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Patent Searching and Data


Title:
CONTROL SYSTEM
Document Type and Number:
Japanese Patent JPH06314214
Kind Code:
A
Abstract:

PURPOSE: To provide a control system which can correct a bug after manufacture even if a non-volatile memory is not incorporated in a product at the time of manufacture.

CONSTITUTION: A one chip microcomputer 1 including ROM 101 storing a program for controlling the system, a rewrite mean 104 which artificially rewrites the program stored in ROM 101 and an I/O port 103 transferring a signal with an external part, an external element 2 which is connected to the I/O port 103 for executing communication with the one chip microcomputer 1, a connection means 3 which is provided on a signal line connecting the one chip microcomputer 1 and the external element 2 and which can connect the storage element 4 storing data for transmitting it to the rewrite means 104 are provided.


Inventors:
MIYAZAWA AZUMA
FUJIBAYASHI KENJI
SAITO YUICHI
ITO JUNICHI
OKUMURA YOICHIRO
HARA NOBORU
IMAI YUJI
KOBAYASHI KAZUTADA
KAWAMURA SHOJI
Application Number:
JP10429493A
Publication Date:
November 08, 1994
Filing Date:
April 30, 1993
Export Citation:
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Assignee:
OLYMPUS OPTICAL CO
International Classes:
G06F11/28; G06F9/06; G06F11/00; G06F15/78; (IPC1-7): G06F11/28; G06F9/06; G06F11/28; G06F15/78
Attorney, Agent or Firm:
Takehiko Suzue