JPS63191307U

JPS63191307U -

Info

Publication number: JPS63191307U
Application number: JP8426887U
Authority: JP
Priority date: 1987-05-28
Filing date: 1987-05-28
Publication date: 1988-12-09

Description

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

第１図はこの考案の一実施例によるカメラ装置
の斜視図、第２図はこの考案のカメラ装置の動作
回路図、第３図は従来のカメラ装置の斜視図、第
４図は従来のカメラ装置の動作回路図である。図において、２はオートフオーカス装置、３は
レンズ鏡胴、９は圧電素子である。なお、図中、
同一符号は同一又は相当部分を示す。 Fig. 1 is a perspective view of a camera device according to an embodiment of this invention, Fig. 2 is an operational circuit diagram of the camera device of this invention, Fig. 3 is a perspective view of a conventional camera device, and Fig. 4 is a conventional camera device. FIG. 3 is an operational circuit diagram of the device. In the figure, 2 is an autofocus device, 3 is a lens barrel, and 9 is a piezoelectric element. In addition, in the figure,
The same reference numerals indicate the same or equivalent parts.

Claims

【実用新案登録請求の範囲】 (1) オートフオーカス装置を具備し、レンズ鏡
胴を備えたカメラ装置において、上記レンズ鏡胴
の外周に圧電素子を設け、圧電素子の抵抗値の変
化によりオートフオーカス装置の動作を制御する
ことを特徴とするカメラ装置。 (2) 前記圧電素子に接続され、レンズ鏡胴の外
周に備えられた回動電極と、回動電極に当接され
、筺体内部に固定された固定電極を備え、回動電
極と固定電極の電気的接続によつて圧電素子を通
る電流をオートフオーカス駆動回路に伝達するこ
とを特徴とする実用新案登録請求の範囲第１項記
載のカメラ装置。[Claims for Utility Model Registration] (1) In a camera device equipped with an autofocus device and a lens barrel, a piezoelectric element is provided on the outer periphery of the lens barrel, and automatic focusing is performed by changing the resistance value of the piezoelectric element. A camera device characterized by controlling the operation of a focus device. (2) A rotating electrode connected to the piezoelectric element and provided on the outer periphery of the lens barrel, and a fixed electrode that is in contact with the rotating electrode and fixed inside the housing; 2. The camera device according to claim 1, wherein a current passing through the piezoelectric element is transmitted to an autofocus drive circuit by an electrical connection.