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US3553690A Expired / Lapsed US ⏱️ 0.0 years remaining

Radiation sensitive system

Assignee: Westinghouse Electric Corp
•
Filing: 1968-06-19
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Granted: 1971-01-05
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Expires: 1988-06-19
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Abstract

Abstract THIS INVENTION RELATES TO A SYSTEM FOR OPERATING A RADIATION SENSITIVE DEVICE SUCH AS A TELEVISION CAMERA TUBE TO DERIVE AN OUTPUT SIGNAL IN A P, 0 SCANNING (PPI) FORMAT. IN ONE ILLUSTRATIVE EMBODIMENT, THIS INVENTION INCLUDES A DOVE PRISM FOR OPTICALLY ROTATING AN IMAGE WHICH IS FOCUSSED ONTO THE PHOTOSENSITIVE PORTION OF THE TELEVISION CAMERA TUBE. THE TELEVISION CAMERA DEVICE IS OPERATED TO SENSE A SINGLE LINE OF THE IMAGE FOCUSSED TEHREON. AS THE IMAGE IS ROTATED PAST THE RADIATION SENSITIVE PORTION OF THE TELEVISION CAMERA TUBE, AN ELECTRICAL SIGNAL IS DERIVED THEREFROM A P, 0 FORMAT. THIS SYSTEM HAS AN IMPORTANT APPLICATION IN USE WITH RADAR SYSTEMS WHERE IT IS DESIRED TO SUPERIMPOSE THE IMAGE OF A MAP ONTO THE DISPLAY SCREEN OF THE RADAR SYSTEM.

Inventors

  • 👤 Murry J Spangler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 16:07
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/22

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-01-04 1974-07-06 1975-01-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-04 1978-07-06 1979-01-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-04 1982-07-06 1983-01-05 $7700.00 Window Closed / Lapsed

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