Flexible tape electroacoustic transducer using an electret

Details Flexible tape electroacoustic transducer using an electret Flexible tape electroacoustic transducer using an electret

H - Electricity

04

R

349/69

H04R 19/01 (2006.01) G01F 23/296 (2006.01) G01V 1/20 (2006.01) G08B 13/04 (2006.01) H04R 1/46 (2006.01)

Patent

CA 1170758

ABSTRACT OF THE DISCLOSURE An electroacoustic transducer is provided in the form of a flexible tape formed of an inner flat metal foil sur- rounded by a metal foil and separated from the latter by an electret. The outer metal foil is in turn surrounded by a PVC outer layer. This construction provides a flexible elec- tret type of microphone with the additional advantage of immunity from ambient acoustic waves and electrical and mag- netic fields.

369147

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