ClassID:

220299

H03G7/08 - CPC Classification

Classification description:

Volume compression or expansion in amplifiers having semiconductor devices incorporating negative feedback

Recent Application in this class:
#1
20210273623
2021-09-02

Audio enhancement in response to compression feedback

#2
20200084542
2020-03-12

Temperature detecting and controlling integration device and the temperature controlling method applied for micro speaker

#3
20190209041
2019-07-11

Measurement of skin conductance

#4
20180372848
2018-12-27

Distance-measuring device and method thereof

#5
20180367158
2018-12-20

Electronic circuit performing gain control and gain compression to improve characteristic of analog output and electronic device including the same

#6
20170373657
2017-12-28

Method for adapting the volume gain for the power limitation of an amplifier and amplifier

#7
20170250655
2017-08-31

Dynamic volume management in audio amplifiers

#8
20170230012
2017-08-10

Radio frequency (RF) amplifiers with voltage limiting using non-linear feedback

#9
20170005631
2017-01-05

Output control circuit

#10
20160360315
2016-12-08

Audio apparatus, and current control method

#11
20160344360
2016-11-24

System and method for high input capacitive signal amplifier

#12
20160191008
2016-06-30

Clipped amplifier

#13
20150372650
2015-12-24

Audio driver system and method

#14
20150124982
2015-05-07

Method of estimating diaphragm excursion of a loudspeaker

#15
20130285747
2013-10-31

Digital automatic gain control

#16
20130271307
2013-10-17

System and method for high input capacitive signal amplifier

#17
20130154745
2013-06-20

Clipping circuit, differential amplifying circuit, and amplifying circuit

#18
20130106116
2013-05-02

Thermomagnetic generator

#19
20120182081
2012-07-19

Dynamic range compression circuit and class D amplifier

#20
20120002819
2012-01-05

Audio driver system and method

#21
20110227652
2011-09-22

Differential amplifier and method for the operation of a differential amplifier

#22
20110210793
2011-09-01

Variable gain amplifier having automatic power consumption optimization

#23
20110181362
2011-07-28

Signal processing circuit

#24
20110158437
2011-06-30

Audio amplifier having load adjustment and method for the load adjustment of the audio amplifier

#25
20100128912
2010-05-27

Logarithmic compression systems and methods for hearing amplification

#26
20100090763
2010-04-15

Automatic gain control circuit

#27
20100027807
2010-02-04

METHOD AND APPARATUS FOR ADJUSTING AUDIO VOLUME TO PREVENT HEARING LOSS OR DAMAGE

#28
20090315708
2009-12-24

METHOD AND SYSTEM FOR LIMITING AUDIO OUTPUT IN AUDIO HEADSETS

#29
20090278594
2009-11-12

Frame-based level feedback calibration system for sample-based predictive clipping

#30
20090208033
2009-08-20

DIGITAL AUTOMATIC GAIN CONTROL

#31
20090153246
2009-06-18

Method and system for varying gain exponentially with respect to a control signal

#32
20090091355
2009-04-09

Amplifier

#33
20080315956
2008-12-25

Saturation handling

#34
20080297257
2008-12-04

Amplifier

#35
20080278237
2008-11-13

Techniques to reduce the power consumption of an RF log-amp detector

#36
20080075304
2008-03-27

Volume control circuits for use in electronic devices and related methods and electronic devices

#37
20080048775
2008-02-28

Auto gain control circuit

#38
20080008335
2008-01-10

Amplifying an audio signal

#39
20070298735
2007-12-27

Method and system for controlling transmitter power using variable feedback transmitter parameters

#40
20070290753
2007-12-20

Method and system for varying gain exponentially with respect to a control signal

#41
20070176665
2007-08-02

Variable voltage attenuator circuits

#42
20070147639
2007-06-28

Hearing aid with digital compression recapture

#43
20060126865
2006-06-15

Method and apparatus for adaptive sound processing parameters

#44
20060028260
2006-02-09

Logarithmic amplifier with base and emitter in feedback path

#45
20050163324
2005-07-28

Apparatus and method of limiting power applied to a loudspeaker

#46
20050079837
2005-04-14

Wireless receiver without AGC