G11B 15/67549
With servo control
Official title: {with servo control}
G11B15/67549 (With servo control) appears on 124 US grants and 3 published applications in this corpus.
Search patents in G11B- Granted patents
- 124
- Published applications
- 3
- Assignees
- 33
- Inventors
- 175
- Latest grant
- 16 Sep 2008
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 12 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 18 | 0 |
| 1992 | 5 | 0 |
| 1993 | 7 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 15 | 0 |
| 1999 | 10 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 1 |
| 2003 | 3 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Tape cartridge soft load system16 Sep 2008US 7,424,983 B2Quantum Corporation
- Magnetic tape device with a pressing mechanism8 Mar 2005US 6,865,054 B2Funai Electric Co., Ltd.
- Cassette loading device having dustproof mechanism9 Dec 2003US 6,661,595 B1Matsushita Electric Industrial Co., Ltd.
- Tape or disc record player equipped with standby power-saving means8 Jul 2003US 6,590,736 B2Orion Electric Co., Ltd.
- Recording and/or reproducing device having compact drive means for actuating means for the actuation of holder means for a cassette6 May 2003US 6,560,062 B1Koninklijke Philips Electronics N. V.
Most cited
By later US patents
- Tape cassette loading system compatible with two different sized cassettes64US 5,032,939 AVictor Company of Japan, Ltd. · 1991
- Compact apparatus having bidirectional motion for loading/unloading an information recording medium52US 5,546,370 AOlympus Optical Co., Ltd. · 1996
- Automatically loading mechanism for magnetic recording/reproducing apparatus25US 4,308,562 AClarion Co., Ltd. · 1981
- Lid locking mechanism for an automatic tape cassette loading and unloading apparatus24US 4,680,654 AVictor Company of Japan, Ltd. · 1987
- Single motor magnetic recording/playback apparatus using a worm and worm wheel22US 4,951,164 ASanyo Electric Co., Ltd. · 1990