JPS6461815A - Coordinate input device - Google Patents
Coordinate input deviceInfo
- Publication number
- JPS6461815A JPS6461815A JP21789287A JP21789287A JPS6461815A JP S6461815 A JPS6461815 A JP S6461815A JP 21789287 A JP21789287 A JP 21789287A JP 21789287 A JP21789287 A JP 21789287A JP S6461815 A JPS6461815 A JP S6461815A
- Authority
- JP
- Japan
- Prior art keywords
- input
- plate
- vibration
- sensors
- pen
- 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
Abstract
PURPOSE:To always ensure the accurate coordinate input by detecting the vibrations caused by a vibration pen via plural vibration sensors set on a vibration transmitting plate and selecting plural optimum sensors in response to the value of vibration transmitting time for execution of the coordinate input. CONSTITUTION:The coordinate input is carried out by an input tablet consisting of a vibration transmitting plate 8 via a vibration pen 3. Then the input pictures are displayed on a display device 11 consisting of a CRT put on the input tablet based on the input coordinate information. The plate 8 uses an acrylic plate, a glass plate, etc., and transmits the vibrations received from the pen 3 to the vibration sensors set at the centers of the four sides and the center part of the plate 8 respectively. The time needed for transmission of the ultrasonic wave vibrations between an input point and those sensors are counted for detection of the coordinates of the pen on the plate 8. In this case, the sensors suited to the calculation of the coordinate are selectively used. Then three data having the minimum time values are used for calculation of the coordinates among those vibration transmitting time data obtained from those sensors 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21789287A JPH0797306B2 (en) | 1987-09-02 | 1987-09-02 | Coordinate input device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP21789287A JPH0797306B2 (en) | 1987-09-02 | 1987-09-02 | Coordinate input device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6461815A true JPS6461815A (en) | 1989-03-08 |
JPH0797306B2 JPH0797306B2 (en) | 1995-10-18 |
Family
ID=16711396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP21789287A Expired - Fee Related JPH0797306B2 (en) | 1987-09-02 | 1987-09-02 | Coordinate input device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0797306B2 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6139121A (en) * | 1984-07-31 | 1986-02-25 | Nippon Mekatoronikusu Kk | Reading device for coordinate position information |
JPS61169931A (en) * | 1985-01-24 | 1986-07-31 | Alps Electric Co Ltd | Input device |
-
1987
- 1987-09-02 JP JP21789287A patent/JPH0797306B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6139121A (en) * | 1984-07-31 | 1986-02-25 | Nippon Mekatoronikusu Kk | Reading device for coordinate position information |
JPS61169931A (en) * | 1985-01-24 | 1986-07-31 | Alps Electric Co Ltd | Input device |
Also Published As
Publication number | Publication date |
---|---|
JPH0797306B2 (en) | 1995-10-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
LAPS | Cancellation because of no payment of annual fees |