USH515H
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polarized target detector
Assignee: United States Department of the Army
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Filing: 1988-02-08
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Granted: 1988-08-02
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Expires: 2008-02-08
Abstract
Abstract A system for enhancing targets by rotating a polarized filter in front of aV tracker system to enable an operator to pick out and track targets more effectively from a cluttered background including trees, vegetation, and general landscape.
Inventors
- 👤 Harold H. Holt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 18:55
CPC Classifications
H; H04; H04N; H04N23/00; H04N23/50; H04N23/55
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
107 words
A system for enhancing targets viewed through a TV tracker system comprising, a TV camera mounted for viewing a target, said TV tracker being connected at its output to a frame store and subtraction electronics and said frame store and subtraction electronics being connected to a TV monitor, a polarized filter mounted in front of said TV camera and means for rotating said polarized filter at about 2 to about 4 revolutions per second, and interlocking means connecting said motor drive means to said frame store and subtraction electronics so that the rotation of the polarized filter and the frame store and subtraction electronics can be synced.
Claim 2
Independent Claim
107 words
A system for enhancing targets viewed through a TV tracker system comprising, a TV camera mounted for viewing a target, said TV tracker being connected at its output to a frame store and subtraction electronics and said frame store and subtraction electronics being connected to a TV monitor, a polarized filter mounted in front of said TV camera and means for rotating said polarized filter at about 2 to about 4 revolutions per second, and interlocking means connecting said motor drive means to said frame store and subtraction electronics so that the rotation of the polarized filter and the frame store and subtraction electronics can be synced.
Claim 3
Independent Claim
50 words
A method of enhancing targets viewed through a TV tracker system comprising rotating a polarized filter in front of a TV camera and between the camera and a target desired to be detected and utilizing the information from the TV camera on a TV monitor to display the target thereon.
Claim 4
Independent Claim
50 words
A method of enhancing targets viewed through a TV tracker system comprising rotating a polarized filter in front of a TV camera and between the camera and a target desired to be detected and utilizing the information from the TV camera on a TV monitor to display the target thereon.
Claim 5
Dependent Claim
32 words
A method as set forth in claim 2, wherein rotation of said polarized filter is synced with a frame store and subtration electronics before the image is displayed on the TV monitor.
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) | 1991-08-02 | 1992-02-01 | 1992-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-02 | 1996-02-01 | 1996-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-02 | 2000-02-01 | 2000-08-02 | $7700.00 | Window Closed / Lapsed |