Patent US3858079A successfully refreshed from Google Patents.
US3858079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color camera tube having a color strip filter
Assignee: Panasonic Holdings Corp
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Filing: 1972-12-26
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Granted: 1974-12-31
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Expires: 1992-12-26
Abstract
Abstract A color camera tube is provided, which comprises an improved target assembly including a color strip filter mounted on the inner surface of the transparent faceplate, a thin fibre optics plate adhered to the color strip filter, a transparent electroconductive thin film disposed on the fibre optics plate, and a photoconductive layer mounted on the thin film.
Inventors
- 👤 H Miyama
- 👤 K Tomii
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:19
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A color camera tube, which comprises: an evacuated envelope having a transparent faceplate sealed thereto and closing an end thereof; an electron gun assembly placed within said envelope toward another end thereof, for emitting an electron beam toward said faceplate; a color strip filter mounted within said evacuated envelope on the inner surface of said transparent faceplate facing said electron gun assembly; a thin fibre optics plate mounted on said color strip filter within said evacuated envelope and facing said electron gun assembly; a transparent electrically conductive thin film mounted on said optics plate and electrically led to the outside of said envelope; and a photoconductive layer mounted on said conductive thin film.
Claim 2
Dependent Claim
113 words
A color camera tube, which comprises: an evacuated envelope having a transparent faceplate sealed thereto and closing an end thereof; an electron gun assembly placed within said envelope toward another end thereof, for emitting an electron beam toward said faceplate; a color strip filter mounted within said evacuated envelope on the inner surface of said transparent faceplate facing said electron gun assembly; a thin fibre optics plate mounted on said color strip filter within said evacuated envelope and facing said electron gun assembly; a transparent electrically conductive thin film mounted on said optics plate and electrically led to the outside of said envelope; and a photoconductive layer mounted on said conductive thin film.
References Cited (Backward Citations)
US3124715A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-12-30 | 1978-07-01 | 1978-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-12-30 | 1982-07-01 | 1982-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-12-30 | 1986-07-01 | 1986-12-31 | $7700.00 | Window Closed / Lapsed |