Title:
IN-USE AND AUXILIARY SWITCHING SYSTEM FOR MONITOR CONTROL CHANNEL
Document Type and Number:
Japanese Patent JPS53128212
Kind Code:
A
Abstract:
PURPOSE: To simplify the constitution as well as to ensure use of various kinds of service signals for the heterodyne relaying system, by switching the monitor control channel of the repeater station coupling to the main channel switching between terminal stations.
Inventors:
ASOU TAKEO
HARA MASANOBU
HARA MASANOBU
Application Number:
JP4270977A
Publication Date:
November 09, 1978
Filing Date:
April 15, 1977
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
H04B1/74; H04B7/15; H04B17/40; (IPC1-7): H04B17/00; H04B17/02