Signal detector comprising field effect transistors

US3973146A · kind A · utility

Assignee

• North American Philips Corporation · US

Inventors

• Emil Arnold · Chappaqua, US
• Merton H. Crowell · Mahopac, US
• Edward H. Stupp · Chestnut Ridge, US

Key dates

• Filing date: Sep 17, 1975
• Grant date: Aug 3, 1976
• Expiry date: Sep 17, 1995

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10N39/00

Abstract

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.