H03G9/10 - CPC Classification Index

ClassID:

220307 ⎘

H03G9/10 - CPC Classification

Classification description:

Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for tone control and volume expansion or compression

Recent Application in this class:

20190199309

2019-06-27

Techniques for distortion reducing multi-band compressor with timbre preservation

20180152166

2018-05-31

Techniques for distortion reducing multi-band compressor with timbre preservation

20160241215

2016-08-18

Techniques for distortion reducing multi-band compressor with timbre preservation

20130013096

2013-01-10

Techniques for distortion reducing multi-band compressor with timbre preservation

20090310793

2009-12-17

Audio signal processing device and audio signal processing method