JPS5941341U - Camera film automatic drive device - Google Patents
Camera film automatic drive deviceInfo
- Publication number
- JPS5941341U JPS5941341U JP13424182U JP13424182U JPS5941341U JP S5941341 U JPS5941341 U JP S5941341U JP 13424182 U JP13424182 U JP 13424182U JP 13424182 U JP13424182 U JP 13424182U JP S5941341 U JPS5941341 U JP S5941341U
- Authority
- JP
- Japan
- Prior art keywords
- motor
- drive
- drive device
- circuit
- detection
- 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
Links
Landscapes
- Details Of Cameras Including Film Mechanisms (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図は従来の過電流検出制御回路の１例を示す回路図
である。第２図は本考案の基本回路図、第３図は本考案
の具体的実施例を示す回路図、そして第４図は本考案の
別の基本回路図である。
〔主要部分の符号の説明〕、１．Ｑ６：駆動用トランジ
スター、４． ７． Ｑ８：検出用トランジスター、３
． ３’ ：モーター駆動制御回路、８．Ｄ２：ダイ
オード、９：可変抵抗、Ｒ１□：抵抗、ＳＷ２：巻上げ
スイッチ、ＳＷ、：切換えスイッチ、Ｃ３：起動用コン
デンサー、Ｑｌ、 Ｑ２． Ｒ２，Ｒ３：制御回路、Ｒ
４＋Ｃ１：積分回路、Ｄ□：放電ダイオード、Ｑ、、
Ｑ５：自己保持回路、Ｍ：モータニ、Ｅ：電源電池。FIG. 1 is a circuit diagram showing an example of a conventional overcurrent detection control circuit. FIG. 2 is a basic circuit diagram of the present invention, FIG. 3 is a circuit diagram showing a specific embodiment of the present invention, and FIG. 4 is another basic circuit diagram of the present invention. [Explanation of symbols of main parts], 1. Q6: Drive transistor, 4. 7. Q8: Detection transistor, 3
．． 3': Motor drive control circuit, 8. D2: Diode, 9: Variable resistor, R1□: Resistor, SW2: Winding switch, SW,: Changeover switch, C3: Starting capacitor, Ql, Q2. R2, R3: control circuit, R
4+C1: Integrating circuit, D□: Discharge diode, Q, .
Q5: Self-holding circuit, M: Motor control, E: Power supply battery.
Claims (1)
動用トランジスターとにより形成されるフィルム駆動回
路と、該駆動用トランジスターノコレクタにベースを接
続する検出用トランジスターと、該検出用トランジスタ
ーの出力により該モーター駆動回路を制御するモーター
駆動制御回路とを有し、該モーターに過負荷がかかった
時に生ずる過電流を検出しモーターを自動的に停止させ
る過負荷検出制御回路に於いて、該検出用トランジスタ
ーのエミッタに一方の端子を接続されたダイオードを含
み、該ダイオードのアノードからカソードに向けて電流
を流すことにより検出レベルを設定する回路を有するこ
とを特徴とするカメラのフィルム自動駆動装置。A film drive circuit formed by a film drive motor and a drive transistor connected in series to the motor, a detection transistor whose base is connected to the collector of the drive transistor, and an output of the detection transistor that drives the motor. The overload detection control circuit has a motor drive control circuit that controls the drive circuit, detects an overcurrent that occurs when an overload is applied to the motor, and automatically stops the motor. An automatic film drive device for a camera, comprising a diode having one terminal connected to an emitter, and a circuit for setting a detection level by flowing a current from an anode to a cathode of the diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13424182U JPS5941341U (en) | 1982-09-06 | 1982-09-06 | Camera film automatic drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13424182U JPS5941341U (en) | 1982-09-06 | 1982-09-06 | Camera film automatic drive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5941341U true JPS5941341U (en) | 1984-03-16 |
| JPH052906Y2 JPH052906Y2 (en) | 1993-01-25 |
Family
ID=30302540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13424182U Granted JPS5941341U (en) | 1982-09-06 | 1982-09-06 | Camera film automatic drive device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5941341U (en) |
-
1982
- 1982-09-06 JP JP13424182U patent/JPS5941341U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH052906Y2 (en) | 1993-01-25 |
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