H04N9/7933 - CPC Classification Index

ClassID:

229995 ⎘

H04N9/7933 - CPC Classification

Classification description:

Details of colour television systems; Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits the level control being frequency-dependent

Sub-classes:

H04N9/7936 » {by using a preemphasis network at the recording side and a deemphasis network at the reproducing side} 1

Recent Application in this class:

20160065927

2016-03-03

VIDEO REPRODUCTION APPARATUS, VIDEO REPRODUCTION METHOD AND VIDEO DISPLAY APPARATUS

20130286052

2013-10-31

Projector having blue light alleviating part

20130265498

2013-10-10

Projector having blue light alleviating part