Patent US3341774A successfully refreshed from Google Patents.
US3341774A
Expired / Lapsed
US
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Capacitance detector having a transmitter connected to one plate and a receiver connected to another plate
Assignee: COMM RES Inc
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Filing: 1962-07-17
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Granted: 1967-09-12
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Expires: 1982-07-17
Abstract
No abstract record available.
Inventors
- 👤 Jerry F Dyben
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:50
CPC Classifications
G; G01; G01B; G01B7/00; G01B7/02; G01B7/06; G01B7/08; G01B7/087
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
82 words
A DETECTOR UTILIZING A SIGNAL, COMPRISING A CAPACITOR, A TRANSISTOR, A DIODE CONNECTED BETWEEN SAID TRANSISTOR AND SAID CAPACITOR, TRANSISTOR MEANS CONNECTED TO SAID FIRST MENTIONED TRANSISTOR FOR MODIFYING AMPLITUDE VARIATIONS IN SAID SIGNAL FROM SAID TRANSISTOR INTO PULSE WIDTH VARIATIONS, MEANS CONNECTED TO SAID TRANSISTOR MEANS FOR MODIFYING SAID PULSE WIDTH VARIATIONS FROM SAID TRANSISTOR MEANS INTO IMPLITUDE VARIATIONS, A TRANSISTOR CONNECTED TO SAID LAST MENTIONED MEANS, AND A FILTER WITH A HIGH TIME CONSTANT CONNECTED TO SAID LAST MENTIONED TRANSISTOR.
References Cited (Backward Citations)
US2917717A
Cited
US2925559A
Cited
US2990452A
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US2957136A
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US3056047A
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US3015042A
Cited
US3136961A
Cited
US3026485A
Cited
US3064197A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |