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Keyboard to prevent erroneous simultaneous activation of keys

  • US 4,859,100 A
  • Filed: 01/04/1988
  • Issued: 08/22/1989
  • Est. Priority Date: 07/09/1984
  • Status: Expired due to Term
First Claim
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1. A keyboard comprising;

  • a plurality of keys each of which is able to be depressed from an upper resting position to a lower operational position for executing a selected operation, anda partition extending between adjacent ones of at least some of keys for preventing two or more of said adjacent keys from being simultaneously and inadvertently depressed to their respective operational positions, said partition being dimensioned so that the top of each said adjacent key is positioned above the top of said partition when each said adjacent key is not depressed from its respective resting position and below the top of said partition when each said adjacent key is depressed to its respective operational position.

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