Easy To Use Patents Search & Patent Lawyer Directory

At Patents you can conduct a Patent Search, File a Patent Application, find a Patent Attorney, or search available technology through our Patent Exchange. Patents are available using simple keyword or date criteria. If you are looking to hire a patent attorney, you've come to the right place. Protect your idea and hire a patent lawyer.

Searching:





Search by keyword, patent number, inventor, assignee, city or state:




Patent # Description
US-9,531,336 Operational amplifier and driving circuit
An operational amplifier, including an input stage circuit, an output stage circuit and a constant-gm circuit is provided. The input stage circuit provides a...
US-9,531,335 Method and circuitry for CMOS transconductor linearization
Third order distortion is reduced in a CMOS transconductor circuit that includes a first N-channel transistor and a first P-channel transistor, gates of the...
US-9,531,334 Broadband circuit for an active device
A circuit includes a de-Qing network coupled in parallel between a first and a second series-coupled reactive network. The de-Qing network is sized to lower the...
US-9,531,333 Formant amplifier
A method can include receiving audio data within a band of frequencies; amplifying individualized formant frequencies within the band of frequencies; and...
US-9,531,332 Distortion-compensation device and distortion-compensation method
Disclosed is a distortion-compensation apparatus that can reduce the storage space for storing coefficients required for distortion-compensation calculation,...
US-9,531,331 Amplifier compensating drift after sudden decrease of drain current
An RF amplifier that compensates the drift appearing after a sudden decrease of the drain current is disclosed. The RF amplifier detects the drain current by...
US-9,531,330 Low noise amplifier for multiple channels
An amplifier system has an amplifier for amplifying a plurality of input signals from a plurality of different channels, and a plurality of demodulators each...
US-9,531,329 Power amplifier and transmission apparatus
A power amplifier according to the present invention includes: an apparatus housing (10) having a hole (11) for maintenance formed therein; a transmission line...
US-9,531,328 Amplifiers with a short phase path, packaged RF devices for use therein, and methods of manufacture thereof
An embodiment of a packaged radio frequency (RF) amplifier device includes a transistor and an inverse class-F circuit configured to harmonically terminate the...
US-9,531,327 Power amplifier and power amplification method
When frequency allocation for a plurality of frequencies is in an intra-band CA relationship, a first amplifier is operated in class B, a second amplifier is...
US-9,531,326 Limiting amplifiers
A limiting amplifier includes a multiplicity of cascaded amplifier stages for amplifying an input signal for the amplifier. A further amplifier stage is...
US-9,531,325 Doherty power amplifier circuit
A Doherty power amplifier circuit is provided, which includes a power divider circuit, and a power amplifier circuit connected with the power divider circuit;...
US-9,531,324 Frequency synthesizer system and method
A frequency synthesizing circuit comprising a first mixer configured to receive a first input signal at a first input thereof, a first filter configured to...
US-9,531,323 Low-power balanced crystal oscillator
A circuit includes: first and second output terminals; a reference resonator coupled between the first and second output terminals; a cross-coupled oscillation...
US-9,531,322 Dynamically reconfigurable photovoltaic system
A PV system composed of sub-arrays, each having a group of PV cells that are electrically connected to each other. A power management circuit for each sub-array...
US-9,531,321 System and method of online filtering of photovoltaic signals
A system for online filtering of photovoltaic (PV) output signals includes a programmable filter that is programmed to decompose measured PV output power into...
US-9,531,320 Guide system for solar panels
The disclosure relates to a guide system for holding and moving sunlight-absorbing devices, in particular, solar panels or concentrated photovoltaic modules,...
US-9,531,319 Clamps for solar systems
A solar power system can include a rail and a solar module disposed on the rail. A clamp assembly can couple the solar module to the rail. The clamp assembly...
US-9,531,318 Rotating electrical machine
Provided is a rotating electrical machine capable of downsizing. The rotating electrical machine includes: a stator (2) including an armature winding (9); a...
US-9,531,317 Power conversion apparatus, power conversion method, and motor system
An efficient and reliable power conversion method for converting an input voltage which is a single-phase AC voltage into output voltages forming a two-phase AC...
US-9,531,316 Motor control device and motor control method
A motor control device has a motor current detector for detecting current in windings to control the operation of a motor with a stator having three-phase...
US-9,531,315 Electric vehicle and control method therefor
A hybrid vehicle includes a battery, a boosting converter, first and second inverters, a first inverter connected to the first inverter, a second motor...
US-9,531,314 Modular motor drive configuration system and method
A motor drive system includes a power sub-assembly that comprises power electronic components and driver circuitry for controlling gate drive signals to the...
US-9,531,313 Apparatus for controlling controlled variable of rotary machine to command value
In a control apparatus, an interference-reduction current calculator calculates, as an interference reduction current, a component of a current vector in a...
US-9,531,312 Vehicle and method of controlling vehicle
A vehicle includes a feeding system supplying an electric power to an external device disposed outside the vehicle, a controller controlling the operation of...
US-9,531,311 Generation of a current reference to control a brushless motor
A current reference generator to control a brushless motor in a motor control system is provided. The current reference generator includes a locate peak torque...
US-9,531,310 System and method for computing motor speed and rotor position using hall sensor
A method and system for computing a motor speed and a rotor position using a hall sensor are provided. The method improves precision for computing the speed of...
US-9,531,309 Drive device
A drive device that includes a current sensor that detects a current flowing in the wheel driving rotary electric machine; and shunt resistors that detect...
US-9,531,308 Fan motor power supply
A fan having one fan blade; a fan motor for rotating the fan blade; a motor control electrically coupled with the fan motor for controlling operational...
US-9,531,307 Motor control method and motor control apparatus
A method of controlling a motor includes a) acquiring a rotational speed parameter; b) selecting either a three-phase modulation scheme and a two-phase...
US-9,531,306 Electronic stability control system, and method for detecting a fault of motor freewheeling FET circuit
Disclosed herein is an electronic stability control system including: a motor driver configured to include a motor switch for driving a motor unit depending on...
US-9,531,305 Inverter apparatus
An objective of the present invention is to improve current detection accuracy and to reduce noise of carrier frequency. A motor apparatus and a motor drive...
US-9,531,304 Method and device for operating an electrical machine having separate excitation
A method and a device for operating an electrical machine having separate excitation, especially a synchronous machine. With the aid of a sensor system, a...
US-9,531,303 Flow energy piezoelectric bimorph nozzle harvester
A flow energy harvesting device having a harvester pipe includes a flow inlet that receives flow from a primary pipe, a flow outlet that returns the flow into...
US-9,531,302 Racheting micromotor using bi-directional actuator
A ratcheting micromotor includes a ratchet bar defining ratchet teeth along an edge thereof, and first and second ends in opposition to one another. The first...
US-9,531,301 Power conversion device and motor driving device
The power conversion device includes a power-supply shunt resistor provided between a negative voltage side of a DC power supply and an inverter and phase...
US-9,531,300 Single phase cycloconverter with integrated line-cycle energy storage
A method and apparatus for line-cycle storage of a single-phase cycloconverter. The method includes receiving input power from an input port of the singe-phase...
US-9,531,299 Resonant single stage DC-AC converter with capacitors forming a half-bridge
A new and useful circuitry for DC to AC single stage conversion are presented, with the advantages of bi-directionality, resonant power transfer, high...
US-9,531,298 Inverter device
When in an operation mode in which an alternating current voltage Vout is output using a positive voltage V1 of a direct current power source 1 input via a...
US-9,531,297 Solar power conversion system
A power conversion system (10) for converting power from a plurality of solar panels. The system (10) comprises a plurality of panel modules (14) each having an...
US-9,531,296 Neutral-point-clamped multilevel power conversion device
The present invention provides a power conversion device in which an on-pulse bias voltage and a neutral-point bias voltage do not interfere with each other. A...
US-9,531,295 Converter having auxiliary resonant circuit with current discriminating inductor
A resonant power converter includes a DC power source, a positive DC conductor, a negative DC conductor, a phase conductor, and a power converting unit between...
US-9,531,294 Power-conversion engine
The disclosure provides a power converter and method for controlling same, comprising a plurality of switch elements, an inductive reactor, and at least two...
US-9,531,293 Systems and methods for solar photovoltaic energy collection and conversion
A circuit for an energy collection system is provided that includes one or more strings that are configured to couple to an electrical load. Each of the one or...
US-9,531,292 Arrangement, method and computer program product concerned with tapping of power from a DC power line to an AC...
An arrangement for tapping power from a DC power line to an AC power line includes power transfer modules between two DC potentials, each including a first...
US-9,531,291 Transmission-line resistance compression networks and related techniques
Described embodiments provide a transmission-line resistance compression network that includes an input port, a first output port coupled to a first load and a...
US-9,531,290 Controlling parallel converter systems for wind turbines
A method of controlling a power unit having a plurality of converter modules coupled in parallel, is configured to convert DC into AC voltages or AC into DC...
US-9,531,289 Electro-mechanical kinetic energy storage device and method of operation
An electro-mechanical kinetic energy storage device includes an input port, an output port, and a tertiary port separate from and magnetically coupled to the...
US-9,531,288 Systems and methods for balancing UPS output voltages during transitions between operating modes
A UPS includes an input that receives first power from a utility source to power a load and receives second power from the utility source. The load is separate...
US-9,531,287 Recreational vehicle transformer
A transformer with a receptacle uniquely adapted on one side to receive the plug on the end of the power cord of a U.S. built 30 A RV and a plug on the other...
← Previous | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | Next →

File A Patent Application

  • Protect your idea -- Don't let someone else file first. Learn more.

  • 3 Easy Steps -- Complete Form, application Review, and File. See our process.

  • Attorney Review -- Have your application reviewed by a Patent Attorney. See what's included.