Location identification

Details Location identification Location identification

1989-02-02

1990-07-17

Ng, Jin F.

Telephonic communications

Telephone line or system combined with diverse electrical...

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

379 97, 379100, 379207, 379246, 358407, 358440, H04M 1100, H04M 342

Patent

active

049425994

ABSTRACT:
An improved data transmission system which transmits data at least partially over existing telephone lines, the improvement comprising devices which, in addition to transmitting and receiving data and being actuated by a non-telephone signal, automatically complete a telephone communication with a predetermined computer. Once the device is connected to the computer, it receives information such as a particular telephone number which is used in the reception and/or transmission of data. The received information is preferably peculiar to the location of the device and can be used to appropriately program the device for carrying out a function in a manner specific to its location. The information specific to the location is determined in accordance with the telephone number of the telephone line connecting the device to the telephone system as the computer has the capability of Calling Number Identification.

REFERENCES:
patent: 4649563 (1987-03-01), Riskin
patent: 4757267 (1988-07-01), Riskin
G. A. Raack et al., "Customer Control of Network Services", IEEE Communications Magazine, Oct. 1984, vol. 22, No. 10, pp. 8-14.

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