Title:
PUBLIC TELEPHONE SYSTEM
Document Type and Number:
Japanese Patent JPS533103
Kind Code:
A
Abstract:
PURPOSE: To supply the data processing unit driving power source to a public telephone set as well as to charge for the power rate.
Inventors:
YAMAGUCHI ISAO
Application Number:
JP7723376A
Publication Date:
January 12, 1978
Filing Date:
June 30, 1976
Export Citation:
Assignee:
CANON KK
International Classes:
H04M11/06; H04M11/00; H04M17/00; H04M19/08; H04N1/34; (IPC1-7): H04M11/00; H04M17/00
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