H04N2017/008 - CPC Classification Index

ClassID:

230181 ⎘

H04N2017/008 - CPC Classification

Classification description:

Diagnosis, testing or measuring for television systems or their details for television teletext

Recent Application in this class:

20250317616

2025-10-09

TESTING RENDERING OF SCREEN OBJECTS

20230353814

2023-11-02

Testing rendering of screen objects

20210314651

2021-10-07

Testing rendering of screen objects

20200067629

2020-02-27

Video quality assessment method and device

20190089951

2019-03-21

Digital closed caption corruption reporting

20160373830

2016-12-22

Methods and systems for real time automated caption rendering testing

20160373829

2016-12-22

Caption rendering automation test framework

20160371556

2016-12-22

Automatic extraction of closed caption data from frames of an audio video (AV) stream using image filtering

20160371545

2016-12-22

Automatic extraction of closed caption data from frames of an audio video (AV) stream using image clipping

#10

20160295154

2016-10-06

Using closed-captioning data to output an alert indicating a functional state of a back-up video-broadcast system

#11

20160029016

2016-01-28

Video display method and user terminal for generating subtitles based on ambient noise

#12

20140379337

2014-12-25

Method and system for testing closed caption content of video assets

#13

20120143606

2012-06-07

Method and system for testing closed caption content of video assets

#14

20080252780

2008-10-16

Captioning evaluation system

#15

20050060145

2005-03-17

Closed caption signal processing apparatus and method