DocumentCode
1374426
Title
Principles of tape-to-card conversion in the AMA system
Author
Groth, Willard B.
Author_Institution
Bell Telephone Laboratories, Inc., New York, N. Y.
Volume
72
Issue
1
fYear
1953
fDate
3/1/1953 12:00:00 AM
Firstpage
42
Lastpage
52
Abstract
BILLING data for customer-dialed local and toll telephone messages are now recorded and processed by means of the automatic message accounting (AMA) system in the areas of seven principal cities in the Bell System network.
Keywords
Business; Central office; Computers; Registers; Relays; Sorting; Standards;
fLanguage
English
Journal_Title
American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the
Publisher
ieee
ISSN
0097-2452
Type
jour
DOI
10.1109/TCE.1953.6371971
Filename
6371971
Link To Document