JPS5397865A - Coordinate reader - Google Patents

Coordinate reader

Info

Publication number
JPS5397865A
JPS5397865A JP1234077A JP1234077A JPS5397865A JP S5397865 A JPS5397865 A JP S5397865A JP 1234077 A JP1234077 A JP 1234077A JP 1234077 A JP1234077 A JP 1234077A JP S5397865 A JPS5397865 A JP S5397865A
Authority
JP
Japan
Prior art keywords
coordinate
coordinate reader
induction
cancel
induction signals
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
JP1234077A
Other languages
Japanese (ja)
Other versions
JPS5939792B2 (en
Inventor
Yoshiharu Ishiguro
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.)
Seiko Instruments Inc
Original Assignee
Seiko Instruments Inc
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 Seiko Instruments Inc filed Critical Seiko Instruments Inc
Priority to JP52012340A priority Critical patent/JPS5939792B2/en
Publication of JPS5397865A publication Critical patent/JPS5397865A/en
Publication of JPS5939792B2 publication Critical patent/JPS5939792B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

PURPOSE: To monotonously increase and decrease the characteristics of the induction signals for the relative spacing by providing a secondary peak cancel circuit which is operative to cancel such induction signals as are generated by the magnetic induction of coordinate lines and a coordinate indicator.
COPYRIGHT: (C)1978,JPO&Japio
JP52012340A 1977-02-07 1977-02-07 coordinate reading device Expired JPS5939792B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52012340A JPS5939792B2 (en) 1977-02-07 1977-02-07 coordinate reading device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52012340A JPS5939792B2 (en) 1977-02-07 1977-02-07 coordinate reading device

Publications (2)

Publication Number Publication Date
JPS5397865A true JPS5397865A (en) 1978-08-26
JPS5939792B2 JPS5939792B2 (en) 1984-09-26

Family

ID=11802551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52012340A Expired JPS5939792B2 (en) 1977-02-07 1977-02-07 coordinate reading device

Country Status (1)

Country Link
JP (1) JPS5939792B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5583979A (en) * 1978-12-13 1980-06-24 Cameron Eugene Alan Digitizer tablet
JPS617917A (en) * 1984-06-22 1986-01-14 Nec Corp Coordinate input device
JPS61168034A (en) * 1985-01-22 1986-07-29 Nec Corp Coordinate inputting device
JPS6277627A (en) * 1985-09-30 1987-04-09 Nec Corp Coordinate input device
JPH0656826U (en) * 1991-02-21 1994-08-05 日本電気株式会社 Coordinate input device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02141214U (en) * 1989-04-27 1990-11-27

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5583979A (en) * 1978-12-13 1980-06-24 Cameron Eugene Alan Digitizer tablet
JPH0139127B2 (en) * 1978-12-13 1989-08-18 Cameron Eugene Alan
JPS617917A (en) * 1984-06-22 1986-01-14 Nec Corp Coordinate input device
JPS61168034A (en) * 1985-01-22 1986-07-29 Nec Corp Coordinate inputting device
JPS6277627A (en) * 1985-09-30 1987-04-09 Nec Corp Coordinate input device
JPH0582606B2 (en) * 1985-09-30 1993-11-19 Nippon Electric Co
JPH0656826U (en) * 1991-02-21 1994-08-05 日本電気株式会社 Coordinate input device

Also Published As

Publication number Publication date
JPS5939792B2 (en) 1984-09-26

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