JPS585028U

JPS585028U - film counter

Info

Publication number: JPS585028U
Application number: JP8714282U
Authority: JP
Inventors: 井浦　幸雄; 山道　雅義; 高志内山; 哲也田口; 真下　行夫
Original assignee: キヤノン株式会社
Priority date: 1982-06-10
Filing date: 1982-06-10
Publication date: 1983-01-13

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図は本考案フィルムカウンタの一実施例を示す斜視
図、第２図は第１図のフィルムカウンタのディジタル計
数回路図、第３図はスイッチＳＷ２の開閉をスプロケッ
トにより行う場合を示す斜視図、第４図はフィルム枚数
の表示をファインダ表示により行う場合を示す図、第５
図は第４図のファインダ視野外に表示する場合の構成を
示す断面図、第６図は第４図のファインダ視野内に表示
する場合の構成を示す断面図、第７図は第６図の斜視図
、第８図は第２図の回路にフィルム空送り補正回路を付
加して示す回路図である。１・・・・・・カメラ本体、２・・・・・・背蓋、３・
・・・・・固体発光器、４・・・・・・ギア、７・・・
・・・カウンタ、９・・・・・・巻上レバー、２６・・
・・・・フィルム空送り補正回路、ＳＷｌ・・・・・・
電源スィッチ、ＳＷ２・・・・・・スイッチ、ＳＷ３・
・・・・・リセットスイッチ、ＳＷ、・・・・・・設定
スイッチ、ＳＷ５・・・・・・押ボタンスイッチ、ＳＷ
６・・・・・・スイッチ。Fig. 1 is a perspective view showing an embodiment of the film counter of the present invention, Fig. 2 is a digital counting circuit diagram of the film counter shown in Fig. 1, and Fig. 3 is a perspective view showing a case where switch SW2 is opened and closed by a sprocket. , Figure 4 is a diagram showing the case where the number of films is displayed on the finder display, Figure 5
The figure is a cross-sectional view showing the configuration when displaying outside the viewfinder field of view in Figure 4, Figure 6 is a cross-sectional view showing the configuration when displaying within the viewfinder field of view in Figure 4, and Figure 7 is the same as in Figure 6. The perspective view of FIG. 8 is a circuit diagram showing the circuit of FIG. 2 with a film feed correction circuit added thereto. 1...Camera body, 2...Back cover, 3.
...Solid light emitter, 4...Gear, 7...
... Counter, 9... Winding lever, 26...
...Film blank feed correction circuit, SWl...
Power switch, SW2... Switch, SW3.
...Reset switch, SW, ...Setting switch, SW5...Push button switch, SW
6...Switch.

Claims

[Scope of utility model registration request]

A digital display device is disposed on the exterior of the camera or in the viewfinder optical path, and a counter is connected to the display device. A switch is provided, and the pulse is applied to the counter to display the number of films on the display device, and the power supply is connected to a second switch that is linked to the opening and closing of the back cover, and a third switch that is operated arbitrarily.
The counter is connected to the power supply via the second switch, and the other circuits are connected to the power supply via the second switch and the third switch. film counter.