Patents
Sitemap › H03 - Basic electronic circuitry › H03G - Control of amplification › H03G 1 - Details of arrangements for controlling amplification
Patents for H03G 1 - Details of arrangements for controlling amplification (4,021)
12/1982
12/28/1982US4366450 Automatic gain control circuit
12/28/1982US4366449 Integrated voltage control variable gain circuit and a signal transmission circuit using the same
12/21/1982US4365208 Gain-controlled amplifier using a controllable alternating-current resistance
12/07/1982US4363001 Digital gain control apparatus
11/1982
11/30/1982US4361815 Operational amplifier with programmable gain
11/23/1982US4360786 Variable-gain differential amplifier
11/09/1982CA1135362A1 Remote monitoring system for remote locating and gain regulating of amplification circuits in data transmission line
10/1982
10/26/1982CA1134463A1 Circuit for converting single-ended input signals to a pair of differential output signals
10/12/1982US4354162 Wide dynamic range control amplifier with offset correction
10/12/1982US4354161 H.F. Broadband amplifier
10/05/1982US4353036 Field effect transistor amplifier with variable gain control
10/05/1982US4353000 Divider circuit
09/1982
09/15/1982EP0059952A1 Method and apparatus for controlling a plurality of devices
09/14/1982CA1131722A1 Pulse width modulating circuit
08/1982
08/31/1982US4347531 Circuit converting a pair of differential input signals to single-ended output signals
08/17/1982US4345214 Variable emitter degeneration gain-controlled amplifier
08/10/1982US4344044 Gain-controlled amplifier utilizing variable emitter degeneration and collector load impedance
08/10/1982US4344043 Variable load impedance gain-controlled amplifier
08/03/1982CA1129011A1 Radio receiver audio attenuator
08/03/1982CA1128872A1 Volume control apparatus
07/1982
07/27/1982US4342005 Television intermediate frequency amplifier with feedback stabilization
07/27/1982US4341962 Electronic gain control device
07/20/1982US4340908 Control level displaying apparatus
07/13/1982CA1127544A1 Sound system control
07/06/1982US4338572 HF Amplifier circuit
06/1982
06/15/1982US4335361 Variable gain amplifier
06/09/1982EP0053180A1 Remote control entertainment system
06/08/1982CA1125395A1 D.c. gain controlled amplifier
06/01/1982CA1124805A1 Radio frequency amplifier with gain control
05/1982
05/25/1982US4331931 Gain control systems
05/25/1982US4331929 Gain-controlled amplifier
05/18/1982CA1123924A1 Regulating amplifier
05/12/1982EP0051362A2 Electronic gain control circuit
04/1982
04/27/1982US4327333 AGC Current source
03/1982
03/16/1982US4320348 Variable level converter
03/16/1982US4320255 Radio with audio controls and associated displays
03/16/1982US4320254 Volume control apparatus
03/02/1982US4318053 Amplifier system with automatic distortion control
03/02/1982US4318051 Symmetrically gain controlled differential amplifier
02/1982
02/23/1982US4317010 Remote monitoring system for remote locating and gain regulating of amplification circuits in data transmission line
01/1982
01/26/1982US4313218 Extended AGC for a radio receiver
01/19/1982US4312032 RF Power control apparatus
01/19/1982US4311873 Bias control circuit and method for use in audio reproduction system or the like
01/06/1982EP0043257A1 Operational amplifier with programmable gain
12/1981
12/24/1981WO1981003713A1 Remote control entertainment system
12/08/1981US4305044 Amplifier circuit having controllable gain
11/1981
11/17/1981US4301416 Servo preamplifier and demodulator chain using transconductance balanced modulators
11/10/1981US4300102 Variable gain control circuit
10/1981
10/06/1981US4293823 Balanced input phonograph preamplifier circuit
09/1981
09/29/1981US4292597 Circuit for converting single-ended input signals to a pair of differential output signals
09/15/1981US4290025 Amplifier arrangement with variable gain factor
09/08/1981US4288707 Electrically variable impedance circuit
09/01/1981US4287476 Control circuit
09/01/1981CA1108251A1 Gain control circuit in combination with a differential amplifier
08/1981
08/25/1981US4286226 Amplifier with electrically controlled gain, with output suitable for direct coupling
08/25/1981CA1107824A1 Transistor amplifier stage with selectively adjustabale gain control circuit
07/1981
07/21/1981US4280089 Automatic incrementing attenuation arrangement
07/14/1981US4278997 Remote volume control for television set
07/07/1981US4277757 Two stage RF amplifier
06/1981
06/23/1981US4275362 Gain controlled amplifier using a pin diode
06/23/1981US4275361 H.F. amplifier
06/23/1981US4275354 Pulse width modulating circuit
06/16/1981US4274058 Amplifier with separate AC and DC feedback loops
05/1981
05/26/1981US4270216 Tuning and volume indicator
05/26/1981US4270151 Microphone mixer with predistortion indication
05/12/1981US4267518 Gain controllable amplifier stage
04/1981
04/28/1981CA1100229A1 Contrast/color control for a television receiver
04/28/1981CA1100201A1 Programmable attenuator apparatus employing active fet switching
04/21/1981US4263676 RF amplifying system having image rejection
04/01/1981EP0025977A2 Gain controlled amplifier
03/1981
03/17/1981US4256389 Method and system of controlling sound and effects devices by a film strip
03/10/1981US4255716 Automatic gain control circuit
02/1981
02/17/1981US4251778 Circuit with electrically controlled gain
02/10/1981US4250411 Dynamic resistor current leakage compensation arrangement
02/04/1981EP0023204A1 Device for remote control of stereo hi-fi amplifier parameters
01/1981
01/20/1981CA1094176A1 Circuit arrangement for adjusting the amplification of the signals of a plurality of channels to the same value
01/07/1981EP0021085A2 Monolithically integratable transistor amplifier
01/06/1981US4243947 Radio frequency amplifier with gain control
12/1980
12/23/1980US4241315 Adjustable current source
12/02/1980US4237448 Pager with escalating audio alert signal level
12/02/1980CA1090892A1 Differential amplifier
11/1980
11/18/1980US4234804 Signal correction for electrical gain control systems
11/04/1980CA1089038A1 Controllable electronic resistance device
11/04/1980CA1089036A1 Phase control circuit
11/04/1980CA1089020A1 Digital electronic control and switching arrangement
10/1980
10/28/1980CA1088639A1 Gain control circuit
10/21/1980US4229765 Remote audio and brightness control circuit for television
10/21/1980US4229707 Automatic gain control circuit
10/14/1980US4228402 Device for remote control of stereo hi-fi amplifier parameters
10/07/1980US4227256 AM Broadcast tuner with automatic gain control
09/1980
09/30/1980US4225794 Voltage controlled amplifier
09/30/1980CA1086836A1 Rf amplifier
09/18/1980WO1980001975A1 Gain control circuit
09/16/1980US4223274 Amplifier for electrical signals
09/02/1980US4221006 Balanced remote control
09/02/1980US4220875 Electronic circuit having its impedance controlled by an external signal
08/1980
08/26/1980US4219781 Transistor amplifier circuit
08/05/1980US4216434 Variable gain alternating voltage amplifier
07/1980
07/15/1980US4213065 Device for providing a selectively variable proportion of an electrical signal
07/15/1980CA1081791A1 Am receiver
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