Patent US3348064A successfully refreshed from Google Patents.
US3348064A
Expired / Lapsed
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Flexible logic circuit utilizing field effect transistors and light responsive devices
Assignee: RCA Corp
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Filing: 1963-11-14
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Granted: 1967-10-17
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Expires: 1983-11-14
Abstract
No abstract record available.
Inventors
- 👤 Robert A Powlus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:56
CPC Classifications
H; H03; H03K; H03K19/00; H03K19/02; H03K19/08; H03K19/094; H03K19/0944; H03K19/09441; H03K19/14; H03K19/173; H03K19/1733
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
THE COMBINATION COMPRISING: A PAIR OF JUNCTION POINTS; A PLURALITY OF DEVICES, EACH DEVICES HAVING FIRST AND SECOND ELECTRODES DEFINING A CURRENT CARRYING PATH AND HAVING A CONTROL ELECTRODE FOR CONTROLLING THE IMPEDANCE OF THE PATH; MEANS CONNECTING THE CIRCUIT PATHS OF SAID DEVICES IN A SERIES CHAIN BETWEEN SAID JUNCTION POINTS; MEANS FOR APPLYING AN ENERGIZING POTENTIAL ACROSS SAID JUNCTION POINTS; MEANS FOR SELECTIVELY VARYING THE VOLTAGE AT THE CONTROL ELECTRODES OF SAID DEVICES INDIVIDUALLY; A NUMBER OF LIGHT RESPONSIVE ELEMENTS EACH CONNECTED BETWEEN A DIFFERENT PAIR OF POINTS ON SAID CHAIN AND ACROSS AT LEAST ONE OF SAID CURENT CARRYING PATHS; AND MEANS FOR APPLYING LIGHT SELECTIVELY TO SAID ELEMENTS TO CONTROL THE CONDUCTIVITY THEREOF.
Claim 2
Dependent Claim
117 words
THE COMBINATION COMPRISING: A PAIR OF JUNCTION POINTS; A PLURALITY OF DEVICES, EACH DEVICES HAVING FIRST AND SECOND ELECTRODES DEFINING A CURRENT CARRYING PATH AND HAVING A CONTROL ELECTRODE FOR CONTROLLING THE IMPEDANCE OF THE PATH; MEANS CONNECTING THE CIRCUIT PATHS OF SAID DEVICES IN A SERIES CHAIN BETWEEN SAID JUNCTION POINTS; MEANS FOR APPLYING AN ENERGIZING POTENTIAL ACROSS SAID JUNCTION POINTS; MEANS FOR SELECTIVELY VARYING THE VOLTAGE AT THE CONTROL ELECTRODES OF SAID DEVICES INDIVIDUALLY; A NUMBER OF LIGHT RESPONSIVE ELEMENTS EACH CONNECTED BETWEEN A DIFFERENT PAIR OF POINTS ON SAID CHAIN AND ACROSS AT LEAST ONE OF SAID CURENT CARRYING PATHS; AND MEANS FOR APPLYING LIGHT SELECTIVELY TO SAID ELEMENTS TO CONTROL THE CONDUCTIVITY THEREOF.
References Cited (Backward Citations)
US3157792A
Cited
US3201574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-16 | 1971-04-17 | 1971-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-16 | 1975-04-17 | 1975-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-16 | 1979-04-17 | 1979-10-17 | $7700.00 | Window Closed / Lapsed |