The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 1984
Filed:
Feb. 12, 1982
Mitsuo Nasu, Tokyo, JP;
Olympus Optical Company Limited, Tokyo, JP;
Abstract
A microphone device arranged to be built in a superminiature tape recorder is disclosed. The device includes a casing portion of a tape recorder, a face member fixed on the casing portion and having a plurality of sound inlet holes, a first metallic support member supported by the face member for isolating vibrations of relatively low frequency, a second support member supported by the first support member for isolating vibrations of relatively high frequency, and a microphone body supported by the second support member in operative relation to the face member. A pair of bare conductive wires lead out of the microphone body, and each has a diameter of 0.15 mm or less.