| Patents for H03G 1 - Details of arrangements for controlling amplification (4,021) |
|---|
| 10/26/1994 | EP0621686A2 Amplifier |
| 10/19/1994 | EP0620639A1 Variable gain amplifier for low supply voltage |
| 10/11/1994 | US5355096 Compace HBT wide band microwave variable gain active feedback amplifier |
| 10/05/1994 | EP0618675A1 Electronic device with low power consumption |
| 10/04/1994 | US5352944 Apparatus and method for producing a temperature-independent current signal in an automatic gain control circuit |
| 09/27/1994 | US5351030 Variable attenuator for attenuating gain of analog signal in accordance with digital signal |
| 09/27/1994 | US5351013 Step attenuator using PIN diodes |
| 09/21/1994 | EP0616425A1 Audio amplifier arrangement |
| 09/21/1994 | EP0616421A1 Feedback amplifier for regulating cascode gain enhancement |
| 09/20/1994 | US5349639 Automatic electronic audio signal attenuating device and method therefor |
| 09/20/1994 | US5349595 Drive circuit for semiconductor light-emitting device |
| 09/13/1994 | US5346568 Expanding electrical insulating laminate, method for its manufacture and application |
| 08/24/1994 | EP0612143A1 HF amplifier, transmit-receive station using the amplifier and mobile radio system using the station |
| 08/24/1994 | EP0611509A1 Variable gain amplifier |
| 08/17/1994 | EP0610564A2 Dual gate fet and circuits using dual gate fet |
| 08/17/1994 | EP0610430A1 Analog-to-digital converter and method of fabrication |
| 08/16/1994 | US5339046 Temperature compensated variable gain amplifier |
| 08/09/1994 | US5337020 Differential radio frequency detector/comparator for power level control |
| 08/09/1994 | US5337019 Integrated circuit arrangement |
| 07/27/1994 | CA2110073A1 Dual gate fet and circuits using dual gate fet |
| 07/26/1994 | US5332963 High input impedance buffer with low feedback resistance |
| 07/26/1994 | US5332928 Battery drain reducer |
| 07/19/1994 | US5331290 Variable gain amplifier |
| 07/05/1994 | US5327101 Distortion-free limiter for a power amplifier |
| 07/05/1994 | US5327098 Programmable gain amplifier circuitry and method for biasing JFET gain switches thereof |
| 07/05/1994 | US5327097 Gain control circuit |
| 07/05/1994 | US5327096 Control circuit for automatically controlled feed forward nonlinear distortion compensation amplifier |
| 06/29/1994 | EP0604295A1 A method for automatic gain control of a digital receiver, in particular in a TDMA receiver and a device for performing the method |
| 06/28/1994 | US5325099 Modular solid-state radar transmitter apparatus and method for producing variable waveforms |
| 06/25/1994 | CA2111616A1 Dual-mode power amplification apparatus |
| 06/23/1994 | WO1994014110A1 Battery drain reducer |
| 06/23/1994 | DE4243412A1 Switch or regulator for stereo hi=fi preamplifier |
| 06/23/1994 | CA2150226A1 Battery drain reducer |
| 06/22/1994 | EP0602723A1 Integrated circuit with an electrically adjustable parameter |
| 06/15/1994 | EP0601926A1 Electronic circuit output power detection means |
| 06/07/1994 | US5319704 Control circuit for voltage controlled attenuator for speakerphones |
| 06/07/1994 | US5319318 Gain control circuit and semiconductor device |
| 06/01/1994 | EP0599327A1 Variable gain amplifier |
| 05/31/1994 | US5317641 Fader depth control apparatus |
| 05/24/1994 | US5315662 Karaoke equipment |
| 05/17/1994 | US5313661 Method and circuit arrangement for adjusting the volume in a mobile telephone |
| 05/17/1994 | US5313523 Sound volume controlling apparatus |
| 05/11/1994 | EP0449823A4 Improved variolosser |
| 04/28/1994 | DE4235852A1 Controlling reception quality, e.g. of TV receiver - changes individual operating parameters after production of enable signal to improve signal=to=noise ratio |
| 04/27/1994 | EP0594074A1 Controllable electronic resistance |
| 04/19/1994 | US5305109 Parallel untuned video if amplifiers supplied signals from TV 1st detector via respective input filters |
| 04/12/1994 | US5303420 Circuit for stabilizing the bias of a paging receiver with power saving functions |
| 04/12/1994 | US5303371 Electronic volume control system |
| 04/05/1994 | US5300826 Interface circuit for audio signal |
| 03/29/1994 | US5298806 Integrated circuit and gate array |
| 03/22/1994 | US5297211 Acoustic device for custom installation |
| 03/22/1994 | CA2031580C General purpose low cost digital amplitude regulator |
| 03/22/1994 | CA2031542C Low cost digital amplitude regulator |
| 03/17/1994 | WO1994006244A1 Variable gain amplifier |
| 03/16/1994 | CN1083998A 可变增益放大器 Variable gain amplifier |
| 03/15/1994 | US5295178 Digital signal processor for radio base station |
| 03/01/1994 | US5291151 Sensor amplifier |
| 02/15/1994 | US5287054 Attenuating voltage follower circuit |
| 02/01/1994 | US5283533 Amplifier signal level detector for a mobile communication system |
| 01/11/1994 | US5278518 Amplifying circuit with exponential gain control |
| 12/28/1993 | US5274339 Method for compensating for temperature |
| 12/23/1993 | WO1993026090A1 Controlled-gain transistor amplifier without dc shift or signal phase reversal in load current |
| 12/22/1993 | CN1079851A Controlled-gain Transistor amplifier without D-C shift or signal phase reversal in load current |
| 12/02/1993 | DE4317385A1 Car stereo system with removable front panel - has radio transmitter in panel so driver can take panel away on leaving vehicle |
| 11/24/1993 | EP0570897A2 Device for delivering an attenuator control signal |
| 11/24/1993 | EP0570655A1 Audio amplifier on-off control circuit |
| 11/02/1993 | CA2020870C Radio telecommunication apparatus |
| 10/26/1993 | US5256984 Amplifier for controlling linear gain of wide band using external bias |
| 10/26/1993 | US5256983 Wide band amplifier |
| 10/26/1993 | CA1323659C Agc delay on an integrated circuit |
| 10/19/1993 | US5255326 Interactive audio control system |
| 10/06/1993 | EP0564341A1 Video amplifier with gain and alignment control |
| 10/06/1993 | EP0563580A2 Drive circuit for semiconductor light-emitting device |
| 09/30/1993 | WO1993019523A1 Distortion cancellation amplifier system |
| 09/07/1993 | US5243301 Microwave power amplifiers |
| 09/07/1993 | US5243300 High frequency amplifying apparatus |
| 09/01/1993 | EP0557929A1 Control circuit for automatically controlled feed forward nonlinear distortion compensation amplifier |
| 08/25/1993 | EP0556644A1 Integrated circuit |
| 08/18/1993 | EP0555905A1 Current divider and integrated circuit comprising a plurality of current dividers |
| 08/05/1993 | WO1993009599A3 Analog-to-digital converter and method of fabrication |
| 08/04/1993 | EP0553300A1 Linear gain control amplifier |
| 08/03/1993 | US5233309 Programmable gain amplifier |
| 07/22/1993 | WO1993014564A1 Programmable gain amplifier |
| 07/20/1993 | US5229720 Vca circuit |
| 07/13/1993 | US5227670 Electronic switch with very low dynamic "on" resistance utilizing an OP-AMP |
| 06/23/1993 | EP0547078A1 Power amplifier. |
| 06/22/1993 | US5222150 Volume control circuit |
| 06/15/1993 | CA1319178C Variable-gain ac amplifier |
| 06/09/1993 | EP0545536A1 Voltage-controlled amplifier using operational amplifier |
| 06/09/1993 | EP0545531A1 Multichannel amplifier with gain matching |
| 06/08/1993 | US5218318 Variable gain amplifier |
| 06/02/1993 | EP0543927A1 Variable-gain amplifier controlled by an analog signal and having a large dynamic range |
| 06/01/1993 | US5216384 Programmable amplifier device |
| 06/01/1993 | US5216383 Controllable amplifier circuit |
| 05/13/1993 | WO1993009599A2 Analog-to-digital converter and method of fabrication |
| 05/13/1993 | WO1993009598A1 Improved analog multipliers |
| 05/11/1993 | US5210508 High-frequency amplifier of a radio transmitter |
| 05/11/1993 | US5210504 Semiconductor device for tv tuner and tv tuner using the same |
| 05/04/1993 | US5208548 For replacing an analog variable resistor in an audio amplifier |
| 04/27/1993 | US5206606 Control circuit for signal level |