Digitally activated coin control circuit

Details Digitally activated coin control circuit Digitally activated coin control circuit

H - Electricity

04

Q

344/1.91

H04Q 1/30 (2006.01) H04M 17/02 (2006.01)

Patent

CA 1141847

TITLE A DIGITALLY ACTIVATED COIN CONTROL CIRCUIT ABSTRACT OF THE INVENTION A digitally activated coin control circuit for use in combination with a digitally activated ringing circuit for common manipulation of a prepaid coin station by a central processing unit of a tele- phone switching center to collect and alternatively to refund deposited coins.

360646

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