H04N 1/0847
Magnetic means
Official title: {Magnetic means}
H04N1/0847 (Magnetic means) appears on 9 US grants and 0 published applications in this corpus.
Search patents in H04N- Granted patents
- 9
- Published applications
- 0
- Assignees
- 6
- Inventors
- 11
- Latest grant
- 16 May 2000
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Magnetic cylinder with pressurized air holes16 May 2000US 6,062,140 AT. D. Wright, Inc.
- Variable mask and universal vacuum drum2 Feb 1999US 5,865,433 AOptronics International, LLC
- Scanning device12 Jan 1999US 5,859,441 AFuji Photo Film Co., Ltd.
- Universal vacuum drum and mask2 Jun 1998US 5,758,874 AOptronics International, LLC
- Variable mask and universal vacuum drum10 Feb 1998US 5,716,048 AOptronics International, LLC
No published applications in this class yet.
Most cited
By later US patents
- Light beam scanning system43US 4,750,045 AFuji Photo Film Co., Ltd. · 1988
- Automatic document processing device23US 4,138,102 AXerox Corporation · 1979
- Variable mask and universal vacuum drum14US 5,865,433 AOptronics International, LLC · 1999
- Photographic transparency supporting device12US 4,440,491 AKonan Camera Research Institute · 1984
- Magnetic cylinder with pressurized air holes10US 6,062,140 AT. D. Wright, Inc. · 2000