A/D conversion and the reference voltage. Full Article
tor PROTECTION CIRCUITS FOR TUNABLE RESISTOR AT CONTINUOUS-TIME ADC INPUT By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT Continuous-time analog-to-digital converters (ADCs) such as continuous-time delta-sigma ADCs and continuous-time pipeline ADCs, has input resistor structure at the input. The input resistor structure is typically tunable, and the tunability is usually provided by metal-oxide semiconductor field effect transistor (MOSFET) switches. Core MOSFETs, which has a terminal-to-terminal voltage Full Article
tor Semiconductor Device By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A semiconductor device having an analog/digital conversion circuit converting an analog signal to a digital signal, includes a holding circuit outputting an analog signal having a value according to a value of an analog signal supplied in a first period; and a prediction circuit generating a first digital signal based on bit position information from a prediction table corresponding to the supplied analog signal. Full Article
tor System of systems for monitoring greenhouse gas fluxes By www.freepatentsonline.com Published On :: Tue, 26 Nov 2013 08:00:00 EST A system of systems to monitor data for carbon flux, for example, at scales capable of managing regional net carbon flux and pricing carbon financial instruments is disclosed. The system of systems can monitor carbon flux in forests, soils, agricultural areas, body of waters, flue gases, and the like. The system includes a means to identify and quantify sources of carbon based on simultaneous measurement of isotopologues of carbon dioxide, for example, industrial, agricultural or natural sources, offering integration of same in time and space. Carbon standards are employed at multiple scales to ensure harmonization of data and carbon financial instruments. Full Article
tor STATOR AND A MOTOR By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT The invention relates to a stator for an electro-mechanical wave motor and an electro-mechanical wave motor including such stator. The stator includes a plurality of actuators positioned along a closed travelling path on at least a first side of the substrate. The plurality of actuators is configured to generate a travelling wave along the closed travelling path. The substrate has an outer periphery structure and an inner periphery structure and a plurality of rigid outer bridge structures and at least one rigid inner bridge structure. Each of the rigid outer bridge structures extends from the outer periphery structure and outwards and is connected to or adapted to be connected to an outer stabilization member and the at least one rigid inner bridge structure extends from the inner periphery structure and inwards and is connected to or is adapted to be connected to an inner stabilization member. Full Article
tor ACOUSTIC RESONATOR AND METHOD OF MANUFACTURING THE SAME By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT An acoustic resonator and a method of manufacturing the same are provided. An acoustic resonator includes a resonating part disposed on a substrate, a cap accommodating the resonating part and bonded to the substrate, and a bonded part bonding the cap and the substrate to each other, the bonding part including at least one block disposed between a bonding surface of the cap and a bonding surface of the substrate to block a leakage of a bonding material that forms the bonded part during a bonding operation. Full Article
tor RESONATOR AND RESONATING DEVICE By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A resonator is provided that suppresses vibration of a retainer caused by undesired vibration of a vibrating portion and also achieves size reduction. Specifically, the resonator includes a vibrating member that includes a semiconductor layer, a first piezoelectric film formed on the semiconductor layer, and a first upper electrode formed on the first piezoelectric film. Moreover, a retainer is provided to retain the vibrating member such that the vibrating portion can vibrate and one or more coupling members are provided to couple the vibrating member to the retainer. Finally, the resonator includes a vibration suppressing member that includes a second piezoelectric film formed on the retainer and a second upper electrode formed on the second piezoelectric film. Full Article
tor ACOUSTIC RESONATOR AND METHOD OF MANUFACTURING THE SAME By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT An acoustic resonator and a method of manufacturing the same are provided. The acoustic resonator includes a resonating part including a first electrode, a second electrode, and a piezoelectric layer; and a plurality of seed layers disposed on one side of the resonating part. Full Article
tor FILM BULK ACOUSTIC WAVE RESONATOR (FBAR) HAVING STRESS-RELIEF By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT An acoustic resonator structure comprises: a substrate having a cavity, which has a plurality of sides; a first electrode disposed over the cavity; a piezoelectric layer disposed over a portion of the first electrode and extending over at least one of the sides; and a second electrode disposed over the piezoelectric layer, an overlap of the first electrode, the piezoelectric layer and the second electrode forming an active area of the FBAR. The active area of the FBAR is completely suspended over the cavity. Full Article
tor RESONATOR AND RESONANCE DEVICE By www.freepatentsonline.com Published On :: Thu, 22 Jun 2017 08:00:00 EDT A resonator is provided that suppresses frequency variations with etching without decreasing the strength of vibration arms. The resonator includes a base portion, a first vibration portion extending from the base portion in a first direction and having a first width, and a second vibration portion extending from the base portion in the first direction with a first gap between the first and second vibration portions and having the first width. The first and second vibration portions perform out-of-plane bending vibration with opposite phases at a predetermined frequency. The predetermined frequency varies in accordance with the first width and the first gap. The ratio of the first gap to the first width is within a range that causes an absolute value of rates of variations in the predetermined frequency with respect to variations in the first width and in the first gap to be not more than about 100 ppm. Full Article
tor GARMENT GENERATING ELECTRICITY BY AMBULATION OR ARM SWINGING PAST TORSO OR BOTH By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT Provided is a garment generating electricity which transforms kinematic energy generated when a user wearing the garment walks and/or swings arms past torso to an electric energy, and has a simple structure and is produced at low cost, and realizes excellent electricity generation efficiency. A garment generating electricity from ambulation or aim swinging past torso or both includes a magnet member arranged on a first part of a garment to generate magnetic field, a coil member provided on a second part of the garment which reciprocally moves with the first part of the garment while walking or swinging aims past torso, the coil member generating electricity from the magnetic field of the magnet member, and a storage battery charged with the electricity generated by the coil member. Full Article
tor CONSTRUCTION OF MOTORIZED WHEEL FOR VEHICLE MOTORIZATION By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A motorization apparatus for a motorized wheel comprises an axle secured to a frame of a vehicle. A rotor unit has poles of magnet material. A stator unit having slots and teeth secured to the axle is inward of said rotor to define a clearance gap therewith such that the rotor unit is rotatable about the stator core. An arrangement of coils is wound around the teeth of the stator unit, the coils adapted to be powered to induce a rotation of the rotor unit relative to the stator unit. A structure comprises hub portions rotatably mounted to the axle, the structure having lateral walls defining an inner volume for the rotor unit and the stator unit, the structure supporting the rotor unit. The structure comprises attachment members connected to spokes of the motorized wheel, located radially inward of the clearance gap between the rotor unit and the stator unit. Full Article
tor Electric Motor Assembly By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT An electric motor assembly includes an axle having a first end and a second end. A plurality of rotor stages is attached to the axle. The rotor stages each include a set of rotor magnets. Each set has a greater potential magnetic field as the sets are located further from the first end. A plurality of stators is positioned around the rotor stages so that each of the rotor stages is adjacent to and covered by one of the stators to define a plurality of mated pairs. The stators each include a plurality of stator magnets. A stator control, for controlling individual ones of the pairs, is electrically coupled to each of the stators and magnetizes the stator magnets in a controlled fashion with respect to the rotor magnets to urge the rotor magnets in a same direction and rotate the axle. Full Article
tor Interior Permanent Magnet Rotor Unit By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT An object is to provide an interior permanent magnet rotor unit that allows possible demagnetization to be suppressed regardless of a material for a portion of a permanent magnet, which is positioned on an outward side in a radial direction of a core. A core is a laminate of first thin-plate-like members and second thin-plate-like members. The first thin-plate-like members and the second thin-plate-like members have first insertion slots and second insertion slots each of which is filled with a permanent magnet. In the first thin-plate-like members, a separating portion is formed at an end of each of the first insertion slots or the second insertion slots, which end is located on an outward side of the insertion slot in a radial direction, to form a slit in the corresponding permanent magnet. Full Article
tor ELECTRIC MACHINE, METHOD OF MANUFACTURING THE ELECTRIC MACHINE, ROTOR AND ADJUSTMENT DEVICE By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT An electric machine of a motor vehicle, in particular of an adjustment drive or of a radiator fan, has a rotor which is mounted so as to be rotatable about a machine axis. The rotor has a number of permanent magnets which are arranged in the radial direction. Each permanent magnet has one side with a strong magnetic flux and one side with a weak magnetic flux in the tangential direction. When the permanent magnets are adjacent in the tangential direction, different sides are directed towards one another. Full Article
tor MOTOR By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT Embodiments describe a motor. The motor includes a stator, and a rotor, which is arranged within the stator. An end part of at least one air-gap slot of the rotor has an offset with a predetermined distance and/or a predetermined angle relative to a main body part adjacent immediately to the end part. With the offset of a predetermined distance and/or a predetermined angle configured at the end part of at least one air-gap slot of the rotor, ripple torque of the motor is effectively lower down while complexity of the motor, stator or rotor will not be increased. Full Article
tor COOLING ARRANGEMENT FOR AN ELECTRIC MOTOR By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT An electric motor includes a stator operable to produce a magnetic field and defining an opening, and a rotor at least partially disposed within the opening. The rotor includes a shaft extending along a rotational axis, a first rotor magnetic core portion including a plurality of laminations stacked contiguously on the shaft, and a second rotor magnetic core portion coupled to the plurality of laminations. The first rotor magnetic core portion and the second rotor magnetic core portion cooperate to define the rotor magnetic core. A plurality of windings is coupled to the rotor magnetic core and an air flow path is formed as part of the second rotor magnetic core portion. The air flow path includes an axial portion that passes through the shaft axially along the rotational axis and a radial portion that extends radially outward through the second rotor magnetic core portion. Full Article
tor Inner-Rotor Motor By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT An inner-rotor motor including: an armature assembly including a rotating shaft, an armature unit coupled to the rotating shaft and a pressing unit; a frame assembly including a frame housing the armature unit, a first bearing unit located on one side with respect to the armature unit in an axial direction, and a second bearing unit located on another side with respect to the armature unit in the axial direction; and an urging structure that urges the rotating shaft in a direction away from the second bearing unit and that presses the pressing unit toward the first bearing unit. Full Article
tor VIBRATION MOTOR, VIBRATOR-ATTACHED BOARD, SILENT NOTIFICATION DEVICE, AND METHOD FOR MANUFACTURING VIBRATION MOTOR By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A vibration motor includes a base portion arranged to extend perpendicularly to a central axis extending in a vertical direction; a shaft having a lower end fixed to the base portion, and arranged to project upward along the central axis; a circuit board; a coil portion; a bearing portion; a rotor holder; a magnet portion; an eccentric weight; a cover portion; and a motor electrode portion electrically connected to the circuit board, and arranged to project downward below a lower surface of the base portion. The entire base portion and the entire circuit board are arranged inside of an outer circumferential edge of a lower end of the cover portion. Full Article
tor MOTOR By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A rolling bearing has an inner ring attached to a rotating shaft out of contact with a first end surface, and an outer ring is fitted onto an inner peripheral surface of a housing in contact with the first end surface. A sliding element is provided between a second end surface and the first end surface. A retaining portion is provided between the sliding element and the first end surface. A biasing portion is provided between the retaining portion and the first end surface to bias the retaining portion toward a second side in a lamination direction. The rotating shaft, the housing, the inner ring, the outer ring, a rolling element, the sliding element, the retaining portion, and the biasing portion are formed of a conductive material. The rotating shaft and the housing are electrically connected by the sliding element, the retaining portion, and the biasing portion. Full Article
tor MOTOR DRIVE DEVICE WHICH COOLS HEAT SINK BY OUTSIDE AIR By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT A motor drive device is fixed to a wall part of a housing and comprises a duct having an inflow port and an outflow port of air. A main body part of the duct functions as a heat-sink unit which releases heat into the duct. The duct is arranged inside the housing. The inflow port and the outflow port are formed so that outside air can flow through openings formed in the wall part. Full Article
tor INTEGRAL ACTUATOR DESIGN By www.freepatentsonline.com Published On :: Thu, 29 Jun 2017 08:00:00 EDT An integrated actuator drive unit (ADU) assembly for an electric motor actuator is disclosed. The integrated ADU assembly may comprise at least one of an integrally formed ring gear, an integrally formed thrust bearing and integrally formed load cell. The integrated ADU assembly may comprise a portion of an electromechanical actuator. The electromechanical actuator may be utilized for aircraft braking systems. Full Article