Intelligent keypad overlay for portable personal computers

Details Intelligent keypad overlay for portable personal computers Intelligent keypad overlay for portable personal computers

1994-08-09

1996-01-23

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

345172, G09G 500

Patent

active

054868467

ABSTRACT:
A method and apparatus for an improved user interface for indicating a current keyboard operating mode for a computer having a small keyboard with multi-function keys. An iconic indicator is displayed for indicating a current mode of operation of the keyboard which allows a user to easily determine an expected response from keys actuated in a particular keyboard mode.

REFERENCES:
patent: 4005388 (1977-01-01), Morley et al.
patent: 4245308 (1981-01-01), Hirschman et al.
patent: 4575591 (1986-03-01), Lugaresi
patent: 5041819 (1991-08-01), Takeda
patent: 5088070 (1992-02-01), Shiff
patent: 5109228 (1992-04-01), Banasjak

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