Patents-Review.com
ClassID:

220233 ⎘

H03G3/10 - CPC Classification

Classification description:

Gain control in amplifiers or frequency changers without distortion of the input signal; Manually-operated control in untuned amplifiers having semiconductor devices

Sub-classes:
Recent Application in this class:
#1
20230297325
2023-09-21

Networked Playback Device

 #2
20220350359
2022-11-03

Bias compensation circuit of amplifier

 #3
20220052661
2022-02-17

Multi-channel common-mode coupled AC gain amplifier

 #4
20210255821
2021-08-19

Networked playback device

 #5
20200274508
2020-08-27

Amplifier circuit, front-end circuit, and receiver circuit

 #6
20200067471
2020-02-27

Radio transmitter

 #7
20190372540
2019-12-05

Variable gain amplifiers with output phase invariance

 #8
20190326869
2019-10-24

Volume interactions for connected playback devices

 #9
20190263712
2019-08-29

Process of using a submerged combustion melter to produce hollow glass fiber or solid glass fiber having entrained bubbles, and burners and systems to make such fibers

 #10
20190121604
2019-04-25

Networked playback device

 #11
20190089318
2019-03-21

Variable gain amplifier

 #12
20180367112
2018-12-20

Intelligently modifying the gain parameter of a playback device

 #13
20180342232
2018-11-29

ELECTRONIC SIGNAL PROCESSOR

 #14
20180269842
2018-09-20

Volume-dependent automatic gain control

 #15
20180241366
2018-08-23

Volume interactions for connected subwoofer device

 #16
20180175807
2018-06-21

LNA with programmable linearity

 #17
20180138875
2018-05-17

AUDIO EQUIPMENT AND ELECTRONIC DEVICE THEREOF

 #18
20180084325
2018-03-22

High fidelity, professional grade microphone system for direct coupling to recording components

 #19
20180083579
2018-03-22

LNA with programmable linearity

 #20
20170346459
2017-11-30

Intelligently modifying the gain parameter of a playback device

 #21
20170279427
2017-09-28

Methods and systems for intelligent dual-channel volume adjustment

 #22
20170235545
2017-08-17

Leaving group and smart line-in processing

 #23
20170222606
2017-08-03

Transmitter, transmission system, and transmission method

 #24
20170169808
2017-06-15

Electronic signal processor

 #25
20170077880
2017-03-16

Power supplies

 #26
20160379617
2016-12-29

Programmable noise reducing, deadening, and cancelation devices, systems and methods

 #27
20160365839
2016-12-15

Volume interactions for connected subwoofer device

 #28
20160180863
2016-06-23

Intelligent volume control interface

 #29
20160056782
2016-02-25

Electronic device and audio output control method thereof

 #30
20150333719
2015-11-19

Volume interactions for connected playback devices

 #31
20150248888
2015-09-03

User profile based audio adjustment techniques

 #32
20150180435
2015-06-25

Volume interactions for connected playback devices

 #33
20150172809
2015-06-18

Smart-line in processing

 #34
20150086045
2015-03-26

Smart line-in processing in a group

 #35
20150003617
2015-01-01

Power supplies

 #36
20140211946
2014-07-31

Loudness modification of multichannel audio signals

 #37
20140037107
2014-02-06

Volume interactions for connected playback devices

 #38
20140006026
2014-01-02

Method and device for adjusting sound levels of sources based on sound source priority

 #39
20130287228
2013-10-31

Intelligently increasing the sound level of player

 #40
20130148825
2013-06-13

Volume control system, controller program of the volume control system, and audio output device of the volume control system

 #41
20130101140
2013-04-25

ELECTRONIC DEVICE AND METHOD OF OPERATING THE SAME

 #42
20130058501
2013-03-07

Volume control apparatus with first and second controllers

 #43
20120328127
2012-12-27

Volume amplitude limiting device

 #44
20120299649
2012-11-29

Multi-tier power supply for audio amplifiers

 #45
20120294461
2012-11-22

SOUND EQUIPMENT, VOLUME CORRECTING APPARATUS, AND VOLUME CORRECTING METHOD

 #46
20120263318
2012-10-18

Smart line-in processing

 #47
20120259441
2012-10-11

Dynamic setting of increments on an amplitude scale

 #48
20120230516
2012-09-13

User profile based audio adjustment techniques

 #49
20120192702
2012-08-02

Electronic signal processor

 #50
20120106743
2012-05-03

Loudness modification of multichannel audio signals

 #51
20110311062
2011-12-22

Loudness modification of multichannel audio signals

 #52
20110096943
2011-04-28

Audio console system

 #53
20110091052
2011-04-21

Sound and light control apparatus

 #54
20100282046
2010-11-11

Volume control device

 #55
20100202632
2010-08-12

Loudness modification of multichannel audio signals

 #56
20100172513
2010-07-08

Electronic signal processor

 #57
20100158274
2010-06-24

Increased dynamic range microphone

 #58
20090251218
2009-10-08

Variable Gain Amplifier

 #59
20090110215
2009-04-30

Audio adapter having volume adjusting function

 #60
20080285766
2008-11-20

Electronic signal processor

 #61
20080285765
2008-11-20

Electronic signal processor

 #62
20080284521
2008-11-20

Electronic signal processor

 #63
20080144860
2008-06-19

Adjustable Resolution Volume Control

 #64
20080007543
2008-01-10

Auto-gain switching module for acoustic touch systems

 #65
20070253578
2007-11-01

System and method for adjusting microphone gain based on volume setting of a mobile device

 #66
20050031142
2005-02-10

Method and apparatus for volume control

 #67
16531107
2021-12-14

Phantom-powered audio pre-preamplifier with integrated transformer for musical instrument and microphone dual-selective signal gain

 #68
15915355
2018-12-25

Moldable mounting wireless speaker system for use in a variety of settings

 #69
15630928
2019-08-06

Phantom-powered audio pre-preamplifier with integrated transformer for musical instrument and microphone dual-selective signal gain

 #70
15371463
2018-01-23

External amplifier interface

 #71
15090467
2018-04-17

Phantom-powered inline preamplifier with variable impedance loading and adjustable interface