US3100285A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear pulse frequency modulator
Assignee: MNEMOTRON CORP
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Filing: 1960-11-28
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Granted: 1963-08-06
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Expires: 1980-11-28
Abstract
No abstract record available.
Inventors
- 👤 Manfred E Clynes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:16
CPC Classifications
H; H03; H03K; H03K7/00; H03K7/06; H04; H04N; H04N5/00; H04N5/76; H04N5/91; H04N5/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A LINEAR PULSE FREQUENCY MODULATOR COMPRISING A FREE-RUNNING ASTABLE MULTIVIBRATOR PROVIDED WITH A PAIR OF TRANSISTORS HAVING BASE ELECTRODES AND CIRCUITS THEREFOR, FIRST AND SECOND CAPACITORS CROSS-COUPLING SAID TRANSISTORS AND HAVING RELATIVE REACTIVE VALUES CAUSING SAID MULTIVIBRATOR TO OPERATE ASYMMETRICALLY TO PORDUCE A TRAIN OF PULSES, AND MEANS TO APPLY A MODULATING SIGNAL SIMULTANEOUSLY TO THE BASE CIRCUITS OF BOTH TRANSISTORS TO VARY THE REPITITION RATE OF SAID PULSED AS A LINEAR FUNCTION OF THE AMPLITUDE OF SAID SIGNAL.
Claim 2
Dependent Claim
79 words
A LINEAR PULSE FREQUENCY MODULATOR COMPRISING A FREE-RUNNING ASTABLE MULTIVIBRATOR PROVIDED WITH A PAIR OF TRANSISTORS HAVING BASE ELECTRODES AND CIRCUITS THEREFOR, FIRST AND SECOND CAPACITORS CROSS-COUPLING SAID TRANSISTORS AND HAVING RELATIVE REACTIVE VALUES CAUSING SAID MULTIVIBRATOR TO OPERATE ASYMMETRICALLY TO PORDUCE A TRAIN OF PULSES, AND MEANS TO APPLY A MODULATING SIGNAL SIMULTANEOUSLY TO THE BASE CIRCUITS OF BOTH TRANSISTORS TO VARY THE REPITITION RATE OF SAID PULSED AS A LINEAR FUNCTION OF THE AMPLITUDE OF SAID SIGNAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |