G11B 11/10513
One of the light beam or the magnetic field being modulated by
Official title: {one of the light beam or the magnetic field being modulated by data and the other by a clock or frequency generator}
G11B11/10513 (One of the light beam or the magnetic field being modulated by) appears on 51 US grants and 10 published applications in this corpus.
Search patents in G11B- Granted patents
- 51
- Published applications
- 10
- Assignees
- 16
- Inventors
- 73
- Latest grant
- 21 Apr 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 4 |
| 2003 | 4 | 2 |
| 2004 | 2 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Recording method and apparatus for optical recording medium with a laminated structure having ROM and RAM layers21 Apr 2009US 7,522,499 B2Fujitsu Limited
- Stray field equalization for improved domain expansion reading10 Jun 2008US 7,385,883 B2Koninklijke Philips Electronics N. V.
- Magneto-optical recording for improved domain expansion reading11 Apr 2006US 7,027,365 B2Koninklijke Philips Electronics N. V.
- Method and apparatus for recording with a magneto-optical recording medium24 Feb 2004US 6,697,304 B2Sanyo Electric Co., Ltd.
- Reproducing method and reproducing apparatus for magneto-optical recording medium17 Feb 2004US 6,693,854 B2Hitachi Maxwell, Ltd.
- Optical storage medium, manufacturing method for optical storage medium, and optical storage device6 Sep 2007US 2007/0206449 A1Fujitsu Limited
- Recording method and apparatus for optical recording medium4 May 2006US 2006/0092787 A1Fujitsu Limited
- Stray field equalization for improved domain expansion reading6 Oct 2005US 2005/0219961 A1Koninklijke Philips Electronics N. V.
- Asymmetric run length constraints for increased resolution and power margin in mammos read-out5 May 2005US 2005/0094499 A1
- Reproducing method and reproducing apparatus for magneto-optical recording medium28 Aug 2003US 2003/0161221 A1Hitachi Maxell, Ltd.
Most cited
By later US patents
- Information recording medium with clock information therein96US 5,959,943 AHitachi, Ltd. · 1999
- Magneto-optical recording utilizing signal phase adjustment47US 5,450,381 ASony Corporation · 1995
- Method for reading magnetic super resolution type magneto-optical recording medium35US 6,188,649 B1Matsushita Electric Industrial Co., Ltd. · 2001
- Recording apparatus using magneto-optical effect including control means for inhibiting energizing of the light beam generating means in responsive to coded data30US 5,200,935 ASony Corporation · 1993
- Recording and reproducing apparatus using opto-magneto media20US 5,208,792 AMatsushita Electric Industrial Co., Ltd. · 1993