JPS58113024U

JPS58113024U - Electronic shutter circuit count start switch

Info

Publication number: JPS58113024U
Application number: JP779282U
Authority: JP
Inventors: 靖宏豊田; 鈴木　政行
Original assignee: キヤノン株式会社
Priority date: 1982-01-23
Filing date: 1982-01-23
Publication date: 1983-08-02

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図は先幕走行係止制御部と該制御部によって駆動さ
れるカウント開始スイッチの従来例を示す構成図、第２
図は本考案によるカウント開始スイッチの一実施例を説
明するための斜視図、第３図は第２図中図示のカウント
スイッチ詳細を示し、ａはその平面図、ｂはその正面図
、第４図は第２図中図示のレバー４２の形状を示し、ａ
はその平面図すはその正面図である。１・・・シャッター上地板、１１・・・先幕マスターギ
ア、３５・・・先幕マスターギア緊定レバー、３８・・
・カウント開始スイッチ可動接片、３９・・・カウント
開始スイッチアース用接片、４５・・・カウント開始ス
イッチカバ一部材。FIG. 1 is a configuration diagram showing a conventional example of a leading curtain running lock control section and a count start switch driven by the control section;
The figure is a perspective view for explaining one embodiment of the count start switch according to the present invention, and FIG. 3 shows details of the count switch shown in FIG. The figure shows the shape of the lever 42 shown in FIG.
is its plan view and its front view. DESCRIPTION OF SYMBOLS 1...Shutter upper base plate, 11...Front curtain master gear, 35...Front curtain master gear tensioning lever, 38...
・Count start switch movable contact piece, 39... Count start switch earth contact piece, 45... Count start switch cover part.

Claims

[Scope of utility model registration request]

In a switch that is controlled to open and close by a locking means for locking the movement of the front curtain of the shutter and detects the movement of the front curtain of the shutter, a cover means is provided to protect the contact part of the switch, and the contact part is driven. A count start switch for an electronic shutter of a camera, characterized in that a contact drive means for operating the switch is provided outside the cover means so that the operation timing of the switch can be adjusted from the outside.