G11B 15/448
Automatic reverse drive transfer therefor
Official title: {automatic reverse drive transfer therefor}
G11B15/448 (Automatic reverse drive transfer therefor) appears on 4 US grants and 0 published applications in this corpus.
Search patents in G11B- Granted patents
- 4
- Published applications
- 0
- Assignees
- 4
- Inventors
- 7
- Latest grant
- 3 Dec 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 2019 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Rewinding a tape medium3 Dec 2019US 10,497,391 B1International Business Machines Corporation
- Changeover mechanism for the magnetic heads or pinch rollers of an automatic reverse tape recorder5 Jan 1982US 4,309,733 AOlympus Optical Co., Ltd.
- Drive mechanism for a tape recorder16 Oct 1979US 4,171,111 AFirma Magnetronic Gesellschaft fur Elektronisch-Mechanisch Gerate mbH & Co. Entwicklungs KG
- Device for the bidirectional movement of an information support19 Jul 1977US 4,036,458 ATelectronics N.V.
No published applications in this class yet.
Most cited
By later US patents
- Changeover mechanism for the magnetic heads or pinch rollers of an automatic reverse tape recorder11US 4,309,733 AOlympus Optical Co., Ltd. · 1982
- Rewinding a tape medium4US 10,497,391 B1International Business Machines Corporation · 2019
- Device for the bidirectional movement of an information support4US 4,036,458 ATelectronics N.V. · 1977
- Drive mechanism for a tape recorder2US 4,171,111 AFirma Magnetronic Gesellschaft fur Elektronisch-Mechanisch Gerate mbH & Co. Entwicklungs KG · 1979