JPS62216023A - 座標入力装置 - Google Patents

座標入力装置

Info

Publication number
JPS62216023A
JPS62216023A JP61053603A JP5360386A JPS62216023A JP S62216023 A JPS62216023 A JP S62216023A JP 61053603 A JP61053603 A JP 61053603A JP 5360386 A JP5360386 A JP 5360386A JP S62216023 A JPS62216023 A JP S62216023A
Authority
JP
Japan
Prior art keywords
capacitance
terminal
circuit
oscillator
operational amplifier
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
Application number
JP61053603A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0527885B2 (enExample
Inventor
Toru Asano
徹 浅野
Minoru Ohashi
実 大橋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP61053603A priority Critical patent/JPS62216023A/ja
Publication of JPS62216023A publication Critical patent/JPS62216023A/ja
Publication of JPH0527885B2 publication Critical patent/JPH0527885B2/ja
Granted legal-status Critical Current

Links

JP61053603A 1986-03-13 1986-03-13 座標入力装置 Granted JPS62216023A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP61053603A JPS62216023A (ja) 1986-03-13 1986-03-13 座標入力装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61053603A JPS62216023A (ja) 1986-03-13 1986-03-13 座標入力装置

Publications (2)

Publication Number Publication Date
JPS62216023A true JPS62216023A (ja) 1987-09-22
JPH0527885B2 JPH0527885B2 (enExample) 1993-04-22

Family

ID=12947456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61053603A Granted JPS62216023A (ja) 1986-03-13 1986-03-13 座標入力装置

Country Status (1)

Country Link
JP (1) JPS62216023A (enExample)

Also Published As

Publication number Publication date
JPH0527885B2 (enExample) 1993-04-22

Similar Documents

Publication Publication Date Title
JP3139305B2 (ja) 容量型加速度センサ
US4149231A (en) Capacitance-to-voltage transformation circuit
US6304091B1 (en) Absolute position sensing by phase shift detection using a variable capacitor
US3256426A (en) Integrating totalizer
US3986109A (en) Self-calibrating dimension gauge
JPH03503804A (ja) 精密容量性トランスデューサ回路と方法
CN111693784B (zh) 一种微弱电容变化测量电路
JPH0862266A (ja) 静電容量変化量検出装置
JPS6135514B2 (enExample)
JP2002022786A (ja) インピーダンス検出回路及びインピーダンス検出方法
JPH056544Y2 (enExample)
US4167697A (en) Capacitive pick-off circuit
JP2003075487A (ja) インピーダンス検出装置及び静電容量検出装置
JPS62216023A (ja) 座標入力装置
JPS60181913A (ja) 座標検出装置
JP2002022785A (ja) インピーダンス検出回路及びインピーダンス検出方法
JPH0118451B2 (enExample)
JP2862761B2 (ja) 静電容量式アルコール濃度測定装置
Joarder et al. A linear front-end circuit for offset-affected grounded capacitive sensors
JPH0351748Y2 (enExample)
SU977930A1 (ru) Емкостный измеритель перемещений
Toth et al. A low-cost, accurate and fast capacitive displacement sensor with microcontroller interfacing
JP2729321B2 (ja) 静電容量型測長器
SU1624352A1 (ru) Устройство дл измерени сопротивлений
JPH0754829Y2 (ja) 測温抵抗体回路