US3101447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modulated oscillator circuit
Assignee: Philips North America LLC
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Filing: 1960-11-10
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Granted: 1963-08-20
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Expires: 1980-11-10
Abstract
No abstract record available.
Inventors
- 👤 Frank P Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:42
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
AN ELECTRONIC CIRCUIT COMPRISING: A FIRST SEMI-CONDUCTOR DEVICE COUPLED TO A SOURCE OF ELECTRICAL ENERGY; A TUNED CIRCUIT AND OUTPUT MEANS COUPLED TO SAID DEVICE; A SECOND SEMI-CONDUCTOR DEVICE COUPLED TO A SOURCE OF ELETRICAL ENERGY AND HAVING EMITTER AND BASE ELEMENTS AND COUPLED TO SAID FIRST DEVICE AS AN EMITTER FOLLOWER TO PROVIDE A FEEDBACK PATH FOR SAID FIRST DEVICE TO FORM A FIRST OSCILLATOR; A TUNED CIRCUIT AND FEEDBACK MEANS COUPLED TO SAID SECOND DEVICE TO FORM A SECOND OSCILLATOR; AND A COUPLING BETWEEN SAID OUTPUT MEANS AND A BASE ELEMENT OF SAID SECOND DEVICE WHEREBY SAID SECOND OSCILLATOR. MODULATED BY SAID FIRST OSCILLATOR.
Claim 2
Dependent Claim
106 words
AN ELECTRONIC CIRCUIT COMPRISING: A FIRST SEMI-CONDUCTOR DEVICE COUPLED TO A SOURCE OF ELECTRICAL ENERGY; A TUNED CIRCUIT AND OUTPUT MEANS COUPLED TO SAID DEVICE; A SECOND SEMI-CONDUCTOR DEVICE COUPLED TO A SOURCE OF ELETRICAL ENERGY AND HAVING EMITTER AND BASE ELEMENTS AND COUPLED TO SAID FIRST DEVICE AS AN EMITTER FOLLOWER TO PROVIDE A FEEDBACK PATH FOR SAID FIRST DEVICE TO FORM A FIRST OSCILLATOR; A TUNED CIRCUIT AND FEEDBACK MEANS COUPLED TO SAID SECOND DEVICE TO FORM A SECOND OSCILLATOR; AND A COUPLING BETWEEN SAID OUTPUT MEANS AND A BASE ELEMENT OF SAID SECOND DEVICE WHEREBY SAID SECOND OSCILLATOR. MODULATED BY SAID FIRST OSCILLATOR.
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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |