H04N 2017/008
Diagnosis, testing or measuring for television systems or their details: for television
Official title: {for television teletext}
H04N2017/008 (Diagnosis, testing or measuring for television systems or their details: for television) appears on 21 US grants and 22 published applications in this corpus.
Search patents in H04N- Granted patents
- 21
- Published applications
- 22
- Assignees
- 12
- Inventors
- 31
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 6 |
| 2017 | 5 | 1 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Testing rendering of screen objects25 Aug 2026US 12,720,145 B2Nagravision Sarl
- Testing rendering of screen objects8 Apr 2025US 12,273,581 B2Nagravision Sarl
- Testing rendering of screen objects9 May 2023US 11,647,249 B2Nagravision S. A.
- Video quality assessment method and device28 Jun 2022US 11,374,681 B2Huawei Technologies Co., Ltd.
- Digital closed caption corruption reporting9 Jun 2020US 10,681,343 B2AT&T Intellectual Property I, L. P.
- Testing rendering of screen objects9 Oct 2025US 2025/0317616 A1Nagravision Sarl
- Testing rendering of screen objects2 Nov 2023US 2023/0353814 A1Nagravision S. A.
- Testing rendering of screen objects7 Oct 2021US 2021/0314651 A1Nagravision S. A.
- Video quality assessment method and device27 Feb 2020US 2020/0067629 A1Huawei Technologies Co., Ltd.
- Digital Closed Caption Corruption Reporting21 Mar 2019US 2019/0089951 A1AT&T Intellectual Property I, L. P.
Most cited
By later US patents
- System and method to detect garbled closed captioning12US 8,913,187 B1The DIRECTV Group, Inc. · 2014
- Captioning evaluation system8US 8,345,159 B2Caption Colorado L.L.C. · 2013
- Closed caption signal processing apparatus and method6US 7,299,183 B2Kabushiki Kaisha Toshiba · 2007
- Video streams for closed caption testing and the like5US 7,006,151 B2Sarnoff Corporation · 2006
- Captioning evaluation system4US 8,692,936 B2Caption Colorado L.L.C. · 2014