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Title:
COORDINATE INPUT DEVICE
Document Type and Number:
Japanese Patent JPS60245026
Kind Code:
A
Abstract:

PURPOSE: To unite a light pen and a stylus pen together and to facilitate operator's operation by providing a photodetection part and a coil on the top of a pen type holder and also providing a switch which is turned on when the tip part is pressed.

CONSTITUTION: The photodetection part and switch similar to the light pen are provided at the top of an input pen 7 for a CRT display device, and the electromagnetic induction coil and switch (common to said switch) similar to the stylus pen are provided for a digitizer. Said switch is turned on when the input pen 7 is pressed against the CRT display device 2 or electromagnetic induction type tablet (digitizer) 5. The input pne 7 operates as the light pen on the CRT display device 2 and as the stylus pen on the digitizer 5, so there is no need to change the pens and there is an advantage in facilitating operator's operation.


Inventors:
KANAO ICHIROU
Application Number:
JP10095484A
Publication Date:
December 04, 1985
Filing Date:
May 18, 1984
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G06F3/033; G06F3/03; G06F3/041; G06F3/048; G06K11/06; (IPC1-7): G06F3/03; G06K11/06



 
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