US3102227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arrangement for deriving an adjustable partial voltage from an electric signal voltage
Assignee: US Philips Corp
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Filing: 1958-02-28
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Granted: 1963-08-27
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Expires: 1978-02-28
Abstract
No abstract record available.
Inventors
- 👤 Gier Nico Arie De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:00
CPC Classifications
H; H03; H03G; H03G1/00; H03G1/02; G; G01; G01J; G01J1/00; G01J1/10; G01J1/16; H03G1/0005; H03G1/0035; H03G1/0047; H03G9/00; H03G9/02; H03J; H03J1/00; H03J1/02; H03J1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A CIRCUIT ARRANGEMENT COMPRISING A SOURCE OF TIME VARYING INTELLIGENCE SIGNAL VOLTAGE, FISRT AND SECOND IMPEDANCE ELEMENTS CONNECTED IN SERIES CIRCUIT ARRANGEMENT, AT LEAST ONE OF SAID IMPEDANCE ELEMENTS COMPRISING A PHOTOSENSITIVE IMPEDANCE, MEANS FOR IMPINGING RADIATIONS UPON SAID PHOTOSENSITIVE IMPEDANCE, MEANS FOR VARYING THE INTENSITY OF RADIATIONS IMPINGING ON SAID PHOTOSENSITIVE IMPEDANCE INDEPENDENTLY OF SAID SOURCE OF INTELLIGENCE SIGNAL THEREBY VARYING THE IMPEDANCE VALUE OF THE SAID PHOTOSENSITIVE IMPEDANCE, MEANS FOR APLYING SAID TIME VARYING INTELLIGENCE SIGNAL VOLTAGE ACROSSA SAID SERIES CIRCUIT ARRANGMENT, AND MEANS FOR DRIVING AN OUTPUT VOLTAGE FROM ONE OF SAID IMPEDANCES, SAID OUTPUT VOLTAGE HAVING A MAGNITUDE RELATIVELY LESS THAN THAT OF SAID SIGNAL VOLTAGE AND VARYING IN A PREDETERMINED RELATIONSHIP WITH THE IMPEDANCE VALUE OF SAID PHOTOSENSITIVE IMPEDANCE.
Claim 2
Dependent Claim
124 words
A CIRCUIT ARRANGEMENT COMPRISING A SOURCE OF TIME VARYING INTELLIGENCE SIGNAL VOLTAGE, FISRT AND SECOND IMPEDANCE ELEMENTS CONNECTED IN SERIES CIRCUIT ARRANGEMENT, AT LEAST ONE OF SAID IMPEDANCE ELEMENTS COMPRISING A PHOTOSENSITIVE IMPEDANCE, MEANS FOR IMPINGING RADIATIONS UPON SAID PHOTOSENSITIVE IMPEDANCE, MEANS FOR VARYING THE INTENSITY OF RADIATIONS IMPINGING ON SAID PHOTOSENSITIVE IMPEDANCE INDEPENDENTLY OF SAID SOURCE OF INTELLIGENCE SIGNAL THEREBY VARYING THE IMPEDANCE VALUE OF THE SAID PHOTOSENSITIVE IMPEDANCE, MEANS FOR APLYING SAID TIME VARYING INTELLIGENCE SIGNAL VOLTAGE ACROSSA SAID SERIES CIRCUIT ARRANGMENT, AND MEANS FOR DRIVING AN OUTPUT VOLTAGE FROM ONE OF SAID IMPEDANCES, SAID OUTPUT VOLTAGE HAVING A MAGNITUDE RELATIVELY LESS THAN THAT OF SAID SIGNAL VOLTAGE AND VARYING IN A PREDETERMINED RELATIONSHIP WITH THE IMPEDANCE VALUE OF SAID PHOTOSENSITIVE IMPEDANCE.
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) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |