G11B 3/0957
Using optical means for detecting the end of the recording or the
Official title: {using optical means for detecting the end of the recording or the desired point thereof}
G11B3/0957 (Using optical means for detecting the end of the recording or the) appears on 27 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 27
- Published applications
- 0
- Assignees
- 10
- Inventors
- 38
- Latest grant
- 31 Mar 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Light monitoring circuit for a manual to automatic turntable conversion31 Mar 2020US 10,607,634 B1
- Manual to automatic turntable player conversion27 Nov 2018US 10,141,012 B1
- Record-player switch-off device2 May 1989US 4,827,467 ADeutsche Thomson-Brandt GmbH
- Apparatus for a record player distinguishing between recorded and unrecorded portions of a disc17 Nov 1987US 4,707,815 ATokyo Shibaura Denki Kabushiki Kaisha
- Dual drive system for phono pickup arm1 Apr 1986US 4,580,257 APioneer Electronic Corporation
No published applications in this class yet.
Most cited
By later US patents
- Cueing device for phonographs350US 4,079,944 A1978
- Apparatus for a record player distinguishing between recorded and unrecorded portions of a disc345US 4,707,815 ATokyo Shibaura Denki Kabushiki Kaisha · 1987
- Programmable record changer25US 4,093,832 AMarvin Glass & Associates · 1978
- Automatic record player of linear tracking pickup arm type21US 4,135,086 ANippon Gakki Seizo Kabushiki Kaisha · 1979
- Programmable phonograph device16US 4,109,114 AMarvin Glass & Associates · 1978