Filter screen for cathode ray tubes
US4905089A · kind A · utility
9Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 3, 1989 |
| Grant date | Feb 27, 1990 |
| Priority date | — |
| Expiry date | Jan 3, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/1609
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A filter screen for cathode ray tubes (CRT) which diffuses electromagnetic radiation. The screen is encased in a frame which includes a conductive frame element. The frame is attached to the CRT by one or more hangers which extend from the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.