G03B 7/26
Power supplies
Official title: Power supplies; Circuitry or arrangement to switch on the power source; Circuitry to check the power source voltage
G03B7/26 (Power supplies) appears on 362 US grants and 157 published applications in this corpus.
Search patents in G03B- Granted patents
- 362
- Published applications
- 157
- Assignees
- 96
- Inventors
- 590
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 16 | 0 |
| 1990 | 16 | 0 |
| 1991 | 15 | 0 |
| 1992 | 11 | 0 |
| 1993 | 7 | 0 |
| 1994 | 15 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 21 | 0 |
| 1999 | 8 | 0 |
| 2000 | 13 | 0 |
| 2001 | 7 | 1 |
| 2002 | 9 | 8 |
| 2003 | 5 | 4 |
| 2004 | 12 | 5 |
| 2005 | 2 | 7 |
| 2006 | 1 | 7 |
| 2007 | 2 | 13 |
| 2008 | 6 | 13 |
| 2009 | 11 | 8 |
| 2010 | 7 | 3 |
| 2011 | 7 | 7 |
| 2012 | 6 | 5 |
| 2013 | 7 | 10 |
| 2014 | 5 | 2 |
| 2015 | 9 | 2 |
| 2016 | 1 | 2 |
| 2017 | 4 | 2 |
| 2018 | 2 | 6 |
| 2019 | 2 | 4 |
| 2020 | 6 | 7 |
| 2021 | 4 | 9 |
| 2022 | 8 | 4 |
| 2023 | 9 | 7 |
| 2024 | 5 | 7 |
| 2025 | 5 | 6 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical element driving mechanism6 Oct 2026US 12,754,460 B2Actutek Corporation
- Optical element driving mechanism28 Jul 2026US 12,693,458 B2Actutek Corporation
- Underwater photographic device26 May 2026US 12,638,753 B2Chasing-Innovation Technology Co., Ltd.
- Integrated sensor-optical component accessory for image capture device23 Dec 2025US 12,504,671 B2GoPro, Inc.
- Trigger with charging effect7 Oct 2025US 12,436,445 B1Shenzhen Mingmei Mobile Technology Co., Ltd
- Monitor Having Charging Effect21 May 2026US 2026/0140425 A1Dongguan Miles Precision Manufacturing Co., Ltd
- Variable aperture assembly and lens module thereof14 May 2026US 2026/0133470 A1Guangzhou Luxvisions Innovation Technology Limited
- Accelerometer-based trigger system for ride cameras on amusement attractions2 Apr 2026US 2026/0093156 A1
- Integrated Sensor-Optical Component Accessory For Image Capture Device26 Mar 2026US 2026/0086426 A1GoPro, Inc.
- Imaging system for bulk transport vehicles26 Feb 2026US 2026/0056134 A1Dimension Product Solutions LP
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
- Encodement-on-film recording apparatus utilizes flash components in a camera111US 5,619,737 AEastman Kodak Company · 1997
- Power source device79US 4,782,355 ACanon Kabushiki Kaisha · 1988
- Photographic lens, camera body, and camera system75US 5,727,241 ANikon Corporation · 1998
- Power supply system for memory unit of camera58US 4,662,736 AMinolta Camera Kabushiki Kaisha · 1987