H04N 13/334
Using spectral multiplexing
Official title: using spectral multiplexing
H04N13/334 (Using spectral multiplexing) appears on 480 US grants and 397 published applications in this corpus.
Search patents in H04N- Granted patents
- 480
- Published applications
- 397
- Assignees
- 202
- Inventors
- 648
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 11 | 0 |
| 1998 | 23 | 0 |
| 1999 | 15 | 0 |
| 2000 | 23 | 0 |
| 2001 | 22 | 6 |
| 2002 | 17 | 19 |
| 2003 | 13 | 10 |
| 2004 | 11 | 27 |
| 2005 | 13 | 9 |
| 2006 | 17 | 9 |
| 2007 | 7 | 7 |
| 2008 | 2 | 16 |
| 2009 | 3 | 16 |
| 2010 | 5 | 24 |
| 2011 | 6 | 22 |
| 2012 | 12 | 27 |
| 2013 | 26 | 32 |
| 2014 | 19 | 40 |
| 2015 | 29 | 19 |
| 2016 | 21 | 21 |
| 2017 | 21 | 22 |
| 2018 | 28 | 14 |
| 2019 | 18 | 19 |
| 2020 | 16 | 14 |
| 2021 | 13 | 6 |
| 2022 | 10 | 9 |
| 2023 | 7 | 1 |
| 2024 | 5 | 4 |
| 2025 | 3 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Three-dimensional image display system14 Jul 2026US 12,684,107 B2Axiom Holographics Pty Ltd
- Head-mounted display control apparatus, method for controlling head-mounted display control apparatus, and non-transitory computer readable storage medium9 Jun 2026US 12,650,802 B2Canon Kabushiki Kaisha
- Projection type image display device23 Dec 2025US 12,506,855 B2Panasonic Projector & Display Corporation
- Optical switch for single and multiple projectors16 Sep 2025US 12,416,814 B2Dolby Laboratories Licensing Corporation
- Projection optical engine, electronic device, and projection imaging method12 Aug 2025US 12,388,972 B2Huawei Technologies Co., Ltd.
- Low motion-to-photon latency architecture for augmented and virtual reality display systems23 Jul 2026US 2026/0211251 A1Magic Leap, Inc.
- Projection type image display device12 Jun 2025US 2025/0193364 A1Panasonic Holdings Corporation
- A three-dimensional image display system6 Feb 2025US 2025/0047829 A1Axiom Holographics Pty Ltd
- Projection system and method with blended color gamut2 Jan 2025US 2025/0008080 A1Dolby Laboratories Licensing Corporation
- Projection optical engine, electronic device, and projection imaging method11 Jul 2024US 2024/0236289 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Immersive video, including video hypermosaicing to generate from multiple video views of a scene a three-dimensional video mosaic from which diverse virtual video scene images are synthesized, including panoramic, scene interactive and stereoscopic images775US 5,850,352 AThe Regents of the University of California · 1998
- Machine dynamic selection of one video camera/image of a scene from multiple video cameras/images of the scene in accordance with a particular perspective on the scene, an object in the scene, or an event in the scene711US 5,729,471 AThe Regents of the University of California · 1998
- Image processing method and apparatus574US 6,496,598 B1Dynamic Digital Depth Research Pty Ltd · 2002
- Selective real image obstruction in a virtual reality display apparatus and method377US 6,559,813 B12003
- Machine synthesis of a virtual video camera/image of a scene from multiple video cameras/images of the scene in accordance with a particular perspective on the scene, an object in the scene, or an event in the scene358US 5,745,126 AThe Regents of the University of California · 1998