| Patents for H03G 5 - Tone control or bandwidth control in amplifiers (3,156) |
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| 07/30/1996 | US5541866 Device for correcting frequency characteristic of sound field |
| 07/23/1996 | US5539833 Audio signal amplifier device |
| 07/17/1996 | EP0307465B1 Semiconductor emulation of tube amplifiers |
| 07/17/1996 | CN1126868A Apparatus for adjusting frequency characteristic of an audio signal according to biorhythm principles |
| 07/02/1996 | US5533120 Acoustic feedback cancellation for equalized amplifying systems |
| 06/25/1996 | US5530769 Equalizer and audio device using the same |
| 06/25/1996 | US5530762 Real-time digital audio reverberation system |
| 06/11/1996 | US5525928 Filter boost preattenuator |
| 06/04/1996 | US5524290 Adaptive graphic equalizer and radio using same |
| 06/04/1996 | US5524074 Digital signal processor for adding harmonic content to digital audio signals |
| 06/04/1996 | US5524022 Digital graphic equalizer |
| 05/28/1996 | US5521983 Speaker system for use in high background noise environments |
| 05/15/1996 | CN1122538A Diversity receiver |
| 05/14/1996 | US5517523 Bridge-tap equalizer method and apparatus |
| 05/09/1996 | WO1996013959A1 Apparatus and method of enhancing audio signals |
| 04/24/1996 | EP0708527A1 Method and device for controlling output power of a power amplifier |
| 04/23/1996 | US5511129 Method of conditioning programmable filter apparatus |
| 04/23/1996 | US5510752 Low input signal bandwidth compressor and amplifier control circuit |
| 04/17/1996 | CN1120784A Output power controlling circuit and antenna common use device of moving communicating device |
| 04/16/1996 | US5509080 Bass clipping circuit |
| 04/11/1996 | WO1996010864A1 Fm demodulator with threshold extension and receiver comprising such an fm demodulator |
| 04/09/1996 | US5506910 Automatic equalizer |
| 03/26/1996 | CA2068420C Controlled slew rate amplifier |
| 03/26/1996 | CA2059411C Circuit for suppressing white noise in received voice |
| 03/20/1996 | EP0702453A1 Automatic gain control circuit and device provided with such a circuit |
| 03/12/1996 | US5499394 Filter switching circuit |
| 03/06/1996 | EP0700184A2 Diversity receiver |
| 03/06/1996 | EP0700153A2 Circuit with a controllable transfer characteristic |
| 02/28/1996 | EP0597905B1 Intermodulation controller for radio receiver |
| 02/20/1996 | US5493717 Adjacent channel interference detection & suppression circuit |
| 02/13/1996 | US5491755 Circuit for digital processing of audio signals |
| 02/08/1996 | DE4427912A1 Adapting audio playback appts. output signals to noise level inside vehicle |
| 01/31/1996 | EP0695031A2 Mobile communication device having an output power sensor succeeding a transmission filter |
| 01/30/1996 | CA2154968A1 Power control circuit for use with transmitter |
| 01/26/1996 | CA2154530A1 Mobile communication device having an output power sensor succeeding a transmission filter |
| 01/16/1996 | US5485122 Differential amplifier circuit giving reduced DC offset with unbalanced source resistances |
| 01/10/1996 | EP0691736A1 Control of audio effects in radio receivers |
| 01/03/1996 | EP0690568A1 Frequency translated filter |
| 01/03/1996 | EP0690563A2 Output circuit having at least one external transistor |
| 01/02/1996 | US5481617 Loudspeaker arrangement with frequency dependent amplitude regulation |
| 12/31/1995 | CA2149682A1 Micro-miniature radio receiver |
| 12/26/1995 | CA2049641C Equalizer circuit, high fidelity regenerative amplifier including equalizer circuit and acoustic characteristic correction circuit in high fidelity regenerative amplifier |
| 12/21/1995 | WO1995034964A1 Combined de-esser and high-frequency enhancer using single pair of level detectors |
| 12/19/1995 | US5477191 Variable gain amplifier |
| 12/13/1995 | EP0687129A2 Generating a common bass signal |
| 12/13/1995 | EP0687126A1 Audio-frequency filter and method for determining the filtering function of an audio-frequency filter |
| 12/07/1995 | DE19505435C1 Tonality evaluation system for audio signal |
| 12/07/1995 | CA2151017A1 Linear receiver |
| 12/05/1995 | US5473282 Audio amplifier arrangement |
| 11/28/1995 | US5471527 In a telecommunications network |
| 11/21/1995 | US5469510 Arbitration adjustment for acoustic reproduction systems |
| 11/21/1995 | US5469105 Transmitter and power amplifier therefor |
| 11/14/1995 | US5467400 Solid state audio amplifier emulating a tube audio amplifier |
| 11/09/1995 | DE4415807A1 Audio reproducing appts. with tone colour adjuster |
| 11/07/1995 | US5465410 Method and apparatus for automatic frequency and bandwidth control |
| 10/25/1995 | CN1110885A Bridge-tap equalizer method and apparatus |
| 10/17/1995 | US5459791 Audio frequency filter |
| 10/04/1995 | CN1109657A Audio amplifier |
| 09/26/1995 | US5453716 Adjustable clip detection system |
| 09/19/1995 | US5451904 Amplifying circuit in which variable impedance circuit is used in negative feedback circuit |
| 09/12/1995 | US5450312 Automatic timbre control method and apparatus |
| 08/30/1995 | EP0669712A1 Control of frequency and/or phase characteristic in an (audio) amplifier |
| 08/30/1995 | EP0669711A1 Car radio sound reproduction apparatus with noise dependent volume control |
| 08/16/1995 | EP0667675A1 Bias control device for an amplifier |
| 08/12/1995 | CA2141981A1 Amplifier bias control device |
| 08/01/1995 | US5438689 Radio receiver for a vehicle having improved audibility for speech |
| 07/19/1995 | EP0612461B1 Method and device for dynamic equalization |
| 07/18/1995 | US5434926 Automatic sound volume control method |
| 07/18/1995 | US5434923 Acoustic apparatus |
| 07/18/1995 | US5434867 Audio amplifier arrangement having a volume dependent tone control |
| 07/18/1995 | US5434541 Frequency translated filter for a micro-miniature radio receiver |
| 07/05/1995 | EP0661804A2 Volume controller |
| 07/04/1995 | US5430410 Amplifier bias control system |
| 06/28/1995 | EP0659311A1 Bridge-tap equalizer method and apparatus |
| 06/13/1995 | US5424558 Apparatus and a method for dynamically tuning a particle sensor in response to varying process conditions |
| 06/08/1995 | WO1995015643A1 Voice enhancement system and method |
| 06/06/1995 | US5422598 High-frequency power amplifier device with drain-control linearizer circuitry |
| 06/01/1995 | WO1995008884A3 Dual output multi function interface device for audio systems |
| 05/23/1995 | US5418859 Correcting apparatus of sound signal distortion by way of audio frequency band segmentation |
| 05/23/1995 | US5418494 Variable gain amplifier for low supply voltage systems |
| 05/23/1995 | CA2136251A1 Adjustable clip detection system |
| 05/17/1995 | EP0653835A1 Control of distortion in a line-powered amplifier with a rail-to-rail output voltage swing |
| 05/09/1995 | US5414774 Circuit and method for controlling an audio system |
| 04/27/1995 | CA2172799A1 Vortex flowmeter electronics |
| 04/25/1995 | US5410729 Signal transmission device having an automatic transmission level control circuit used in a multi-carrier transmission terminal equipment and multi-carrier transmission terminal equipment employing the transmission device |
| 04/20/1995 | WO1995010889A1 Adaptive bandwidth receiver |
| 04/18/1995 | US5408197 Automatic power control circuit for controlling transmitting power of modulated radio frequency signal |
| 04/05/1995 | EP0647023A2 Method and device for processing signals |
| 03/30/1995 | WO1995008884A2 Dual output multi function interface device for audio systems |
| 03/30/1995 | CA2171480A1 Dual output multi function interface device for audio systems |
| 03/22/1995 | EP0434691B1 Improvements in or relating to sound reproduction systems |
| 03/21/1995 | US5400189 Magnetic recording and reproducing apparatus, reproduction signal processing apparatus, and reproduction signal processing method |
| 03/14/1995 | US5398005 Voss tone control circuit with reduced distortion and reduced DC offset |
| 03/01/1995 | EP0640256A1 Local area network amplifier for twisted pair lines |
| 02/22/1995 | EP0639890A1 Directional detector for power level control |
| 02/21/1995 | US5392464 In a data transmission system |
| 02/15/1995 | EP0638998A1 Fast-acting automatic gain control arrangement |
| 02/15/1995 | EP0638994A1 Transmitter and power amplifier therefor |
| 02/14/1995 | US5390053 Circuit for controlling the overall upper cutoff frequency of an amplifier stage |
| 02/14/1995 | US5389896 HBT monolithic variable gain amplifier with bias compensation and buffering |