H04N9/83 - CPC Classification Index

ClassID:

230028 ⎘

H04N9/83 - CPC Classification

Classification description:

Details of colour television systems; Processing of colour television signals in connection with recording; Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal

Sub-classes:

H04N9/831 » {using intermediate digital signal processing} 0
H04N9/832 » {using an increased bandwidth for the luminance or the chrominance signal} 4
H04N9/835 » involving processing of the sound signal 3
H04N9/84 » the recorded signal showing a feature, which is different in adjacent track parts, e.g. different phase or frequency 0

Recent Application in this class:

20240364851

SECURE TRANSFER OF PREVIOUSLY BROADCASTED CONTENT

20230336700

Method and apparatus for secure transfer and playback of multimedia content

20220021858

Method and apparatus for secure transfer and playback of multimedia content

20200314403

Method and apparatus for displaying branded video tags

20200128222

Secure transfer of previously broadcasted content

20190075280

Method and apparatus for secure transfer and playback of multimedia content

20160249095

Method and apparatus for secure transfer and playback of multimedia content

20160191988

Secure transfer of previously broadcasted content

20110202963

Method and apparatus for displaying branded video tags

20110135271

Method and apparatus for secure transfer and playback of multimedia content

20110131604

Method and apparatus for secure transfer and playback of multimedia content

20080123746

High efficiency encoder and video information recording/reproducing apparatus

20080112482

High-efficiency encoder and video information recording/reproducing apparatus

20080069224

HIGH EFFICIENCY ENCODER AND VIDEO INFORMATION RECORDING/REPRODUCING APPARATUS

20080069208

High-efficiency encoder and video information recording/reproducing apparatus

20060136980

Method and apparatus for displaying branded video tags

20060133487

High efficiency encoder and video information recording/reproducing apparatus

20060127039

Method and apparatus for secure transfer of previously broadcasted content

20060127037

Method and apparatus for secure transfer and playback of multimedia content

11285402

Digital video recorder video editing system