Title:
SLEEP MODE CONTROLLING SYSTEM FOR CPU OF PORTABLE INFORMATION PROCESSOR
Document Type and Number:
Japanese Patent JPH0659787
Kind Code:
A
Abstract:
PURPOSE: To provide a portable information processor capable of saving electric power by turning a CPU into a sleep mode just after the finish of key input, and preventing it from getting out of the sleep mode as long as the key input is not executed.
CONSTITUTION: This sleep mode controlling system is constituted of a keyboard 1 for inputting data, a storage part 2 to store the inputted data, and a key input detecting part 4 to generate an interruption signal to the CPU 5 and so on.
Inventors:
SASAKI TAKANORI
ITOU TOSHIROU
ITOU TOSHIROU
Application Number:
JP23531392A
Publication Date:
March 04, 1994
Filing Date:
August 11, 1992
Export Citation:
Assignee:
HEIWA TOKEI SEISAKUSHO KK
International Classes:
G06F1/32; (IPC1-7): G06F1/32
Next Patent: PORTABLE COMPUTER