Differential microphone

Details Differential microphone Differential microphone

1985-02-13

1986-12-30

Rubinson, Gene Z.

Electrical audio signal processing systems and devices

Electro-acoustic audio transducer

381159, H04R 134

Patent

active

046330453

ABSTRACT:
A differential microphone which includes a plate positioned between and spanning the sound-receiving opening of the microphone. Carried by the plate is a transducer having opposed sound entries surrounded by one or more bores which extend through the plate. The plate serves to delay sound reception at one transducer sound entry.

REFERENCES:
patent: 2529467 (1950-11-01), Wiggins
patent: 3201516 (1965-08-01), Weingartner
patent: 4156800 (1979-05-01), Sear et al.
patent: 4456796 (1984-06-01), Nakagawa et al.

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