H04N5/931 - CPC Classification Index

ClassID:

229773 ⎘

H04N5/931 - CPC Classification

Classification description:

Details of television systems; Television signal recording; Television signal processing therefor; Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal

Sub-classes:

H04N5/9315 » {the level control being frequency dependent } 1

Recent Application in this class:

20150170702

2015-06-18

INFORMATION REPRODUCTION DEVICE AND METHOD OF PROVIDING CONTENT

20150131965

2015-05-14

Signature device and signature method

20140126653

2014-05-08

Preserving synchronized playout of auxiliary audio transmission

20120246180

2012-09-27

PORTABLE DEVICE

20120237180

2012-09-20

Signature device and signature method

20120218471

2012-08-30

Content source identification using matrix barcode

20110217025

2011-09-08

Auxiliary audio transmission for preserving synchronized playout with paced-down video

20100329639

2010-12-30

APPARATUS AND METHOD FOR PROTECTING COPYRIGHT FOR MOTION PICTURE AND RECORD MEDIUM

20100023753

2010-01-28

System and method of generating subtitling for media