JPH0485830U - - Google Patents
Info
- Publication number
- JPH0485830U JPH0485830U JP12434890U JP12434890U JPH0485830U JP H0485830 U JPH0485830 U JP H0485830U JP 12434890 U JP12434890 U JP 12434890U JP 12434890 U JP12434890 U JP 12434890U JP H0485830 U JPH0485830 U JP H0485830U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- vehicle
- input
- input buffer
- buffer circuit
- 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
- 239000003990 capacitor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Electronic Switches (AREA)
Description
第１図は本考案の一実施例の回路図、第２図は
本考案の一実施例についての動作状態をしめすタ
イミングチヤートである。
１〜２……フオトカプラ、３〜４……抵抗器、
５……コンデンサ、６……ツエナーダイオード、
７……ＮＯＴ素子、８……接点。
FIG. 1 is a circuit diagram of one embodiment of the present invention, and FIG. 2 is a timing chart showing the operating state of one embodiment of the present invention. 1-2...Photocoupler, 3-4...Resistor,
5... Capacitor, 6... Zener diode,
7...NOT element, 8... Contact.
Claims (1)
力バツフア回路において、入力信号がオフ状態の
ときは、回路の入力部をＯＶに短絡する回路を設
けたことを特徴とする車両用入力バツフア回路。 1. An input buffer circuit for a vehicle comprising a photocoupler and a filter circuit, characterized in that the input buffer circuit for a vehicle is provided with a circuit that short-circuits an input part of the circuit to OV when an input signal is in an OFF state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12434890U JPH0485830U (en) | 1990-11-28 | 1990-11-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12434890U JPH0485830U (en) | 1990-11-28 | 1990-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0485830U true JPH0485830U (en) | 1992-07-27 |
Family
ID=31872006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12434890U Pending JPH0485830U (en) | 1990-11-28 | 1990-11-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0485830U (en) |
-
1990
- 1990-11-28 JP JP12434890U patent/JPH0485830U/ja active Pending
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