Electronic order placement system using signals over telephone l

Details Electronic order placement system using signals over telephone l Electronic order placement system using signals over telephone l

1977-06-09

1978-08-15

Stellar, George G.

H04M 1100

Patent

active

041074670

ABSTRACT:
Punched cards, used to identify items to be ordered from a central location, are selected and placed in a card reader which is located at the subscriber. Information may also be entered manually by a keyboard. In either case, the information is encoded into tone signals which are transmitted to the central location for recording and verification. When an "accept" tone signal is returned to the subscriber, indicating that the previously transmitted block of data has been received and found to be acceptable, a card feed signal actuates the card reader to feed the next card. If a "reject" tone is returned, indicating that the data received was unacceptable, the operator may enter data manually via the keyboard, re-run the card that had not been accepted, or simply skip the rejected card. The system is compatible with existing telephone communication equipment.

REFERENCES:
patent: 3359369 (1967-12-01), Di Iorio et al.
patent: 3549809 (1970-12-01), Stehr

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