Title:
TRANSMISSION REQUEST DETECTING SYSTEM
Document Type and Number:
Japanese Patent JPS5440001
Kind Code:
A
Abstract:
PURPOSE: To secure an easy and high-efficiency detection for the transmission request given from plural units of input/output devices by accepting the transmission request through the control unit for the input/output device which transmits the constant polarity signal from each input/output device for more than a fixed time.
Inventors:
YAMAGUCHI YASUO
KOJIMA HIROYUKI
KOJIMA HIROYUKI
Application Number:
JP10740877A
Publication Date:
March 28, 1979
Filing Date:
September 06, 1977
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
H04L29/08; G06F13/00; G06F13/14; (IPC1-7): G06F3/04; H04B1/00; H04L11/00; H04L13/00