H01J 31/38
Tubes with photoconductive screen
Official title: Tubes with photoconductive screen, e.g. vidicon
H01J31/38 (Tubes with photoconductive screen) appears on 50 US grants and 3 published applications in this corpus.
Search patents in H01J- Granted patents
- 50
- Published applications
- 3
- Assignees
- 21
- Inventors
- 89
- Latest grant
- 16 Nov 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 6 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Imaging apparatus having electron source array that emits electrons during a blanking period16 Nov 2010US 7,834,308 B2Futaba Corporation
- Electro-optical device including a field emission array and photoconductive layer13 Apr 2004US 6,720,569 B1Motorola, Inc.
- Camera with a very fast non-smear tube24 Aug 1999US 5,943,091 AFrance Telecom
- Flat panel detector and image sensor with means for columating and focusing electron beams14 Apr 1998US 5,739,522 AUniversity of Connecticut
- Flat panel detector and image sensor22 Oct 1996US 5,567,929 AUniversity of Connecticut
Most cited
By later US patents
- Flat panel detector and image sensor17US 5,567,929 AUniversity of Connecticut · 1996
- Imaging apparatus and operation method of the same13US 5,488,386 AHitachi, Ltd. & Nippon Hoso Kyokai · 1996
- Electrical information storage system11US 4,085,455 AXerox Corporation · 1978
- X-ray television apparatus11US 5,023,896 AHitachi Medical Corporation · 1991
- X-ray and gamma ray electron beam imaging tube having a sensor-target layer composed of a lead mixture11US 5,306,907 AUniversity of Connecticut · 1994