Patents
Patents for H03G 11 - Limiting amplitude; Limiting rate of change of amplitude (1,563)
09/2006
09/19/2006US7110839 Audio system for minimizing the chance that high power audio signals may be directed to a headphone jack
09/19/2006US7110560 Electret condensor microphone preamplifier that is insensitive to leakage currents at the input
09/14/2006DE102006002019A1 Variable-gain amplifier for regulating audio signals, e.g. for wireless headphones, controls response time based on level or difference in levels
09/06/2006CN1274082C Power control circuit and transmitter
08/2006
08/30/2006EP1696577A2 Amplitude limiting circuit and CDMA communication apparatus
08/22/2006US7095452 Clamp circuit for clamping a digital video signal
08/15/2006US7092536 System for transducer compensation based on ambient conditions
08/08/2006US7088194 Semiconductor integrated circuit device
07/2006
07/19/2006CN1806330A Limiter circuit and semiconductor integrated circuit thereof
07/13/2006WO2006073609A1 Sound pressure level limiter with anti-startle
07/13/2006WO2006072669A1 Clipping of transmission signal
07/11/2006CA2391442C Large current watchdog circuit for a photodetector
07/05/2006CN1263225C Portable radio telephone set
07/04/2006US7071791 Automatic antenna-switching apparatus and system
06/2006
06/29/2006US20060139821 Limiter circuit and semiconductor integrated circuit thereof
06/28/2006EP1090457B9 Linear traveling wave tube amplifier utilizing input drive limiter for optimization
06/15/2006US20060126884 Method and device for cooling ultrasonic transducers
06/14/2006EP1192557B1 Anti-aliased clipping by band-limited modulation with step functions
05/2006
05/30/2006US7054450 Method and system for ensuring audio safety
05/10/2006CN1255942C Power amplifier with out-put power limitor
05/04/2006DE19515174B4 Oszillatorschaltung und Verfahren zur Reduzierung ihrer Verlustleistung Oscillator circuit and method for reducing their power loss
04/2006
04/27/2006WO2006043465A1 Waveform converting apparatus, waveform converting method, and testing apparatus
04/18/2006US7031685 Receiver for regenerating a signal wave via digital signal processing
04/05/2006CN1249938C Electric field intensity detecting circuit and limiter amplifier
03/2006
03/21/2006US7015769 System and method for automatic tuning of a magnetic field generator
03/16/2006WO2006027583A1 A method and apparatus for pre-conditioning an electrical signal
03/15/2006EP1635392A1 Limiter circuit and semiconductor integrated circuit thereof
03/07/2006US7009462 Limiter circuit
02/2006
02/28/2006US7006637 Integrated self diagnostics for loudspeaker systems
02/23/2006US20060040630 Apparatus for and method of optimizing the performance of a radio frequency receiver in the presence of interference
02/21/2006US7002427 Filter trimming
02/14/2006US6999739 Stacked FET receiver method and apparatus
02/14/2006US6999734 Nonlinear compensating circuit, base-station apparatus, and transmission power clipping method
02/01/2006CN1240183C Clip circuit and toothed wave generator comprising same
01/2006
01/25/2006EP1618653A1 Radio frequency limiter circuit
01/18/2006CN1237748C Peak amplitude limiter and multicarrier amplifier
01/11/2006EP1090457B1 Linear traveling wave tube amplifier utilizing input drive limiter for optimization
01/04/2006CN1235423C Method for amplitude-limited wide-band radio signal and relative transmitter
01/04/2006CN1235335C A threshold value voltage adjustment method in limiting amplifier
12/2005
12/29/2005US20050286550 Method for transmitting line signals via a line device, and transmission apparatus
12/29/2005DE102004027367A1 Verfahren zum Übertragen von Leitungssignalen über eine Leitungseinrichtung und Übertragungsvorrichtung A method for transmitting signals via a cable conduit means and transfer device
12/22/2005WO2005122518A1 Amplitude modulation device, amplitude limit method, and computer-readable program
12/14/2005CN1708074A Method for transmitting line signal via line equipment and transmitting equipment
12/14/2005CN1232064C Slicer circuit and CDMA (code division multiple access) communication apparatus
11/2005
11/29/2005US6970715 Portable wireless transceiver controlling transmission power
11/22/2005US6968202 Method for operating a user equipment by prelimiting an output signal
11/16/2005CN1697317A Method for processing compensated audio signal
11/15/2005US6965655 Apparatus for and method of optimizing the performance of a radio frequency receiver in the presence of interference
11/10/2005US20050249353 System and method for detecting fault conditions on audio output channels
10/2005
10/27/2005WO2005101658A1 Analogue non-linear dynamic filter
10/27/2005DE202005008114U1 Level limitation in high frequency receiver for frequency modulation or frequency shift keying modulation has amplifier limiter log amplifier and forwards gain control circuit
10/20/2005WO2005099085A1 Method and system for ensuring audio safety
10/13/2005US20050226428 Method and system for ensuring audio safety
10/12/2005CN1681204A Sound signal processing apparatus and sound signal processing method
10/12/2005CN1223080C Load envelope following amplifier system
10/06/2005WO2005091980A2 Coaxial communication active tap device and distribution system
10/06/2005DE10392316T5 Verringerung des Scheitelfaktors der Signalleistung Reducing the crest factor of the signal power
09/2005
09/22/2005US20050210529 Coaxial communication active tap device and distribution system
09/22/2005US20050207594 Sound signal processing apparatus and sound signal processing method
09/20/2005US6947710 Transmitter
09/14/2005EP1575164A2 Sound signal processing apparatus and sound signal processing method
09/08/2005US20050194997 Amplitude limiting circuit
09/06/2005US6940981 Apparatus and method of limiting power applied to a loudspeaker
08/2005
08/30/2005US6937912 Anti-aliased clipping by band-limited modulation with step functions
08/24/2005CN1658499A 阻抗阻塞滤波器电路 An impedance blocking filter circuit
08/16/2005US6931239 Peak limiter and multi-carrier amplification apparatus
08/16/2005US6931135 Frequency dependent excursion limiter
07/2005
07/28/2005US20050163324 Apparatus and method of limiting power applied to a loudspeaker
07/19/2005US6920127 User equipment (UE) having an adaptive RF amplifier prelimiter
07/13/2005EP1552505A1 Digital signal processing techniques for improving audio clarity and intelligibility
07/13/2005CN1639969A Reducing peak-to-average signal power ratio
06/2005
06/23/2005WO2004082322A3 Apparatus and method of limiting power applied to a loudspeaker
06/23/2005US20050136847 Communication semiconductor integrated circuit device and electrical apparatus
06/16/2005US20050129143 Channel equalizing device and method of digital broadcasting receiving system
06/15/2005CN1206806C Load controlled amplitude envelope amplifier system
06/12/2005CA2490030A1 Channel equalizing device and method of digital broadcasting receiving system
06/09/2005US20050125088 Audio volume control for computer systems
06/07/2005US6904292 Base station having an adaptive RF amplifier prelimiter
06/07/2005US6904274 System and method for inverting automatic gain control (AGC) and soft limiting
05/2005
05/26/2005US20050111669 Apparatus to control temperature of audio amp
05/11/2005CN1614883A Automatic volume amplitude limiter with automatic gain controlling function
05/11/2005CN1201551C 阻抗阻塞滤波器电路 An impedance blocking filter circuit
05/10/2005US6891955 Audio volume control for computer systems
05/05/2005US20050094801 Voice signal clipping circuit and telephone set therewith
05/03/2005US6888393 Amplitude limiting apparatus and multi-carrier signal generating apparatus
04/2005
04/14/2005US20050078966 Identification level control method and optical receiver
03/2005
03/31/2005WO2004082321A3 Multi-channel digital feedback reducer system
03/24/2005US20050064841 Receiving circuit
03/23/2005EP1192557A4 Anti-aliased clipping by band-limited modulation with step functions
03/23/2005CN1599241A 接收电路 Receiving circuit
03/22/2005CA2342155C Linear traveling wave tube amplifier utilizing input drive limiter for optimization
03/17/2005US20050058310 Audio player with decorative sealed vessel
03/15/2005US6867623 Receiving circuit
02/2005
02/09/2005EP1504280A1 Transmit receive switch with high power protection
02/08/2005US6853264 Input power limiter for a microwave receiver
02/03/2005US20050024159 Limiter circuit
02/02/2005CN1574806A GSM enhanced data rates and clipper peak-to-mean reduction
01/2005
01/12/2005EP1360760B1 Amplitude limitation
01/05/2005CN1183664C Impadance blocking filter circuit
12/2004
12/29/2004CN1182701C Display driver apparatus
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