Title:
PREFERENCE SYSTEM
Document Type and Number:
Japanese Patent JPS533707
Kind Code:
A
Abstract:
PURPOSE: In the sytem where two common units prefer one of plural acquired units, one lead is provided between two common units, and the busy information is given from one unit which is beforehand defined as the unit of a higher priority to the other unit, so that double connection can be prevented.
Inventors:
ENOKIDO SUSUMU
Application Number:
JP7810376A
Publication Date:
January 13, 1978
Filing Date:
June 30, 1976
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
H04Q3/64; H04Q3/00; (IPC1-7): H04Q3/68
Next Patent: JPH0533708