Patent
1982-01-29
1984-07-10
Schreyer, Stafford D.
179 81R, H04M 1508, H04M 1530, H04M 1538
Patent
active
044594321
ABSTRACT:
A telephone charge integrating and displaying device adapted for carrying out a new simplified charge system for telephone calls wherein all telephone charges are classified into, for example, only four block areas, (1) a local telephone call area, (2) a long distace telephone call area, (3) an international telephone call area reached by ordinary means, and (4) a telephone call area reached by space satellite or the like. The device is installed at each subscriber's telephone and the integrating operation, which is started when the handset is hooked off and is stopped when it is hooked on, is switched to a predetermined integration rate simply by dialing predetermined codes specified in accordance with each bloc area mentioned above.
REFERENCES:
patent: 4041291 (1977-08-01), Pauda
patent: 4264956 (1981-04-01), Delaney
patent: 4356352 (1982-10-01), Hilliges
Hashimoto Corporation Kabushiki Kaisha
Schreyer Stafford D.
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