Method of confirming user in modem communications and its system

Details Method of confirming user in modem communications and its system Method of confirming user in modem communications and its system

1987-04-15

1989-05-16

Brigance, Gerald L.

Telephonic communications

Telephone line or system combined with diverse electrical...

Having transmission of a digital message signal over a...

H04M 1100

Patent

active

048316482

ABSTRACT:
The present invention offers a method and system for checking the legality of a user who is subscribed in a telephone system, for example. When a user wants to access an information system operated by the host computer of said telephone system, e.g., a data-base, the legality of the user, whether he is really a person who is registered in the host side, is checked in the host side before a line is established between the user and the host computer.
In detail, the host side modem first checks the user who is then checked by the host side modem and the processing unit of the host side computer. Thereafter, mutual communications, between the user and the computer, are allowed.
The system, based on the invention, comprises a host side modem connectable to the processing unit of the host computer, and a user side modem connectable to said host side modem. Said host side modem can check user while said processing unit being capable to check user through the interaction with the host side modem.

REFERENCES:
patent: 4430728 (1984-02-01), Beitel et al.
patent: 4520233 (1985-05-01), Smith
patent: 4531023 (1985-07-01), Levine
patent: 4626623 (1986-12-01), La Haye
patent: 4679226 (1987-07-01), Muehleisen
patent: 4685124 (1987-08-01), Smitt et al.
"Securing Dial-Up Networks", Jim Holmes, Telecommunications, Mar. 1984, pp. 84 and 124.
"Password Security Equipment", Glasgal Communications, Inc., Summer Catalog, 1985, pp. 68-72.
"ITT Security Modem", Telecommunications, Apr. 1986, p. 106.

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