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Patent # Description
US-8,022,811 Wireless tag reader and wireless tag status inference apparatus, system, and program
A system including wireless tags that transmit information from fixed locations to nearby wireless tag readers possessed by moving persons also includes a...
US-8,022,810 Contactless privacy protection device
A privacy protection method designed to prevent or authorize a communication between a reader and an RFID label situated in an efficiency zone. In the method a)...
US-8,022,809 Inventory taking system
A system which is able to take inventory of products stored in high rise racks and immediately provide the inventory information to an information system for...
US-8,022,808 Vehicle power door control with passive entry
A vehicle equipped with a passive key entry system may employ a method of controlling a vehicle power sliding door(s) or other door(s), to accomplish locking,...
US-8,022,807 Alarm system with two-way voice
Techniques are described for establishing a two-way voice communication session with an alarm system. The alarm system may establish a two-way voice...
US-8,022,806 Fluid pressure sensor package
A fluid pressure sensor package can be easily assembled to have different types of probe tubes depending upon different application environments. The sensor...
US-8,022,805 Spiral inductor device
A spiral inductor device is provided. The spiral inductor device comprises an insulating layer disposed on a substrate. A spiral conductive trace with multiple...
US-8,022,804 Winding assembly
A winding assembly for a transformer includes a wire winding and a sheet winding. The wire winding includes a spirally wound insulated wire and the sheet...
US-8,022,803 Transformer
The present invention provides a transformer capable of driving a plurality of lamps with one transformer by increasing the number of outer bobbins wrapping an...
US-8,022,802 Sensor for high voltage environment
Sensor for measuring electrical parameters in a high voltage environment comprising a high voltage side (4) for connection to high voltage conductors, a low...
US-8,022,801 Coil unit and electronic instrument
A coil unit includes a planar air-core coil that has an air-core section, a printed circuit board that is disposed on a transmission side of the planar air-core...
US-8,022,800 Field coil assembly for electromagnetic clutch
A field coil assembly for an electromagnetic clutch, which includes an electromagnetic coil body formed by winding an electromagnetic coil; a bobbin for...
US-8,022,799 Thin multi-function vibration actuator
A magnetic circuit unit includes a pole piece, a magnet, and a yoke and a suspension made of a magnetic material. A magnetic gap is formed between an inner...
US-8,022,798 Coil with superconductive windings cooled without cryogenic fluids
A coil comprises a set of windings with a generally annular shape and formed by a plurality of series-connected partial windings made of a superconductor with a...
US-8,022,797 Superconducting coil apparatus and inductor-type synchronous machine
This superconducting coil apparatus includes: a cylindrical coil container which has an inner circumferential surface and an outer circumferential surface; a...
US-8,022,796 Contactless switch
A contactless switch includes an angularly and/or axially adjustable rotor, by which at least one main magnet is directly or indirectly adjustable. The magnetic...
US-8,022,795 Variable impedance adapter for tuning system performance
A variable impedance adapter that has a value of characteristic impedance that is responsive to changes in the configuration of the adapter. In one embodiment,...
US-8,022,794 Micromachine switch, filter circuit, duplexer circuit, and communication device
A micromachine switch switches an electrical connection between signal electrodes in accordance with control signals. The micromachine switch includes a...
US-8,022,793 Sandwich vehicle structure having integrated electromagnetic radiation pathways
A sandwich vehicle structure may allow for confined propagation of electromagnetic radiation within the sandwich vehicle structure. The sandwich vehicle...
US-8,022,792 TM mode evanescent waveguide filter
Waveguide filters utilizing the TM modes in an evanescent waveguide are provided. The Q of such filters surpasses any evanescent, dual and triple mode filters...
US-8,022,791 Radio frequency device comprising a vibratile carbon nanotube and a vibratile tuning electrode
An RF device is provided. The RF device includes a vibratile carbon nanotube having a nanotube natural frequency (f0), a negative electrode fixed to a first end...
US-8,022,790 Composite right/left-handed line device
A composite right/left-handed line device includes plural electrodes, plural dielectric substances and plural magnetic substances. The plurality of electrodes...
US-8,022,789 Tuning control arrangement
A tuning arrangement for a resonant circuit, the tuning arrangement having an output reactance dependent upon a plurality of input applied signals one of which...
US-8,022,788 Filter with crosses
The invention relates to a process for the production of a microwave waveguide having a step of determining the zone or zones of the waveguide where an electric...
US-8,022,787 Duplexer, module including a duplexer and communication apparatus
A duplexer includes a common terminal, receiving filters, a transmitting filter, and a hybrid having four terminals (terminals 1 to 4). A first terminal...
US-8,022,786 Front-end circuit of the wireless transceiver
A front-end circuit of the wireless transceiver is disclosed to reduce the number of the pin count of the chip, and achieve the impedance matching. The circuit...
US-8,022,785 Step attenuator circuit with improved insertion loss
A step attenuator circuit is mounted on a printed circuit board and has a highpass filter network passing high frequency signals and a lowpass filter network...
US-8,022,784 Planar transmission line-to-waveguide transition apparatus having an embedded bent stub
A wireless communication module includes a plurality of monolithic millimeter-wave integrated circuits (MMICs) for signal processing attached to the top surface...
US-8,022,783 Non-reciprocal circuit element
The invention relates to a non-reciprocal circuit element (1) having a plurality of strip conductor elements (2) insulated electrically from one another, which...
US-8,022,782 Two-point phase modulator and method of calibrating conversion gain of the same
A two-point phase modulator and a method of calibrating conversion gain of the same are provided. The two-point phase modulator locks an output frequency signal...
US-8,022,781 Redundancy system for a telecommunication system and related methods
A redundancy system for a co-channel telecommunication system and related methods. Implementations of the redundancy system may include at least a first...
US-8,022,780 Auxiliary varactor for temperature compensation
Techniques for compensating for the effects of temperature change on voltage controlled oscillator (VCO) frequency are disclosed. In an embodiment, an auxiliary...
US-8,022,779 Integrated circuit oscillators having microelectromechanical resonators therein with parasitic impedance...
An integrated circuit oscillator includes a microelectromechanical (MEM) resonator having input and output terminals. An oscillation sustaining circuit is...
US-8,022,778 Low phase noise frequency synthesizer
Various apparatuses and methods for a low phase noise frequency synthesizer are disclosed herein. For example, some embodiments provide an oscillator that may...
US-8,022,777 Ovenized crystal oscillator assembly
An oscillator assembly including an oscillator seated on a pad of thermally conductive material formed on the surface of a printed circuit board and covered by...
US-8,022,776 Origami cascaded topology for analog and mixed-signal applications
The present disclosure relates to coupled circuits and methods of coupling circuits having a power supply wherein a plurality of transistors are inductively...
US-8,022,775 Systems and methods for maintaining a drive signal to a resonant circuit at a resonant frequency
Systems and methods for maintaining a drive signal to a resonant circuit at a resonant frequency are provided. A system for maintaining a drive signal to a...
US-8,022,774 Phase-locked loop circuit, recording-and-reproducing apparatus, and electronic apparatus
A phase-locked loop circuit includes a phase detection unit which detects phase information of an input signal, a loop filter unit including a series circuit of...
US-8,022,773 Clock signal generation device, and wireless base station
A wireless base station (11) includes a wireless communication unit (17) and a clock signal generation unit (20). The clock signal generation unit (20) includes...
US-8,022,772 Cascode amplifier with protection circuitry
A cascode amplifier with protection circuitry is described. In one exemplary design, the amplifier includes multiple branches coupled in parallel, with at least...
US-8,022,771 Linearized trans-impedance amplifiers
The disclosed systems and methods utilize an advanced linearized trans-impedance amplifier (ATIA) that allows for the recovery and amplification of low...
US-8,022,770 System and method for preventing power amplifier supply voltage saturation
A system for preventing power amplifier supply voltage saturation includes a multiple stage voltage regulator configured to provide a regulated voltage, a power...
US-8,022,769 Semiconductor device
According to one embodiment, there is a semiconductor device including a first active element, a second active element connected in parallel with the first...
US-8,022,768 Doherty amplifier and method for operation thereof
An amplifier having a Doherty-type architecture and a method for operation thereof are provided. The amplifier comprises a main amplifier path comprising a main...
US-8,022,767 High-speed, multi-stage class AB amplifiers
A multi-stage Class AB amplifier system includes a first Class AB amplifier circuit configured to receive an input signal. A bias circuit is configured to...
US-8,022,766 CMOS power amplifiers having integrated one-time programmable (OTP) memories
CMOS power amplifiers (PAs) are disclosed having one or more integrated one-time programming (OTP) memories that are utilized to control at least in part...
US-8,022,765 Source follower with gain compensation, and circuits and methods for source follower gain error compensation
Circuits and methods for compensating for an input-dependent gain error in a buffer and/or amplifier circuit, including applying a dynamic current to the input...
US-8,022,764 Differential amplifier
A differential amplifier unit and a feedback unit are provided. The differential amplifier unit includes first and second transistors and first to fourth loads....
US-8,022,763 Amplifier failure detection apparatus
An amplifier failure detection apparatus for a radio transmitter that has a function for compensating for amplifier distortion of the radio transmitter and a...
US-8,022,762 Multi-stage CMOS power amplifier
There is provided a multi-stage CMOS power amplifier including: a driver amplifier having differential output terminals, inverting differential signals input...
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