US3323757A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Missile autopilot
Assignee: General Dynamics Corp
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Filing: 1961-07-06
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Granted: 1967-06-06
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Expires: 1981-07-06
Abstract
No abstract record available.
Inventors
- 👤 Donald E Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:39
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/22; F41G7/2253; F41G7/2213; F41G7/2273; F41G7/2293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A ROLLING MISSILE HAVING A TARGET SEEKER ADAPTED TO TRACK A TARGET AND GENERATE A FIRST SIGNAL HAVING A PHASE INDICATING THE DIRECTION OF TRACKING ERROR AND AMPLITUDE INDICATING THE MAGNITUDE OF TRACKING ERROR AND A SECOND SIGNAL HAVING A REFERENCE PHASE, THE COMBINATION OF WAVE SQUARING MEANS RESPONSIVE TO SAID FIRST SIGNAL, A PHASE DETECTOR RESPONSIVE TO SAID SECOND SIGNAL AND CONNECTED TO SAID WAVE SQUARING MEANS TO GENERATE A TRIANGULAR WAVE SIGNAL, AMPLITUDE DETECTING MEANS RESPONSIVE TO SAID FIRST SIGNAL FOR PROVIDING A DIRECT VOLTAGE HAVING A MAGNITUDE PROPORTIONAL TO THE AMPLITUDE OF SAID FIRST SIGNAL, ELECTRONIC SWITCH MEANS CONNECTED TO SAID PHASE DETECTOR AND TO SAID AMPLITUDE DETECTING MEANS FOR PROVIDING A CONTROL ACTUATING SIGNAL AT A TIME DETERMINED BY THE PHASE OF SAID TRIANGULAR WAVE AND FOR
Claim 2
Dependent Claim
132 words
IN A ROLLING MISSILE HAVING A TARGET SEEKER ADAPTED TO TRACK A TARGET AND GENERATE A FIRST SIGNAL HAVING A PHASE INDICATING THE DIRECTION OF TRACKING ERROR AND AMPLITUDE INDICATING THE MAGNITUDE OF TRACKING ERROR AND A SECOND SIGNAL HAVING A REFERENCE PHASE, THE COMBINATION OF WAVE SQUARING MEANS RESPONSIVE TO SAID FIRST SIGNAL, A PHASE DETECTOR RESPONSIVE TO SAID SECOND SIGNAL AND CONNECTED TO SAID WAVE SQUARING MEANS TO GENERATE A TRIANGULAR WAVE SIGNAL, AMPLITUDE DETECTING MEANS RESPONSIVE TO SAID FIRST SIGNAL FOR PROVIDING A DIRECT VOLTAGE HAVING A MAGNITUDE PROPORTIONAL TO THE AMPLITUDE OF SAID FIRST SIGNAL, ELECTRONIC SWITCH MEANS CONNECTED TO SAID PHASE DETECTOR AND TO SAID AMPLITUDE DETECTING MEANS FOR PROVIDING A CONTROL ACTUATING SIGNAL AT A TIME DETERMINED BY THE PHASE OF SAID TRIANGULAR WAVE AND FOR
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |