H04N 9/3185
Geometric adjustment
Official title: {Geometric adjustment, e.g. keystone or convergence (optical or mechanical adjustment of convergence H04N9/317; using scanning means H04N3/22; optical or mechanical adjustments of projectors not peculiar to the presence of an electronic spatial light modulator G03B21/14)}
H04N9/3185 (Geometric adjustment) appears on 1,927 US grants and 2,387 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,927
- Published applications
- 2,387
- Assignees
- 613
- Inventors
- 3,414
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 9 | 8 |
| 2002 | 18 | 13 |
| 2003 | 16 | 21 |
| 2004 | 17 | 33 |
| 2005 | 15 | 57 |
| 2006 | 35 | 44 |
| 2007 | 40 | 34 |
| 2008 | 27 | 44 |
| 2009 | 19 | 64 |
| 2010 | 28 | 53 |
| 2011 | 40 | 75 |
| 2012 | 60 | 77 |
| 2013 | 60 | 76 |
| 2014 | 71 | 106 |
| 2015 | 93 | 140 |
| 2016 | 112 | 154 |
| 2017 | 153 | 163 |
| 2018 | 144 | 166 |
| 2019 | 160 | 175 |
| 2020 | 155 | 155 |
| 2021 | 137 | 156 |
| 2022 | 146 | 148 |
| 2023 | 112 | 118 |
| 2024 | 94 | 110 |
| 2025 | 69 | 112 |
| 2026 | 62 | 85 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image processing apparatus, image processing method, and image processing program6 Oct 2026US 12,756,800 B2FUJIFILM Corporation
- Electronic device and operating method of the electronic device6 Oct 2026US 12,756,804 B2Samsung Electronics Co., Ltd.
- Control method for projector for maintaining constant display size6 Oct 2026US 12,756,805 B2Seiko Epson Corporation
- System and method for projection mapping actuatable objects22 Sep 2026US 12,744,869 B2Universal City Studios LLC
- Displaying image data in a vehicle with changing projection surface15 Sep 2026US 12,737,834 B2Connaught Electronics Ltd.
- Control method for projection apparatus, projection system, and non-transitory computer-readable storage medium storing program8 Oct 2026US 2026/0313081 A1Seiko Epson Corporation
- Ultrahigh bandgap algan channel hemts with low contact resistance1 Oct 2026US 2026/0303761 A1
- Method of controlling optical system1 Oct 2026US 2026/0303762 A1Seiko Epson Corporation
- Portable device for displaying graphical information on a remote object1 Oct 2026US 2026/0303764 A1EXTEND3D GmbH
- Projection display method and projection display device24 Sep 2026US 2026/0292113 A1Anker Innovations Technology Co., Ltd.
Most cited
By later US patents
- Headwear with computer and optical element for use therewith and systems utilizing same333US 10,509,466 B1Snap Inc. · 2019
- Apparatus and method for performing image transforms in a digital display system302US 6,456,340 B1Pixonics, LLC · 2002
- System and method for using temporal gamma and reverse super-resolution to process images for use in digital display systems292US 6,340,994 B12002
- View projection matrix based high performance low latency display pipeline245US 8,013,904 B2Seiko Epson Corporation · 2011
- System and method for automated calibration and correction of display geometry and color234US 8,406,562 B2Geo Semiconductor Inc. · 2013