JPS632178U - - Google Patents
Info
- Publication number
- JPS632178U JPS632178U JP9525686U JP9525686U JPS632178U JP S632178 U JPS632178 U JP S632178U JP 9525686 U JP9525686 U JP 9525686U JP 9525686 U JP9525686 U JP 9525686U JP S632178 U JPS632178 U JP S632178U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- dead band
- hall
- differential amplifier
- setting device
- 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 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の磁力線方向検出器の回路ブロ
ツク図である。
１：ホール素子、３：差動増幅器、４：アナロ
グコンパレータ、５：不感帯設定器、６：表示灯
、７：表示灯。
FIG. 1 is a circuit block diagram of a magnetic field direction detector according to the present invention. 1: Hall element, 3: Differential amplifier, 4: Analog comparator, 5: Dead band setting device, 6: Indicator light, 7: Indicator light.
Claims (1)
おいて、磁場内に置いたホール素子のホール電圧
を差動増幅する差動増幅器と、一定範囲内のホー
ル電圧に対して設定する不感帯設定器と、前記差
動増幅器の出力電圧と前記不感帯設定器の不感帯
両端の出力電圧とを比較するアナログコンパレー
タと、前記差動増幅器の出力が前記不感帯設定器
の出力電圧範囲より大きい場合及び小さい場合に
それぞれ別個に点灯する２個の表示灯を設けてな
る磁力線方向検出器。 In a magnetic field measuring instrument using a Hall element as a magnetic field detection element, a differential amplifier differentially amplifies the Hall voltage of the Hall element placed in a magnetic field, a dead band setting device configured to set the Hall voltage within a certain range, and the an analog comparator that compares the output voltage of the differential amplifier with the output voltage across the dead band of the dead band setting device; A magnetic field line direction detector equipped with two indicator lights that light up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9525686U JPS632178U (en) | 1986-06-20 | 1986-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9525686U JPS632178U (en) | 1986-06-20 | 1986-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS632178U true JPS632178U (en) | 1988-01-08 |
Family
ID=30959591
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9525686U Pending JPS632178U (en) | 1986-06-20 | 1986-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS632178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990003581A1 (en) * | 1988-09-22 | 1990-04-05 | Toyo Communication Equipment Co., Ltd. | Current sensor circuit |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS519775B2 (en) * | 1972-12-20 | 1976-03-30 | ||
| JPS5239181B2 (en) * | 1975-02-12 | 1977-10-04 | ||
| JPS60151630A (en) * | 1984-01-18 | 1985-08-09 | Konishiroku Photo Ind Co Ltd | Original size detecting device of copying machine |
-
1986
- 1986-06-20 JP JP9525686U patent/JPS632178U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS519775B2 (en) * | 1972-12-20 | 1976-03-30 | ||
| JPS5239181B2 (en) * | 1975-02-12 | 1977-10-04 | ||
| JPS60151630A (en) * | 1984-01-18 | 1985-08-09 | Konishiroku Photo Ind Co Ltd | Original size detecting device of copying machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1990003581A1 (en) * | 1988-09-22 | 1990-04-05 | Toyo Communication Equipment Co., Ltd. | Current sensor circuit |
| EP0386272A1 (en) * | 1988-09-22 | 1990-09-12 | Toyo Communication Equipment Co. Ltd. | Current sensor circuit |
| EP0386272B1 (en) * | 1988-09-22 | 1994-11-30 | Toyo Communication Equipment Co. Ltd. | Current sensor circuit |