JPH01169826U - - Google Patents
Info
- Publication number
- JPH01169826U JPH01169826U JP1988066703U JP6670388U JPH01169826U JP H01169826 U JPH01169826 U JP H01169826U JP 1988066703 U JP1988066703 U JP 1988066703U JP 6670388 U JP6670388 U JP 6670388U JP H01169826 U JPH01169826 U JP H01169826U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- pull
- devices
- utility
- model registration
- 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
- 230000002265 prevention Effects 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Maintenance And Management Of Digital Transmission (AREA)
- Power Sources (AREA)
- Logic Circuits (AREA)
- Dc Digital Transmission (AREA)
Description
第１図は本考案によるカメラとデータバツクの
外観図、第２図はそれらの回路ブロツク図、第３
図は本考案による第１実施例を示す回路図、第４
図は本考案による第２実施例を示す回路図である
。
〔主要部分の符号の説明〕、１……カメラ、２
……データバツク、７，１０……ＣＰＵ、８，９
……インターフエイス回路、２５，３５，５５，
５６……ダイオード。
Figure 1 is an external view of the camera and data bag according to the present invention, Figure 2 is their circuit block diagram, and Figure 3 is a diagram of their circuit block diagram.
The figure is a circuit diagram showing the first embodiment of the present invention;
The figure is a circuit diagram showing a second embodiment of the present invention. [Explanation of symbols of main parts], 1...Camera, 2
...Data back, 7,10...CPU, 8,9
...Interface circuit, 25, 35, 55,
56...Diode.
Claims (1)
ンターフエイス回路において、 プルアツプ回路と逆流逆流阻止回路と受信信号
の電圧判別回路を備えた事を特徴とする装置間の
インターフエイス回路。[Claims for Utility Model Registration] An interface circuit for signal transmission between devices having different operating voltages, characterized by comprising a pull-up circuit, a backflow prevention circuit, and a received signal voltage discrimination circuit. face circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988066703U JPH01169826U (en) | 1988-05-20 | 1988-05-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988066703U JPH01169826U (en) | 1988-05-20 | 1988-05-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01169826U true JPH01169826U (en) | 1989-11-30 |
Family
ID=31292099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988066703U Pending JPH01169826U (en) | 1988-05-20 | 1988-05-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01169826U (en) |
-
1988
- 1988-05-20 JP JP1988066703U patent/JPH01169826U/ja active Pending
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