Wireless tag reader and wireless tag status inference apparatus, system,
A system including wireless tags that transmit information from fixed locations to nearby wireless tag readers possessed by moving persons also includes a...
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)...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
Micromachine switch, filter circuit, duplexer circuit, and communication
A micromachine switch switches an electrical connection between signal electrodes in accordance with control signals. The micromachine switch includes a...
Sandwich vehicle structure having integrated electromagnetic radiation
A sandwich vehicle structure may allow for confined propagation of electromagnetic radiation within the sandwich vehicle structure. The sandwich vehicle...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
Two-point phase modulator and method of calibrating conversion gain of the
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...
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...
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...
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...
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...
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...
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...
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...
Phase-locked loop circuit, recording-and-reproducing apparatus, and
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...
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...
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...
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...
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...
According to one embodiment, there is a semiconductor device including a first active element, a second active element connected in parallel with the first...
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...
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...
CMOS power amplifiers having integrated one-time programmable (OTP)
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...
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...
A differential amplifier unit and a feedback unit are provided. The differential amplifier unit includes first and second transistors and first to fourth loads....
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...
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...