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Class Information
Number: 455/232.1
Name: Telecommunications > Receiver or analog modulated signal frequency converter > Local control of receiver operation > Gain control
Description: Subject matter wherein the operating characteristic is the ratio of the output of an amplifier to its input.










Sub-classes under this class:

Class Number Class Name Patents
455/234.1 Automatic 696
455/233.1 With diverse control (tone, etc.) 36


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12

Patent Number Title Of Patent Date Issued
8693593 Methods and apparatus for automatic gain control using samples taken at desired sampling phase and target voltage level Apr. 8, 2014
8681748 Wireless transceivers with filter arrangement for WiFi and WiMAX coexsistence Mar. 25, 2014
8682269 Method, system and apparatus for coupling multiple radio receivers to a receiving antenna Mar. 25, 2014
8682272 Processing signals in a wireless communications environment Mar. 25, 2014
8675078 Test technique for set-top boxes Mar. 18, 2014
8660221 Fast and robust AGC apparatus and method using the same Feb. 25, 2014
8659456 Electronic device and transmitter DC offset calibration method thereof Feb. 25, 2014
8649751 Receiver Feb. 11, 2014
8644773 Multiband low noise amplifier (LNA) with parallel resonant feedback Feb. 4, 2014
8634790 Direct conversion receiver architecture with digital fine resolution variable gain amplification Jan. 21, 2014
8630591 Calibration methods for RF receiver gain ranging systems Jan. 14, 2014
8622313 Near field communications device Jan. 7, 2014
8626098 Automatic gain control with programmable attack and decay times Jan. 7, 2014
8619639 Power detector radio frequency multiplexer Dec. 31, 2013
8619914 Receiver and receiving method for scalable bandwith Dec. 31, 2013
8619927 System and method for discrete gain control in hybrid MIMO/RF beamforming Dec. 31, 2013
8606205 Receiving apparatus and auto gain control method Dec. 10, 2013
8600326 GPS baseband architecture Dec. 3, 2013
8588727 Adaptive linearity communication device Nov. 19, 2013
8582702 Electronic device for receiving a radio-frequency signal Nov. 12, 2013
8571152 Power-saving apparatus used for wireless communication receiver and system, and method using the same Oct. 29, 2013
8565358 Circuits, systems, and methods for managing automatic gain control in quadrature signal paths of a receiver Oct. 22, 2013
8565703 System and method for handling strong signals and blockers in the RF front end Oct. 22, 2013
8554256 Radio base station and communication method Oct. 8, 2013
8553158 Broadcast receiving apparatus, method for setting the same, and program for setting the same Oct. 8, 2013
8538363 Semiconductor integrated circuit and radio receiver Sep. 17, 2013
8526900 Automatic gain control in a wireless communication network Sep. 3, 2013
8521114 PIN-diode linearized automatic gain control circuits Aug. 27, 2013
8514989 Method circuit and system for adapting a receiver receive chain based on detected background noise Aug. 20, 2013
8514991 Method circuit and system for adapting a receiver receive chain based on detected background noise Aug. 20, 2013
8515368 Gain control using a dynamically configurable transformer Aug. 20, 2013
8515374 PLL circuit, and radio communication apparatus equipped with same Aug. 20, 2013
8509722 Frequency drift estimation for low cost outdoor unit frequency conversions and system diagnostics Aug. 13, 2013
8503967 Amplifier and associated receiver Aug. 6, 2013
8498598 RF-demodulator, calibration circuitry and methods for calibrating an RF-demodulator Jul. 30, 2013
8498368 Method and system for optimizing gain changes by identifying modulation type and rate Jul. 30, 2013
8498600 Automatic gain control system with dual-RSSI interference detection for optimization of sensitivity and adjacent channel rejection performance of RF receivers Jul. 30, 2013
8488698 Frame synchronization method and apparatus Jul. 16, 2013
8489035 Radio communication transceiver Jul. 16, 2013
8489052 Variable gain amplifier for low voltage applications Jul. 16, 2013
8478221 Method and apparatus for efficient DC calibration in a direct-conversion system with variable DC gain Jul. 2, 2013
8478220 Discrete time polyphase mixer Jul. 2, 2013
8478199 Signal conditioning device with attenuated fail-safe bypass Jul. 2, 2013
8472898 Power amplifiers with improved efficiency over power control Jun. 25, 2013
8472899 Power control for linear and class AB power amplifiers Jun. 25, 2013
8472906 Systems and methods for recovery of a sub-carrier signal from a stereophonic multiplexed signal Jun. 25, 2013
8463200 Wireless communication apparatus Jun. 11, 2013
8447250 Method and system for an integrated voltage controlled oscillator-based transmitter and on-chip power distribution network May. 21, 2013
8437719 Method and system for multiple tuner application using a low noise broadband distribution amplifier May. 7, 2013
8428201 Receiver gain adjustment Apr. 23, 2013

1 2 3 4 5 6 7 8 9 10 11 12










 
 
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