H01J 31/208
Using variable penetration depth of the electron beam in the luminescent layer
Official title: {using variable penetration depth of the electron beam in the luminescent layer, e.g. penetrons}
H01J31/208 (Using variable penetration depth of the electron beam in the luminescent layer) appears on 13 US grants and 0 published applications in this corpus.
Search patents in H01J- Granted patents
- 13
- Published applications
- 0
- Assignees
- 6
- Inventors
- 18
- Latest grant
- 12 Nov 1991
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Color monitor12 Nov 1991US 5,065,077 A
- Color display apparatus including a CRT with internal switching valve21 Apr 1987US 4,660,076 AU. S. Philips Corporation
- Current dependent type color cathode ray tube7 Oct 1986US 4,616,161 ASony Corporation
- Penetron color display tube with channel plate electron multiplier16 Sep 1986US 4,612,483 AU. S. Philips Corporation
- Beam penetration CRT with internal automatic constant deflection factor and pattern correction29 Apr 1986US 4,585,976 AHewlett-Packard Company
No published applications in this class yet.
Most cited
By later US patents
- CRT With internal thermionic valve for high voltage control14US 4,450,387 AHewlett-Packard Company · 1984
- Cathode-ray tube with variable energy of beam electrons12US 4,142,133 A1979
- Plural filter system cooperating with cathode ray display with lanthanum host phosphor emissive in two colors9US 3,946,267 ASperry Rand Corporation · 1976
- Color display apparatus including a CRT with internal switching valve6US 4,660,076 AU. S. Philips Corporation · 1987
- Display system with rapid color switching5US 4,099,088 ARaytheon Company · 1978