Research/Patents/US 4977323
US 4977323

360 DEGREE INFRARED SURVEILLANCE WITH PANORAMIC DISPLAY

Assignee

Filed

Aug 16, 1973

Granted

Dec 11, 1990

Location

Abstract

A 360 degree infrared surveillance system comprising a scanning head rota on a turntable having optics and IR detectors in a vertical linear array, amplifiers for each detector and light emitting diodes for each respective detector/amplifier channel. The light from the LED's is imaged onto photodetectors whose output is amplified and fed to a corresponding LED. An optical rotator causes the image of their light to rotate. A lens images this light onto photodetectors located on the projector turntable, rotating synchronously with the scanner head. The photodetector current is amplified and fed to a linear array of LED's and imaged onto a cylindrical screen for display.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Oct 6, 1981

Rescinded

Aug 30, 1990

Duration

8 years, 11 months

Inventor

  • 1ROBERT E. JEHLE

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records