JPS62121637U - - Google Patents

Info

Publication number
JPS62121637U
JPS62121637U JP1986008397U JP839786U JPS62121637U JP S62121637 U JPS62121637 U JP S62121637U JP 1986008397 U JP1986008397 U JP 1986008397U JP 839786 U JP839786 U JP 839786U JP S62121637 U JPS62121637 U JP S62121637U
Authority
JP
Japan
Prior art keywords
loop
main loop
compensation
drive circuit
main
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
JP1986008397U
Other languages
English (en)
Other versions
JPH0435948Y2 (ja
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 filed Critical
Priority to JP1986008397U priority Critical patent/JPH0435948Y2/ja
Priority to US06/941,160 priority patent/US4710595A/en
Publication of JPS62121637U publication Critical patent/JPS62121637U/ja
Application granted granted Critical
Publication of JPH0435948Y2 publication Critical patent/JPH0435948Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Description

【図面の簡単な説明】
第１図は本考案の実施例の要部を示す回路図、
第２図ないし第５図は従来例を説明するためのも
ので、第２図は座標入力装置の原理的構成図、第
３図は検出動作を説明するためのフローチヤート
、第４図は検出原理の説明図、第５図は座標入力
装置の要部を示す回路図である。 １…発振器、２…電流ドライブ回路、２ａ…メ
インループ、２ｂ…コレクタ側、２ｃ…抵抗、３
…電流ドライブ回路、３ａ…補償ループ、３ｃ…
抵抗、３ｂ，４…スイツチング素子、５ａ…コレ
クタ側。

Claims (1)

    【実用新案登録請求の範囲】
  1. 入力平面に平行に埋設した導体からなるメイン
    ループと、メインループの共通導線の近傍に設け
    られた補償ループと、メインループの各ループに
    対して走査信号を順次送出するスイツチング素子
    と、補償ループに電流を送出するスイツチング素
    子と、メインループに対する電流ドライブ回路と
    、補償ループに対する電流ドライブ回路とを備え
    、前記入力平面上を任意にポイントし得る座標指
    示具によつて検出された信号に基づいて位置を求
    めるものにおいて、メインループの出力側と、補
    償ループの入力側とを結線したことを特徴とする
    座標入力装置。
JP1986008397U 1986-01-25 1986-01-25 Expired JPH0435948Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1986008397U JPH0435948Y2 (ja) 1986-01-25 1986-01-25
US06/941,160 US4710595A (en) 1986-01-25 1986-12-12 Coordinate input device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986008397U JPH0435948Y2 (ja) 1986-01-25 1986-01-25

Publications (2)

Publication Number Publication Date
JPS62121637U true JPS62121637U (ja) 1987-08-01
JPH0435948Y2 JPH0435948Y2 (ja) 1992-08-25

Family

ID=11692050

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986008397U Expired JPH0435948Y2 (ja) 1986-01-25 1986-01-25

Country Status (2)

Country Link
US (1) US4710595A (ja)
JP (1) JPH0435948Y2 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4959805A (en) * 1987-03-17 1990-09-25 Alps Electric Co., Ltd. Coordinate detecting device
US4831566A (en) * 1987-03-20 1989-05-16 Summagraphics Corporation Method and apparatus for calibration of a charge ratio digitizer
JPH03175521A (ja) * 1989-12-04 1991-07-30 Seiko Instr Inc 座標読取装置
JP3345433B2 (ja) * 1991-12-13 2002-11-18 富士通株式会社 画像編集装置
US5940065A (en) 1996-03-15 1999-08-17 Elo Touchsystems, Inc. Algorithmic compensation system and method therefor for a touch sensor panel
JP4004799B2 (ja) * 2002-01-09 2007-11-07 株式会社ワコム 座標入力装置のセンサコイルへの電流送出回路
US7187366B2 (en) * 2003-04-14 2007-03-06 Super Elite Technology Co., Ltd. Input system with detection of coordinates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732369A (en) * 1971-04-05 1973-05-08 Welland Investment Trust Coordinate digitizer system
US3904822A (en) * 1974-03-21 1975-09-09 Bendix Corp Absolute position determining system using free stylus
US4054746A (en) * 1975-10-22 1977-10-18 Data Automation Corporation Electronic coordinate position digitizing system
US4582955A (en) * 1984-03-23 1986-04-15 Pencept, Inc. Digitizing tablet system including a tablet having a grid structure made of two orthogonal sets of parallel uniformly sized and spaced U shaped loops of conductive material

Also Published As

Publication number Publication date
US4710595A (en) 1987-12-01
JPH0435948Y2 (ja) 1992-08-25

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