H01J 31/122
Direct viewing storage tubes without storage grid
Official title: {Direct viewing storage tubes without storage grid (with storage grid H01J31/18)}
H01J31/122 (Direct viewing storage tubes without storage grid) appears on 17 US grants and 0 published applications in this corpus.
Search patents in H01J- Granted patents
- 17
- Published applications
- 0
- Assignees
- 3
- Inventors
- 20
- Latest grant
- 21 May 1985
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Resistive mesh structure for electroluminescent cell21 May 1985US 4,518,891 AInternational Business Machines Corporation
- Flat storage CRT and projection display1 Jan 1985US 4,491,762 AInternational Business Machines Corporation
- Selectively erasable storage target with insulated web collector15 Jun 1982US 4,335,328 ATektronix, Inc.
- Color coding of write-through information in direct viewing bistable storage CRT display17 Nov 1981US 4,301,388 ATektronix, Inc.
- Process for making bistable storage cathode ray tube18 Aug 1981US 4,284,661 ATektronix, Inc.
No published applications in this class yet.
Most cited
By later US patents
- Cathode ray storage tube having a target dielectric provided with particulate segments of collector electrode extending therethrough6US 3,956,662 ATektronix, Inc. · 1976
- Cathode ray storage tube having a target dielectric provided with collector electrode segments extending therethrough6US 3,978,366 ATektronix, Inc. · 1976
- Aging resistant mixtures in bistable storage tubes4US 4,131,821 ATektronix, Inc. · 1978
- Memory erase and memory read-out in an EL display panel controlled by an electron beam4US 4,207,617 ASharp Kabushiki Kaisha · 1980
- Cathode ray tube storage target having increase life3US 4,110,659 ATektronix, Inc. · 1978