Microwave image converter

Details Microwave image converter Microwave image converter

1980-02-08

1981-07-21

Willis, Davis L.

Radiant energy

Invisible radiation responsive nonelectric signalling

Luminescent device

250458, 250459, 343 17, H05B 3300

Patent

active

042800552

ABSTRACT:
A microwave detector and microwave image-to-visible image converter is prded for a microwave receiver which employs an array of electroluminescent devices. Circuit means is also provided to bias these devices close to or beyond the point where they become relaxation oscillators in order to further sensitize them to microwaves. Finally, active optical means is provided to increase the visible intensity and/or contrast of the visible image.

REFERENCES:
patent: 2546160 (1951-03-01), Lengyel
patent: 2711530 (1955-06-01), Rines
patent: 2928937 (1960-03-01), Harman, Jr.
patent: 3585394 (1971-06-01), Higby et al.
patent: 3610932 (1971-10-01), Morse et al.
patent: 3959658 (1976-05-01), Ziemer et al.

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