H01J 29/894
Arrangements combined with the vessel for the purpose of image projection on
Official title: {Arrangements combined with the vessel for the purpose of image projection on a screen (projection arrangements for image reproduction, e.g. using eidophor H04N5/74)}
H01J29/894 (Arrangements combined with the vessel for the purpose of image projection on) appears on 59 US grants and 11 published applications in this corpus.
Search patents in H01J- Granted patents
- 59
- Published applications
- 11
- Assignees
- 33
- Inventors
- 105
- Latest grant
- 2 Jan 2007
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 0 |
| 2002 | 2 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 3 |
| 2005 | 3 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Cathode ray tube provided with a faceplate having a convex outer surface and a lens assembly attached therein2 Jan 2007US 7,157,844 B2Hitachi Displays, Ltd.
- CRT assembly of projection television6 Dec 2005US 6,972,808 B2Samsung Electronics Co., Ltd.
- Highly sensitive imaging camera for space applications including detection of ultrahigh energy cosmic rays18 Oct 2005US 6,956,193 B2The Regents of the University of California
- Cooling structure of a projection tube22 Mar 2005US 6,870,307 B2Hitachi, Ltd.
- Cathode ray tube coupler with grounding ribbs24 Feb 2004US 6,696,776 B2Sony Corporation
- Projection-type cathode ray tube11 May 2006US 2006/0097619 A1
- Projection optical system and projection television employing the same30 Jun 2005US 2005/0140831 A1Samsung Electronics Co., Ltd.
- Optical coupler for projection display23 Jun 2005US 2005/0134164 A13M Innovative Properties Company
- Cathode ray tube device4 Nov 2004US 2004/0217686 A1Hitachi Displays, Ltd.
- Electron-beam controlled micromirror (ECM) projection display system21 Oct 2004US 2004/0207768 A1
Most cited
By later US patents
- High resolution, high intensity video projection cathode ray tube provided with a cooled reflective phosphor screen support58US 5,801,792 ASWZ Engineering Ltd. · 1998
- Method for improving the white field uniformity of a projection color TV using CRTs having interference filters, projection color TV and CRTs resulting from the method26US 4,914,510 ANorth American Philips Corporation · 1990
- Short focal length video color projector employing dichroic mirror block23US 5,168,351 ANorth American Philips Corporation · 1992
- Led image tube light valve21US 3,971,931 AThe United States of America as represented by the Secretary of the Navy · 1976
- Liquid coupling system for video projectors20US 4,511,927 ANational Viewtech Corp. · 1985