Chargeable program receiving limit setting system in two-way cab

Details Chargeable program receiving limit setting system in two-way cab Chargeable program receiving limit setting system in two-way cab

1989-06-27

1990-10-02

Ng, Jin F.

Facsimile and static presentation processing

Static presentation processing

Attribute control

380 20, 455 2, 455 4, 358 86, H04N 710, H04N 716

Patent

active

049611097

ABSTRACT:
A CATV television system in which a subscriber can only charge a maximum number of events before the central facility polls the subscriber's terminal unit for charged events. The subscriber's terminal contains a credit limit register which contains the maximum number of chargeable events. The central facility can change the individual subscriber's credit limit register, dependent on credit worthiness, by a command sent over the CATV lines.

REFERENCES:
patent: 3185537 (1965-05-01), Court et al.
patent: 4145717 (1979-03-01), Gulf et al.
patent: 4484217 (1984-11-01), Block et al.
patent: 4528589 (1985-07-01), Block et al.
patent: 4536791 (1985-08-01), Campbell et al.
patent: 4712238 (1987-12-01), Gilhousen et al.
patent: 4740835 (1988-04-01), Nishibori et al.

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