G11B 15/6655
Using one loading ring, i.e. "c-type"
Official title: {using one loading ring, i.e. "C-type" (G11B15/6658 takes precedence)}
G11B15/6655 (Using one loading ring, i.e. "c-type") appears on 46 US grants and 7 published applications in this corpus.
Search patents in G11B- Granted patents
- 46
- Published applications
- 7
- Assignees
- 20
- Inventors
- 90
- Latest grant
- 28 Aug 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 1 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method of manufacturing a drum assembly associated with video tape machine28 Aug 2007US 7,260,884 B2Athan Corporation
- Pole base assembly for magnetic recording/reproducing apparatus8 May 2007US 7,215,505 B2Samsung Electronics Co., Ltd.
- Method and apparatus for maintaining consistent track pitch in helical scan recorder12 Sep 2006US 7,106,535 B2Exabyte Corporation
- Alternating-azimuth angle helical track format using grouped same-azimuth angle heads10 Jan 2006US 6,985,323 B2Exabyte Corporation
- Magnetic recording apparatus and magnetic recording method20 Apr 2004US 6,724,557 B2Sony Corporation
- Magnetic recording/reproducing device13 Nov 2008US 2008/0278848 A1Mitsumi Electric Co., Ltd.
- Method and apparatus for a drum assembly used in a video recording device21 Oct 2004US 2004/0205957 A1Athan Corporation
- Pole base assembly for magnetic recording/reproducing apparatus5 Aug 2004US 2004/0150908 A1Samsung Electronics Co., Ltd.
- Method and apparatus for maintaining consistent track pitch in helical scan recorder25 Dec 2003US 2003/0234998 A1Exabyte Corporation
- Alternating-azimuth angle helical track format using grouped same-azimuth angle heads13 Mar 2003US 2003/0048563 A1Exabyte Corporation
Most cited
By later US patents
- Cassette holding device for tape recording and/or reproducing apparatus22US 3,950,787 ASony Corporation · 1976
- Magnetic rotary head recorder with automatic tape loading and unloading22US 3,962,727 ASony Corporation · 1976
- Magnetic tape loading apparatus21US 4,357,639 ASony Corporation · 1982
- Tension control device for a video tape recording and/or reproducing apparatus20US 3,969,766 ASony Corporation · 1976
- Apparatus for indicating the amount of tape wound upon a reel19US 4,232,371 ASony Corporation · 1980