Devices for delivering information on their communications to su

Details Devices for delivering information on their communications to su Devices for delivering information on their communications to su

1987-12-04

1989-04-25

Schreyer, Stafford D.

Telephonic communications

With usage measurement

Call charge metering or monitoring

H04M 156, H04M 1508

Patent

active

048254622

ABSTRACT:
The invention relates to a device for providing the subscriber of a telephone line with information on the telephone calls made on his line. This device, connected to said line, beyond the general connection terminal of the corresponding station, comprises means for detecting and recording durably the numbers called corresponding to the calls successively made in the course of a predetermined period from the station as well as the costs of these calls, and means for displaying on a video screen of the Minitel type, the sequence of these numbers and costs in response to pressing the keys of a key board.

REFERENCES:
patent: 4585904 (1986-04-01), Minicone et al.

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