US3201696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio receivers
Assignee: TDK Micronas GmbH
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Filing: 1962-05-29
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Granted: 1965-08-17
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Expires: 1982-05-29
Abstract
No abstract record available.
Inventors
- 👤 Douglas M Sharp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:42
CPC Classifications
H; H03; H03J; H03J3/00; H03J7/00; H03J7/18; H03J7/20; H03J7/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A RADIO RECEIVER COMPRISINGA SIGNAL CHANNEL TUNEABLE THROUGH A GIVEN FREQUENCY RANGE, A SWEEP CIRCUIT COUPLED TO SAID CHANNEL FOR TUNING SAID CHANNEL THROUGH SAID FREQUENCY RANGE AT A GIVEN RATE, SAID SWEEP CIRCUIT INCLUDING MEANS INCLUDING A VARIABLE IMPEDANCE ELEMENT RESPONSIVE TO RECEIVE SIGNALS FOR SLOWING DOWN SAID TUNING RATE.
Claim 2
Dependent Claim
51 words
A RADIO RECEIVER COMPRISINGA SIGNAL CHANNEL TUNEABLE THROUGH A GIVEN FREQUENCY RANGE, A SWEEP CIRCUIT COUPLED TO SAID CHANNEL FOR TUNING SAID CHANNEL THROUGH SAID FREQUENCY RANGE AT A GIVEN RATE, SAID SWEEP CIRCUIT INCLUDING MEANS INCLUDING A VARIABLE IMPEDANCE ELEMENT RESPONSIVE TO RECEIVE SIGNALS FOR SLOWING DOWN SAID TUNING RATE.
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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |