Method and system for interfacing a computer processor with a ca

Details Method and system for interfacing a computer processor with a ca Method and system for interfacing a computer processor with a ca

1993-03-01

1995-05-02

Malzahn, David H.

Boots, shoes, and leggings

3647091, G06F 302

Patent

active

054125863

ABSTRACT:
A system is provided for interfacing a calculator type keyboard with an external computer processor so that key depressions on the calculator type keyboard will communicate and be processed by the external computer processor. In addition, a system is provided in which a calculator keyboard and a calculator processor are disconnected and separately operated by an external computer processor. The calculator keyboard and the calculator processor are separated by a calculator keyboard/PC redirect circuit so that all keystrokes on the keyboard of the calculator are diverted to the external computer processor for processing. Thereby, number processing similar to word processing can be performed by the external computer processor with accurate and fast input performed on the calculator keyboard.

REFERENCES:
patent: 4894522 (1990-01-01), Elliott
patent: 4964075 (1990-10-01), Shaver et al.
patent: 5251163 (1993-10-01), Rouhani
patent: 5278958 (1994-01-01), Dewa

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