| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 08/16/2007 | US20070190960 Direct conversion receiver |
| 08/16/2007 | US20070190949 Transmitter power amplifier ramping method |
| 08/16/2007 | US20070189546 Method of extracting, device for extracting and device for inspecting abnormal sound |
| 08/16/2007 | US20070189544 Ambient sound responsive media player |
| 08/16/2007 | US20070188308 Vehicular indicator audio controlling |
| 08/16/2007 | US20070188236 Automatic gain control with three states of operation |
| 08/16/2007 | US20070188235 Repeater open loop gain measurement |
| 08/16/2007 | US20070188224 CDMA power amplifier design for low and high power modes |
| 08/16/2007 | DE102006005032A1 Empfangsverfahren mit digitaler Pegeleinstellung im Analogteil und stufenweiser Pegelveränderung im Digitalteil Receiving method with digital level adjustment in the analog part and gradual change in level in the digital part |
| 08/16/2007 | DE102005058039B4 Schaltungsanordnung und Verfahren zur Verstärkung eines elektrischen Eingangssignals Circuit arrangement and method for amplifying an electrical input signal |
| 08/15/2007 | EP1394938B1 System including a gain switching circuit and method of switching gain of pre-amplifier |
| 08/15/2007 | CN2935631Y Audio automatic balancing circuit |
| 08/15/2007 | CN1332519C Optical amplifier with gain adjustment |
| 08/15/2007 | CN101019332A Impulse noise correction |
| 08/15/2007 | CN101019314A RF power sensing circuit |
| 08/15/2007 | CN101018077A Power-saving method of the mobile terminal |
| 08/15/2007 | CN101018043A Method for automatic detection of volume adjusting during sound switching |
| 08/14/2007 | US7257385 Wireless communication semiconductor integrated circuit device and wireless communication system |
| 08/14/2007 | US7257383 Method and system for improving dynamic range for communication systems using upstream analog information |
| 08/14/2007 | US7257382 High frequency amplifier circuit permitting variable gain control |
| 08/14/2007 | US7257381 Self-tuned millimeter wave RF transceiver module |
| 08/14/2007 | US7257379 Compensating for analog radio component impairments to relax specifications |
| 08/14/2007 | US7257230 Impulse response collecting method, sound effect adding apparatus, and recording medium |
| 08/14/2007 | US7257178 Base band circuit of receiver and low cut-off frequency control method |
| 08/14/2007 | US7257177 Determination of a reference value for automatic gain control of a receiver communicating with a packet switched communication network |
| 08/14/2007 | US7257096 Global system for mobile communication (GSM) and general packet radio service (GPRS) power ramping controller and associated power ramping method |
| 08/14/2007 | US7256653 High-frequency power amplifier and communication apparatus |
| 08/14/2007 | US7256384 Signal-enhancement system for photodetector outputs |
| 08/09/2007 | WO2007087812A1 Audio amplifier with speaker protection against transients |
| 08/09/2007 | US20070183530 Transmission device and radio communication device |
| 08/09/2007 | US20070182525 Method and Apparatus for Selectively Varying Motor Vehicle Sounds |
| 08/09/2007 | US20070182489 System and method for programmably adjusting gain and frequency response in a 10-gigabit ethernet/fibre channel system |
| 08/09/2007 | US20070182487 Differential amplifer and operational amplifier |
| 08/09/2007 | US20070182483 Power amplifier bias protection for depletion mode transistor |
| 08/09/2007 | DE102006005644A1 Verfahren zur frequenzabhängigen Lautstärkenregelung A method for frequency-dependent volume control |
| 08/08/2007 | EP1816891A1 Sound electronic circuit and method for adjusting sound level thereof |
| 08/08/2007 | EP1815475A1 Reproducing information from an information carrier |
| 08/08/2007 | EP1815473A1 Normalizing the loudness of audio recordings |
| 08/08/2007 | EP1512221A4 Power amplifying system with supply and bias enhancements |
| 08/08/2007 | EP1410618A4 Integrated upstream amplifier for cable modems and cable set-top boxes |
| 08/07/2007 | US7254370 Method to maintain stability in a bi-directional amplifier |
| 08/07/2007 | US7254244 Pop and click reduction using DAC power up and power down processing |
| 08/07/2007 | US7254194 Automatic gain control for communication receivers |
| 08/07/2007 | US7253700 Circuit for controlling a linear-in-decibels attenuator circuit using an analog control signal |
| 08/07/2007 | US7253681 Power amplifier with integrated sensors |
| 08/02/2007 | WO2007087639A1 Method and apparatus for achieving linear monotonic output power |
| 08/02/2007 | WO2007085267A2 Auditory perception controlling device and method |
| 08/02/2007 | US20070177744 Automatic volume limiter for portable audio devices |
| 08/02/2007 | US20070177743 Audio level control |
| 08/02/2007 | US20070176684 Waveform equalizer and information reproducing apparatus therewith |
| 08/02/2007 | US20070176683 Variable gain amplifier |
| 08/02/2007 | US20070176682 Receiving circuit, and receiving apparatus and transmitting/receiving apparatus using the receiving circuit |
| 08/02/2007 | US20070176681 Transmission power control device |
| 08/02/2007 | US20070176678 Method And Apparatus For Controlling Adaptive Circuits |
| 08/01/2007 | EP1814109A1 Voice amplification apparatus for modelling the Lombard effect |
| 08/01/2007 | EP1687812B1 System and method for audio signal processing |
| 08/01/2007 | EP1588517B1 Method and apparatus for automatic gain control of a multi-carrier signal in a communication receiver |
| 08/01/2007 | EP1401134B1 Automatic gain control circuit and method and demodulation apparatus |
| 08/01/2007 | EP1017250B1 Sound reproducing device |
| 08/01/2007 | CN101010888A Method and apparatus for dual mode power control |
| 08/01/2007 | CN101009480A Method for controlling a gain of a voice signal and audio system |
| 08/01/2007 | CN101009479A Adjustable gain amplifier with gain adjusting device |
| 07/31/2007 | US7251337 Volume control in movie theaters |
| 07/31/2007 | US7251206 Optical signal converter and method of controlling amplification gain according to rotating speed of optical disc |
| 07/31/2007 | US7250818 RF power amplifier circuit and RF transmitter and terminal including it |
| 07/31/2007 | US7250817 Linear power efficient radio frequency (RF) driver system and method with power level control |
| 07/31/2007 | US7250814 Variable gain amplifier |
| 07/26/2007 | US20070172084 Method of controlling volume of reproducing apparatus and reproducing apparatus using the same |
| 07/26/2007 | US20070172083 Method and apparatus for controlling a gain of a voice signal |
| 07/26/2007 | US20070170992 Apparatus and method to eliminate noise in portable recorder |
| 07/26/2007 | US20070170991 Variable gain circuit |
| 07/26/2007 | US20070170986 Low-consumption voltage regulator |
| 07/26/2007 | DE102006062577A1 Breitbandverstärker und Breitbandkommunikationsempfänger Broadband amplifier and broadband communication receiver |
| 07/26/2007 | DE102006003221A1 Geregelte Empfangsanlage Regulated receiving system |
| 07/25/2007 | EP1811660A1 Method and apparatus for automatically adjusting speaker gain within a mobile telephone |
| 07/25/2007 | EP1811659A1 Amplitude variable driver circuit and testing apparatus |
| 07/25/2007 | EP1810398A1 Method and apparatus for maintaining constant linearity for a power amplifier over varying load conditions |
| 07/25/2007 | CN2927502Y Device for automatically adjusting audio-frequency and volume by environmental noise |
| 07/25/2007 | CN101005284A Automatic gain control apparatus |
| 07/25/2007 | CN101005237A Current sense amplifier for voltage converter |
| 07/24/2007 | US7248847 System and method for adaptively controlling receiver gain switch points |
| 07/24/2007 | US7248846 Feedforward amplifier and radio communication apparatus with the amplifier |
| 07/24/2007 | US7248845 Variable-loss transmitter and method of operation |
| 07/24/2007 | US7248709 Dynamic volume control |
| 07/24/2007 | US7248702 Sound enhancement system |
| 07/24/2007 | US7248119 Broadband amplifier with improved noise figure and distortion characteristics |
| 07/24/2007 | US7248118 Radio frequency power amplifier module |
| 07/24/2007 | US7248107 Method of controlling a variable gain amplifier and electronic circuit |
| 07/24/2007 | CA2233692C Linearized digital automatic gain control |
| 07/19/2007 | WO2007080715A1 Digital reception device |
| 07/19/2007 | US20070164824 Amplifier |
| 07/19/2007 | US20070164823 Automatic gain control apparatus |
| 07/19/2007 | US20070164822 Phase compensation for analog gain switching in OFDM modulated physical channel |
| 07/18/2007 | EP1808853A1 Public address system, method and computer program to enhance the speech intelligibility of spoken messages |
| 07/18/2007 | EP1807930A2 A signal-enhancement system for photodetector outputs |
| 07/18/2007 | EP1202470B1 Method and Circuit for power control in a mobile telephone |
| 07/18/2007 | CN1327609C Method for controlling amplification of high-frequency signal and corresponding transmiting/receiving cell |
| 07/18/2007 | CN101002383A Gain control for a receiver in a multi-carrier communication system |
| 07/17/2007 | US7245895 Attenuator with switch function and mobile telephone terminal device using the same |
| 07/17/2007 | US7245894 Radio receiver and radio signal processing method with controlling gain |