G11B 7/0914
By non-optical methods
Official title: {by non-optical methods, e.g. capacitive}
G11B7/0914 (By non-optical methods) appears on 16 US grants and 2 published applications in this corpus.
Search patents in G11B- Granted patents
- 16
- Published applications
- 2
- Assignees
- 10
- Inventors
- 32
- Latest grant
- 27 Aug 2002
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Beam irradiation apparatus, optical apparatus having beam irradiation apparatus for information recording medium, method for manufacturing original disk for information recording medium, and method for manufacturing information recording medium27 Aug 2002US 6,442,110 B1Sony Corporation
- Near-field optical recording/reading apparatus20 Aug 2002US 6,438,092 B1Minolta Co., Ltd.
- Position controller and position control method of optical system and recording/reproducing apparatus and driving method thereof11 Jun 2002US 6,404,710 B1Sony Corporation
- Mechanism for controlling spacing between optical head and storage medium in optical storage systems28 May 2002US 6,396,783 B1Terastor Corporation
- Optical head and drive device for optical recording medium23 Oct 2001US 6,307,689 B1Sony Corporation
Most cited
By later US patents
- Beam irradiation apparatus, optical apparatus having beam irradiation apparatus for information recording medium, method for manufacturing original disk for information recording medium, and method for manufacturing information recording medium56US 6,442,110 B1Sony Corporation · 2002
- Opto-electronic apparatus for inscribing and/or reading recording tracks by means of a radiation beam38US 4,561,081 AU. S. Philips Corporation · 1985
- Apparatus for measuring the clearance of recording transducer, and a recorder using the apparatus, and a method of controlling the recorder38US 5,153,785 AHitachi, Ltd. · 1992
- Capacitance distance sensor apparatus for video disc player/recorder35US 4,183,060 ARCA Corporation · 1980
- Optical head and drive device for optical recording medium25US 6,307,689 B1Sony Corporation · 2001