German Utility Patent 1,279,693 (DE1279693B)

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Provided by the ASK Keyboard Patents database

A patent diagram of IBM's improvements relating to typewriter keyboards from a top-down perspective,A patent diagram of IBM's improvements relating to typewriter keyboards from a front perspective

A patent diagram of IBM's improvements relating to typewriter keyboards from a top-down perspective whilst being used

Applied 28th September 1963

Published 10th October 1968

More informaion

Name	Standard keyboard divided into two mirror-image fields for controlling the drive of functional devices on typewriters and similar machines
Inventors	Jim Ladue, Werner Seydel
Assignees	IBM Deutschland
Description	An invention of a keyboard that is split into two parts and mirrored in shape, with the keys placed in columns angled from each other to allow the user to position their arms and hands at more natural positions and rotation. It was intended for typewriters or similar machines. Whilst IBM never brought this exact product to market, this patent will be cited by well-known ergonomic keyboard companies such as Kinesis and Maltron (Lillian Malt).

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