COIN-BOX TELEPHONE SYSTEM Russian patent published in 2005 - IPC

Abstract RU 2246795 C2

FIELD: communications engineering.

SUBSTANCE: proposed coin-box telephone system incorporating identification code card and coin-box telephone set has microcontroller, card receiving device with optical reader, keyboard, dialing unit, and service unit that has acoustic handset; optical reader transfers information in card code to microcontroller; coin-box telephone set is functionally coupled with central switching-and-accounting center incorporating card code identifying device and rates compiling means in the form of debit platform; card identification code keeps subscriber's settlement account only.

EFFECT: simplified design of coin-box telephone set, reduced requirements to identification card.

1 cl, 1 dwg

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RU 2 246 795 C2

Authors

Minochkin A.A.

Dates

2005-02-20—Published

2000-09-26—Filed