H01J 31/52
Having grid-like image screen through which the electron ray or beam passes
Official title: having grid-like image screen through which the electron ray or beam passes and by which the ray or beam is influenced before striking the luminescent output screen, i.e. having "triode action"
H01J31/52 (Having grid-like image screen through which the electron ray or beam passes) appears on 2 US grants and 1 published applications in this corpus.
Search patents in H01J- Granted patents
- 2
- Published applications
- 1
- Assignees
- 3
- Inventors
- 4
- Latest grant
- 14 Aug 1990
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| 2024 | 0 | 0 |
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| 2026 | 0 | 1 |
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