JPS5925525U - Camera electric display film counter - Google Patents
Camera electric display film counterInfo
- Publication number
- JPS5925525U JPS5925525U JP11896682U JP11896682U JPS5925525U JP S5925525 U JPS5925525 U JP S5925525U JP 11896682 U JP11896682 U JP 11896682U JP 11896682 U JP11896682 U JP 11896682U JP S5925525 U JPS5925525 U JP S5925525U
- Authority
- JP
- Japan
- Prior art keywords
- film
- circuit
- output signal
- camera
- electric display
- 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.)
- Pending
Links
Landscapes
- Indication In Cameras, And Counting Of Exposures (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
第１図〜第３図は、この考案の構成の実施例の要部説明
図およびブロック的な回路図である。
Ｆ・・・・・・フィルム、Ｍ・・・・・・モータ、５Ｗ
ＩＦ・・・・・・フィルム存否検出手段、ＳＷ／Ｃ・・
・・・・撮影準備動作応答手段、ＰＩ・・・・・・フォ
トインターラプタ、ＣＵ・・・・・・計数回路、ＡＮＤ
・・・・・・出力信号発生回路、ｃｕ２・・・・・・駆
動回路、ＩＤ・・・・・・表示手段。1 to 3 are explanatory views and block circuit diagrams of main parts of an embodiment of the configuration of this invention. F...Film, M...Motor, 5W
IF...Film presence/absence detection means, SW/C...
... Photography preparation operation response means, PI ... Photo interrupter, CU ... Counting circuit, AND
...Output signal generation circuit, cu2...Drive circuit, ID...Display means.
Claims (1)
装填可能なカメラの電気表示式フィルムカウンタにおい
て、フィルムを移送する手段と、前記遮光部分がカメラ
中に存在することを検出するフィルム存否検出手段と、
撮影準備動作に応答する検出手段と、フィルム移送量に
応答して発生するパルス信号を計数して所定値に達′し
たときレベル変化する計数回路と、前記フィルム存否検
出手段、前記撮影準備動作検出手段および前記計数回路
からの各入力信号があったとき出力信号を発生する回路
と、該回路に接続された駆動回路を介して前記出力信号
発生回路からの出力信号によりフィルム駒数を電気デジ
タル式に表示する手段とを備えるフィルムカウンタ。In an electric display type film counter for a camera that can be loaded with a film having at least a light-shielding portion at both leading and trailing ends, means for transporting the film and film presence/absence detection for detecting the presence of the light-shielding portion in the camera. means and
a detection means that responds to the photographing preparation operation; a counting circuit that counts pulse signals generated in response to the film transport amount and changes the level when a predetermined value is reached; the film presence/absence detection means; and the photographing preparation operation detection means. means, a circuit that generates an output signal when each input signal from the counting circuit is received, and a drive circuit connected to the circuit to calculate the number of film frames in an electrical digital manner by the output signal from the output signal generating circuit. and means for displaying the film counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11896682U JPS5925525U (en) | 1982-08-05 | 1982-08-05 | Camera electric display film counter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11896682U JPS5925525U (en) | 1982-08-05 | 1982-08-05 | Camera electric display film counter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5925525U true JPS5925525U (en) | 1984-02-17 |
Family
ID=30273225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11896682U Pending JPS5925525U (en) | 1982-08-05 | 1982-08-05 | Camera electric display film counter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5925525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63160703A (en) * | 1986-12-24 | 1988-07-04 | Nippon Steel Corp | Spare driving method for nondriven roll between continuous hot rolling mills |
| JPH0524102U (en) * | 1991-03-05 | 1993-03-30 | 住友金属工業株式会社 | Looper roll |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5467422A (en) * | 1977-11-09 | 1979-05-30 | Canon Inc | Camera with electonic film counter |
-
1982
- 1982-08-05 JP JP11896682U patent/JPS5925525U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5467422A (en) * | 1977-11-09 | 1979-05-30 | Canon Inc | Camera with electonic film counter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63160703A (en) * | 1986-12-24 | 1988-07-04 | Nippon Steel Corp | Spare driving method for nondriven roll between continuous hot rolling mills |
| JPH051088B2 (en) * | 1986-12-24 | 1993-01-07 | Nippon Steel Corp | |
| JPH0524102U (en) * | 1991-03-05 | 1993-03-30 | 住友金属工業株式会社 | Looper roll |
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