Telephone apparatus capable of setting card unit therein

Details Telephone apparatus capable of setting card unit therein Telephone apparatus capable of setting card unit therein

1991-02-15

1992-08-11

Schreyer, Stafford D.

Telephonic communications

Multi-line or key substation system with selective switching...

With special service

379201, H04M 164, H04M 121

Patent

active

051386550

ABSTRACT:
A telephone apparatus includes an extension telephone for receiving data from a card, a timepiece unit, and a control unit for alarming a coincidence between time data included in the data received from the extension telephone and time data of the timepiece unit. The control unit performs a display on the basis of display data included in the data received by the extension telephone.

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