Data entry and display control circuit

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

1984-11-13

1986-04-29

Dwyer, James L.

179 81R, 179 90D, 179 99LS, H04M 126

Patent

active

045859086

ABSTRACT:
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 microprocessor and visual and audible prompting devices. These devices are operated by the microprocessor in response 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 operation of the selected pushbutton. It also causes the cursor to move in response to the display function control signals.

REFERENCES:
patent: 4223183 (1980-09-01), Peters, Jr.
patent: 4440977 (1984-04-01), Pao et al.
patent: 4453040 (1984-06-01), Wolf et al.
patent: 4453042 (1984-06-01), Wolf et al.
patent: 4536620 (1985-08-01), Wagner et al.
G. A. Abbink, "Bridging the Worlds of the Deaf and Hearing", Telephony May 24, 1982, p. 76.

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