JPH01149624U - - Google Patents
Info
- Publication number
- JPH01149624U JPH01149624U JP1988046003U JP4600388U JPH01149624U JP H01149624 U JPH01149624 U JP H01149624U JP 1988046003 U JP1988046003 U JP 1988046003U JP 4600388 U JP4600388 U JP 4600388U JP H01149624 U JPH01149624 U JP H01149624U
- Authority
- JP
- Japan
- Prior art keywords
- microprocessor
- input interface
- outputs
- signal
- input
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Exposure Control For Cameras (AREA)
- Electronic Switches (AREA)
Description
第１図は本考案によるカメラ用制御装置の回路
図、第２図、第３図、第４図は従来の入力インタ
フエースの回路図である。
１……同一チツプ、２……入力インタフエース
、３……信号回路、４……マイクロプロセツサ、
２ａ……インバータ、２ｂ……バツフア、Ｖ１…
…制御信号、Ｖ０……出力信号、ＳＷ１……第１
のスイツチ、ＳＷ２……第２のスイツチ。
FIG. 1 is a circuit diagram of a camera control device according to the present invention, and FIGS. 2, 3, and 4 are circuit diagrams of a conventional input interface. 1... Same chip, 2... Input interface, 3... Signal circuit, 4... Microprocessor,
2a...inverter, 2b...buffer, V1 ...
...control signal, V 0 ...output signal, SW 1 ...first
Switch, SW 2 ...Second switch.
Claims (1)
サへ信号を入力する入力インタフエースと、前記
マイクロプロセツサの制御に応じて前記入力イン
タフエースに制御信号を送出する信号回路とを備
え、前記入力インタフエースは、前記制御信号が
入力されて動作するインバータと、前記インバー
タの出力を前記マイクロプロセツサに出力するバ
ツフアとを有し、前記バツフアの入力側はＨレベ
ルを出力する第１のスイツチおよびＬレベルを出
力する第２のスイツチに接続され、前記マイクロ
プロセツサ、前記入力インタフエースおよび前記
信号回路を同一チツプ上に集積したことを特徴と
するカメラ用制御装置。 A microprocessor, an input interface for inputting a signal to the microprocessor, and a signal circuit for sending a control signal to the input interface in accordance with the control of the microprocessor, the input interface comprising: It has an inverter that operates when the control signal is input, and a buffer that outputs the output of the inverter to the microprocessor, and the input side of the buffer is a first switch that outputs an H level and a first switch that outputs an L level. 1. A control device for a camera, characterized in that the microprocessor, the input interface, and the signal circuit are integrated on the same chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988046003U JPH0723770Y2 (en) | 1988-04-05 | 1988-04-05 | Camera control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988046003U JPH0723770Y2 (en) | 1988-04-05 | 1988-04-05 | Camera control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01149624U true JPH01149624U (en) | 1989-10-17 |
| JPH0723770Y2 JPH0723770Y2 (en) | 1995-05-31 |
Family
ID=31272290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988046003U Expired - Lifetime JPH0723770Y2 (en) | 1988-04-05 | 1988-04-05 | Camera control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0723770Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6120019A (en) * | 1984-07-09 | 1986-01-28 | Canon Inc | Power supplying method between camera accessories |
| JPS62210438A (en) * | 1986-03-11 | 1987-09-16 | Minolta Camera Co Ltd | Driving circuit for camera |
-
1988
- 1988-04-05 JP JP1988046003U patent/JPH0723770Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6120019A (en) * | 1984-07-09 | 1986-01-28 | Canon Inc | Power supplying method between camera accessories |
| JPS62210438A (en) * | 1986-03-11 | 1987-09-16 | Minolta Camera Co Ltd | Driving circuit for camera |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0723770Y2 (en) | 1995-05-31 |