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Class Information
Number: 375/316
Name: Pulse or digital communications > Receivers
Description: Subject matter including apparatus to decode, demodulate, or otherwise recover the transmitted intelligence.


Sub-classes under this class:

Class Number Class Name Patents
375/320 Amplitude modulation 103
375/322 Angle modulation 165
375/317 Automatic baseline or threshold adjustment 371
375/344 Automatic frequency control 827
375/345 Automatic gain control 829
375/346 Interference or noise reduction 1,607
375/338 Interrupted carrier wave 14
375/340 Particular pulse demodulator or detector 1,521
375/352 With electromagnetic relay or solenoid 13


Patents under this class:
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Patent Number Title Of Patent Date Issued
6865216 Frequency hopping spread spectrum modulation and direct sequence spread spectrum modulation cordless telephone Mar. 8, 2005
6862322 Switchable-bandwidth optical receiver Mar. 1, 2005
6862323 Low pass filters for high dynamic range wideband direct conversion receiver Mar. 1, 2005
6856648 Method and apparatus for equalizer updating and sampling rate control Feb. 15, 2005
6856794 Monolithic GPS RF front end integrated circuit Feb. 15, 2005
6853686 Frame formatting technique Feb. 8, 2005
6853693 Method and apparatus for gain normalization of a correlation demodulator Feb. 8, 2005
6853835 Asymmetric wireless communication system using two different radio technologies Feb. 8, 2005
6847807 Transmission circuit and radio transmission apparatus Jan. 25, 2005
6844841 Radio frequency link performance tool process and system Jan. 18, 2005
6845136 Method to synchronize data and a transistor and a receiver realizing said method Jan. 18, 2005
6845230 System and method for a push-pull gateway-directed digital receiver Jan. 18, 2005
6839387 Self-dithering sigma-delta converter and communication device incorporating same Jan. 4, 2005
6836290 Combined single-ended and differential signaling interface Dec. 28, 2004
6836519 Automatic digital scaling for digital communication systems Dec. 28, 2004
6834077 System and method for testing a modem Dec. 21, 2004
6834085 Low power signal detection for autonegotiation Dec. 21, 2004
6834086 Demodulator and method for second harmonic cancellation Dec. 21, 2004
6834087 Delay lock loop circuit, and associated method, for a radio receiver Dec. 21, 2004
6831592 Near-vertical incidence HF radar Dec. 14, 2004
6831945 Method and apparatus for remote identification of transmission channel interference Dec. 14, 2004
6829310 Method of high and low bit rate transmission on the command link of a satellite Dec. 7, 2004
6829469 Method and a device for producing a signal Dec. 7, 2004
6826243 Circuit arrangement for the processing of binary signals Nov. 30, 2004
6819706 Control device for controlling power level between frequency assignment in radio frequency receiving device of mobile radio communication base station system in CDMA system Nov. 16, 2004
6819711 Communication channel quality indicator Nov. 16, 2004
6819723 Digital FM demodulator with reduced quantization noise Nov. 16, 2004
6816540 AFC control apparatus and method in mobile communication system and mobile communication equipment using the apparatus and method Nov. 9, 2004
6816558 Channel impulse response estimation using received signal variance Nov. 9, 2004
6813320 Wireless telecommunications multi-carrier receiver architecture Nov. 2, 2004
6813323 Decoding method and communication terminal apparatus Nov. 2, 2004
6810091 Digital data deinterleaver Oct. 26, 2004
6810095 Viterbi decoder with reduced number of bits in branch metric calculation processing Oct. 26, 2004
6810266 Digitally controlled radio back-end Oct. 26, 2004
6807233 Sample data transmitting method, receiving method, transmission/reception method and its transmission apparatus, reception apparatus, transmission/reception apparatus Oct. 19, 2004
6807237 Radio apparatus and transmission/reception method Oct. 19, 2004
6803966 Digital TV receiver and method for receiving digital TV signal Oct. 12, 2004
6804306 Stable in-phase/quadrature (I/Q) generator method and apparatus Oct. 12, 2004
6804308 Receiver including frequency down-converter and analog-to-digital converter for a wireless telecommunication system Oct. 12, 2004
6804309 Modulation format identification device and method of same Oct. 12, 2004
6804310 Decision feedback loop apparatus and method for channel estimation and de-rotation using burst pilot bits Oct. 12, 2004
6804466 Optical coding system Oct. 12, 2004
6801583 Multi-carrier receiver including an analog-to-digital converter for a wireless telecommunication system Oct. 5, 2004
6801584 Using a differential signal in adjusting a slice voltage for a single-ended signal Oct. 5, 2004
6798826 Method and apparatus for performing reverse rate matching in a CDMA system Sep. 28, 2004
6798848 Architecture for multi-carrier receiver Sep. 28, 2004
6798849 AM digital audio broadcasting with analog signal pre-compensation Sep. 28, 2004
6798850 Method and arrangement in a radio receiver system with several standards Sep. 28, 2004
6798851 Decoding for a non-linear codec Sep. 28, 2004
6795771 Method and apparatus for correlating a satellite signal with a reference code Sep. 21, 2004

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