US3259750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive circuit and support
Assignee: Tenovis GmbH and Co KG
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Filing: 1963-04-01
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Granted: 1966-07-05
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Volkmann Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:29
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/42; H03K3/26; H03K3/28; H03K3/281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN ELECTRIC CIRCUIT COMPRISING IN COMBINATION: (A) A SUPPORTING PLATE OF INSULATING MATERIAL; (B) TRANSISTOR MEANS SUPPORTED BY SAID PLATE AND ARRANGED ON ONE SIDE THEREOF; (C) RESISTOR MEANS ARRANGED ON THE OTHER SIDE OF SAID PLATE FORMED BY PREDETERMINED ILLUMINATED AREAS OF A PHOTOCONDUCTIVE LAYER SUBSTANTIALLY COEXTENSIVE WITH SAID OTHER SIDE OF SAID PLATE; (D) A MASK COVERING SAID LAYER HAVING OPAQUE PORTIONS EXCLUDING LIGHT FROM OTHER PREDETERMINED AREAS OF SAID LAYER; AND (E) CONDUCTOR MEANS CONDUCTIVELY INTERCONNECTING SAID TRANSISTOR MEANS AND SAID RESISTOR MEANS, SAID CONDUCTOR MEANS INCLUDING SECTIONS PROJECTING TRANSVERSELY THROUGH SAID PLATE.
Claim 2
Dependent Claim
96 words
AN ELECTRIC CIRCUIT COMPRISING IN COMBINATION: (A) A SUPPORTING PLATE OF INSULATING MATERIAL; (B) TRANSISTOR MEANS SUPPORTED BY SAID PLATE AND ARRANGED ON ONE SIDE THEREOF; (C) RESISTOR MEANS ARRANGED ON THE OTHER SIDE OF SAID PLATE FORMED BY PREDETERMINED ILLUMINATED AREAS OF A PHOTOCONDUCTIVE LAYER SUBSTANTIALLY COEXTENSIVE WITH SAID OTHER SIDE OF SAID PLATE; (D) A MASK COVERING SAID LAYER HAVING OPAQUE PORTIONS EXCLUDING LIGHT FROM OTHER PREDETERMINED AREAS OF SAID LAYER; AND (E) CONDUCTOR MEANS CONDUCTIVELY INTERCONNECTING SAID TRANSISTOR MEANS AND SAID RESISTOR MEANS, SAID CONDUCTOR MEANS INCLUDING SECTIONS PROJECTING TRANSVERSELY THROUGH SAID PLATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |