Title:
KEY PAT RECEIVING DEVICE
Document Type and Number:
Japanese Patent JPS62243020
Kind Code:
A
Abstract:
PURPOSE: To receive a key pat without using an exclusive CPU, by applying an output signal from a photoelectric conversion to a CPU which has a timer counter, and also, controls the whole system.
CONSTITUTION: A serial data which has been emitted from a key part 1 is converted to an electric signal by a photoelectric converting means 2. Subsequently, the converted electric signal controls the whole system, and also, supplied to an interruption request terminal of a main CPU 3 having a time counting timer counter 4. The data from the key pat 1 is processed thereby. In this way, the key part can be received without using an exclusive CPU for decoding a key pat data, which has been used up to the present.
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Inventors:
SHIBATA KUNIO
Application Number:
JP8773886A
Publication Date:
October 23, 1987
Filing Date:
April 16, 1986
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
G06F3/02; (IPC1-7): G06F3/02
Attorney, Agent or Firm:
Masuo Oiwa
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