Data input system with pointing device

Details Data input system with pointing device Data input system with pointing device

1985-09-25

1988-09-27

Heckler, Thomas M.

Boots, shoes, and leggings

G06F 3033

Patent

active

047746890

ABSTRACT:
According to a data input system with a pointing device, a keyboard device is provided with a pointing device interface and a key code generator. The keyboard device incorporates a microprocessor for generating a key code corresponding to a depressed key. The key code generator assigns data input through the pointing device interface to a nondefined key code. The data from the pointing device having been assigned a nondefined key code, is supplied as a key code from the keyboard device to a keyboard interface in a data processing device. The data processing device checks a specific bit of the data supplied thereto and determines that the received data is data originally supplied from the pointing device.

REFERENCES:
patent: 3887903 (1975-06-01), Martell

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