| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 01/11/2005 | US6842072 Power gain reduction circuit for power amplifiers |
| 01/06/2005 | WO2005002242A2 Examiner |
| 01/06/2005 | WO2005002074A1 Method and system for continuously compensating for phase variations introduced into a communication signal by automatic gain control adjustments |
| 01/06/2005 | WO2005002042A2 Integrated power amplifier circuit |
| 01/06/2005 | WO2004086638A3 Method for calibration of a signal receiver |
| 01/06/2005 | WO2004080035A3 Transceiver power detection architecture |
| 01/06/2005 | WO2003036896A9 Multi-mode communications transmitter |
| 01/06/2005 | US20050005296 NxM crosspoint switch with band translation |
| 01/06/2005 | US20050004796 Audibility enhancement |
| 01/06/2005 | US20050003786 Carrier detecting circuit and infrared communication device using same |
| 01/06/2005 | US20050003784 Attenuator and portable telephone terminal apparatus using the same |
| 01/06/2005 | US20050003783 Automatic gain control circuit and an rf receiver and method using such a circuit |
| 01/06/2005 | US20050002478 Method, apparatus and system for use in determining pilot-to-data power ratio in wireless communication |
| 01/06/2005 | US20050001685 High frequency amplifier circuit and mobile communication terminal using the same |
| 01/06/2005 | US20050001158 Method for determining the signal strength at the input of a tuner |
| 01/06/2005 | CA2531013A1 Integrated power amplifier circuit |
| 01/06/2005 | CA2528455A1 Method and system for compensating for phase offset of an amplifier |
| 01/06/2005 | CA2528338A1 Method and system for continuously compensating for phase variations introduced into a communication signal by automatic gain control adjustments |
| 01/05/2005 | EP1494361A1 Communication apparatus |
| 01/05/2005 | EP1494352A1 Attenuator and portable telephone terminal apparatus using the same |
| 01/05/2005 | EP1494350A2 High frequency amplifier circuit and mobile communication terminal using the same |
| 01/05/2005 | EP1476942A4 Apparatus and method for controlling adaptive circuits |
| 01/05/2005 | EP1066688A4 A decoder having a gain controller in a mobile communication system |
| 01/05/2005 | CN1183698C Radio-frequency amplifer equipment, radio transceiver station and its transmitting method |
| 01/05/2005 | CN1183663C 高频放大器 High-frequency amplifier |
| 01/05/2005 | CN1183662C Method and arrangement for regulating the power of a transimit amplifier |
| 01/05/2005 | CN1183660C Integrated free plate automatic calibration of low distortion amplifier |
| 01/04/2005 | US6839440 Method for controlling voice level and level-controlling device |
| 01/04/2005 | US6838938 Communication system and arrangements comprising such a communication system |
| 01/04/2005 | US6838937 Method and system for implementing autonomous automatic gain control in a low noise broadband distribution amplifier |
| 01/04/2005 | US6838933 Low noise amplifier with fixed loss bypass |
| 01/04/2005 | US6838932 Power amplifier capable of adjusting operating point |
| 01/04/2005 | US6838931 Power amplifier circuit and method using bandlimited signal component estimates |
| 01/04/2005 | CA2370744C Multimode fast attack automatic gain control (agc) loop for narrow band receivers |
| 12/30/2004 | US20040266470 Power control in a communications system |
| 12/30/2004 | US20040266381 Method and apparatus for DC offset control |
| 12/30/2004 | US20040266373 Method and apparatus to control gain of a channel signal |
| 12/30/2004 | US20040266371 Transmitter rf power control |
| 12/30/2004 | US20040266355 Method for eliminating irritating noise at the end of communication for a walkie talkie |
| 12/30/2004 | US20040264715 Method and apparatus for playback of audio files |
| 12/30/2004 | US20040264714 Method and apparatus for audio normalization |
| 12/30/2004 | US20040264608 Communication semiconductor integrated circuit, radio communication system, and adjustment method of gain and offset |
| 12/30/2004 | US20040264392 Time division multiplexing connection transceiver and its receiving automatic gain control method |
| 12/30/2004 | US20040264328 Optical signal converter and method of controlling amplification gain according to rotating speed of optical disc |
| 12/30/2004 | US20040263254 High frequency power amplifier circuit and radio communication system |
| 12/30/2004 | DE10324964A1 Volume control for car radio receiver, has device for storing volume variables in relation to programs transmitting RF signals |
| 12/29/2004 | WO2004114653A1 Receiver for receiving radio frequency signals |
| 12/29/2004 | WO2004114517A1 Power amplification device |
| 12/29/2004 | EP1492314A2 System and Method of controlling a speaker volume for a mobile terminal |
| 12/29/2004 | EP1491068A1 Method for dynamic determination of time constants, method for level detection, method for compressing an electric audio signal and hearing aid, wherein the method for compression is used |
| 12/29/2004 | EP1490966A2 Adjustable gain control system and method thereof |
| 12/29/2004 | CN1558403A Optical signal converter and method of controlling amplification gain according to rotating speed of optical disc |
| 12/28/2004 | US6836647 Device and method for CDMA-signal power estimation |
| 12/28/2004 | US6836519 Automatic digital scaling for digital communication systems |
| 12/28/2004 | US6836187 RF peak-to-peak detector with wide dynamic range |
| 12/28/2004 | US6836184 Network amplifier with microprocessor control |
| 12/28/2004 | CA2308544C Click free mute switch circuit for telephones |
| 12/28/2004 | CA2239888C Data comparison agc system for vsb receiver |
| 12/23/2004 | WO2004112425A1 Audio amplifier with local interface system |
| 12/23/2004 | WO2004112384A2 Digital broadcast receiver |
| 12/23/2004 | WO2004112261A2 Control system with selective open-loop operation |
| 12/23/2004 | US20040260416 Audio amplifier local interface system |
| 12/23/2004 | US20040259516 Apparatus and method of controlling a low noise amplifier of a receiver |
| 12/23/2004 | US20040259513 Apparatus and method for automatically controlling speaker volume for a mobile terminal |
| 12/23/2004 | US20040259511 Automatic gain control and antenna selection method for a radio communication system |
| 12/23/2004 | US20040259510 Telecommunications receiver with automatic gain control |
| 12/23/2004 | US20040258257 Automatic power foldback for audio applications |
| 12/23/2004 | US20040257161 Arrangement for saving energy in transmitter |
| 12/23/2004 | US20040257144 Variable resistance circuit |
| 12/23/2004 | DE10321625A1 Signal transfer device for transfer of signals in opposite directions along parallel transfer paths, has signal processing units with associated auxiliary signal processing units for each path and a common regulating unit |
| 12/22/2004 | EP1489755A1 Method of controlling transmission power and subscriber equipment |
| 12/22/2004 | EP1488512A1 Gain control for communications device |
| 12/22/2004 | EP1123579B1 Data transfer in fixed-site radio transceiver station with power supply current modulation |
| 12/22/2004 | EP1064722B1 Buffer circuit |
| 12/22/2004 | EP0759230B1 Cmos programmable resistor-based transconductor |
| 12/21/2004 | US6834185 Radio receiver and radio receiving method |
| 12/16/2004 | WO2004109909A1 Automatic gain control system |
| 12/16/2004 | WO2004093313A3 Front-end sensitivity booster |
| 12/16/2004 | WO2004084460A3 Enhanced automatic gain control mechanism for timeslotted data transmissions |
| 12/16/2004 | WO2004068704A3 Method for controlling power for a mobile communications terminal |
| 12/16/2004 | US20040253936 Power-controlled transmitter arrangement |
| 12/16/2004 | US20040252848 Method of processing sound signal using a communication device |
| 12/16/2004 | DE202004015783U1 Time signal receiver forms part of a of a parameter control loop together with digital signal decoder to which it is connected so that the outputs of the digital signal decoder are used to regulate the parameters of the receiver |
| 12/15/2004 | EP1486055A1 Automatic adjustments of audio alert characteristics of an alert device using ambient noise levels |
| 12/15/2004 | EP1485993A1 R.f. output power control |
| 12/15/2004 | EP1228571B1 Method for reducing reception interferences, especially multiway reception interferences, for receiving a radio signal and circuit for carrying out this method |
| 12/15/2004 | CN1555601A Db-linear variable gain amplifier (vga) stage with a high broad band |
| 12/15/2004 | CN1180590C Multimode fast attack automatic gain control (AGC) loop for narrow band receivers |
| 12/14/2004 | US6831957 System and method of dual mode automatic gain control for a digital radio receiver |
| 12/09/2004 | WO2004107574A1 Channel selector with automatic gain control |
| 12/09/2004 | WO2004107567A1 Optical control phased array antenna |
| 12/09/2004 | US20040248607 Radio transmission device and radio transmission method |
| 12/09/2004 | US20040248536 Receiving circuit having improved distortion characteristics |
| 12/09/2004 | US20040248528 Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier |
| 12/09/2004 | US20040247110 Methods and apparatus for improving voice quality in an environment with noise |
| 12/09/2004 | US20040247057 Automatic gain control apparatus with short settling time |
| 12/09/2004 | US20040247056 Method and system for compensating for phase variations intermittently introduced into communication signals by enabling or disabling an amplifier |
| 12/09/2004 | US20040246056 Radio frequency variable gain amplifier with linearity insensitive to gain |
| 12/09/2004 | US20040246050 Transmission circuit capable of efficiently operating a power amplifier |
| 12/09/2004 | US20040246041 Feedback control system and method |