Public telephone system

Details Public telephone system Public telephone system

1994-04-26

1995-09-05

Chin, Stephen

Telephonic communications

With usage measurement

Call charge metering or monitoring

379143, 379155, H04M 1500, H04M 1700

Patent

active

054486289

ABSTRACT:
A public telephone system includes a plurality of public telephone sets and a center apparatus. Each public telephone set includes a memory for storing a current tariff table used in the speech communication service and a revised tariff table including the tariff information from the center apparatus, a first timepiece unit for setting the time information from the center apparatus to perform a time counting operation, a first data memory for storing the change time information from the center apparatus, a determining unit for determining whether a current time counted by the first timepiece unit reaches a change time stored in the first data memory at a time of call originating, and a tariff processing unit for referring to the current tariff table in the memory to perform the tariff processing when the current time does not reach the change time and referring the revised tariff table in the memory as the current tariff table to perform the tariff processing when the current time reaches the change time on the basis of an output from the determining unit.

REFERENCES:
patent: 5222122 (1993-06-01), Hamilton et al.

Affiliated with

Also associated with

Rating

Public telephone system does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Public telephone system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Public telephone system will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-479376