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Patent # Description
US-1,005,0611 Oscillation circuit, voltage controlled oscillator, and serial data receiver
An oscillation circuit includes: an oscillator configured to generate N phase clocks (where N is an integer of 2 or more) including a first phase clock to Nth...
US-1,005,0610 Clock distribution schemes with wide operating voltage ranges
Clock distribution schemes with wide operating voltage ranges are disclosed. In one aspect, an operating voltage level or condition within a computing device is...
US-1,005,0609 Antenna switch circuit with improved harmonic suppression characteristic
An antenna switch circuit includes: a first switch circuit connected between a first signal port for signal transmission and reception and an antenna port, and...
US-1,005,0608 Phase modulation noise reducer
A phase modulation (PM) noise reducer to reduce phase modulation noise of an oscillator, the PM noise reducer including: an amplitude modulation (AM) detector...
US-1,005,0607 Polyphase decimation FIR filters and methods
A polyphase decimation FIR filter apparatus including a modulo integrator circuit configured to integrate input samples and to provide integrated input samples;...
US-1,005,0606 Decimation FIR filters and methods
A polyphase decimation FIR filter apparatus including a modulo integrator circuit configured to integrate input samples and to provide integrated input samples;...
US-1,005,0604 Variable filter
A variable filter has a signal loop defined between a signal input and a signal output. A plurality of circuit elements connected in the signal loop, the...
US-1,005,0603 Frequency tunable filter with voltage stressed relaxed switch, and associated apparatus
A frequency tunable filter and an associated apparatus are provided, where the frequency tunable filter may include a plurality of ports including an input port...
US-1,005,0602 Tunable Q resonator
A tunable Q resonator using a capacitive-piezoelectric transducer provides a flexible top electrode above an AlN resonator. The top electrode can be pulled...
US-1,005,0601 Elastic wave apparatus
An elastic wave apparatus includes a piezoelectric substrate, an IDT electrode on the piezoelectric substrate and includes first electrode fingers, second...
US-1,005,0600 Acoustic wave device
A SAW device (1) comprises a substrate (3); SAW elements (10) on a first main surface (3a) of the substrate (3); first lines (intermediate lines (29) and output...
US-1,005,0599 BAW device and method of manufacturing BAW device
A BAW device includes a substrate and a piezoelectric element formed on a surface of the substrate. The substrate has a plurality of elastic wave diffusing...
US-1,005,0598 Method and apparatus for adaptive impedance matching
A system that incorporates teachings of the present disclosure may include, for example, an adaptive impedance matching network having an RF matching network...
US-1,005,0597 Time delay filters
A time delay filter comprising a substrate; four coupled LC resonators, each having a coupling point; a first capacitor that electrically couples the first...
US-1,005,0596 Using averaged audio measurements to automatically set audio compressor threshold levels
Various aspects of this disclosure describe setting an audio compressor threshold using averaged audio measurements. Examples include calculating one or more...
US-1,005,0595 Embedded speaker protection for automotive audio power amplifier
A circuit can be used in a speaker system. The circuit includes an amplifier with an output configured to be coupled to a speaker. An offset comparator has an...
US-1,005,0594 Playback device group volume control
Embodiments are provided for satellite volume control. An example method includes receiving an input at a playback device to adjust a volume for a plurality of...
US-1,005,0593 Power amplifier module
A power amplifier module includes a first bipolar transistor configured to amplify a radio frequency signal and output an amplified signal and a second bipolar...
US-1,005,0592 Output circuit
An output circuit includes a first transistor, a second transistor, an operational amplifier that outputs a control voltage, and a switch circuit that controls...
US-1,005,0591 LC network for a power amplifier with selectable impedance
An amplifier is configured to amplify an RF signal as between an input terminal and an output terminal across a wideband frequency range. A first LC network is...
US-1,005,0590 Power amplifier
A power amplifier (PA) cell is coupled to an input signal source, and includes a transistor coupled to the load; a first inductor coupled to a gate of the...
US-1,005,0589 Startup pop minimization
A switching power conversion system and a method for start-up pop minimization in an audio amplifier assembly are disclosed. The switching power conversion...
US-1,005,0588 Doherty amplifier circuits
A Doherty amplifier circuit comprising: a splitter having: a splitter-input-terminal for receiving an input signal; a main-splitter-output-terminal; and a...
US-1,005,0587 Power amplifier circuit and semiconductor integrated circuit
A power amplifier circuit includes unit amplifiers (unit PAs) whose output terminals are connected to one another, among which a number of unit PAs to be...
US-1,005,0586 Low noise and low power voltage-controlled oscillator (VCO) using transconductance (g.sub.m) degeneration
Certain aspects of the present disclosure generally relate to voltage-controlled oscillators (VCOs) using a lowered or an adjustable negative transconductance...
US-1,005,0585 Ultra-low power crystal oscillator with adaptive self-start
A crystal oscillator is started in a high power mode for a certain period of time to ensure starting oscillation with average grade crystals, then once the...
US-1,005,0584 Cooling apparatus for solar panels
A solar panel cooling system and apparatus. The cooling system includes a shroud that is coupleable to a back side of a solar panel. The shroud encloses a space...
US-1,005,0583 Solar generator with large reflector dishes and concentrator photovoltaic cells in flat arrays
An apparatus is disclosed for generation of electricity using sunlight focused onto multi junction photovoltaic cells having high conversion efficiency. The...
US-1,005,0582 Self-charging terminal and photovoltaic panel cleaning equipment having same
A self-charging terminal, which includes a terminal fixing block, a sloped conductive member and a sloped conductive member mounting member is disclosed. The...
US-1,005,0581 Frame profile moulding for solar cell laminate, framed solar module and fastening system for solar modules
A frame profile (1) for a solar cell laminate (10) includes a laminate clamping section (2), which comprises two parallel clamping feet (2a, 2b) configured...
US-1,005,0580 Supporting structure for waterborne photovoltaic power generation
A supporting structure for waterborne photovoltaic power generation is provided. The supporting structure includes at least one floating bracket. The floating...
US-1,005,0579 Damped bearing of a rotor shaft
The invention relates to an arrangement for the damped bearing of a rotor shaft (1) of an electric machine. The invention also relates to an electric machine...
US-1,005,0578 Motor control system, initial charger, and method for detecting failure
A motor control system includes a DC-to-DC converter including a semiconductor switch and a reactor that cooperates with the switch to convert input-side DC bus...
US-1,005,0577 Vehicle cooling-fan motor/inverter system, control method therefor, and program therefor
Included are: a motor control device that has a switching element, that converts DC power supplied from a high-voltage power supply into three-phase AC power,...
US-1,005,0576 Inverter control device and air conditioner
An inverter control device that controls an inverter unit that converts a DC voltage from a converter unit to an AC voltage and supplies the AC voltage to the...
US-1,005,0575 Partitioned motor drive apparatus for subsea applications
A system includes an above-surface control unit and a subsea motor drive unit. The above-surface control unit includes a variable speed motor control circuit...
US-1,005,0574 Management of motor regeneration
A method and apparatus for controlling regeneration for a motor. An instantaneous voltage provided by a power supply to the motor is identified using a voltage...
US-1,005,0573 Wind power generation system including doubly-fed generator and stator-connected auxiliary converter
A wind power generation system and a control method thereof are provided herein. The wind power generation system includes a doubly-fed generator, a...
US-1,005,0572 Power tool with electric motor and auxiliary switch path
A power tool is configured to receive power from a power supply. The power tool may include a rectifier that may output a rectified signal to a DC power bus. A...
US-1,005,0571 Motor driving appartus and home appliance including the same
A motor driving apparatus includes an inverter to convert a direct current (DC) voltage into an alternating current (AC) voltage through a switching operation...
US-1,005,0570 Motor control circuit and method of use
A motor control circuit is provided, including a first circuit, a second circuit, and a microcontroller. The first circuit is configured to conduct an analog...
US-1,005,0569 Inverter control device and inverter control method
An inverter control device that controls a multiple of inverters configured to use the same positive and negative direct current voltage bus lines connected to...
US-1,005,0568 Electronically controlled switch for an electric motor
A system in which the operation of an electric motor is controlled by electronically controlled switches. The system includes the motor having a run winding and...
US-1,005,0567 Flexible energy conversion device using liquid
The present invention relates to a flexible energy conversion device using a liquid, and more specifically, to a method and a device for converting mechanical...
US-1,005,0566 Generator for automobile using flexible piezoelectric device
According to an embodiment of the present disclosure, a generator using a flexible piezoelectric device comprises a tire with a hollow tube structure, a...
US-1,005,0565 Piezoelectric energy harvester and wireless switch including the same
Provided are a piezoelectric energy harvester and a wireless switch including a piezoelectric energy harvester. The piezoelectric energy harvester uses energy...
US-1,005,0564 Vibration actuator and image forming apparatus mounting the vibration actuator thereon
A vibration actuator, which can be stably driven and has high durability, is provided with a vibrating body having an elastic body, including a ferrous metal,...
US-1,005,0562 Triboelectric energy generator using control of dipole polarization direction and method of fabricating thereof
Provided are a triboelectric energy generator using a control of a dipole polarization direction and a method of fabricating the same. The present invention...
US-1,005,0561 Three-level inverter switching
Inverter circuit operation for managing power factor changes is provided. Various modes of switch timing may be employed near zero-voltage crossings. Inverter...
US-1,005,0560 Inverter circuit with current detection circuitry
An inverter circuit with a current detection circuitry includes a main bridge circuit connected between the pair of DC input nodes, the main bridge circuit...
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