Patent US3148335A successfully refreshed from Google Patents.
US3148335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gated demodulator apparatus
Assignee: Meggitt Orange County Inc
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Filing: 1961-05-24
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Granted: 1964-09-08
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Expires: 1981-05-24
Abstract
No abstract record available.
Inventors
- 👤 George V Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:09
CPC Classifications
H; H03; H03F; H03F3/00; H03F3/38; H03F3/387; H03D; H03D1/00; H03D1/14; H03D1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
APPARATUS FOR ELECTRICAL AMPLIFICATION COMPRISING ELECTRICAL MEANS TO FORM AN ALTERNATING ELECTRICAL WAVE HAVING SUBSTANTIALLY SYMMETRICAL HALF CYCLE EXCURSIONS AS A FUNCTION OF TIME, ELECTRICALLY SYMMETRICAL INTERRUPTER MEANS CONNECTED TO SAID ELECTRICAL MEANS AND TO A SOURCE OF SIGNAL TO BE AMPLIFIED, MEANS TO AMPLIFY SYMMETRICALLY CONNECTED TO SAID INTERRUPTER MEANS, A SYNCHRONOUS DEMODULATOR, SAID DEMODULATOR HAVING AN EVEN NUMBER OF TRANSISTORS INTERCONNECTED AS A VOLTAGE DOUBLER RECTIFIER, MEANS TO SYMMETRICALLY CONNECT SAID TRANSISTORS TO SAID MEANS TO AMPLIFY; GATING MEANS CONNECTED TO SAID ELECTRICAL MEANS TO FORM SEPARATE OPPOSITELY-PHASED RECTANGULAR WAVESHAPES FROM AND DURING THE MAXIMUM AMPLITUDE EXCURSIONS OF SAID ALTERNATING ELECTRICAL WAVE, AND MEANS TO OPPOSITELY CONNECT SAID GATING MEANS TO THE TRANSISTORS OF SAID DEMODULATOR WITH RESPECT TO THE CONNECTIONS FROM SAID MEANS TO AMPLIFY TO PROVIDE A DEMODULATED OUTPUT FORMED FROM ONLY A PART OF THE DURATION OF EACH EXCURSION OF SAID ALTERNATING ELECTRICAL WAVE.
Claim 2
Dependent Claim
149 words
APPARATUS FOR ELECTRICAL AMPLIFICATION COMPRISING ELECTRICAL MEANS TO FORM AN ALTERNATING ELECTRICAL WAVE HAVING SUBSTANTIALLY SYMMETRICAL HALF CYCLE EXCURSIONS AS A FUNCTION OF TIME, ELECTRICALLY SYMMETRICAL INTERRUPTER MEANS CONNECTED TO SAID ELECTRICAL MEANS AND TO A SOURCE OF SIGNAL TO BE AMPLIFIED, MEANS TO AMPLIFY SYMMETRICALLY CONNECTED TO SAID INTERRUPTER MEANS, A SYNCHRONOUS DEMODULATOR, SAID DEMODULATOR HAVING AN EVEN NUMBER OF TRANSISTORS INTERCONNECTED AS A VOLTAGE DOUBLER RECTIFIER, MEANS TO SYMMETRICALLY CONNECT SAID TRANSISTORS TO SAID MEANS TO AMPLIFY; GATING MEANS CONNECTED TO SAID ELECTRICAL MEANS TO FORM SEPARATE OPPOSITELY-PHASED RECTANGULAR WAVESHAPES FROM AND DURING THE MAXIMUM AMPLITUDE EXCURSIONS OF SAID ALTERNATING ELECTRICAL WAVE, AND MEANS TO OPPOSITELY CONNECT SAID GATING MEANS TO THE TRANSISTORS OF SAID DEMODULATOR WITH RESPECT TO THE CONNECTIONS FROM SAID MEANS TO AMPLIFY TO PROVIDE A DEMODULATED OUTPUT FORMED FROM ONLY A PART OF THE DURATION OF EACH EXCURSION OF SAID ALTERNATING ELECTRICAL WAVE.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |