JPS6461815A - Coordinate input device - Google Patents

Coordinate input device

Info

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
Application number
JP21789287A
Other languages
Japanese (ja)
Other versions
JPH0797306B2 (en
Inventor
Katsuyuki Kobayashi
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.)
Canon Inc
Original Assignee
Canon 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 Canon Inc filed Critical Canon Inc
Priority to JP21789287A priority Critical patent/JPH0797306B2/en
Publication of JPS6461815A publication Critical patent/JPS6461815A/en
Publication of JPH0797306B2 publication Critical patent/JPH0797306B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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.
JP21789287A 1987-09-02 1987-09-02 Coordinate input device Expired - Fee Related JPH0797306B2 (en)

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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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