Patent US3306556A successfully refreshed from Google Patents.
US3306556A
Expired / Lapsed
US
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Automatic guidance system
Assignee: Individual
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Filing: 1961-06-23
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Granted: 1967-02-28
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Expires: 1981-06-23
Abstract
No abstract record available.
Inventors
- 👤 Richard F Kaufman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:32
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/22; F41G7/2246
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
153 words
IN AN AUTOMATIC GUIDANCE SYSTEM FOR HOMING A GUIDED MISSILE ON A TARGET THE COMBINATION OF: A CAMERA TUBE MOUNTED IN THE NOSE OF SAID MISSILE; AN IMAGE PLATE ON THE FACE OF SAID TUBE UPON WHICH THE ELECTRON BEAM OF THE CAMERA TUBE IMPINGES; SAID TUBE HAVING A SIGNAL OUTPUT PROPORTIONAL TO THE LIGHT INTENSITY IN THE SCENE VIEWED BY THE TUBE; A TARGET SELECTED IN THE SCENE AND MEANS IN THE SYSTEM FOR MEMORIZING THE INTENSITY OF THE SIGNAL FROM SAID TARGET; MEANS IN THE SYSTEM FOR COMPARING THE TARGET SIGNAL WITH SUBSEQUENT OUTPUT SIGNALS AND PROVIDING AN ONTARGET INDICATION WHEN THE TARGET SIGNAL AND SUBSEQUENT OUTPUT SIGNALS ARE OF THE SAME INTENSITY AND AN OFF-TARGET INDICATION WHEN THE TARGET SIGNAL AND SUBSEQUENT SIGNALS DIFFER IN INTENSITY; A SWEEP GENERATOR CONNECTED TO DEFLECTION COILS IN SAID CAMERA FOR CAUSING SAID ELECTRON BEAM TO SWEEP THE SCENE VIEWED BY THE CAMERA TUBE,
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |