JPS5834117U - Camera film sensitivity switching device - Google Patents

Camera film sensitivity switching device

Info

Publication number
JPS5834117U
JPS5834117U JP1981129614U JP12961481U JPS5834117U JP S5834117 U JPS5834117 U JP S5834117U JP 1981129614 U JP1981129614 U JP 1981129614U JP 12961481 U JP12961481 U JP 12961481U JP S5834117 U JPS5834117 U JP S5834117U
Authority
JP
Japan
Prior art keywords
photoelectric conversion
conversion element
film sensitivity
switching device
sensitivity switching
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP1981129614U
Other languages
Japanese (ja)
Other versions
JPS6210733Y2 (en
Inventor
鳥越　優一
恩田　博喜
Original Assignee
オリンパス光学工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by オリンパス光学工業株式会社 filed Critical オリンパス光学工業株式会社
Priority to JP1981129614U priority Critical patent/JPS5834117U/en
Publication of JPS5834117U publication Critical patent/JPS5834117U/en
Application granted granted Critical
Publication of JPS6210733Y2 publication Critical patent/JPS6210733Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Exposure Control For Cameras (AREA)

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

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

第１図は、従来のフィルム感度切換装置の一例を示す斜
視図、第２図Ａ、　Ｂは、上記第１図に示すフィルム感
度切換装置の各フィルム感度切換状態を示す正面図、第
３図は、本考案の一実施例を示すフィルム感度切換装置
の斜視図、第４図Ａ。 ＢおよびＣは、上記第３図に示すフィルム感度切換装置
の各フィルム感度切換状態を示す正面図である。 、２．１２・・・・・・光電変換素子、３，１５・・・
・・・絞り部材、１３．１４・・・・・・板部材。FIG. 1 is a perspective view showing an example of a conventional film sensitivity switching device, FIGS. 2A and 2B are front views showing each film sensitivity switching state of the film sensitivity switching device shown in FIG. 1, and FIG. 3 FIG. 4A is a perspective view of a film sensitivity switching device showing an embodiment of the present invention. B and C are front views showing each film sensitivity switching state of the film sensitivity switching device shown in FIG. 3 above. , 2.12... photoelectric conversion element, 3,15...
...Aperture member, 13.14...Plate member.

Claims (1)

【実用新案登録請求の範囲】 撮影レンズの周囲に環状に配設された光電変換素子と、 この光電変換素子の前面に、撮影レンズの光輪を回動中
心として回動し、互に重合および展張自在に連結して配
設された複数枚の板部材からなつ。 ていて、同各板部材を、使用するフィルムのフィルム感
度に応じて回動させ、その重合状態から展張状態へ面積
を拡大、或いは展張状態から重合状態へ面積を縮小する
ように回動変移させることによって上記光電変換素子の
受光面積を可変させる絞り部材と、 を具備してなるカメラのフィルム感度切換装置。[Scope of Claim for Utility Model Registration] A photoelectric conversion element arranged in an annular shape around the photographic lens, and a photoelectric conversion element on the front surface of the photoelectric conversion element that rotates around the halo of the photographic lens and overlaps and expands with each other. It is made up of multiple plate members that are freely connected and arranged. The plate members are rotated according to the film sensitivity of the film used, and the area is expanded from the polymerized state to the stretched state, or the area is decreased from the stretched state to the polymerized state. A film sensitivity switching device for a camera, comprising: an aperture member that changes the light-receiving area of the photoelectric conversion element by changing the light receiving area of the photoelectric conversion element.
JP1981129614U 1981-08-29 1981-08-29 Camera film sensitivity switching device Granted JPS5834117U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981129614U JPS5834117U (en) 1981-08-29 1981-08-29 Camera film sensitivity switching device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981129614U JPS5834117U (en) 1981-08-29 1981-08-29 Camera film sensitivity switching device

Publications (2)

Publication Number Publication Date
JPS5834117U true JPS5834117U (en) 1983-03-05
JPS6210733Y2 JPS6210733Y2 (en) 1987-03-13

Family

ID=29923274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981129614U Granted JPS5834117U (en) 1981-08-29 1981-08-29 Camera film sensitivity switching device

Country Status (1)

Country Link
JP (1) JPS5834117U (en)

Also Published As

Publication number Publication date
JPS6210733Y2 (en) 1987-03-13

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