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Patent Searching and Data


Title:
CONTROL METHOD OF AUTOMATIC DRAWING MACHINE
Document Type and Number:
Japanese Patent JPS5480620
Kind Code:
A
Abstract:

PURPOSE: To reduce the number of steps, by moving up or down the drawing pen through the comparison of the stored amount of pulses of computer with the remaining pulses by use with the pulse distribution resistor, when the drawing data is inputted to the control computer and the automatic drawing machine is operated via interface.

CONSTITUTION: After the application of the character line drawing start reference to the control computer, the movement reference such as circle and arc is fed, and the distance of movement is calculated and the mode register MR is set to the character line pen down mode. Next, the pen down reference is made to the drawing machine via the interface, and the interrupt of a given period is permitted by applying the movement reference to the interface and the step is returned to the next input data processing. Further, when this interruption is taken place, the register MR judges whether drawing is made at present or not, and if under drawing, the processing is stopped and if not, the process is continued.


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JPS59146334PLOTTER
Inventors:
SHIBUYA KOUJI
Application Number:
JP1977000148351
Publication Date:
June 27, 1979
Filing Date:
December 10, 1977
Export Citation:
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Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
G06F3/13; B43L1/00; B43L13/00; G01D15/04; (IPC1-7): B43L1/00; G01D15/04; G06K15/18