Data entry and display control circuit

Details Data entry and display control circuit Data entry and display control circuit

H - Electricity

04

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379/3

H04M 11/00 (2006.01) G06F 3/023 (2006.01) H04M 1/247 (2006.01) H04M 1/2745 (2006.01) H04M 3/42 (2006.01) H04M 9/00 (2006.01)

Patent

CA 1233578

DATA ENTRY AND DISPLAY CONTROL CIRCUIT ABSTRACT OF THE DISCLOSURE A data entry and display control circuit for use in a telephone having a keypad and a plurality of features and pushbuttons. Each button can be programmed to execute one of the features. The telephone also includes a micro- processor and visual and audible prompting devices. These devices are operated by the microprocessor in re- sponse to prolonged operation of a selected pushbutton. Keypad initiated programming signals are then provided to both identify the feature to be assigned to the selected pushbutton and to control display functions. The microprocessor subsequently causes the assigned feature to be performed in response to momentary oper- ation of the selected pushbutton. It also causes the cursor to move in response to the display function control signals.

481684

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