H04N 9/3114
By using a sequential colour filter producing one colour at a time
Official title: {by using a sequential colour filter producing one colour at a time}
H04N9/3114 (By using a sequential colour filter producing one colour at a time) appears on 764 US grants and 832 published applications in this corpus.
Search patents in H04N- Granted patents
- 764
- Published applications
- 832
- Assignees
- 232
- Inventors
- 1,221
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 10 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 7 |
| 2002 | 17 | 34 |
| 2003 | 30 | 32 |
| 2004 | 39 | 33 |
| 2005 | 28 | 75 |
| 2006 | 40 | 95 |
| 2007 | 40 | 75 |
| 2008 | 39 | 41 |
| 2009 | 32 | 30 |
| 2010 | 31 | 21 |
| 2011 | 30 | 16 |
| 2012 | 17 | 22 |
| 2013 | 24 | 37 |
| 2014 | 22 | 34 |
| 2015 | 29 | 32 |
| 2016 | 33 | 34 |
| 2017 | 39 | 58 |
| 2018 | 54 | 33 |
| 2019 | 44 | 38 |
| 2020 | 36 | 30 |
| 2021 | 31 | 21 |
| 2022 | 12 | 10 |
| 2023 | 12 | 7 |
| 2024 | 8 | 6 |
| 2025 | 3 | 4 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Wheel of projector having damper23 Dec 2025US 12,504,621 B2Coretronic Corporation
- Electronic device and method for operating thereof and storage medium10 Sep 2026US 2026/0267421 A1Samsung Electronics Co., Ltd.
- Phosphor wheel device and image projection apparatus including the same4 Jun 2026US 2026/0156233 A1LG Electronics Inc.
- System for using digital light projectors for augmented reality30 Apr 2026US 2026/0118664 A1Snap Inc.
- Illumination system and projection device23 Apr 2026US 2026/0113418 A1Coretronic Corporation
- Projectors, aircraft projection systems, and methods for projecting images23 Apr 2026US 2026/0113421 A1The Boeing Company
Most cited
By later US patents
- Method and apparatus for sequential color imaging428US 5,448,314 ATexas Instruments Incorporated · 1995
- White light enhanced color field sequential projection415US 5,233,385 ATexas Instruments Incorporated · 1993
- High intensity lighting projectors319US 5,282,121 AVari-Lite, Inc. · 1994
- Color phase control for projection display using spatial light modulator306US 5,365,283 ATexas Instruments Incorporated · 1994
- Image display apparatus of liquid crystal valve projection type302US 4,389,096 AMatsushita Electric Industrial Co., Ltd. · 1983