JPS5995330U - Detection device for perforation holes and film information signal holes - Google Patents
Detection device for perforation holes and film information signal holesInfo
- Publication number
- JPS5995330U JPS5995330U JP19232282U JP19232282U JPS5995330U JP S5995330 U JPS5995330 U JP S5995330U JP 19232282 U JP19232282 U JP 19232282U JP 19232282 U JP19232282 U JP 19232282U JP S5995330 U JPS5995330 U JP S5995330U
- Authority
- JP
- Japan
- Prior art keywords
- holes
- film
- perforation
- information signal
- film information
- 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
- Exposure Control For Cameras (AREA)
- Details Of Cameras Including Film Mechanisms (AREA)
- 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.
Claims (1)
情報を示すパーフォレーションよりも小さな円穴を穿設
した３５％サイズフィルムのパーフォレーション穴とフ
ィルム情報信号穴を光学的に検出する装置において、 フィルムのパーフォレーション列を走査可能な一対の反
射型光電変換手段と、フィルムリーグ部の第１番目のバ
ーフオレー、ジョン穴によって生成される該変換手段出
力から得られるピーク電圧をホールドする回路と、この
ピーク電圧からパーフォレーション穴を判別する為の第
１基準電圧と、該第１基準電圧より低く、フィルム情報
信号穴を判別する為の第２の基準電圧とを設定する基準
電圧設定回路と、これら第１と第２の基準電圧と光電変
換素子出力とを比較してパーフォレーション穴とフィル
ム情報信号穴を区別して検出するようにしたことを特徴
とする検出装置。[Claim for Utility Model Registration] A device for optically detecting perforation holes and film information signal holes in a 35% size film, which has circular holes smaller than perforations indicating film information in a row of perforation holes for film transport. a pair of reflective photoelectric conversion means capable of scanning a perforation row of the film; and a circuit for holding the peak voltage obtained from the output of the conversion means generated by the first barf ore and John hole of the film league part; a reference voltage setting circuit that sets a first reference voltage for determining perforation holes from this peak voltage; and a second reference voltage that is lower than the first reference voltage and for determining film information signal holes; A detection device characterized in that a perforation hole and a film information signal hole are distinguished and detected by comparing first and second reference voltages and a photoelectric conversion element output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19232282U JPS5995330U (en) | 1982-12-20 | 1982-12-20 | Detection device for perforation holes and film information signal holes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19232282U JPS5995330U (en) | 1982-12-20 | 1982-12-20 | Detection device for perforation holes and film information signal holes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5995330U true JPS5995330U (en) | 1984-06-28 |
Family
ID=30413927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19232282U Pending JPS5995330U (en) | 1982-12-20 | 1982-12-20 | Detection device for perforation holes and film information signal holes |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5995330U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6433537A (en) * | 1987-07-29 | 1989-02-03 | Fuji Photo Optical Co Ltd | Perforation counter |
-
1982
- 1982-12-20 JP JP19232282U patent/JPS5995330U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6433537A (en) * | 1987-07-29 | 1989-02-03 | Fuji Photo Optical Co Ltd | Perforation counter |
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