Portable data terminal

Boots – shoes – and leggings

Patent

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Details

3649181, 364927, 364928, 3649339, G06F 1530

Patent

active

049051865

ABSTRACT:
A portable data terminal unit includes a data RAM for storing transaction data, and an acoustic coupler for transmitting the data stored in the data RAM to a computer installed in a business office. The portable data terminal unit has a battery for power supply purposes. The acoustic coupler is connected to the battery at a desired time for data transmission purposes. The data RAM is continuously connected to the battery for maintaining the transaction data stored in the data RAM. The present portable data terminal unit is suited for money collecting operations related to the insurance business and the installment savings business.

REFERENCES:
patent: 4277837 (1981-07-01), Stuckert
patent: 4319336 (1982-03-01), Anderson et al.
patent: 4433387 (1984-02-01), Dyer et al.
patent: 4509138 (1985-04-01), Hayashi et al.
Williams et al., "The Panasonic and Quasar Hand-Held Computers", Jan. 1981, pp. 34-45, Byte Publications, Inc.

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