Patent US3242443A successfully refreshed from Google Patents.
US3242443A
Expired / Lapsed
US
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Modulator for producing amplitude variation of a carrier signal
Assignee: Bendix Corp
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Filing: 1962-09-12
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Granted: 1966-03-22
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Expires: 1982-09-12
Abstract
No abstract record available.
Inventors
- 👤 Vincent A Massaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:26
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/36
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
A MODULATOR FOR PRODUCING AMPLITUDE VARIATION OF A CARRIER SIGNAL, COMPRISING A PAIR OF AMPLIFIERS BIASED AT CUTOFF AND EACH HAVING INPUT, OUTPUT, AND CONTROL MEANS, MEANS CONNECTING CARRIER SIGNALS OF OPPOSITE PHASES TO THE INPUT MEANS OF THE AMPLIFIERS, MEANS CONNECTING MODULATING SIGNALS OF OPPOSITE POLARITIES TO THE CONTROL MEANS OF THE AMPLIFIERS, AND MEANS COUPLING THE OUTPUT MEANS OF BOTH AMPLIFIERS TO A COMMON OUTPUT FOR PROVIDING AN OUTPUT SIGNAL WITH AMPLITUDE VARYING LINEARLY WITH MODULATING SIGNAL AMPLITUDE.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |