JPS58104099U

JPS58104099U - transducer

Info

Publication number: JPS58104099U
Application number: JP19349681U
Authority: JP
Inventors: 和田　博人; 雅路田中
Original assignee: 株式会社東芝
Priority date: 1981-12-30
Filing date: 1981-12-30
Publication date: 1983-07-15

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のトランスジューサを示す断面図、第２図
は本考案のトランスジューサの一実施例を示す断面図、
第３図は第２甲に示す導電性ケースの他の実施例を示す
部分断面図、第４図は本考案の別の実施例を示す断面図
である。１・・・・・・電極、２・・・・・・高分子誘電体層、
３・・曲固定電極、４・・・・・・筒形基台、５・・・
・・・スペーサリング、６・・・・・・膜リング、７．
・・曲振動膜、１１・・曲プリント基板、１３・・・・
・・導電性ケース、１，５・・・・・・突出部、１６・
・・・・・連通孔、１８・・・・・・振動板、１９・・
曲導電薄膜、２０・・・・・・導電性接着剤。FIG. 1 is a sectional view showing a conventional transducer, FIG. 2 is a sectional view showing an embodiment of the transducer of the present invention,
FIG. 3 is a partial sectional view showing another embodiment of the conductive case shown in FIG. 2A, and FIG. 4 is a sectional view showing another embodiment of the present invention. 1... Electrode, 2... Polymer dielectric layer,
3...Curved fixed electrode, 4...Cylindrical base, 5...
. . . Spacer ring, 6 . . . Membrane ring, 7.
... Curved vibration membrane, 11... Curved printed circuit board, 13...
...Conductive case, 1, 5... Protrusion, 16.
...Communication hole, 18...Vibration plate, 19...
Curved conductive thin film, 20... Conductive adhesive.

Claims

[Scope of utility model registration request]

A vibrating membrane with a conductive thin film is stretched in front of a fixed electrode,
In a transducer in which the fixed electrode and the diaphragm are housed in a conductive case, the diaphragm is fixed directly to the case while covering a communication hole with the outside provided in the case. A transducer characterized in that the conductive membrane of the above and the case are electrically connected to each other.