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-9,503,036 Power amplifier having stack structure
A power amplifier having a stack structure, including: a first driver stage that receives a power voltage from a power supply and receives and amplifies an...
US-9,503,035 High-frequency amplifier
There is provided a high-frequency amplifier including a divider, a plurality of amplifiers for amplifying a high-frequency signal distributed by the divider...
US-9,503,034 RF/microwave high power switching combiner unit
A switching combiner unit (SCU) may combine coherent RF or microwave outputs from multiple power amplifier units (PAUs). Each SCU may be able to be switched...
US-9,503,033 Audio amplifier mode transition
An audio amplifier is to transition between a power-down mode and an active mode, based on assertion and deassertion of a power down signal. A power down...
US-9,503,032 Method and apparatus of an input resistance of a passive mixer to broaden the input matching bandwidth of a...
A cascode amplifier circuit comprises a first spiral inductor coupled to a source of a first transistor; a second spiral inductor coupled to a drain of a second...
US-9,503,031 Electronic system and auto configuration method for an operational amplifier in the electronic system
The invention provides an auto configuration method for an operational amplifier in an electronic system. The method includes steps of estimating an internal...
US-9,503,030 Radio frequency power amplifier
A radio frequency power amplifier comprises an input and output terminals, a main and peak amplifier stages, and an output power combiner for combining a main...
US-9,503,029 Transmitting amplifier and transmitter
The present invention is applied to a transmitting amplifier including one of a carrier amplifier and a peak amplifier as a first amplifier and the other as a...
US-9,503,028 Three-way sequential power amplifier system for wideband RF signal
A three-way sequential power amplifier includes an input network connected to a main amplifier, a first peak amplifier, a second peak amplifier, which in turn...
US-9,503,027 Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop...
An integrated circuit may have two signal paths: an open-loop modulator (which may comprise a digital-input Class-D amplifier) and a closed-loop modulator...
US-9,503,026 Dynamic error vector magnitude duty cycle correction
Aspects of this disclosure relate to dynamic error vector magnitude (DEVM) compensation. In one embodiment, an apparatus includes an amplifier, a low pass...
US-9,503,025 Power amplifier with termination circuit and resonant circuit
Aspects of this disclosure relate to efficient power amplifiers, such as class-F power amplifiers. A power amplifier transistor can provide an amplified RF...
US-9,503,024 Amplifying device
An amplifying device includes: a signal splitter configured to split an input signal to a plurality of signals having a phase difference between the plurality...
US-9,503,023 Class-D amplifier
One example discloses a class-D amplifier apparatus, comprising: an amplifier circuit, having a set of input terminals, a set of output terminals, a quiescent...
US-9,503,022 Balanced up-conversion mixer
A balanced up-conversion mixer includes: a negative resistance compensation circuit generating and outputting first and second currents based on a DC bias...
US-9,503,021 Quantum interference device, atomic oscillator, electronic device, and moving object
An atomic oscillator includes an atom cell, a first light source device, a second light source device, and a reception section. The atom cell is filled with...
US-9,503,020 Oscillator, electronic apparatus, and moving object
An oscillator includes a first VCXO and a second VCXO which are capable of changing an output frequency by application of a control voltage, and a control...
US-9,503,019 Apparatuses and methods for providing oscillation signals
Apparatuses and methods are disclosed for oscillators that are substantially insensitive to supply voltage variations. In one such example apparatus, a...
US-9,503,018 Semiconductor device
A semiconductor device is formed by sealing, with a resin, a semiconductor chip (CP1) having an oscillation circuit utilizing a reference resistor. The...
US-9,503,017 Infrastructure-grade integrated voltage controlled oscillator (VCO) with linear tuning characteristics and low...
The described devices, systems and methods include a voltage controlled oscillator. The voltage controlled oscillator includes a fine-tuning varactor network, a...
US-9,503,016 Solar panel unit
A solar panel unit (10) includes a control unit (73) which operates an actuator (41) such that an angle of a solar panel (20) coincides with a predetermined...
US-9,503,015 Solar panel support
A solar panel support comprising an upper coupling member including a hollow sleeve having a tapered inner surface increasing in diameter or cross-sectional...
US-9,503,014 Geared motor unit having function for limiting thrust load
A compact geared motor unit, capable of properly protecting an electric motor without disengaging gears or suspending the unit, even when a thrust force larger...
US-9,503,013 Motor drive voltage control device and method for controlling motor drive voltage
To suppress a decline in the control accuracy of an applied voltage associated with an increase in quantum noise, and to increase the control accuracy of a...
US-9,503,012 Dynamic inductor system
A dynamic inductor system capable of storing usable electrical energy includes a rotor, a stator, a three-phase winding set, and a damping circuit. The damping...
US-9,503,011 Motor driving method, motor driving device, and hard disk device
The present invention is intended to reduce noise and vibration of a motor. A first duty correction circuit generates a first corrected duty instruction value...
US-9,503,010 Apparatus and method for minimizing influence of temperature change in motor
An apparatus for minimizing an influence of a temperature change may include a motor, a temperature sensor for sensing a temperature of the motor to create the...
US-9,503,009 Method and apparatus for controlling of 3-phase AC motor
A method for controlling a 3-phase AC motor may include; transforming a torque command signal of an upper control into a voltage command, generating a current...
US-9,503,008 System and method for monitoring a rapid de-excitation system for synchronous machines
A system and method for monitoring a rapid de-excitation system for synchronous machines with indirect excitation, via an exciter machine and a rotating...
US-9,503,007 System and method for controlling a power generation system connected to a weak grid
A method for controlling a power generation system connected to a weak grid may generally include operating a power converter of the system so as to produce...
US-9,503,006 Plasma and induction heating power supply systems and related methods
In some aspects, a power supply system for a plasma application and/or an induction heating system includes at least two controllable power generators of...
US-9,503,005 Control device and stepping motor control method
A motor control device includes a drive unit configured to rotate a rotor by supplying a drive signal with periodical changes to a coil; a detection unit...
US-9,503,004 Motor driving circuit
A logic circuit controls a bridge circuit connected to a coil of a stepping motor in synchronization with an input pulse, so as to control electric power...
US-9,503,003 Image forming apparatus
An image forming apparatus drives and rotates at least one of a photosensitive drum and a transport roller with use of a stepping motor in a multi-phase...
US-9,503,002 Image forming apparatus, motor control apparatus, and method of controlling motor
An image forming apparatus includes an engine portion configured to perform image forming, a direct current (DC) motor configured to mechanically operate the...
US-9,503,001 Remotely-programmable control circuit for single-phase motor
An HVAC control system, associated brushless direct current motor, and methods of operation are disclosed. One such control system includes a brushless direct...
US-9,503,000 Driving device of multi-phase motor, driving method, cooling device, and electronic apparatus
A driving device of a multi-phase motor having a plurality of coils is provided. The driving device includes a back electromotive force (BEMF) detecting...
US-9,502,999 Apparatus for driving motor and controlling method thereof
There is provided an apparatus for driving a motor including: a converter applying an input voltage to each phase winding of the motor; and a processor...
US-9,502,998 Systems and methods for controlling motor torque output
Systems and methods are disclosed for controlling a torque output by an AC motor drawing power from a DC bus. According to certain embodiments, the system for...
US-9,502,997 Engine control for a synchronous motor
The invention relates to an engine control for a synchronous motor having a number of N stator coils set off in regard to each other, which are arranged around...
US-9,502,996 Motor driving device and air conditioner including the same
A motor driving device and an air conditioner including the same are disclosed. The disclosed motor driving device includes a rectifier to rectify input AC...
US-9,502,995 Micro-hydraulic device
A micro-hydraulic device includes an enclosure. The enclosure includes a substrate having a first surface and a second surface distal to the first surface. The...
US-9,502,993 Method and apparatus for sensing signals
Methods, apparatuses, and systems are disclosed for a transducer. The transducer can include a bottom plate formed from a first sheet of material, a top plate...
US-9,502,992 Diode substitute with low drop and minimal loading
A voltage rectifier circuit having a storage element and a switching stage that is switchable to enable the storage element to capture a peak voltage of an...
US-9,502,991 Hybrid converter and wind power generating system
The present invention discloses a hybrid converter and a wind power generating system, the hybrid converter including a voltage source converter, a line...
US-9,502,990 Electric power feedback apparatus with main power output-feedback and standby power output-feedback
An electric power feedback apparatus is electrically connected to a power supply apparatus. The power supply apparatus includes a power supply module, a main...
US-9,502,989 Energy storage device, system with energy storage device and method for generating a supply voltage of an...
The invention relates to an energy storage device for generating an n-phase supply voltage for an electrical machine, where n.gtoreq.1, or for an inverter, with...
US-9,502,987 Circuit and method for managing common mode noise in isolated resonant DC-DC power converters
A resonant DC/DC power converter is provided with isolated primary and secondary circuits. The primary circuit includes at least four switches as first and...
US-9,502,986 Voltage conversion device
A voltage conversion device includes a voltage conversion unit and a control unit. The voltage conversion unit includes an input rectifier circuit, a storage...
US-9,502,985 Transformer communication system
A switched mode power converter (SMPC) has an isolation transformer for power transfer and a communication circuit for data communication between the primary...
← 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 | 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.