JPH0214624U - - Google Patents
Info
- Publication number
- JPH0214624U JPH0214624U JP9041488U JP9041488U JPH0214624U JP H0214624 U JPH0214624 U JP H0214624U JP 9041488 U JP9041488 U JP 9041488U JP 9041488 U JP9041488 U JP 9041488U JP H0214624 U JPH0214624 U JP H0214624U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- detection circuit
- detection
- output transistor
- 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
- 238000001514 detection method Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Description
第１図は本考案による検出スイツチの一実施例
を示すブロツク図、第２図は従来の検出スイツチ
の一例を示すブロツク図である。
１：検出回路、２：発光ダイオード、３：表示
回路、４：駆動回路、５：出力トランジスタ、９
：過電流検出回路、１２：オフデイレータイマ、
１３：フリツカ回路。
FIG. 1 is a block diagram showing an embodiment of a detection switch according to the present invention, and FIG. 2 is a block diagram showing an example of a conventional detection switch. 1: Detection circuit, 2: Light emitting diode, 3: Display circuit, 4: Drive circuit, 5: Output transistor, 9
: Overcurrent detection circuit, 12: Off delay timer,
13: Fritska circuit.
Claims (1)
の検出回路からの出力により出力トランジスタを
駆動する駆動回路と、前記出力トランジスタに流
れる過大電流を検出し前記駆動回路を介して前記
出力トランジスタをオフする過電流検出回路と、
前記検出回路の出力により発光素子を発光させる
表示回路とを備えた検出スイツチにおいて、前記
過電流検出回路に接続されたオフデイレータイマ
と、このオフデイレータイマに接続されたフリツ
カ回路とを設け、前記表示回路の発光素子が前記
フリツカ回路の出力で断続発光するようにしたこ
とを特徴とする検出スイツチ。 A detection circuit that detects an object to be detected without contact; a drive circuit that drives an output transistor using the output from the detection circuit; and a drive circuit that detects an excessive current flowing through the output transistor and turns off the output transistor via the drive circuit. an overcurrent detection circuit to
A detection switch including a display circuit that causes a light emitting element to emit light based on the output of the detection circuit, further comprising an off-delay timer connected to the overcurrent detection circuit and a flicker circuit connected to the off-delay timer. . A detection switch characterized in that a light emitting element of the display circuit emits light intermittently based on the output of the flicker circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9041488U JPH0214624U (en) | 1988-07-07 | 1988-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9041488U JPH0214624U (en) | 1988-07-07 | 1988-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0214624U true JPH0214624U (en) | 1990-01-30 |
Family
ID=31314937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9041488U Pending JPH0214624U (en) | 1988-07-07 | 1988-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0214624U (en) |
-
1988
- 1988-07-07 JP JP9041488U patent/JPH0214624U/ja active Pending