Title:
COLOR DISPLAY DEVICE OF NUMERICAL CONTROL WORKING MACHINE
Document Type and Number:
Japanese Patent JPS61128304
Kind Code:
A
Abstract:
PURPOSE:To reduce the size of a circuit by erasing character working information and graphic working information written in only one group of three color memories, i.e. red, green and blue. CONSTITUTION:A working information deciding circuit 3 sends information to a character color information decoding circuit 71 and a character writing erasing circuit 61 when the information to be displayed is characters, and sends the information to a graphic color information decoding circuit 72 and a graphic writing erasing circuit 62. The circuit 61 erases the writing of the working information of character data having prescribed bit and byte length from three displaying color memories 8-10. On the other hand, the circuit 62 erases the working information of graphic data in each bit from the memories 8-10.
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Inventors:
FUKUDA TOSHIKATSU
HONDA AKIRA
HONDA AKIRA
Application Number:
JP24956984A
Publication Date:
June 16, 1986
Filing Date:
November 28, 1984
Export Citation:
Assignee:
HITACHI ELECTRONICS
AMADA METRECS CO
AMADA METRECS CO
International Classes:
G05B19/4063; G05B19/4069; (IPC1-7): G05B19/405
Attorney, Agent or Firm:
Akio Takahashi