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8856857 Receiving device, receiving method, and program  
This technique relates to a receiving device, a receiving method, and a program that can demodulate transmitted signals with high accuracy. A receiving device of this disclosure includes: an...
8693970 Multi-beam active phased array architecture with independant polarization control  
In an exemplary embodiment, a phased array antenna comprises multiple subcircuits in communication with multiple radiating elements. The radio frequency signals are independently adjusted for both...
8583043 High-frequency device and wireless IC device  
A high-frequency device includes a wireless IC chip and a board which is coupled to the wireless IC chip and electrically connected to radiator plates, and an inductor and/or a capacitance are...
8242841 Receiver having multi-stage low noise amplifier  
A receiver having multi-stage low noise amplifier are provided. In this regard, a representative receiver, among others, includes at least one antenna and a filter that receives and filters...
8135375 Receiver having a gain-controllable stage  
A gain-controllable stage (CLN, A1, A2 . . . , A7, ACC) comprises a reactive signal divider (CLN) followed by an amplifier arrangement (A1, A2 . . . , A7, ACC). The reactive signal divider (CLN)...
8010073 System and method for adjusting power amplifier output power in linear dB steps  
A power amplifier for use in a transmitter enables linear in dB output power control capability with 2 dB step sizes.
7937063 Method and system for configuring a tower top low noise amplifier  
A method and system for protecting a LNA by acquiring a radio frequency control channel signal at a tower top low noise amplifier (TTLNA) system. In response to acquiring the radio frequency...
7907924 Semiconductor device interconnecting unit, semiconductor device and high-frequency module having a millimeter wave band  
A semiconductor device interconnecting unit configured to input/output a high-frequency signal having a millimeter wave band to/from a semiconductor device is provided. The semiconductor or device...
7890079 RFIC with on-chip multiple band power amplifiers  
A radio frequency integrated circuit (RFIC) includes a silicon substrate, CMOS processing circuitry, and a bipolar power amplifier module. The CMOS processing circuitry is on the silicon...
7831213 Method and system for configuring a tower top low noise amplifier  
Controlling a tower-top low noise amplifier (TTLNA) without transmit mode or receive mode timing control signals from a base station. The TTLNA system and associated components autonomously...
7822403 Receiver, transceiver circuit, signal transmission method, and signal transmission system  
A receiver has an offset application circuit for applying a known offset to an input signal, and a decision circuit for comparing the offset-applied input signal with a reference voltage. The...
7729660 Communication device, non-contact type IC card mounting same, and information apparatus  
A communication device able to share one antenna and in addition able to sufficiently exhibit characteristics of a function as a reader, writer and a card function, a non-contact type IC card...
7616940 Stand-alone low noise amplifier  
A time division duplex (TDD) wireless apparatus includes a low noise amplifier (LNA) system, at least one antenna and a transceiver system. The apparatus supports N time division duplexed channels...
7158771 Integrated circuit transponder having a plurality of high-gain radio frequency signal inputs  
A high gain input stage for a radio frequency transponder uses an amplifier for increasing a magnitude of an input signal. A DC bias circuit is used for controlling the operation of the amplifier....
6919856 Ferrite antenna  
The invention relates to a ferrite antenna, comprising at least one winding (4), which is arranged around a core (2) consisting of ferrite material. A second core (3), consisting of ferrite...
6917336 Miniature ultra-wideband active receiving antenna  
According to some aspects of this invention, a compact, broadband active receiving antenna uses one or more high transconductance transistors such as Field Effect Transistor(s) paired with another...
6876834 Power inserter configuration for wireless modems  
A wireless modem contains a power inserter circuit along with the traditional modem components. The power inserter circuit isolates the modem components from DC power that is inserted on the...
6366164 Integrated circuit layout for LF - signal acquisition in the case of contactless data transmission  
Integrated circuit layout for LF signal acquisition in the case of contactless data transmission Known circuit layouts for LF signal acquisition only provide for a very short communication...
5914640 Method and system for matching the input impedance of an RF amplifier an antenna to impedance  
A low noise RF input amplifier circuit has an input impedance ZIN for matched-impedance coupling to an antenna having a resistive impedance RA. The amplifier circuit has an input and output nodes,...
5893023 Satellite receiver including operating voltage supply arrangement suitable for different antenna assemblies  
A satellite receiver which is capable of being connected to different antenna assemblies which require different operating voltages, includes a switch mode power supply which supplies the...
5678198 System for controlling signal level at both ends of a transmission link, based upon a detected value  
The present invention is directed to a dynamic range enhancing system for increasing the dynamic range of a transmission link, characterized as either an analog or digital link. The system...
5483693 Combining antenna element signals  
A vehicle radio receiver circuit includes two antennas for mounting on the vehicle. The antennas are significantly less than one quarter of a wavelength in length at the desired frequency of...
5428830 Concealed antenna system with remote variable gain RF amplifier  
A concealed antenna system for motor vehicle radios replaces a radio chassis preamplifier with a remote radio frequency amplifier packaged with a filter module adjacent the antenna conductors to...
5311198 Active antenna  
An antenna, which may be a search coil, is connected to an operational amplifier circuit which provides negative impedances, each of which is in the order of magnitude of the positive impedances...
5301358 Automatic antenna tuning method and apparatus  
A wristwatch paging receiver is provided with an antenna matching network that automatically retunes the network at the beginning of a listening interval. During the retuning operation, a control...
5230096 Radio receiver antenna arrangements  
A radio receiver antenna arrangement incorporating an RF pre-amplifier (5) wherein circuitry (11 to 21) is provided for by-passing the pre-amplifier when strong signals are picked up by the...
5179731 Frequency conversion circuit  
A circuit array for frequency translation by means of quadrature heterodyne signals has very low quadrature errors even at very high frequencies and is monolithically integratable with little...
5170493 Combined low frequency receive and high frequency transceive antenna system and method  
A dual function antenna system and method. A system is provided for using a single antenna for both the reception of low frequency navigational signals, such as LORAN-C, and high frequency...
5019830 Amplified FM antenna with parallel radiator and ground plane  
An FM wave antenna including a coaxial cable, a parallel conductor which are provided parallel to a metal conductor such as a vehicle body and an amplifier provided between the coaxial cable and...
4947180 FM antenna  
An antenna assembly which is suited for receiving FM signals, comprises a pair of insulating disc shaped substrates which each have conductive patterns deposited on one surface thereof. The first...
4805232 Ferrite-core antenna  
A ferrite core antenna for use in the VHF and UHF range has a first coil on the core which is connected to a capacitance selected to resonate with the inductance of the coil at the desired...
4739516 Frequency tuned antenna assembly  
A fixed length antenna rod projects from a housing enclosing a pre-amplifier circuit connecting it to the front end of a FM receiver. The antenna rod is mounted at an optimum signal reception...
4667342 Tunable receiver input circuit  
A tunable receiver input circuit consists of an emitter follower amplifying circuit with a resonant circuit connected between emitter and ground. The impedance of the resonant circuit is high at...
4654669 Electrical signal separating device for window antenna having isolating and matching circuitry  
The present invention provides within three particular aspects thereof an isolating and matching device operable to enable an electrically heatable window of a motor vehicle to be used as an...
4554678 Wireless receiver having crystal filter at outputs of preamplifier  
A wireless superheterodyne receiver is provided having an antenna for receiving wireless transmissions, a preamplifier having an input connected to the antenna and an output, a crystal filter...
4531234 Optimizing antenna interface for automobile radio receivers  
An automatic signal optimizing interface for connection between the antenna of an automobile radio receiver and the receiver itself processes the RF signal received by the antenna and provides an...
4442434 Antenna circuit of the negative impedance type  
An aerial circuit comprises a first antenna in connection with an impedance, which is a "negative impedance", whereby a broad frequency range is achieved. The "negative impedance" is based on a...
4429417 Integrated antenna, amplifier and converter for microwave frequencies  
A microwave antenna has associated therewith an integrated amplifier and frequency converter circuit for operating frequencies of from 1 Ghz to 40 Ghz. The circuit may be tuned by variation of a...
4416023 Strong and weak signal preamplification system  
In a television receiver system having an antenna and a preamplifier, the antenna is chosen to receive signals from distant stations. Weak signals are amplified and applied to the receiver through...
4414690 Active aerial  
An active aerial for use in car radios and aerial "arrays" comprising an aerial element and an aerial connected thereto. In order to obtain a low distortion and a good signal-to-noise ratio in...
4342999 Loop antenna arrangements for inclusion in a television receiver  
A single-turn loop antenna suitable for inclusion within the cabinet of a television receiver has at least one gap forming a pair of feed terminals. Circuitry connects to the feed terminals for...
4314378 Antenna low-noise Q spoiling circuit  
An input coupling circuit for detuning the Q of a high-Q ferrite rod antenna is disclosed. A high-impedence low-noise amplifier is used to amplify the output signal from the LC resonant tank of...
4247954 Active window antenna for motor vehicles  
To minimize overmodulation in an active window antenna and radio receiver system, an amplification control voltage is produced in the active antenna, i.e., directly behind the antenna...
4228544 Antenna system using antenna base impedance transforming means  
An antenna system is disclosed for plural band radio receivers having a common antenna. The system is especially adapted for AM/FM automobile broadcast receivers and may be used with a CB...
4186350 Antenna tuning circuit  
An antenna tuning circuit of the type having a first variable capacitance diode connected in parallel with a coil to form a resonance circuit and a second variable capacitance diode through which...
4163195 Vehicle antenna and window amplifier  
A vehicle antenna window and amplifier are described comprising an antenna conductor located on or in a windshield and a high input impedance transistor amplifier circuit, these two components...
4138654 Digitally tuned circuit including switching of bank capacitors between plural tuned circuits  
An electrically tuned filter arrangement including several tuned filters which may alternatively be coupled to the input and output of the filter arrangement so as to provide the arrangement with...
4088955 Interference rejection technique  
This invention relates to interference suppression or reduction means in receiving systems, and more particularly to apparatus for suppressing interference in receiving equipment by locally...
4063175 Amplifier for receive mode operation  
An amplifier circuit to be interposed between an antenna and a utilization unit such as a radio, scanner, citizens band transceiver or the like. The amplifier circuit includes a current divider...
4019160 Signal attenuator circuit for TV tuner  
In a tuner for a television receiver, an attenuator circuit coupling a signal input to a signal output network includes a series connected controllable impedance and amplifier stage connected to a...
Matches 1 - 50 out of 111 1 2 3 >