JPS60184398U - electroacoustic transducer - Google Patents

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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図、第３図、第４図、第５図、第６図はそれぞれ本
考案の実施例を示す正面図、第２図は本考案実施例の説
明図、第７図は従来の電気音響変換器の一例を示す正面
図、第８図は第７図の説明図である。 １・・・振動膜、３ａｔ　３ｂｙ　３ｃｔ　　３ｄｔ　
３ｅｔ３ｆｔ　３ｇ・・・電極、４・・・接続部、なお
各図中同一符号は同一または相当部分を示すものとする
。Figures 1, 3, 4, 5, and 6 are front views showing embodiments of the present invention, Figure 2 is an explanatory diagram of the embodiment of the present invention, and Figure 7 is a conventional electric A front view showing an example of an acoustic transducer, FIG. 8 is an explanatory diagram of FIG. 7. 1... Vibration membrane, 3at 3by 3ct 3dt
3et3ft 3g...electrode, 4...connection part, and the same reference numerals in each figure indicate the same or corresponding parts.

Claims (6)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）一枚の方形状振動膜上に複数個に分割された電極
が設けられ、ディジタル信号で直接駆動される電気音響
変換器において、前記振動膜の対向する二辺の中点を結
ぶ線上またはその近（に少くとも最少面積となる電極を
形成し、該電極をはさむように、他の面積を有する電極
を順次゛　　配置したことを特徴とする電気音響変換器
。(1) In an electroacoustic transducer in which a plurality of divided electrodes are provided on a single rectangular diaphragm and are directly driven by digital signals, a line connecting the midpoints of two opposing sides of the diaphragm An electroacoustic transducer characterized in that an electrode having at least a minimum area is formed near (at least) an electrode having a minimum area, and electrodes having other areas are sequentially arranged to sandwich the electrode. （２）他の面積を有する電極を二つに分割し、最小電極
をはさむように、順次配置したことを特徴とする実用新
案登録請求の範囲第１項に記載の電気音響変換器。(2) The electroacoustic transducer according to claim 1, which has been registered as a utility model, characterized in that the electrodes having different areas are divided into two parts and arranged one after another so that the smallest electrode is sandwiched between them. （３）分割する電極を２等分し最小面積となる電極に関
し、対称となるように配置したことを特徴とする実用新
案登録請求の範囲第（２）項に記載の電気音響変換器。(3) The electroacoustic transducer according to claim (2) of the utility model registration, characterized in that the electrodes to be divided are divided into two and arranged symmetrically with respect to the electrode having the smallest area. （４）分割する電極を最小面積を有する電極から順次面
積の大きくなる電極に配置したことを特徴とする実用新
案登録請求の範囲第（２）項または第（３）項に記載の
電気音響変換器。(4) The electroacoustic conversion according to claim 2 or 3 of the utility model registration claim, characterized in that the electrodes to be divided are arranged from the electrode with the smallest area to the electrode with the area increasing sequentially. vessel. （５）電極の外形形状を方形状にしたことを特徴とする
実用新案登録請求の範囲第（１）項に記載の電気音響変
換器。(5) The electroacoustic transducer according to claim (1), wherein the electrode has a rectangular outer shape. （６）　　振動膜が圧電型、・静電型、電磁型のいずれ
かの駆動方式をとることを特徴とする実用新案登録請求
の範囲第（１）項に記載の電気音響変換器。(6) The electroacoustic transducer according to claim 1, wherein the vibrating membrane is driven by one of piezoelectric, electrostatic, and electromagnetic types.