Title:
CONTROLLING SYSTEM OF COIN-OPERATED TELEPHONE SET
Document Type and Number:
Japanese Patent JPS5295106
Kind Code:
A
Abstract:
PURPOSE: To make it possible to change fee collecting system at once when the rate is revised, by changing simply only wirings of apparatus fitted at the exchange.
Inventors:
OTOICHI YUKIO
FUJISHITA YOSHIO
FUJISHITA YOSHIO
Application Number:
JP1246676A
Publication Date:
August 10, 1977
Filing Date:
February 06, 1976
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
H04M17/00; (IPC1-7): H04M17/00