G03B 31/00
Associated working of cameras or projectors with sound-recording or sound-reproducing means
G03B31/00 (Associated working of cameras or projectors with sound-recording or sound-reproducing means) appears on 599 US grants and 406 published applications in this corpus.
Search patents in G03B- Granted patents
- 599
- Published applications
- 406
- Assignees
- 223
- Inventors
- 1,007
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 43 | 0 |
| 1977 | 23 | 0 |
| 1978 | 31 | 0 |
| 1979 | 21 | 0 |
| 1980 | 18 | 0 |
| 1981 | 9 | 0 |
| 1982 | 9 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 19 | 0 |
| 1997 | 18 | 0 |
| 1998 | 22 | 0 |
| 1999 | 8 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 1 |
| 2002 | 10 | 9 |
| 2003 | 8 | 10 |
| 2004 | 1 | 9 |
| 2005 | 4 | 16 |
| 2006 | 8 | 20 |
| 2007 | 4 | 15 |
| 2008 | 6 | 5 |
| 2009 | 14 | 13 |
| 2010 | 8 | 16 |
| 2011 | 12 | 9 |
| 2012 | 9 | 15 |
| 2013 | 8 | 15 |
| 2014 | 17 | 22 |
| 2015 | 17 | 23 |
| 2016 | 15 | 19 |
| 2017 | 19 | 16 |
| 2018 | 14 | 18 |
| 2019 | 14 | 20 |
| 2020 | 21 | 21 |
| 2021 | 12 | 34 |
| 2022 | 24 | 22 |
| 2023 | 21 | 18 |
| 2024 | 16 | 20 |
| 2025 | 19 | 11 |
| 2026 | 11 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G03B 31/02In which sound track is on a moving-picture film172
- G03B 31/06In which sound track is associated with successively-shown still pictures140
- G03B 31/04In which sound track is not on, but is synchronised with, a42
- G03B 31/08Associated working of cameras or projectors with sound-recording or sound-reproducing means: with1
Recent patents
- Projection device29 Sep 2026US 12,748,345 B2Coretronic Corporation
- Projection apparatus29 Sep 2026US 12,748,346 B1Guangzhou Lihe Electronic Technology Co., Ltd.
- Projector having speaker unit with air circulation path25 Aug 2026US 12,717,221 B2Seiko Epson Corporation
- Projector with audio and animation18 Aug 2026US 12,710,690 B2Cottage Door Press, LLC
- Image pickup apparatus having microphones28 Jul 2026US 12,696,032 B2Canon Kabushiki Kaisha
- Imaging apparatus24 Sep 2026US 2026/0287985 A1Arashi Vision Inc.
- Linkage system with led projection and sound28 May 2026US 2026/0147265 A1Gba Branch of Aerospace Information Research Institute, Chinese Academy of Sciences
- Electronic Device7 May 2026US 2026/0126704 A1Shenzhen Reolink Technology Co., Ltd.
- Image projector, and method for controlling same2 Apr 2026US 2026/0093168 A1LG Electronics Inc.
- Projection method, projection system, and non-transitory computer-readable storage medium storing program26 Mar 2026US 2026/0089298 A1Seiko Epson Corporation
Most cited
By later US patents
- Method for automatically producing music videos451US 7,027,124 B2Fuji Xerox Co., Ltd. · 2006
- Index print with a digital recording medium containing still images, motion sequences, and sound sequences256US 5,706,097 AEastman Kodak Company · 1998
- Data recording apparatus for still camera176US 4,983,996 ACasio Computer Co., Ltd. · 1991
- Photographic film still camera system with audio recording167US 5,276,472 AEastman Kodak Company · 1994
- Image processing apparatus and audio-coded recording media167US 6,421,470 B1Noritsu Koki Co., Ltd. · 2002