Portable terminal device

Details Portable terminal device Portable terminal device

1982-03-31

1985-04-16

Smith, Jerry

Boots, shoes, and leggings

364900, 235379, G06F 1530

Patent

active

045119708

ABSTRACT:
A portable terminal device is adapted to effect transaction operation by transmitting and receiving data to and from a central unit. When transaction data is entered, the transactions including the current transaction are accumulated, and when the accumulated transaction exceeds a predetermined limit determined by a preset transaction limiting data, the transaction based on the input data is inhibited.

REFERENCES:
patent: 3611293 (1971-10-01), Constable et al.
patent: 3761682 (1973-09-01), Barnes et al.
patent: 3778595 (1973-12-01), Hatanaka et al.
patent: 4053735 (1977-10-01), Foudos
patent: 4115870 (1978-09-01), Lowell
patent: 4277837 (1981-07-01), Stuckert

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