JPH01144934U - - Google Patents
Info
- Publication number
- JPH01144934U JPH01144934U JP4156288U JP4156288U JPH01144934U JP H01144934 U JPH01144934 U JP H01144934U JP 4156288 U JP4156288 U JP 4156288U JP 4156288 U JP4156288 U JP 4156288U JP H01144934 U JPH01144934 U JP H01144934U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- detection
- control circuit
- board
- signal
- 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 9
- 230000010355 oscillation Effects 0.000 claims description 2
- 230000005284 excitation Effects 0.000 claims 4
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000006698 induction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
Landscapes
- Test And Diagnosis Of Digital Computers (AREA)
Description
第１図は、本考案の一実施例を示すブロツク図
、第２図は、従来装置のブロツク図、第３図は、
スレツシヨルドレベルを設けた場合の異状センス
ラインの波形図、第４図は、電圧比較による異状
センスラインの波形図である。
１…検出走査盤、２…Ｘ方向走査回路、３…Ｙ
方向走査回路、４…座標指示器、５…発振回路、
６…制御回路、７…増幅回路、８…演算回路、９
…センスラインシヨート検出回路。
Fig. 1 is a block diagram showing an embodiment of the present invention, Fig. 2 is a block diagram of a conventional device, and Fig. 3 is a block diagram showing an embodiment of the present invention.
FIG. 4 is a waveform diagram of the abnormal sense line when a threshold level is provided. FIG. 4 is a waveform diagram of the abnormal sense line obtained by voltage comparison. 1...Detection scanning board, 2...X direction scanning circuit, 3...Y
direction scanning circuit, 4...coordinate indicator, 5...oscillation circuit,
6...Control circuit, 7...Amplification circuit, 8...Arithmetic circuit, 9
...Sense line short detection circuit.
Claims (1)
と、 前記励磁コイルに励磁信号を送る発振回路と、 前記励磁コイルとの電磁結合による誘導信号を
検出する、複数のセンスラインを敷設した検出走
査盤と、 前記検出走査盤に敷設した複数のセンスライン
を順次選択する走査回路と、 前記検出走査盤からの誘導信号を増幅し量子化
を行う増幅回路と、 前記検出走査盤に誘導された複数の誘導信号を
比較演算する演算回路と、 前記走査回路等の回路を制御する制御回路と、 前記演算回路から出力される演算信号を入力し
センスライン間のシヨートを検知し、検出信号を
前記制御回路へ出力するセンスラインシヨート検
出回路と、 前記センスラインシヨート検出回路から出力さ
れた信号は制御回路を通過し、外部へ警告を発す
る為の機能を持つた表示回路とで構成される座標
読取装置。[Claims for Utility Model Registration] A coordinate indicator having an excitation coil that generates a magnetic field, an oscillation circuit that sends an excitation signal to the excitation coil, and a plurality of senses that detect induction signals due to electromagnetic coupling with the excitation coil. a detection scanning board on which lines are laid; a scanning circuit that sequentially selects a plurality of sense lines laid on the detection scanning board; an amplifier circuit that amplifies and quantizes the induced signal from the detection scanning board; and the detection scanning board. an arithmetic circuit that compares and calculates a plurality of induced signals guided to the board; a control circuit that controls circuits such as the scanning circuit; and a control circuit that inputs the arithmetic signals output from the arithmetic circuit and detects shorts between sense lines. , a sense line short detection circuit that outputs a detection signal to the control circuit; and a display circuit that allows the signal output from the sense line short detection circuit to pass through the control circuit and issue a warning to the outside. A coordinate reading device consisting of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4156288U JPH01144934U (en) | 1988-03-29 | 1988-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4156288U JPH01144934U (en) | 1988-03-29 | 1988-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01144934U true JPH01144934U (en) | 1989-10-05 |
Family
ID=31267999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4156288U Pending JPH01144934U (en) | 1988-03-29 | 1988-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01144934U (en) |
-
1988
- 1988-03-29 JP JP4156288U patent/JPH01144934U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9575140B2 (en) | Magnetic interference detection system and method | |
| WO2001050308A3 (en) | Magneto-resistive signal isolator | |
| JP3691551B2 (en) | Current sensor based on compensation principle | |
| SU841610A3 (en) | Electromagnetic gage sensitive to change of magnetic field | |
| JPH01144934U (en) | ||
| JPS63147736U (en) | ||
| JPS5873806A (en) | Alarming device for zigzag running of car | |
| JP3241617B2 (en) | Automated guided vehicle address detection device and its address detection method | |
| JPH037764Y2 (en) | ||
| JPS59174740U (en) | proximity switch | |
| US3560917A (en) | Magnetic signal sensing device for self-propelled vehicles and the like | |
| JPS6280800A (en) | Vehicle type identifier | |
| JPH0719010Y2 (en) | Pulse current detector | |
| KR20060055150A (en) | Car sensing device | |
| JPS56162671A (en) | Temperature detection system for wire dot type printing head | |
| JPH02108107U (en) | ||
| JP3208043B2 (en) | Electromagnetic log sensor | |
| SU926583A1 (en) | Method of magnetic noise structuroscopy | |
| JP2897300B2 (en) | Magnetic detector | |
| SU912579A1 (en) | Track sensor | |
| JPH04600A (en) | Vehicle sensing device | |
| SU1113730A2 (en) | Device for checking physical mechanical parameters of ferromagnetic articles | |
| SU1479868A1 (en) | Scanning transducer of magnetic fields | |
| JPH01133126A (en) | Coordinate reader | |
| JPH03105023U (en) |