JPS63147736U - - Google Patents
Info
- Publication number
- JPS63147736U JPS63147736U JP1987039565U JP3956587U JPS63147736U JP S63147736 U JPS63147736 U JP S63147736U JP 1987039565 U JP1987039565 U JP 1987039565U JP 3956587 U JP3956587 U JP 3956587U JP S63147736 U JPS63147736 U JP S63147736U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- detection
- oscillation
- board
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 230000010355 oscillation Effects 0.000 claims description 7
- 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 3
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、発振信号検出回路のブロツク図、第
３図は、従来装置のブロツク図である。
４……座標指示器、５……発振回路、６……制
御回路、９ａ……周波数検出回路、９ｂ……電圧
検出回路。
FIG. 1 is a block diagram showing an embodiment of the present invention, FIG. 2 is a block diagram of an oscillation signal detection circuit, and FIG. 3 is a block diagram of a conventional device. 4... Coordinate indicator, 5... Oscillation circuit, 6... Control circuit, 9a... Frequency detection circuit, 9b... Voltage 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
比較演算する制御回路と、 前記発振回路の発振信号を入力し、発振信号の
周波数と電圧値を検出し、検出信号を前記制御回
路へ出力する発振信号検出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. A control circuit that compares and calculates a plurality of induced signals induced into the board; and an oscillation signal detection device that inputs the oscillation signal of the oscillation circuit, detects the frequency and voltage value of the oscillation signal, and outputs the detection signal to the control circuit. A coordinate reading device consisting of a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987039565U JPH0353316Y2 (en) | 1987-03-18 | 1987-03-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987039565U JPH0353316Y2 (en) | 1987-03-18 | 1987-03-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63147736U true JPS63147736U (en) | 1988-09-29 |
| JPH0353316Y2 JPH0353316Y2 (en) | 1991-11-21 |
Family
ID=30852852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987039565U Expired JPH0353316Y2 (en) | 1987-03-18 | 1987-03-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0353316Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1157278B1 (en) * | 1999-11-29 | 2005-08-03 | Koninklijke Philips Electronics N.V. | A method and integrated circuit arranged for feeding a test forcing pattern on a single shared pin of the circuit |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS551781A (en) * | 1978-06-21 | 1980-01-08 | Japan Radio Co Ltd | Antenna pedestal unit |
-
1987
- 1987-03-18 JP JP1987039565U patent/JPH0353316Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS551781A (en) * | 1978-06-21 | 1980-01-08 | Japan Radio Co Ltd | Antenna pedestal unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0353316Y2 (en) | 1991-11-21 |
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