G02B 27/024
Comprising a light source
Official title: {comprising a light source, e.g. for viewing photographic slides, X-ray transparancies (G02B27/023, and photographic, cine and overhead projectors G03B21/00 and subgroups)}
G02B27/024 (Comprising a light source) appears on 336 US grants and 245 published applications in this corpus.
Search patents in G02B- Granted patents
- 336
- Published applications
- 245
- Assignees
- 207
- Inventors
- 651
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 3 | 0 |
| 1981 | 8 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 15 | 0 |
| 1999 | 13 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 0 |
| 2002 | 4 | 7 |
| 2003 | 4 | 2 |
| 2004 | 5 | 5 |
| 2005 | 3 | 5 |
| 2006 | 4 | 6 |
| 2007 | 3 | 13 |
| 2008 | 5 | 7 |
| 2009 | 6 | 5 |
| 2010 | 0 | 12 |
| 2011 | 5 | 6 |
| 2012 | 4 | 6 |
| 2013 | 4 | 4 |
| 2014 | 5 | 11 |
| 2015 | 9 | 16 |
| 2016 | 12 | 9 |
| 2017 | 9 | 12 |
| 2018 | 14 | 19 |
| 2019 | 13 | 19 |
| 2020 | 12 | 12 |
| 2021 | 10 | 10 |
| 2022 | 10 | 7 |
| 2023 | 7 | 17 |
| 2024 | 9 | 15 |
| 2025 | 9 | 9 |
| 2026 | 15 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Selective visualization of an image using second pass-through of polarized light6 Oct 2026US 12,754,439 B2Disney Enterprises, Inc.
- Interactive pepper's ghost effect system and method29 Sep 2026US 12,748,502 B2Universal City Studios LLC
- Tunable cylindrical lenses and head-mounted display including the same1 Sep 2026US 12,724,278 B2Magic Leap, Inc.
- Optical system16 Jun 2026US 12,656,595 B2Carl Zeiss AG
- Display device16 Jun 2026US 12,656,604 B2Sony Group Corporation
- Changer for Optical Elements and Optical Instrument1 Oct 2026US 2026/0299281 A1ATMOS MedizinTechnik GmbH & Co. KG
- Anti-Reflection Coated Lens for Fast Axis Collimation16 Jul 2026US 2026/0202585 A1Waymo LLC
- Systems and methods for integrating virtual display systems using field evolving cavities integrated in a vehicle9 Jul 2026US 2026/0194761 A1Brelyon, Inc.
- Low vision assistive monocular device9 Jul 2026US 2026/0194762 A1Renew Optics, Inc.
- Teleprompter2 Jul 2026US 2026/0186280 A1Aten International Co., Ltd.
Most cited
By later US patents
- Illuminating apparatus, display panel, view finder, video display apparatus, and video camera mounting the elements246US 6,992,718 B1Matsushita Electric Industrial Co., Ltd. · 2006
- Image comparison apparatus and method187US 6,424,332 B1Hunter Innovations, Inc. · 2002
- Compact display system with two stage magnification and immersed beam splitter97US 5,771,124 ASiliscape, Inc. · 1998
- Flat box system with multiple view optics92US 5,588,526 AInsight, Inc. · 1996
- Business card scanner and method of use87US 5,604,640 AMotorola, Inc. · 1997