JPS60179881U - sensor circuit - Google Patents
sensor circuitInfo
- Publication number
- JPS60179881U JPS60179881U JP6675384U JP6675384U JPS60179881U JP S60179881 U JPS60179881 U JP S60179881U JP 6675384 U JP6675384 U JP 6675384U JP 6675384 U JP6675384 U JP 6675384U JP S60179881 U JPS60179881 U JP S60179881U
- Authority
- JP
- Japan
- Prior art keywords
- sensor circuit
- load resistance
- detected
- switching
- load
- 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
Landscapes
- Measurement Of Current Or Voltage (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
＠１図は本考案の一実施例を示す回路図、第２図は同実
施例を説明するための検出電流対検出電圧特性図、第３
図は同実施例のタイミングチャート、第４図は本考案の
他の実施例を示す′回路図、第５図は同実施例の検出電
流対検出電圧特性図、第６図は従来のセンサー回路を示
す回路図、第７図は同センサー回路のタイミングチャー
トである。
ｐｔ：・・検出素子、Ｒ４，Ｒ５・・・負荷抵抗、ＦＥ
Ｔ１・・・負荷抵抗切り換え用電界効果トランジスタ。@ Figure 1 is a circuit diagram showing an embodiment of the present invention, Figure 2 is a detection current vs. detection voltage characteristic diagram for explaining the embodiment, and Figure 3 is a diagram showing the detection current vs. detection voltage characteristics.
The figure is a timing chart of the same embodiment, Figure 4 is a circuit diagram showing another embodiment of the present invention, Figure 5 is a detection current vs. detection voltage characteristic diagram of the same embodiment, and Figure 6 is a conventional sensor circuit. FIG. 7 is a timing chart of the sensor circuit. pt:...Detection element, R4, R5...Load resistance, FE
T1: Field effect transistor for switching load resistance.
Claims (1)
この負荷抵抗の値を上記検出電流値に基づいて切り換え
る負荷抵抗切り換え手段とを有し、物体検出時の負荷抵
抗を物体検出前の負荷抵抗より大きくなるように切り換
えることを特徴としてなるセンサー回路。a load resistor that converts the detected current from the detection element into voltage;
A sensor circuit comprising load resistance switching means for switching the value of the load resistance based on the detected current value, and switching the load resistance when an object is detected to be larger than the load resistance before the object is detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6675384U JPS60179881U (en) | 1984-05-08 | 1984-05-08 | sensor circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6675384U JPS60179881U (en) | 1984-05-08 | 1984-05-08 | sensor circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60179881U true JPS60179881U (en) | 1985-11-29 |
Family
ID=30599950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6675384U Pending JPS60179881U (en) | 1984-05-08 | 1984-05-08 | sensor circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60179881U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5327859B2 (en) * | 1973-11-13 | 1978-08-10 |
-
1984
- 1984-05-08 JP JP6675384U patent/JPS60179881U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5327859B2 (en) * | 1973-11-13 | 1978-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60179881U (en) | sensor circuit | |
| JPS5821866U (en) | level detection device | |
| JPS6135444U (en) | Cascade circuit of semiconductor devices with control poles | |
| JPS60181927U (en) | Transistor switching circuit with protection function | |
| JPS60116598U (en) | gas detection device | |
| JPS61352U (en) | Signal disconnection detection circuit | |
| JPS6013435U (en) | temperature detection circuit | |
| JPS5816917U (en) | amplifier bias circuit | |
| JPS6024883U (en) | Ignition signal detection circuit | |
| JPS6056286U (en) | magnetic detection circuit | |
| JPS5883823U (en) | audio default device | |
| JPS5819254U (en) | Flammable gas detection device | |
| JPS6137626U (en) | variable resistance circuit | |
| JPS58155142U (en) | Power-on detection circuit | |
| JPS5830783U (en) | Electromagnetic pump drive device | |
| JPS6155U (en) | Condensation detection circuit | |
| JPS5866418U (en) | Overcurrent cutoff protection circuit for internal short circuit of stabilized negative voltage source | |
| JPS59119624U (en) | voltage limit circuit | |
| JPS5847937U (en) | Operation key detection device | |
| JPS5866419U (en) | Overcurrent cutoff protection circuit for stabilized positive voltage source internal short circuit | |
| JPS58150194U (en) | Sensor information reading circuit | |
| JPS582014U (en) | current detection circuit | |
| JPS59127343U (en) | gate circuit | |
| JPS60116501U (en) | Control signal switching circuit | |
| JPS60125583U (en) | Lightning arrester deterioration detection device |