US3239768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Demodulator having its two channels alternately rendered inactive to an input signal
Assignee: Honeywell Inc
•
Filing: 1963-04-22
•
Granted: 1966-03-08
•
Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Sikorra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:41
CPC Classifications
H; H03; H03D; H03D1/00; H03D1/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
149 words
DEMODULATING APPARATUS COMPRISING, IN COMBINATION: CONVERSION MEANS INCLUDING FIRST INPUT MEANS, SECOND INPUT MEANS AND OUTPUT MEANS, SAID CONVERSION MEANS PROVIDING A GIVEN OUTPUT SIGNAL FROM SAID OUTPUT MEANS UPON APPLICATION OF A FIRST INPUT SIGNAL OF A GIVEN AMPLITUDE AND A FIRST POLARITY TO SAID FIRST INPUT MEANS, SAID CONVERSION MEANS FURTHER PROVIDING SUBSTANTIALLY THE SAME GIVEN OUTPUT SIGNAL FROM SAID OUTPUT MEANS UPON APPLICATION OF A SECOND INPUT SIGNAL OF THE GIVEN AMPLITUDE AND OF A SECOND POLARITY OPPOSITE SAID FIRST POLARITY TO SAID SECOND INPUT MEANS; AND GATING MEANS CONNECTED TO SAID INPUT MEANS OF SAID CONVERSION MEANS FOR APPLYING A FIRST HALF CYCLE OF AN ALTERNATING INPUT SIGNAL TO BE DEMODULATED ONLY TO SAID FIRST INPUT MEANS OF SAID CONVERSION MEANS AND FOR APPLYING A SECOND HALF CYCLE OF THE SAME ALTERNATING INPUT SIGNAL ONLY TO SAID SECOND INPUT MEANS OF SAID SIGNAL CONVERSION MEANS.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |