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Ergonomic keyboard

  • US 4,824,268 A
  • Filed: 08/27/1987
  • Issued: 04/25/1989
  • Est. Priority Date: 08/27/1987
  • Status: Expired due to Fees
First Claim
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1. A keyboard for the transmission of information and instructions comprising:

  • a plurality of keys irregularly arranged according to the shape of the hands in such a manner that when the bent non-thumb fingers of both hands are placed on the keyboard, each of eight home keys are located under the tip of each of the non-thumb fingers;

    a plurality of keys arranged in such a manner that when the non-thumb fingers are extended from their respective home keys, each of four top center keys on each keyboard half is located under the tip of each of the non-thumb fingers;

    a plurality of keys arranged in such a manner that when the non-thumb fingers are bent toward their respective wrists from their respective home keys, each of four bottom center keys on each key board half is located under the tip of each of the non-thumb fingers;

    a plurality of keys arranged in such a manner that when each index finger is moved from its respective home key and toward the center of the keyboard, an inner center key is located under the tip of each index finger;

    a plurality of keys arranged in such a manner that when each index finger is moved away from its home key at an angle between each respective inner center key and each respective top center key operated by the respective index finger, an inner top key is located under the tip of each index finger;

    a plurality of keys arranged in such a manner that when each index finger is moved away from its home key at an angle between each respective inner center key and each respective bottom center key operated by the respective index finger, an inner bottom key is located under the tip of each index finger;

    a plurality of keys arranged in such a manner that when each little finger is moved away from its home key and toward the outside of the keyboard at an upward angle, an outer center key is located under the tip of each little finger;

    a plurality of keys arranged in such a manner that when each little finger is moved away from its home key at an angle between each respective outer center key and each respective top center key operated by each respective little finger, an outer top key is located under the tip of each little finger;

    a plurality of keys arranged in such a manner that when each little finger is moved away from its home key at an angle between each respective outer center key and each respective bottom center key operated by each respective little finger, an outer bottom key is located under the tip of each little finger;

    a plurality of keys for operation by the index fingers and located further away from the home key of each respective index finger than the respective top center key operated by the respective index finger;

    a plurality of keys arranged in such a manner that when the non-thumb fingers rest on their respective home keys, the outer phalange of each thumb rest on its respective thumb home key;

    a plurality of keys for operation by each thumb and arranged together with each thumb home key on an irregular home key curve on each half of the keyboard;

    a plurality of keys for operation by each thumb and irregularly arranged farther away from the operator and outside each thumb home key curve; and

    a plurality of keys for operation by each thumb and irregularly arranged closer to the operator and inside each thumb home key curve.

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