NDLI: Machine Switching Telephone System for Large Metropolitan Areas

Content Provider	IEEE Xplore Digital Library
Author	Craft, E. B. Morehouse, L. F. Charlesworth, H. P.
Copyright Year	1884
Abstract	From the earliest forms of telephone switchboards to the modern types, the development of the switchboard has been marked by the increasing use of automatic methods to supplement the manual operation wherever this would result in better service to the public or more efficient operation. In addition to all that has been done in developing and introducing automatic operations with manual switchboards, it has been found desirable and practicable to go further in the direction of introducin automatic operation in the telephone plant and a machine switching system has been developed in which the bulk of the connections are established without the aid of an operator. The complexity of a large metropolitan area and the exacting requirements which a machine switching system must meet are outlined briefly, and the system which has been developed to meet these requirements is described. The application of the system to a typical large metropolitan area and the means provided for permitting its gradual introduction into the existing plant are discussed.
Starting Page	187
Ending Page	204
Page Count	18
File Size	14877334
File Format	PDF
ISSN	00963860
Volume Number	XLII
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1923-01-01
Publisher Place	New York, U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Telephony Urban areas Wires Manuals Switching systems Communication cables Cities and towns Central office Magnetic heads
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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