G03B 7/00
Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
Official title: Control of exposure by setting shutters, diaphragms or filters, separately or conjointly (control of exposure in television cameras by means of circuitry influencing the optical part of the camera H04N23/75)
G03B7/00 (Control of exposure by setting shutters, diaphragms or filters, separately or conjointly) appears on 3,813 US grants and 1,549 published applications in this corpus.
Search patents in G03B- Granted patents
- 3,813
- Published applications
- 1,549
- Assignees
- 528
- Inventors
- 3,979
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 104 | 0 |
| 1977 | 125 | 0 |
| 1978 | 134 | 0 |
| 1979 | 81 | 0 |
| 1980 | 82 | 0 |
| 1981 | 119 | 0 |
| 1982 | 121 | 0 |
| 1983 | 72 | 0 |
| 1984 | 129 | 0 |
| 1985 | 96 | 0 |
| 1986 | 64 | 0 |
| 1987 | 82 | 0 |
| 1988 | 79 | 0 |
| 1989 | 89 | 0 |
| 1990 | 116 | 0 |
| 1991 | 103 | 0 |
| 1992 | 104 | 0 |
| 1993 | 100 | 0 |
| 1994 | 92 | 0 |
| 1995 | 73 | 0 |
| 1996 | 105 | 0 |
| 1997 | 110 | 0 |
| 1998 | 140 | 0 |
| 1999 | 71 | 0 |
| 2000 | 70 | 0 |
| 2001 | 43 | 15 |
| 2002 | 51 | 31 |
| 2003 | 36 | 29 |
| 2004 | 36 | 21 |
| 2005 | 21 | 37 |
| 2006 | 16 | 51 |
| 2007 | 12 | 94 |
| 2008 | 27 | 71 |
| 2009 | 53 | 60 |
| 2010 | 70 | 50 |
| 2011 | 67 | 72 |
| 2012 | 56 | 61 |
| 2013 | 50 | 46 |
| 2014 | 52 | 44 |
| 2015 | 67 | 56 |
| 2016 | 47 | 58 |
| 2017 | 56 | 71 |
| 2018 | 54 | 88 |
| 2019 | 60 | 81 |
| 2020 | 96 | 127 |
| 2021 | 102 | 84 |
| 2022 | 85 | 70 |
| 2023 | 66 | 70 |
| 2024 | 41 | 56 |
| 2025 | 58 | 63 |
| 2026 | 30 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03B 7/08Control effected solely on the basis of the response, to the intensity2,389
- G03B 7/16In accordance with both the intensity of the flash source and the715
- G03B 7/26Power supplies362
- G03B 7/24Automatically in accordance with markings or other means indicating film speed or210
- G03B 7/20In accordance with change of lens180
- G03B 7/28Circuitry to measure or to take account of the object contrast147
- G03B 7/18In accordance with light-reducing "factor" of filter or other obturator used with64
- G03B 7/003Setting of both shutter and diaphragm60
All 14 subgroupsShow fewer
- G03B 7/02Control effected by setting a graduated member on the camera in accordance25
- G03B 7/22In accordance with temperature or height23
- G03B 7/006Setting of both diaphragm and distance20
- G03B 7/01Control of exposure by setting shutters, diaphragms or filters, separately or conjointly13
- G03B 7/04Control effected by hand adjustment of a member that senses indication of11
- G03B 7/30Safety arrangements for control of exposure11
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Most cited
By later US patents
- Apparatus for and method of controlling digital image processing apparatus1,018US 8,427,430 B2Samsung Electronics Co., Ltd. · 2013
- Method and apparatus for configuring a camera through external means365US 6,006,039 AFotoNation Limited · 1999
- Versatile camera for various visibility conditions273US 7,496,293 B2Elbit Systems Ltd. · 2009
- System for exposure measurement and/or focus detection by means of image senser215US 4,047,187 ACanon Kabushiki Kaisha · 1977
- Intelligent camera flash system204US 6,151,073 AFotoNation Limited · 2000