H04N 2209/043
Using an alternating colour separation filter
Official title: using an alternating colour separation filter, e.g. colour wheel or colour LCD
H04N2209/043 (Using an alternating colour separation filter) appears on 42 US grants and 48 published applications in this corpus.
Search patents in H04N- Granted patents
- 42
- Published applications
- 48
- Assignees
- 31
- Inventors
- 100
- Latest grant
- 28 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 3 | 4 |
| 2011 | 1 | 2 |
| 2012 | 2 | 0 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 2 | 7 |
| 2016 | 7 | 4 |
| 2017 | 4 | 8 |
| 2018 | 6 | 2 |
| 2019 | 6 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Pixelated programmable neutral density filter array28 Jan 2025US 12,212,861 B2QUALCOMM Incorporated
- Multiple band pass Bayer pattern filter1 Oct 2024US 12,108,170 B2Intuitive Surgical Operations, Inc.
- Projector imaging system with auto-homing tunable filter17 Aug 2021US 11,092,492 B2Unispectral Ltd.
- Optical phase retrieval systems using color-multiplexed illumination1 Jun 2021US 11,022,731 B2The Regents of the University of California
- Camera with tunable filter and active illumination12 Nov 2019US 10,477,173 B1Microsoft Technology Licensing, LLC
- Multiple band pass bayer pattern filter26 Dec 2024US 2024/0430586 A1Intuitive Surgical Operations, Inc.
- Pixelated programmable neutral density filter array10 Nov 2022US 2022/0360750 A1QUALCOMM Incorporated
- Multiple band pass bayer pattern filter7 Oct 2021US 2021/0307687 A1Intuitive Surgical Operations, Inc.
- Projector imaging system with auto-homing tunable filter20 Aug 2020US 2020/0264049 A1Unispectral Ltd.
- Camera with tunable filter and active illumination28 Nov 2019US 2019/0364254 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- Image processing system which calculates and displays color grade data and display image data29US 7,876,955 B2Olympus Corporation · 2011
- Colorimetric imaging system25US 6,760,475 B1Cambridge Research & Instrumentation, Inc. · 2004
- Color image sensor for short-time exposure24US 6,518,558 B12003
- Illumination device and projector with fluorescent plate20US 8,678,596 B2Seiko Epson Corporation · 2014
- Solid-state image capture system including H-PDLC color separation element18US 6,166,800 AXerox Corporation · 2000