VIBRATION PICKUP MICROPHONE
First Claim
1. A vibration pickup microphone, comprising:
- a housing adapted to be attached to a human body contact surface of a transmitter/receiver;
a microphone unit of an aerial vibration collecting type incorporated in said housing; and
a microphone holder that is made of an elastic material and supports said microphone unit in said housing,wherein said housing has a case having an opening in an upper surface thereof, in which said microphone holder is fitted, and a cover that is made of an elastic material and covers an outer surface of said case, a multilayered diaphragm is disposed on an upper surface of said microphone holder with an air space formed between said multilayered diaphragm and said microphone holder, and a sealed cavity is formed between diaphragms constituting said multilayered diaphragm.
1 Assignment
0 Petitions
Accused Products
Abstract
To provide a microphone used for telecommunication or speech recognition input in a high noise environment, or more specifically, a vibration pickup microphone that hardly howls even when transmission and reception occur simultaneously. A vibration pickup microphone has: a housing 1 attached to a human body contact surface of a transmitter/receiver or the like; a microphone unit 2 of an aerial vibration collecting type incorporated in the housing 1; and a microphone holder 5 that is made of an elastic material and supports the microphone unit 2 in the housing 1. The housing 1 has a case 3 having an opening in an upper surface thereof, in which the microphone holder 5 is fitted, and a cover 4 that is made of an elastic material and covers an outer surface of the case 3. A multilayered diaphragm 6 is disposed on an upper surface of the microphone holder 5 with an air space 16 formed between the multilayered diaphragm 6 and the microphone holder 5. A sealed cavity 7 is formed between diaphragms 6a and 6b constituting the multilayered diaphragm 6.
38 Citations
8 Claims
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1. A vibration pickup microphone, comprising:
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a housing adapted to be attached to a human body contact surface of a transmitter/receiver; a microphone unit of an aerial vibration collecting type incorporated in said housing; and a microphone holder that is made of an elastic material and supports said microphone unit in said housing, wherein said housing has a case having an opening in an upper surface thereof, in which said microphone holder is fitted, and a cover that is made of an elastic material and covers an outer surface of said case, a multilayered diaphragm is disposed on an upper surface of said microphone holder with an air space formed between said multilayered diaphragm and said microphone holder, and a sealed cavity is formed between diaphragms constituting said multilayered diaphragm. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification