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.
fDate :
3/1/1953 12:00:00 AM
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;
Journal_Title :
American Institute of Electrical Engineers, Part I: Communication and Electronics, Transactions of the
DOI :
10.1109/TCE.1953.6371971
