B41B 21/08
Light sources
Official title: Light sources; Devices associated therewith, e.g. control devices
B41B21/08 (Light sources) appears on 12 US grants and 0 published applications in this corpus.
Search patents in B41B- Granted patents
- 12
- Published applications
- 0
- Assignees
- 8
- Inventors
- 14
- Latest grant
- 21 Jul 1987
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Light beam scanning system21 Jul 1987US 4,681,394 AFuji Photo Film Co., Ltd.
- Diode laser array system for printing and copying applications24 Apr 1984US 4,445,125 AXerox Corporation
- Photohead with flashing beam14 Dec 1982US 4,363,539 AGerber Scientific, Inc.
- Optical system for electro-optical scanner7 Jul 1981US 4,277,154 AEltra Corporation
- Photocomposing device and method3 Feb 1981US 4,248,509 A
No published applications in this class yet.
Most cited
By later US patents
- Laser photocomposition system and method29US 4,044,363 ADymo Industries, Inc. · 1977
- Diode laser array system for printing and copying applications27US 4,445,125 AXerox Corporation · 1984
- Light beam scanning system22US 4,681,394 AFuji Photo Film Co., Ltd. · 1987
- Photocomposing machine5US 4,141,632 A1979
- Optical system for electro-optical scanner5US 4,277,154 AEltra Corporation · 1981