| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 03/19/2008 | CN100376079C Automatic gain control circuit |
| 03/18/2008 | US7346173 Method and circuit assemblage for influencing the treble reproduction of an audio signal |
| 03/18/2008 | US7345547 Bias circuit for BJT amplifier |
| 03/18/2008 | US7345546 Amplifier circuit and input circuit |
| 03/18/2008 | US7345538 Measuring circuit for the output of a power amplifier and a power amplifier comprising the measuring circuit |
| 03/18/2008 | US7345536 Amplifier circuit and control method thereof |
| 03/13/2008 | WO2008031073A1 Gain adjustment for programmable gain amplifiers |
| 03/13/2008 | WO2008029114A1 Digital gain control |
| 03/13/2008 | US20080063219 Controlling audio output of a mobile terminal |
| 03/13/2008 | US20080061875 System and method for power amplifier output power control |
| 03/13/2008 | US20080061874 System and method for power amplifier output power control |
| 03/12/2008 | EP1897219A1 Receiver having digital automatic gain control |
| 03/12/2008 | CN201036243Y Automatic gain control voltage receiving apparatus |
| 03/12/2008 | CN101141118A Acoustics volume automatic controller along with environmental noise size for automobile |
| 03/12/2008 | CN100375473C Method of reconstructing data transmitted over a transmission path in a receiver and corresponding device |
| 03/11/2008 | US7343019 Streaming normalization |
| 03/11/2008 | US7342614 Methods and apparatus for tuning signals |
| 03/11/2008 | US7342454 Analog multistage amplification circuit in the field of sensor |
| 03/11/2008 | US7342445 Radio frequency power amplifier circuit and method |
| 03/11/2008 | US7342442 Variable gain amplifying apparatus and wireless communication apparatus |
| 03/11/2008 | US7341648 Method for coating piston rings for internal combustion engine |
| 03/06/2008 | WO2008027077A1 Volume control circuits for use in electronic devices and related methods and electronic devices |
| 03/06/2008 | WO2008026528A1 Transconductance amplifier |
| 03/06/2008 | US20080058037 Method and System of Managing Volume and Functionality Control Between an Audio Player and Wireless Earphones |
| 03/06/2008 | US20080056732 Receiving Circuit and Optical Signal Receiving Circuit |
| 03/06/2008 | US20080056504 Dynamic Range Control Of An Audio Signal And Method Of Its Operation |
| 03/06/2008 | US20080055005 Feedback-type variable gain amplifier and method of controlling the same |
| 03/06/2008 | US20080055002 Amplifier with variable impedance transformation and method of amplification using the same |
| 03/05/2008 | EP1895657A1 Receiver and amplification-gain controlling device thereof |
| 03/05/2008 | EP1894301A1 Circuit and method for automatic gain control |
| 03/05/2008 | EP1430598B1 Dynamic biasing of a transmitter |
| 03/05/2008 | EP1173923B1 Differential pair provided with degeneration means for degenerating a transconductance of the differential pair |
| 03/05/2008 | CN101138152A Speech output control device and recording medium recorded with speech output control programs |
| 03/05/2008 | CN101136642A Self-calibrating direct conversion transmitter with converting/steering device |
| 03/05/2008 | CN100373464C Gain adjustment method, gain adjustment circuit, and optical disc device having same gain adjustment circuit |
| 03/04/2008 | US7340272 Mobile communication terminal having a three-dimensional surround sound effect and its control method |
| 03/04/2008 | US7340225 Method for monitoring an RF power amplifier, and an RF device, a monitoring device, and an MR system corresponding thereto |
| 03/04/2008 | US7340070 Voice-data processing circuit and voice-data processing method |
| 03/04/2008 | US7340069 System and method for split automatic gain control |
| 03/04/2008 | US7339435 Amplifier and device having amplifier, and mutual conductance control method |
| 03/04/2008 | US7339434 Linear-in-dB variable gain amplifier using geometric ladder circuit |
| 03/04/2008 | US7339426 High efficiency linear amplifier employing dynamically controlled back off |
| 03/04/2008 | US7339154 Level detector |
| 02/28/2008 | WO2008023530A1 Transconductance amplifier |
| 02/28/2008 | US20080048878 Method and Device for a Touchless Interface |
| 02/28/2008 | US20080048781 Circuit arrangement and method for setting an analog output signal |
| 02/28/2008 | US20080048775 Auto gain control circuit |
| 02/27/2008 | EP1892830A1 Radio signal receiver and gain control method thereof |
| 02/27/2008 | EP1512237B1 Method and system for all digital gain control |
| 02/27/2008 | CN101133678A Method and apparatus for ambient sound therapy user interface and control system |
| 02/27/2008 | CN101133552A Method and apparatus for multichannel signal limiting |
| 02/27/2008 | CN101132209A Apparatus and method for automatic gain control |
| 02/27/2008 | CN101132183A Receiver and amplification-gain controlling device thereof |
| 02/27/2008 | CN101131685A Method for automatically adjusting play sound volume of electronic device |
| 02/26/2008 | US7337111 Use of voice-to-remaining audio (VRA) in consumer applications |
| 02/26/2008 | US7337026 Digital audio volume control |
| 02/26/2008 | US7336935 Dynamic power control circuit of wireless communication device |
| 02/26/2008 | US7336934 Transmission modulation apparatus |
| 02/26/2008 | US7336751 Power control circuit and radio transmission apparatus |
| 02/26/2008 | US7336132 High-frequency power amplifier circuit and electronic part for communication |
| 02/26/2008 | US7336131 Gigabit ethernet transceiver with analog front end |
| 02/26/2008 | US7336130 Attenuator, variable gain amplifier using the same, and electronic equipment |
| 02/21/2008 | WO2008020472A1 Image pickup apparatus and amplifier apparatus |
| 02/21/2008 | WO2008019601A1 Receiver and receiving wireless signal method |
| 02/21/2008 | US20080045165 Method and apparatus for controlling a TX power amplifier |
| 02/21/2008 | US20080044039 Audio signal processing method and related device |
| 02/21/2008 | US20080043887 Combined discrete automatic gain control (agc) and dc estimation |
| 02/21/2008 | US20080042750 Apparatus and method for regulating the output power of an amplifier stage |
| 02/20/2008 | EP1889258A1 Adapted audio response |
| 02/20/2008 | CN101127512A Linear-in-decibel current generator and related changeable gain amplifier |
| 02/20/2008 | CN101127511A A self-adapted automatic adjusting method and its module for low noise amplifier |
| 02/20/2008 | CN100370694C Method and system for reducing noise in a multi-carrier signal |
| 02/20/2008 | CN100370516C Input sound processor |
| 02/19/2008 | US7333784 Method and apparatus for compensating code channel power in a transmitter |
| 02/19/2008 | US7333782 Automatic gain controller for achieving high signal-to-noise ratio and low power loss, and a transmitting apparatus and method for use with a mobile communication terminal having the automatic gain controller |
| 02/19/2008 | US7333623 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 |
| 02/19/2008 | US7333619 Fast wavelet estimation of weak bio-signals using novel algorithms for generating multiple additional data frames |
| 02/19/2008 | US7333618 Ambient noise sound level compensation |
| 02/19/2008 | US7333574 Integrated circuit |
| 02/19/2008 | US7333567 Digital detector utilizable in providing closed-loop gain control in a transmitter |
| 02/19/2008 | US7333564 High frequency power amplifier circuit |
| 02/19/2008 | US7332966 High frequency power amplifier circuit |
| 02/19/2008 | US7332964 Gain-step transconductor |
| 02/14/2008 | WO2008019286A2 System and method for low delay corrective feedback power amplifier control |
| 02/14/2008 | WO2008019285A2 Low distortion radio frequency (rf) limiter |
| 02/14/2008 | WO2007130843A3 Modulation dependent automatic gain control |
| 02/14/2008 | WO2007103044A3 Evaporative light scattering detector |
| 02/14/2008 | US20080039964 Using a loudness-level-reference segment of audio to normalize relative audio levels among different audio files when combining content of the audio files |
| 02/14/2008 | US20080039033 Method and apparatus for controlling a TX power amplifier |
| 02/14/2008 | US20080037799 Apparatus and method of equalizing a room parameter in an audio system using an acoustic transducer array |
| 02/14/2008 | US20080036540 Amplifier arrangement and method for amplifying a signal |
| 02/14/2008 | US20080036534 Power amplifier circuit having a bias signal inputted into input terminal and method thereof |
| 02/14/2008 | DE19802103B4 Verfahren und Schaltung zum Steuern der RF-Leistung eines Funksignals A method and circuit for controlling the RF power of a radio signal |
| 02/14/2008 | DE19713099B4 Verstärkerschaltung für einen Sender Amplifier circuit for a transmitter |
| 02/13/2008 | EP1886313A1 Processing an information carrying signal for automatic gain conrtol |
| 02/13/2008 | EP1652020B1 A control circuit for diode based rf circuits |
| 02/13/2008 | CN101123419A Automatic control method for RF amplifier gain based on varying electrical bridge principle |
| 02/12/2008 | US7330769 Parameterized interactive control of multiple wave table sound generation for video games and other applications |
| 02/12/2008 | US7330708 Tuning circuit with amplitude attenuation function and integrated circuit for radio communication apparatus |
| 02/12/2008 | US7330706 Method and system for power control in radio transmitters |