H04N 9/16
Using cathode ray tubes
Official title: using cathode ray tubes (H04N9/11 takes precedence)
H04N9/16 (Using cathode ray tubes) appears on 673 US grants and 139 published applications in this corpus.
Search patents in H04N- Granted patents
- 673
- Published applications
- 139
- Assignees
- 191
- Inventors
- 892
- Latest grant
- 21 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 22 | 0 |
| 1977 | 8 | 0 |
| 1978 | 8 | 0 |
| 1979 | 10 | 0 |
| 1980 | 17 | 0 |
| 1981 | 22 | 0 |
| 1982 | 18 | 0 |
| 1983 | 17 | 0 |
| 1984 | 16 | 0 |
| 1985 | 11 | 0 |
| 1986 | 13 | 0 |
| 1987 | 22 | 0 |
| 1988 | 20 | 0 |
| 1989 | 22 | 0 |
| 1990 | 24 | 0 |
| 1991 | 31 | 0 |
| 1992 | 21 | 0 |
| 1993 | 25 | 0 |
| 1994 | 18 | 0 |
| 1995 | 26 | 0 |
| 1996 | 36 | 0 |
| 1997 | 21 | 0 |
| 1998 | 36 | 0 |
| 1999 | 28 | 0 |
| 2000 | 20 | 0 |
| 2001 | 22 | 11 |
| 2002 | 29 | 29 |
| 2003 | 23 | 17 |
| 2004 | 20 | 18 |
| 2005 | 9 | 25 |
| 2006 | 15 | 8 |
| 2007 | 14 | 6 |
| 2008 | 7 | 4 |
| 2009 | 1 | 4 |
| 2010 | 5 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 4 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- H04N 9/28Arrangements for convergence or focusing334
- H04N 9/29Using demagnetisation or compensation of external magnetic fields142
- H04N 9/22Using the same beam for more than one primary colour information127
- H04N 9/18Using separate electron beams for the primary colour signals36
- H04N 9/27With variable depth of penetration of electron beam into the luminescent layer26
Recent patents
- Control device, projection system, control method, and control program21 Jan 2025US 12,207,028 B2FUJIFILM Corporation
- Methods and apparatus to count people17 Jan 2023US 11,558,665 B2The Nielsen Company (US), LLC
- Methods and apparatus to count people12 Apr 2022US 11,303,960 B2The Nielsen Company (US), LLC
- Projecting device4 May 2021US 10,999,565 B2Panasonic Intellectual Property Management Co., Ltd.
- Methods and apparatus to count people3 Nov 2020US 10,827,218 B2The Nielsen Company (US), LLC
- Methods and apparatus to count people21 Jul 2022US 2022/0232283 A1The Nielsen Company (US), LLC
- Control device, projection system, control method, and control program28 Apr 2022US 2022/0132080 A1FUJIFILM Corporation
- Methods and apparatus to count people18 Feb 2021US 2021/0051366 A1The Nielsen Company (US), LLC
- Methods and apparatus to count people9 Jul 2020US 2020/0221175 A1The Nielsen Company (US), LLC
- Projecting device10 Jan 2019US 2019/0014295 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement with phase coordinated polarization switching238US 6,816,141 B1Fergason Patent Properties, LLC · 2004
- Regulating focus in accordance with relationship of features of a person's eyes173US 5,861,936 AGillan Holdings Limited · 1999
- Apparatus for suppressing field radiation from display device142US 5,260,626 ANanao Corporation · 1993
- Method and apparatus for reducing the intensity of magenetic field emissions from display device128US 5,594,615 AMTI, Inc. · 1997
- Optical display system and method, active and passive dithering using birefringence, color image superpositioning and display enhancement128US 6,184,969 B22001