Title:
PROGRAM VARIABLE ELECTRONIC DEVICE
Document Type and Number:
Japanese Patent JP3533005
Kind Code:
B2
Abstract:
PURPOSE: To easily vary a program by deciding whether a correction program is identical with the residence or non-residence data to carry out the correction program when the resistance data are decided and to write the correction program in an area where the residence data are recorded when the non-residence data are decided respectively.
CONSTITUTION: A CPU 7 reads the correction software, the correction information, etc., (residence data) necessary for execution of the correction software in a reset start mode out of an EEPROM 8 and writes these data in its ROM. Then the CPU 7 decides the corresponding correction software based on the address information and the correction software adding position information. A call means decides the presence or absence of the correction software to be carried out. If such software is available, it is carried out. When the correction software (non-residence data) that has no problem despite its a low execution speed is carried out, the correction software is read out of the EEPROM 8 and written in the ROM of the CPU 7. Then the correction software is carried out.
Inventors:
Numako, Norio
Application Number:
JP10047995A
Publication Date:
May 31, 2004
Filing Date:
March 31, 1995
Export Citation:
Assignee:
ASAHI OPTICAL CO LTD
International Classes:
G03B7/00; G06F9/06; G06F11/00; G06F15/04; (IPC1-7): G06F11/00
Attorney, Agent or Firm:
増田 達哉 （外１名）
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