DocumentCode
1465343
Title
Electronic facilities control
Author
De Mattteis, J. J.
Author_Institution
International Business Machine Corporation, New York, N. Y.
Volume
74
Issue
8
fYear
1955
Firstpage
650
Lastpage
654
Abstract
A central control system is described which follows preset programs and automatically switches on or off up to 40 groups of remote operations—each on its own time schedule. Utilizing carrier current signals, it operates over existing electric circuits and does not require the installation of any transmission wiring.
Keywords
Decoding; Logic gates; Magnetic circuits; Receivers; Relays; Research and development;
fLanguage
English
Journal_Title
Electrical Engineering
Publisher
ieee
ISSN
0095-9197
Type
jour
DOI
10.1109/EE.1955.6439500
Filename
6439500
Link To Document