Patent ID: 6128372
Filing Date: 2000-10-03
Classification: G06F,H04M

Abstract:
An extension device capable of connecting to a digital telephone for providing functions of fast text input, data carrying, exchanging, storing and editing, comprising:an electric note card having a display unit for showing data and information and a full characters keyboard for data inputs, the electric note card being provided for receiving and recording information provided by the digital telephone, and uploading information to the digital telephone under commands from the telephone; anda data exchange unit, mounted between the digital telephone and the electric note card, for providing a communications path therebetween;wherein the data exchange unit comprises:a first communication IC controlled by the digital telephone for data communication;a second communication IC controlled by the electric note card for data communication; anda first and a second connectors for linking to each other, connecting respectively to the first and the second communication ICs, and therefore providing a communication path between the digital telephone and the electric note card.