Data communication system through personal computers and termina

Details Data communication system through personal computers and termina Data communication system through personal computers and termina

1995-01-25

1998-04-07

Sheikh, Ayaz R.

395750, G06F 1300

Patent

active

057375402

ABSTRACT:
In a data communication system, a plurality of personal computers are connected through respective terminal adapters to a telephone line. Each terminal adapter includes a communication control section, a storage section and a network control unit (NCU). The communication control section includes a central processing unit (CPU), a read only memory (ROM) and a modulator-demodulator or modem. The terminal adapter has a power supply independent of a power supply of the personal computer so that power can be applied to the terminal adapter even when the personal computer is not connected to the power supply. The terminal adapter can automatically receive a mail regardless of the status of the personal computer. The received mail is stored in the storage section of the terminal adapter. When a recipient reads the received mail, the personal computer is started up and a key board connected to the personal computer is operated in accordance with a menu. In transmission of a mail, the key board is operated in accordance with a menu so that a desired addressee is automatically called and the mail is automatically transmitted to the addressee.

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