G03B 27/722
When the reproduction scale is changed
Official title: {when the reproduction scale is changed}
G03B27/722 (When the reproduction scale is changed) appears on 17 US grants and 1 published applications in this corpus.
Search patents in G03B- Granted patents
- 17
- Published applications
- 1
- Assignees
- 11
- Inventors
- 31
- Latest grant
- 15 Mar 2005
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and method for projecting graphic information onto a light-sensitive material15 Mar 2005US 6,867,847 B2Agfa-Gevaert
- Copying of film under different conditions25 Aug 1998US 5,798,821 AAgfa-Gevaert
- Method and apparatus for calibrating iris of photographic printer16 Jun 1998US 5,767,950 AEastman Kodak Company
- Apparatus for controlling the quantity of light of a copying apparatus15 Oct 1991US 5,057,864 ATopcon Corporation
- Method and apparatus for determining printing exposure amount20 Aug 1991US 5,041,868 AFuji Photo Film Co., Ltd.
Most cited
By later US patents
- Linear exposure control system46US 4,113,378 AItek Corporation · 1978
- Method and apparatus for calibrating iris of photographic printer26US 5,767,950 AEastman Kodak Company · 1998
- Image formation apparatus13US 4,320,964 ACanon Kabushiki Kaisha · 1982
- Photographic printing apparatus10US 5,038,168 AKonica Corporation · 1991
- Photographic copying machine with exchangeable format masks8US 4,236,817 AAgfa-Gevaert · 1980