G11B 15/4671
By controlling simultaneously the speed of the tape and the speed of
Official title: {by controlling simultaneously the speed of the tape and the speed of the rotating head}
G11B15/4671 (By controlling simultaneously the speed of the tape and the speed of) appears on 174 US grants and 25 published applications in this corpus.
Search patents in G11B- Granted patents
- 174
- Published applications
- 25
- Assignees
- 39
- Inventors
- 255
- Latest grant
- 30 Aug 2011
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 7 | 0 |
| 1996 | 11 | 0 |
| 1997 | 16 | 0 |
| 1998 | 16 | 0 |
| 1999 | 17 | 0 |
| 2000 | 20 | 0 |
| 2001 | 13 | 4 |
| 2002 | 5 | 1 |
| 2003 | 3 | 2 |
| 2004 | 2 | 4 |
| 2005 | 4 | 2 |
| 2006 | 6 | 4 |
| 2007 | 3 | 1 |
| 2008 | 1 | 6 |
| 2009 | 0 | 1 |
| 2010 | 3 | 0 |
| 2011 | 3 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Apparatus and method for receiving and recording digital information30 Aug 2011US 8,009,375 B2Hitachi Consumer Electronics Co., Ltd.
- Method for transmitting digital audio and video information31 May 2011US 7,952,823 B2Hitachi Consumer Electronics Co., Ltd.
- Apparatus, system, and method for optimizing fast access data storage on segmented tape media4 Jan 2011US 7,864,479 B2International Business Machines Corporation
- Method and apparatus for transmitting and receiving digital video and audio information28 Dec 2010US 7,859,777 B2Hitachi Consumer Electronics Co., Ltd.
- Method and apparatus for controlling motion of storage media12 Oct 2010US 7,813,069 B2Hewlett-Packard Development Company, L. P.
- Apparatus, system, and method for optimizing fast access data storage on segmented tape media19 Mar 2009US 2009/0077310 A1International Business Machines Corporation
- Digital Information Recording/Reproducing Apparatus16 Oct 2008US 2008/0253743 A1Hitachi Consumer Electronics Co., Ltd.
- Apparatus, system, and method for optimizing fast access data storage on segmented tape media9 Oct 2008US 2008/0247077 A1International Business Machines Corporation
- Method and apparatus for controlling motion of storage media4 Sep 2008US 2008/0212224 A1Hewlett-Packard Development Company, L. P.
- Digital Information Recording/Reproducing Apparatus24 Jul 2008US 2008/0175314 A1Hitachi Consumer Electronics Co., Ltd.
Most cited
By later US patents
- Transmission, recording and reproduction of digital data and time information in transport packets using a compression ratio69US 5,835,668 ASony Corporation · 1998
- Packet data system recording time stamps and packet data on tracks formed on a storage medium in synchronism with changes in time stamp values52US 6,011,899 AVictor Company of Japan, Ltd. · 2000
- Apparatus for recording and reproducing digital signals stored on magnetic tape50US 5,727,113 AKabushiki Kaisha Toshiba · 1998
- Transmission, recording and reproduction of digital data and time information in transport packets using a compression ratio49US 5,859,949 ASony Corporation · 1999
- Video recording apparatus having low and high resolution operational modes47US 4,730,222 AEastman Kodak Company · 1988