North American Philips Corporation

Merton Howard Crowell

Edward H Stupp

Emil Arnold

A signal detector including a transducer element, an X-Y addressed array of field-effect transistor electrically coupled, e.g., capacitively or directly coupled, to the transducer element, and means for addressing the transistor X-Y array.

Signal detector comprising field effect transistors

A camera tube employs a target comprising a layer of optically transparent infra-red radiation responsive material and a layer of photoconductive material which is scanned, in conventional manner, by an electron beam. This tube combines the principles of a infra-red image sensor with the more conventional principles of a vidicon target.

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Cumberland, RI, United States of America

Merton Howard Crowell