JPS57176450A - Coordinate input device with display function - Google Patents

Coordinate input device with display function

Info

Publication number
JPS57176450A
JPS57176450A JP56061822A JP6182281A JPS57176450A JP S57176450 A JPS57176450 A JP S57176450A JP 56061822 A JP56061822 A JP 56061822A JP 6182281 A JP6182281 A JP 6182281A JP S57176450 A JPS57176450 A JP S57176450A
Authority
JP
Japan
Prior art keywords
electrodes
magnetic field
region
seal
display
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
Application number
JP56061822A
Other languages
Japanese (ja)
Inventor
Hisashi Yamaguchi
Shizuhito Ando
Toyoshi Kawada
Kazuhiro Takahara
Naoto Tanabe
Yukio Takeda
Yoshitami Aono
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 JP56061822A priority Critical patent/JPS57176450A/en
Publication of JPS57176450A publication Critical patent/JPS57176450A/en
Pending 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

Abstract

PURPOSE:To perform accurate coordinate input to utmost limit of display area, by providing electrodes causing non-linear magnetic field phase change adjacent to both ends of display electrodes as compensation electrodes for magnetic field phase. CONSTITUTION:A seal section 3 seals discharge gases in air-tightness, and an ineffective display region ND provided for the safety taking adverse effect of the forming material of the seal 3 on characteristics into consideration is the region about 5mm. from the seal to the discharge gas space. The ND is used for the region constituting electrodes xa1-xa3, x'a1-x'a3 and the like to compensate the phase of magnetic field for position detection at an effective display region D. Position changing distortion of position detecting magnetic field of the effective display can be compensated by the electrodes and driving each electrode.
JP56061822A 1981-04-22 1981-04-22 Coordinate input device with display function Pending JPS57176450A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56061822A JPS57176450A (en) 1981-04-22 1981-04-22 Coordinate input device with display function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56061822A JPS57176450A (en) 1981-04-22 1981-04-22 Coordinate input device with display function

Publications (1)

Publication Number Publication Date
JPS57176450A true JPS57176450A (en) 1982-10-29

Family

ID=13182153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56061822A Pending JPS57176450A (en) 1981-04-22 1981-04-22 Coordinate input device with display function

Country Status (1)

Country Link
JP (1) JPS57176450A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61262835A (en) * 1985-05-15 1986-11-20 Mitsubishi Electric Corp Picture terminal equipment
JPS61286918A (en) * 1985-06-14 1986-12-17 Hitachi Ltd Liquid crystal display device having coordinate input function
US5854881A (en) * 1994-05-31 1998-12-29 Sharp Kabushiki Kaisha Coordinate detection device capable of detecting coordinates using display panel provided specially for display

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61262835A (en) * 1985-05-15 1986-11-20 Mitsubishi Electric Corp Picture terminal equipment
JPS61286918A (en) * 1985-06-14 1986-12-17 Hitachi Ltd Liquid crystal display device having coordinate input function
US5854881A (en) * 1994-05-31 1998-12-29 Sharp Kabushiki Kaisha Coordinate detection device capable of detecting coordinates using display panel provided specially for display

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