| Patents for H03G 3 - Gain control in amplifiers or frequency changers (20,162) |
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| 03/05/2015 | US20150065072 Low voltage transmitter |
| 03/05/2015 | US20150065062 Radio-electric inhibitor system for a communication device |
| 03/05/2015 | US20150063615 Gain Control for a Hearing Aid with a Facial Movement Detector |
| 03/05/2015 | US20150063600 Audio signal processing apparatus, method, and program |
| 03/05/2015 | US20150063598 Sound control for network-connected devices |
| 03/05/2015 | US20150063593 Noise and Cross-Talk Attenuation in an Audio System by Offsetting Outputs in Phase |
| 03/05/2015 | US20150063504 Digital Receiver System Activated by RSSI Signal |
| 03/05/2015 | US20150061769 Closed loop control system, and an amplifier in combination with such a closed loop control system |
| 03/05/2015 | US20150061766 Wideband inductor-less balun-lna with improved pickup noise rejection |
| 03/05/2015 | US20150061765 Gain calibration of a high speed amplifier |
| 03/03/2015 | US8972248 Band broadening apparatus and method |
| 03/03/2015 | US8971832 Variable gain amplifier for low voltage applications |
| 03/03/2015 | US8971453 Digital receiver system activated by RSSI signal |
| 03/03/2015 | US8971208 Multi-channel radio-frequency receiver |
| 03/03/2015 | US8970307 Bias current monitor and control mechanism for amplifiers |
| 03/03/2015 | US8970306 Wireless communication device |
| 03/03/2015 | US8970299 RF power amplifier and operating method thereof |
| 03/03/2015 | US8970298 Digitally controlled power supplies for an audio amplifier |
| 02/26/2015 | WO2015026620A1 Independent and concurrent automatic gain control for wireless communication and spectral intelligence |
| 02/26/2015 | US20150055717 Receive attenuation system for trainline communication networks |
| 02/26/2015 | US20150054583 Power amplifier |
| 02/26/2015 | DE112013002394T5 Verstärker mit programmierbarer Verstärkung Programmable gain amplifier |
| 02/24/2015 | USRE45389 Volume control for audio signals |
| 02/24/2015 | US8965756 Automatic equalization of coloration in speech recordings |
| 02/24/2015 | US8965317 RF AGC control |
| 02/24/2015 | US8965007 Personal listening device with self-adjusting sound volume |
| 02/24/2015 | US8965006 De-pop controller and method thereof |
| 02/24/2015 | US8965000 Method and apparatus for applying reverb to a multi-channel audio signal using spatial cue parameters |
| 02/24/2015 | US8964998 System for dynamic spectral correction of audio signals to compensate for ambient noise in the listener's environment |
| 02/24/2015 | US8964997 Adapted audio masking |
| 02/24/2015 | US8964898 Multi-function receiver with switched channelizer having high dynamic range active microwave filters using carbon nanotube electronics |
| 02/24/2015 | US8964716 Estimating signal characteristics |
| 02/24/2015 | US8963644 Reconfigurable output matching network for multiple power mode power amplifiers |
| 02/24/2015 | US8963643 Method and system for providing automatic gate bias and bias sequencing for field effect transistors |
| 02/24/2015 | US8963634 Load current sensing |
| 02/24/2015 | US8963633 Automatic gain control device and method, power adjusting device and radio transmitting system |
| 02/24/2015 | US8963004 Extruded frame structures to house a conductor |
| 02/19/2015 | US20150049882 Audio device and audio utilization method having haptic compensation function |
| 02/19/2015 | US20150049880 Low Delay Real-to-Complex Conversion in Overlapping Filter Banks for Partially Complex Processing |
| 02/19/2015 | US20150048885 Gain control circuit and method capable of easing leakage current influence |
| 02/18/2015 | EP2838087A1 Sound signal output device and sound output system |
| 02/17/2015 | US8958758 Communication apparatus performing automatic gain control and field length selection for a communication frame |
| 02/17/2015 | US8958587 Signal dereverberation using environment information |
| 02/17/2015 | US8958571 MIC covering detection in personal audio devices |
| 02/17/2015 | US8958567 Method and system for split client-server reverberation processing |
| 02/17/2015 | US8958500 Peak-to average power ratio reduction for wireless communication systems |
| 02/17/2015 | US8957728 Combined filter and transconductance amplifier |
| 02/12/2015 | WO2015020783A1 Crest-factor based gain modification |
| 02/12/2015 | WO2015019525A1 Cascode-type transconductance amplifier and variable gain circuit, and tuner system provided with same |
| 02/12/2015 | WO2015019190A2 Systems and methods for noise reduction |
| 02/12/2015 | US20150043754 System and Method for Non-Destructively Normalizing Loudness of Audio Signals within Portable Devices |
| 02/12/2015 | US20150043753 Systems and Methods for Noise Reduction |
| 02/12/2015 | US20150043752 Audio Signal Output Device and Audio Output System |
| 02/12/2015 | US20150043751 Volume Adjustment Based on User-Defined Curve |
| 02/12/2015 | US20150043747 Microphone System and Method |
| 02/12/2015 | US20150043620 Mobile communication terminal |
| 02/12/2015 | US20150042405 Power detection circuit and rf signal amplification circuit having the same |
| 02/11/2015 | EP2834915A1 Determination of envelope shaping and signal path predistortion of an et amplification stage using device characterisation data |
| 02/11/2015 | EP2834914A1 Dynamic characterisation of amplifier using multiple envelope shaping functions |
| 02/11/2015 | CN204156819U 多级低噪声放大器 Multi-stage low noise amplifier |
| 02/11/2015 | CN204156818U 改进型低噪声放大器 Improved low noise amplifier |
| 02/11/2015 | CN104348438A 用于确定关于发射信号的功率变化的信息的装置和方法 Apparatus and method for determining the information about the power variation of the transmitted signal |
| 02/11/2015 | CN104348437A 扩展频谱rfid无源标签并行应答功率控制 Passive rfid tags parallel spread spectrum power control response |
| 02/11/2015 | CN104348436A 一种参数调整方法及电子设备 A parametric adjustment method and electronic equipment |
| 02/11/2015 | CN102843634B 对扬声器输出的控制 Speaker output control |
| 02/10/2015 | US8953820 Method and apparatus for adjusting volume using distance sensors |
| 02/10/2015 | US8952762 Clock-out amplitude calibration scheme to ensure sine-wave clock-out signal |
| 02/10/2015 | US8952757 Amplifiers with enhanced power supply rejection ratio at the output stage |
| 02/10/2015 | US8952755 Power amplifier |
| 02/10/2015 | US8952753 Dynamic power supply employing a linear driver and a switching regulator |
| 02/05/2015 | US20150036838 Loudness level control for audio reception and decoding equipment |
| 02/05/2015 | US20150036836 Mobile Device Headset Interface Module |
| 02/05/2015 | US20150036834 Variable Noise Attenuator with Adjustable Attenuation |
| 02/05/2015 | DE112013002287T5 Verstärker mit programmierbarer Verstärkung mit Gleichtaktabtastung Programmable gain amplifier with common-mode scanning |
| 02/05/2015 | DE102008021415B4 Selbstanpassender nachführender Analog/Digital-Wandler und HF-Sender The self aligning-tracking analog / digital converter, and RF transmitter |
| 02/04/2015 | CN204145709U 耳机提醒器 Headphone reminder |
| 02/04/2015 | CN204145425U 一种能够实现自动增益控制的跨阻放大电路 A way to realize the automatic gain control of the transimpedance amplifier circuit |
| 02/04/2015 | CN204145424U 一种雷达系统超宽带可变增益放大器芯片 Ultra-Wideband Radar System variable gain amplifier chip |
| 02/04/2015 | CN104335601A 具有集成电力、音频信号和控制分配的音频系统 With integrated power, audio signal and control distribution of the audio system |
| 02/04/2015 | CN104333827A 通话耳机及其增益调整方法 Talk headset and gain adjustment method |
| 02/04/2015 | CN102904538B 音频模拟信号的agc增益参数调整方法 Agc audio analog signal gain parameter adjustment method |
| 02/04/2015 | CN102684625B 信号放大系统及其放大方法 Signal amplification system and amplification method |
| 02/04/2015 | CN102498664B 用于媒体流中的数字音频样本的自适应增益控制 Adaptive gain control for the media stream of digital audio samples |
| 02/03/2015 | US8948613 Intensity noise reduction methods and apparatus for interferometric sensing and imaging systems |
| 02/03/2015 | US8948429 Amplification of a speech signal in dependence on the input level |
| 02/03/2015 | US8948418 Noise masking communications apparatus |
| 02/03/2015 | US8948416 Wireless telephone having multiple microphones |
| 02/03/2015 | US8948327 System and method for discrete gain control in hybrid MIMO/RF beamforming |
| 02/03/2015 | US8947164 Integrated technique for enhanced power amplifier forward power detection |
| 02/03/2015 | US8947162 Power control |
| 02/03/2015 | US8947161 Linear amplifier power supply modulation for envelope tracking |
| 01/29/2015 | WO2015010864A1 Automatic timbre, loudness and equalization control |
| 01/29/2015 | US20150030183 Boost converter voltage controlled based on audio signal |
| 01/29/2015 | US20150030180 Post-processing gains for signal enhancement |
| 01/29/2015 | US20150028952 Programmable multi-gain current amplifier |
| 01/28/2015 | EP2829080A1 Audio system with integrated power, audio signal and control distribution |
| 01/28/2015 | CN204131686U 一种无级智能调音耳机 A non-level intelligence tuning headphones |
| 01/28/2015 | CN204131472U 一种局部放电超声前置处理电路 A topical discharge ultrasonic pre-processing circuit |
| 01/28/2015 | CN104320097A 快速稳定的超声波信号自动增益控制装置及其控制方法 Apparatus and control method is fast and stable ultrasonic signal AGC |
| 01/28/2015 | CN104320090A 低噪声放大器的改进结构 Improve the structure of the low-noise amplifier |