| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
|---|
| 08/09/2011 | US7994855 Amplifier arrangement |
| 08/09/2011 | CA2482223C Automotive audio controller with vibration sensor |
| 08/04/2011 | WO2010138091A4 Electronic potentiometer |
| 08/04/2011 | US20110188674 Television system and channel selecting method and volume control method |
| 08/04/2011 | US20110188663 Artificial engine sound generator |
| 08/04/2011 | US20110187452 Sound and music playback device |
| 08/04/2011 | DE102010006285A1 Motor vehicle audio system, has control unit connected with amplifier and detector for calculating amplified signal of sound detector with preset sound level of speakers and determining amplification factor according to preset sound level |
| 08/03/2011 | EP2352225A1 Audio signal adjustment device and audio signal adjustment method |
| 08/03/2011 | EP2352148A1 Noise gate, sound collection device, and noise removal method |
| 08/03/2011 | EP2351216A1 A circuit comprising at least a first transistor group and a second transistor group |
| 08/03/2011 | EP2351211A2 Power amplifier saturation detection |
| 08/03/2011 | CN102142822A Track and hold circuit, and receiving device |
| 08/03/2011 | CN102142815A Class-D-based multi-power supply switching modulation method and circuit |
| 08/03/2011 | CN101079603B Multipatch amplifier for decreasing total power output and circuit device with the same |
| 08/02/2011 | US7990221 Detector circuit and system for a wireless communication |
| 08/02/2011 | US7990214 Power supply providing ultrafast modulation of output voltage |
| 08/02/2011 | CA2616323C Input drive control for switcher regulated power amplifier modules |
| 07/28/2011 | WO2011091250A1 Automatic gain control in radio frequency receivers |
| 07/28/2011 | WO2011068449A9 Detection of radio signals in a receiver |
| 07/28/2011 | WO2011034706A3 Volume adjustment based on listener position |
| 07/28/2011 | US20110182442 Combination line or microphone input circuitry |
| 07/28/2011 | US20110182441 Interaction of sound, silent and mute modes in an electronic device |
| 07/28/2011 | US20110181789 Volume adjustment device and volume adjustment method |
| 07/28/2011 | US20110181364 Biasing methods and devices for power amplifiers |
| 07/28/2011 | US20110181362 Signal processing circuit |
| 07/28/2011 | US20110181361 Instrumentation amplifier calibration method, system and apparatus |
| 07/28/2011 | US20110181354 Reception device and electronic device using the same |
| 07/28/2011 | US20110181271 Peaking circuit, peaking circuit control method, waveform measurement apparatus, and information processing apparatus |
| 07/27/2011 | EP2347516A2 Apparatus and method for automatically controlling gain in a portable communication system |
| 07/27/2011 | EP1884036B1 Method and apparatus for controlling spurious transmissions in a communications system |
| 07/27/2011 | EP1040728B1 Peak to peak signal detector for audio system |
| 07/27/2011 | CN102136273A Audio processing device and method of electronic equipment |
| 07/27/2011 | CN101625264B Super-large length distributed optical fiber sensing optical receiver |
| 07/27/2011 | CN101138152B Speech output control device and method |
| 07/26/2011 | US7986802 Portable electronic device and personal hands-free accessory with audio disable |
| 07/26/2011 | US7986798 Signal generating module |
| 07/26/2011 | US7986797 Signal processing system, signal processing apparatus and method, recording medium, and program |
| 07/21/2011 | WO2011087957A1 Methods and apparatus for variable solid state-to-tube rectification in an amplifier |
| 07/21/2011 | WO2011087149A1 Amplification device with automatic gain control, automatic gain control device, and automatic gain control method |
| 07/21/2011 | WO2011085741A1 Electronic device and integrated circuit comprising a gain control module and method therefor |
| 07/21/2011 | US20110178852 Advanced Voting System and Method |
| 07/20/2011 | EP2346164A2 Amplification apparatus |
| 07/20/2011 | CN201904765U Analog-to-digital double loop control ALC circuit |
| 07/20/2011 | CN1875594B Dual mode multi-slot EGPRS transmitter |
| 07/20/2011 | CN1855704B Method for automatic volume regulation of electronic device |
| 07/20/2011 | CN1658497B Method and apparatus for improving power amplifier efficiency in wireless communication systems |
| 07/20/2011 | CN102130660A Low noise binary-coded gain amplifier and method for time-gain compensation in medical ultrasound imaging |
| 07/20/2011 | CN101552592B CMOS current automatic control crystal oscillator |
| 07/20/2011 | CN101257319B Complete digital logarithm automatic gain control device and method |
| 07/19/2011 | USRE42558 Joint adaptive optimization of soft decision device and feedback equalizer |
| 07/19/2011 | US7983430 System for hierarchical audio conflict control |
| 07/19/2011 | US7982541 AGC circuit |
| 07/19/2011 | US7982540 Integrated circuit arrangement for generating a digital variable gain control signal |
| 07/19/2011 | US7982539 High resolution variable gain control |
| 07/19/2011 | US7982301 Semiconductor device |
| 07/19/2011 | CA2590963C Optical transmission system, optical receiver, and its gain adjustment method |
| 07/14/2011 | WO2011063095A4 Analog bias control for packet communication systems |
| 07/14/2011 | US20110170713 Amplification apparatus |
| 07/14/2011 | US20110169721 Upstream signal processing for client devices in a small-cell wireless network |
| 07/14/2011 | US20110169572 Phase-shift amplifier |
| 07/13/2011 | EP2343801A2 Audio apparatus |
| 07/13/2011 | EP2343572A1 Device for detecting impulse signals with improved sensitivity |
| 07/13/2011 | EP2343502A1 Methods, device and systems for delivery of navigational notifications |
| 07/13/2011 | CN201898483U USW signal gain controller |
| 07/13/2011 | CN201898482U Variable gain audio signal branching unit circuit |
| 07/13/2011 | CN201898481U Audio driving device and mobile terminal |
| 07/13/2011 | CN102122928A Automobile horn control device |
| 07/13/2011 | CN102122927A Volume control circuit and method thereof |
| 07/13/2011 | CN101325407B Amplifier |
| 07/13/2011 | CN101026905B Signal transmission device and method |
| 07/12/2011 | US7979147 Engine sound replication device |
| 07/12/2011 | US7978011 Systems and methods for mitigating distortion in single-ended amplifiers |
| 07/12/2011 | US7978008 Supply voltage control device for amplifier |
| 07/07/2011 | WO2011081582A1 Method and apparatus relating to signal control |
| 07/07/2011 | WO2011079887A1 Method for controlling the transmission power of a transmitter system integrated in an electronic housing of a motor vehicle, and electronic housing thus obtained |
| 07/07/2011 | US20110164855 Upstream quality enhancement signal processing for resource constrained client devices |
| 07/07/2011 | US20110164763 Audio and video recording and reproduction apparatus for reproducing audio signals having different volume levels |
| 07/07/2011 | US20110164754 Loudspeaker Device |
| 07/07/2011 | DE102010040965A1 Zum Betrieb mit niedriger Zwischenfrequenz oder einer Nullzwischenfrequenz geeigneter Signalprozessor For operation with low intermediate frequency or a zero intermediate frequency suitable signal processor |
| 07/06/2011 | EP2341366A1 Device for detecting impulse signals including a function for detecting signal garbling |
| 07/06/2011 | CN102118668A Loudspeaker system and loudspeaker driving circuit |
| 07/06/2011 | CN102118666A Device for automatically adjusting volume of audio equipment according to frequency of outside sound |
| 07/06/2011 | CN102118135A Signal automatic gain adjusting method and device using same |
| 07/05/2011 | US7974421 Audio signal processing method and related device |
| 07/05/2011 | US7974337 High speed receive equalizer architecture |
| 07/05/2011 | US7973603 Low-noise amplifier suitable for use in a television receiver |
| 07/05/2011 | US7973599 Amplification control device, test signal generation module, test device, amplification control method, program, and recording medium |
| 06/30/2011 | WO2011079147A1 Systems and methods providing frequency-domain automatic gain control (agc) |
| 06/30/2011 | US20110158434 Information processing apparatus |
| 06/30/2011 | US20110158433 Speaker system and speaker driving circuit |
| 06/30/2011 | US20110158432 Audio Volume Control Circuit and Method Thereof |
| 06/30/2011 | US20110158431 Electronic Apparatus |
| 06/30/2011 | US20110158430 Methods for voice communication through personal emergency response system |
| 06/30/2011 | US20110158413 Apparatus and method for a complete audio signal |
| 06/30/2011 | US20110156813 Power amplifier |
| 06/30/2011 | DE102004064132B4 Electrical storage device module e.g. for battery has controllable switch for interrupting power supply from battery, on detecting that battery current fluctuation falls below predetermined value over predetermined time |
| 06/29/2011 | EP2338233A1 Ir receiver unit |
| 06/29/2011 | EP1544996B1 Volume adjustment device, digital amplifier, and digital signal reproducing device |
| 06/29/2011 | CN102113211A Systems and methods for adjusting gain of receiver through gain tuning network |
| 06/29/2011 | CN102113210A Joint time-frequency automatic gain control for wireless communication |