|
Match
|
Document |
Document Title |
|
|
7583936 |
Circuit with reduced insertion loss and component comprising one such circuit
An electrical circuit has at least two parallel signal paths connected to one another on the antenna side and for which a band reject filter corresponding to the transmission range is implemented...
|
|
|
7580528 |
Secure terminal data loader apparatus and method for a mobile platform
A terminal data loading device on a mobile platform includes a media unit for receiving a transportable media element containing media data and outputting a media signal to a control processor...
|
|
|
7567533 |
Packet detection system, packet detection device, and method for receiving packets
A packet detector for a multi-band orthogonal frequency division multiplexing system includes a plurality of packet detection units each corresponding to a time frequency code for detecting packets...
|
|
|
7555076 |
Modular device for multiple reception of a modulated signal
A reception device includes a number of reception paths and a decoder. The reception paths are sequenced and each reception path includes a calculation module embodied to deliver a combined...
|
|
|
7546110 |
Low power highly linear RF downconverter
A technique for downconverting a RF signal comprises an antenna adapted to receive an RF signal; a transconductance amplifier connected to the antenna and adapted to amplify the RF signal; a...
|
|
|
7526254 |
Digital radio front end with minimized IF signal path
A digital down converter (DDC) can be provided in a digital radio receiver front end to produce baseband I and Q signals using mixing, decimating and narrow and wide filtering dependent upon the...
|
|
|
7522886 |
Radio frequency transceivers
A radio frequency transceiver having a printed circuit board (PCB) on which are located a plurality of components, the PCB being sandwiched between a base and a cover. The cover having a plurality...
|
|
|
7512391 |
Self-aligning resonator filter circuit and wideband tuner circuit incorporating same
A self-aligning resonator filter, a self-aligning coupled resonator filter circuit, and a television tuner circuit incorporating the filter and the circuit are disclosed herein. The self-aligning...
|
|
|
7502604 |
Wireless environment method and apparatus
A method and apparatus are provided for a first controlled device, such as a wireless local transmitter that accepts a plurality of digital audio signals and corresponding program information...
|
|
|
7493078 |
Antenna assembly for satellite and wireless services
An antenna assembly includes a reflector dish and a unit attached at a distal end of an arm to receive satellite signals reflected from the reflector dish. The unit includes at least one low-noise...
|
|
|
7450924 |
Interference cancellation and receive diversity for single-valued modulation receivers
A combined SAIC receiver and a multiple-antenna, receive diversity receiver are employed to reduce interference in a wireless system. The real and imaginary parts of the de-rotated signal for each...
|
|
|
7444129 |
Comb-line wireless filter
A comb-line wireless filter ( 5 ) includes an input end ( 505 a ), an output end ( 505 b ), a first transmission line ( 501 b ), a second and third transmission line ( 501 a, 501 c ) each having a...
|
|
|
7418248 |
Signal reception device, signal transmission device, radio communication system, and signal reception method
A signal reception device is disclosed that is able to improve interference cancellation capabilities even when signals having different center frequencies exist on the same frequency band. The...
|
|
|
7388860 |
Network communication apparatus, communication system and communication method
A network terminal apparatus in a type of directly connecting to a packet communication network, with an interface for connecting to a circuit under an environment of an SIP terminal network, and a...
|
|
|
7369836 |
Adjacent interference removal device
An adjacent interference removal device capable of providing an improved reception quality. An IF signal Sin having passed through an IF filter having a pass frequency band width of 200 kHz is...
|
|
|
7346326 |
Mobile communication terminal with equalizer function
Disclosed is a mobile communication terminal which is provided with an equalizer function of audio equipment to adjust a timbre of transmitting/received speech sounds so as to satisfy a great...
|
|
|
7346173 |
Method and circuit assemblage for influencing the treble reproduction of an audio signal
A method for influencing, e.g., for decreasing, the treble reproduction of an audio signal for reproduction obtained from a received signal, the received field strength and reception quality of the...
|
|
|
7315730 |
Architecture for a receiver front end having dual output low noise amplifier driving separate pre-selectors coupled to a transformer for single ended output
An architecture for a receiver front end utilizes a dual output low noise amplifier ( 102 ) driving separate, fixed preselectors ( 104, 106 ) coupled to a transformer ( 108 ) to generate a single...
|
|
|
7233780 |
Method and apparatus for performing DC offset cancellation in a receiver
An amplification system for reducing DC offset in an input signal uses a low pass filter to isolate a DC component of the input signal. The system then subtracts the DC component from the input...
|
|
|
7231189 |
Transmit and/or receive channel communication system with switchably coupled multiple filtering components
A communication system includes a front-end multi-throw switch, a back-end multi-throw switch, multiple filters and a switch controller. The front-end multi-throw switch includes front-end throws...
|
|
|
7228110 |
Low cost high frequency device having compact mounting area, high frequency amplification method, wireless communication device and mobile telephone including low cost and high frequency circuit having compact mounting area
A high frequency device includes a transmission/reception amplifier 13 that amplifies and outputs an input signal, and a transmission/reception switch 2 that gang switches internally so that...
|
|
|
7224726 |
System and method for terrestrial high-definition television reception
An adaptive receiver is disclosed for optimally receiving and processing signals. The receiver utilizes one or more memory blocks to store groups of incoming symbols. The groups of symbols are...
|
|
|
7200377 |
Method and system for multi-channel RF digitization with analog selectivity
A system ( 10 ) and method ( 100 ) for digitizing a complete band of RF channels to allow simultaneous processing of more than one channel. Multiple tunable bandpass filters ( 14 ) are used for the...
|
|
|
7197293 |
Absorbing sum signal energy in a mixer
A frequency mixer that generates out of phase sum signals and uses the out of phase relationship to absorb sum signal energy in an energy absorbing component. A frequency mixer according to the...
|
|
|
7181185 |
Apparatus and method for performing channel estimations using non-linear filter
A channel estimation apparatus for WCDMA mobile communication terminal is disclosed. The channel estimation apparatus includes a moving average filter for calculating the average value of pilot...
|
|
|
7181184 |
Band edge amplitude reduction system and method
A band edge amplitude reduction system changes the filtering characteristics of a receiver based on the amplitude of signal(s) adjacent to an edge of the operating band of the receiver and/or of...
|
|
|
7171162 |
Method and apparatus for frequency estimation using iterative filtering in a GSM communications system
A method of frequency estimation for a GSM communications system is disclosed. First, the a frequency control channel data burst is received and downsampled into a plurality of subsets. Then, the...
|
|
|
7155193 |
Multi-channel filtering system for transceiver architectures
A multi-channel filtering system for use with a transceiver includes a front-end multi-pole, multi-throw switch, a back-end multi-pole, multi-throw switch, and a plurality of filters. The front-end...
|
|
|
7151916 |
Method of receiving a signal and a receiver
A method of, and receiver for, countering distortions in radio channels due to intersymbol interference (ISI) and other non-linearities in a radio link, comprises a first equalizer ( 48 ) using a...
|
|
|
7127226 |
Twin-T dual notch filter
A communication filter circuit useful in a dual-mode receiver comprises a cascade of an active twin-T filter and a passive twin-T filter sections defining sharp notches at the center of second...
|
|
|
7116966 |
Transmitting/receiving filter device and communication device
First and second transmission paths P 1 and P 2 are disposed between a first port # 1 connected to an antenna ANT and a second port # 2 connected to a transceiving circuit 10 . The first...
|
|
|
7072630 |
Adaptive data rate determination for a reverse link communication in a communication system
A method and apparatus for determining the data rate of a reverse link communication of an access terminal includes receiving a reverse activity bit (RAB) from an access point in the communication...
|
|
|
7054606 |
Digitally calibrated narrowband filter with analog channel compensation
An apparatus comprising a first circuit, a second circuit and a third circuit. The first circuit may be configured to filter an analog input signal in an analog domain in response to one or more...
|
|
|
7043026 |
Method for removing AM neighboring interference and a circuit for the same
An AM neighboring interference removing method and circuit is provided which can select only a desired AM modulation wave even if an interference AM modulation wave is partially superposed upon the...
|
|
|
6983136 |
Directly tuned filter and method of directly tuning a filter
A Method for filter tuning using direct digital sub-sampling is provided. The tuning is accomplished in the digital domain by determining the filter characteristics from the shape of the transfer...
|
|
|
6975847 |
Filtering of a receive frequency band
The invention relates to the filtering of a subfrequency band out of a receive frequency band, in which a carrier frequency for prefiltering the receive frequency band and an intermediate frequency...
|
|
|
6968172 |
DC offset cancel circuit
This invention is applied to dual mode provided receiver capable of coinciding with both TDMA system and the non-TDMA system so as to provide a DC offset cancel circuit preferable for each...
|
|
|
6959206 |
Dual-duplexed, tower-top front-end for a radio transceiver system
A system handles both reception signals collected via an antenna and transmission signals generated by a communication station for transmission via the antenna. The system includes a cryostat, a...
|
|
|
6957054 |
Radio receiver having a variable bandwidth IF filter and method therefor
A radio receiver ( 100 ) has an IF (intermediate frequency) filter ( 200 ) for automatically adjusting its intermediate frequency. The filter ( 200 ) includes a filter bank ( 304 ), an accumulative...
|
|
|
6957052 |
Transmission system, receiver, circuit, and method for removing interference components in a signal
The transmission system according to the invention comprises a transmitter ( 10 ) and a receiver ( 12 ). The transmitter ( 10 ) can transmit a signal ( 11 ) to the receiver ( 12 ). The receiver (...
|
|
|
6947718 |
Deviation compensation apparatus
A compensating part compensates for deviations on transmission paths, and a pre-deviation signal combining part or a post-deviation signal combining part combines signals on the transmission paths...
|
|
|
6944245 |
Multi-pass interference reduction in a GSM communication system
An iterative method (400) and apparatus (200) for a receiver for reducing interference in a desired signal in a GSM communication system that use a finite-impulse-response filter combined with...
|
|
|
6937871 |
Anti-demodulator circuit, filtering device and demodulator circuit
The invention relates to an anti-demodulator circuit which is fundamentally built up in the same way as a demodulator circuit but, instead of a bandpass filter as generally used in a demodulator,...
|
|
|
6922554 |
Method for implementing a transceiver and a transceiver
The invention relates to a method for implementing a transceiver, in which method radio-frequency signals are transmitted and received with a transceiver for communicating information. A...
|
|
|
6898419 |
Remotely adjustable bandpass filter
Remotely controllable actuators are provided to alter the cavity size of bandpass cavity filters to alter the bandpass characteristics. In one embodiment, a stepper motor is used to provide lateral...
|
|
|
6895238 |
Method for providing entertainment to a portable device
A unique method for providing entertainment to a portable device, such as a wireless communication device, is disclosed. The method includes steps of receiving location information related to said...
|
|
|
6885855 |
High frequency amplification circuit
An amplification circuit for a wireless base station is provided. The amplification circuit includes a first port adapted to communicate signals to and from an antenna and a second port adapted to...
|
|
|
6885752 |
Hearing aid device incorporating signal processing techniques
A hearing compensation system for the hearing impaired comprises a plurality of bandpass filters having an input connected to an input transducer and each bandpass filter having an output connected...
|
|
|
6862316 |
Spatial and temporal equalizer and equalization method
Outputs from respective elements of an array antenna 21 are demodulated, and the demodulated outputs are stored in storage means 29 . The demodulated outputs are multiplied by tap coefficients...
|
|
|
6807405 |
Method and a device for maintaining the performance quality of a code-division multiple access system in the presence of narrow band interference
A method and device which dynamically detects, tracks and filters interfering signals with sufficient speed (i.e. within one IS-95 CDMA data. frame period, or 20 ms) and fidelity to eliminate or...
|