JPS5397865A - Coordinate reader - Google Patents
Coordinate readerInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02141214U (en) * | 1989-04-27 | 1990-11-27 |
-
1977
- 1977-02-07 JP JP52012340A patent/JPS5939792B2/en not_active Expired
Cited By (7)
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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