H01J 31/58
Tubes for storage of image or information pattern or for conversion of
Official title: Tubes for storage of image or information pattern or for conversion of definition of television or like images, i.e. having electrical input and electrical output {(electrostatic memories using electron beam tubes G11C11/23)}
H01J31/58 (Tubes for storage of image or information pattern or for conversion of) appears on 41 US grants and 3 published applications in this corpus.
Search patents in H01J- Granted patents
- 41
- Published applications
- 3
- Assignees
- 21
- Inventors
- 35
- Latest grant
- 24 Sep 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Electron beam switch24 Sep 2013US 8,541,961 B2Hewlett-Packard Development Company, L. P.
- Electron beam switch20 Mar 2012US 8,138,838 B2Hewlett-Packard Development Company, L. P.
- Method and apparatus for storing data using spin-polarized electrons14 Nov 2000US 6,147,894 ATeraStore, Inc.
- Method and apparatus for storing data using spin-polarized electrons17 Nov 1998US 5,838,020 ATeraStore, Inc.
- Electronic charge store mechanism17 Nov 1998US 5,838,119 A
Most cited
By later US patents
- Mobile ion film memory50US 3,995,190 AButler, Binion, Rice, Cook & Knapp · 1976
- Enhanced electron beam addressed storage target38US 5,557,177 A1996
- Method and means for dynamic correction of electrostatic deflector for electron beam tube21US 4,142,132 AControl Data Corporation · 1979
- Mobile ion film memory14US 4,090,253 A1978
- Method and apparatus for storing data using spin-polarized electrons12US 5,546,337 ATeraStore, Inc. · 1996