US4231534A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Active optical tracking system
Assignee: United States Department of the Air Force
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Filing: 1977-11-04
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Granted: 1980-11-04
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Expires: 1997-11-04
Abstract
Abstract An active optical tracking system for air-to-air type missiles of relatively small dimensions having a pulsed laser transmitter operating through a gimbaled mirror system and a reflection receiving system connected to the guidance and control unit of the missile to direct it to a target.
Inventors
- 👤 Robert J. Lintell
- 👤 James D. Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:33
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/22; F41G7/2246; F41G7/2213; F41G7/2273; F41G7/2293; G; G01; G01S; G01S17/00; G01S17/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
Optical radiation transmitting means for active optical tracking systems in missiles comprising: a base, a post mounted on the base having an aperture therethrough, parallel to the longitudinal axis of the post; an inner gimbal mounted on one end of the post including a yoke, a pin extending from the yoke and a movable gimbal ring; an outer movable gimbal ring connected to the inner gimbal ring including a pin extending through the inner gimbal ring; a diverging lens mounted on said outer gimbal ring; a first mirror means mounted on the yoke pin adapted to receive radiation passing through said aperture; a second mirror mounted on the inner gimbal adapted to receive radiation from the first mirror and a third mirror mounted on the outer gimbal pin adapted to receive radiation from the second mirror and direct said radiation through the diverging lens.
Claim 2
Dependent Claim
144 words
Optical radiation transmitting means for active optical tracking systems in missiles comprising: a base, a post mounted on the base having an aperture therethrough, parallel to the longitudinal axis of the post; an inner gimbal mounted on one end of the post including a yoke, a pin extending from the yoke and a movable gimbal ring; an outer movable gimbal ring connected to the inner gimbal ring including a pin extending through the inner gimbal ring; a diverging lens mounted on said outer gimbal ring; a first mirror means mounted on the yoke pin adapted to receive radiation passing through said aperture; a second mirror mounted on the inner gimbal adapted to receive radiation from the first mirror and a third mirror mounted on the outer gimbal pin adapted to receive radiation from the second mirror and direct said radiation through the diverging lens.
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) | 1983-11-04 | 1984-05-05 | 1984-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-04 | 1988-05-05 | 1988-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-04 | 1992-05-05 | 1992-11-04 | $7700.00 | Window Closed / Lapsed |