ClassID:

220289

H03G7/00 - CPC Classification

Classification description:

Volume compression or expansion in amplifiers

Sub-classes:
Recent Application in this class:
#1
20250301270
2025-09-25

Zone Scene Activation

#2
20230065502
2023-03-02

Zone scene activation

#3
20210006902
2021-01-07

Dynamics processing method and dynamics processing device

#4
20200076388
2020-03-05

Media playback system with maximum volume setting

#5
20190281397
2019-09-12

Zone scene management

#6
20190267953
2019-08-29

INTEGRATED RF LIMITER

#7
20190239009
2019-08-01

Zone scene management

#8
20190239008
2019-08-01

Zone scene management

#9
20180321904
2018-11-08

Audio control system and related methods

#10
20180175816
2018-06-21

Using averaged audio measurements to automatically set audio compressor threshold levels

#11
20180034435
2018-02-01

Using averaged audio measurements to automatically set audio compressor threshold levels

#12
20180019714
2018-01-18

Integrated RF limiter

#13
20170207937
2017-07-20

Automatic gain compression detection and gain control for analog front-end with nonlinear distortion

#14
20170078823
2017-03-16

Audio program playback calibration based on content creation environment

#15
20160294335
2016-10-06

Radiofrequency power limiter, and associated radiofrequency emitter and/or receiver chain and low-noise amplifying stage

#16
20160234615
2016-08-11

Zone scene activation

#17
20150331662
2015-11-19

Updating zone configuration in a multi-zone media system

#18
20150245153
2015-08-27

Object-based audio loudness management

#19
20150192915
2015-07-09

Electronic home appliance and control method thereof

#20
20150110294
2015-04-23

Content aware audio ducking

#21
20150091692
2015-04-02

Zone configurations maintained by playback device

#22
20150058727
2015-02-26

Zone configuration based on playback selections

#23
20150043748
2015-02-12

Electronic device having sound generating unit with piezoelectric element configured for vibration and volume adjustment, and control method and control program for the electronic device

#24
20140361867
2014-12-11

Method and apparatus for updating zone configurations in a multi-zone system

#25
20140226835
2014-08-14

Vehicle approach informing device

#26
20140169587
2014-06-19

Electronic device and method for adjusting volume levels of audio signal outputted by the electronic device

#27
20140140537
2014-05-22

Audio loudness control system

#28
20140105421
2014-04-17

Sound output system, non-transitory computer-readable storage medium having sound output program stored thereon, sound output control method, and information processing apparatus

#29
20140093098
2014-04-03

HANDHELD DEVICE AND ELECTRONIC DEVICE ASSEMBLY AND METHOD FOR ADJUSTING VOLUME

#30
20140079247
2014-03-20

Dynamic adjustment of master and individual volume controls

#31
20140079227
2014-03-20

Method for adjusting volume and electronic device thereof

#32
20140010377
2014-01-09

ELECTRONIC DEVICE AND METHOD OF ADJUSTING VOLUME IN TELECONFERENCE

#33
20130315419
2013-11-28

Method for controlling volume of electronic device and electronic device using the same

#34
20130314349
2013-11-28

Method for controlling display of electronic device and electronic device using the same

#35
20130293345
2013-11-07

Method and apparatus for updating zone configurations in a multi-zone system

#36
20130259265
2013-10-03

Audio signal output device and audio output system

#37
20130253679
2013-09-26

Method and apparatus for selecting a playback queue in a multi-zone system

#38
20130251174
2013-09-26

Controlling and manipulating groupings in a multi-zone media system

#39
20120051560
2012-03-01

Dynamic adjustment of master and individual volume controls

#40
20090061809
2009-03-05

Methods and apparatus to implement receiver linearity enhancement

#41
20080315939
2008-12-25

Anti-logarithmic amplifier designs

#42
20080310652
2008-12-18

Device and Method for Audio Signal Gain Control

#43
20080278238
2008-11-13

Variable gain circuit

#44
20080136458
2008-06-12

Method and system for wide range amplitude detection

#45
20070195909
2007-08-23

Signal peak voltage suppression apparatus

#46
20070109050
2007-05-17

Power supply rejection for pulse width modulated amplifiers and automatic gain control

#47
20060256980
2006-11-16

Method and apparatus for dynamically controlling threshold of onset of audio dynamics processing

#48
20060183449
2006-08-17

Gain variable voltage/current conversion circuit and filter circuit using the same

#49
20060148435
2006-07-06

Method and apparatus for multichannel signal limiting

#50
20060139821
2006-06-29

Limiter circuit and semiconductor integrated circuit thereof

#51
20060012434
2006-01-19

Variable gain amplifier

#52
20050179489
2005-08-18

Power supply rejection for pulse width modulated amplifiers and automatic gain control

#53
17319859
2023-06-27

Linking audio amplification gain reduction per channel and across frequency ranges

#54
16123928
2019-10-29

Media playback system with maximum volume setting

#55
14094323
2016-04-12

Volume curve adjustment for signal processing headroom

#56
14032081
2017-09-05

Volume control

#57
13858818
2016-04-26

Audio clipping prevention