US3092779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuits for converting electric signals logarithmically for detectors and the like
Assignee: US Philips Corp
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Filing: 1959-07-03
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Granted: 1963-06-04
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Expires: 1979-07-03
Abstract
No abstract record available.
Inventors
- 👤 Niet Edmond De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:07
CPC Classifications
H; H03; H03D; H03D1/00; H03D1/14; H03D1/18; G; G06; G06G; G06G7/00; G06G7/12; G06G7/24; H03G; H03G1/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
69 words
A BALANCED FREQUENCY DETECTOR COMPRISING A PAIR OF TRANSISTORS, EACH TRANSISTOR HAVING AN INPUT ELECTRODE SYSTEM, AN OUTPUT ELECTRODE SYSTEM AND A BASE ELECTRODE, SAID OUTPUT ELECTRODE SYSTEM BEING UNBIASED SAID BASE ELECTRODES BEING CONNECTED DIRECTLY TOGETHER, MEANS FOR APPLYING A FREQUENCY MODULATED SIGNAL TO SAID INPUT ELECTRODE SYSTEMS AND DERIVATION MEANS CONNECTED TO SAID OUTPUT ELECTRODE SYSTEMS FOR DERIVING THEREFROM THE MODULATING PORTION OF SAID FREQUENCY MODULATED SIGNAL.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |