G09G 1/22
Control arrangements or circuits, of interest only in connection with cathode-ray tube
Official title: using tubes permitting selection of a complete character from a number of characters {(tubes therefor H01J31/16)}
G09G1/22 (Control arrangements or circuits, of interest only in connection with cathode-ray tube) appears on 4 US grants and 0 published applications in this corpus.
Search patents in G09G- Granted patents
- 4
- Published applications
- 0
- Assignees
- 4
- Inventors
- 9
- Latest grant
- 6 Oct 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Electron beam-generating apparatus, image-forming apparatus, and driving methods thereof6 Oct 1998US 5,818,403 ACanon Kabushiki Kaisha
- Multicolor display from monochrome or multicolor control unit22 Oct 1985US 4,549,172 AMotorola, Inc.
- Semiconductor heterojunction television imaging tube18 Oct 1977US 4,054,896 ARaytheon Company
- Method and apparatus for phototypesetting26 Jul 1977US 4,038,493 ARockwell International Corporation
No published applications in this class yet.
Most cited
By later US patents
- Multicolor display from monochrome or multicolor control unit27US 4,549,172 AMotorola, Inc. · 1985
- Electron beam-generating apparatus, image-forming apparatus, and driving methods thereof16US 5,818,403 ACanon Kabushiki Kaisha · 1998
- Method and apparatus for phototypesetting9US 4,038,493 ARockwell International Corporation · 1977