Title:
WATER-PROOF MICROPHONE
Document Type and Number:
Japanese Patent JP3056938
Kind Code:
B2
Abstract:
PURPOSE: To prevent a noise in a speech band by reducing the occurrence of air layers produced between components of the microphone.
CONSTITUTION: A 1st holder 1 has a stopper 1a at an output terminal of a microphone element 11 to fix the microphone element 11. An adhesive tape 3 is stuck to a sound collection face of a retainer 2 with respect to the microphone element 11. A seal 4 is stuck to the other side of the retainer 2 to have the adhesive tape inbetween. A 2nd holder 5 is covered over the microphone element 11, the 1st holder 1, the retainer 2 and the seal 4 and they are contained in a box 8. A cap 6 has a pressure rod member 7 to press the seal 4 thereby reduction the occurrence of air layers 10 produced between the retainer 2 and the seal 4.
Inventors:
Yasushi Tamura
Application Number:
JP3553694A
Publication Date:
June 26, 2000
Filing Date:
March 07, 1994
Export Citation:
Assignee:
Sharp Corporation
International Classes:
H04R1/00; H04R1/02; (IPC1-7): H04R1/00; H04R1/02
Attorney, Agent or Firm:
Akichika Takano