JPS5942699U

JPS5942699U - piezoelectric earphones

Info

Publication number: JPS5942699U
Application number: JP13806782U
Authority: JP
Inventors: 澤藤　正
Original assignee: Individual
Current assignee: Individual
Priority date: 1982-09-10
Filing date: 1982-09-10
Publication date: 1984-03-19

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 drawings]

第１，２図は夫々本考案の圧電型イヤホンの一実施例を
示す縦断側面図及びその圧電振動板の正面図、第３図は
圧電振動板の他の実施例を示す正面図である。′ １・・・圧電型イヤホン、２・・・ケーシング、３゜１
３・・・圧電振動板、３ａ・・・単板、３ｂ・・・電極
、４゜１４−・・凹凸板、４ａ、　　１４ａ−・・板材
、４ｂ、１４ｂ・・・突起。補正　昭５８．　１．１．７考案の名称を次のように補正する。 ■圧電型電磁音響変換器実用新案登録請求の範囲を次のように補正する。Ｏ実用新案登録請求の範囲板状の圧電物質の両面に電極を設けた圧電振動板と、凹
凸を有する板状をなし、前記圧電振動板、　の少なくと
も一方の面に固着され、該圧電振動板の分割振動を抑制
する凹凸板とから構成してなる圧電型電磁音響変換器。1 and 2 are a longitudinal side view and a front view of the piezoelectric diaphragm of an embodiment of the piezoelectric earphone of the present invention, respectively, and FIG. 3 is a front view of another embodiment of the piezoelectric diaphragm. ' 1...Piezoelectric earphone, 2...Casing, 3゜1
3... Piezoelectric diaphragm, 3a... Single plate, 3b... Electrode, 4゜14-... Uneven plate, 4a, 14a-... Plate material, 4b, 14b... Protrusion. Amended 1984. 1.1.7 The name of the invention shall be amended as follows. ■The scope of the claim for utility model registration for piezoelectric electromagnetic acoustic transducers is amended as follows. O Utility Model Registration Claims A piezoelectric diaphragm having electrodes on both sides of a plate-shaped piezoelectric material; A piezoelectric electromagnetic acoustic transducer consisting of a concavo-convex plate that suppresses the split vibration of the piezoelectric transducer.

Claims

[Scope of utility model registration request]

a piezoelectric diaphragm having electrodes on both sides of a plate-shaped piezoelectric material; and a concavo-convex plate having an uneven plate shape and fixed to at least one surface of the piezoelectric diaphragm to suppress split vibration of the piezoelectric diaphragm. A piezoelectric earphone consisting of.