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Hands-free, user-supported portable computer

  • US 5,305,244 A
  • Filed: 04/06/1992
  • Issued: 04/19/1994
  • Est. Priority Date: 04/06/1992
  • Status: Expired due to Term
First Claim
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1. A compact, self-contained portable computing apparatus for being completely supported by a user for hand-free retrieval and display of information for the user comprising:

  • a housing having securing means for removably mounting the housing on a user for being carried without hands by the user;

    storage means mounted in the housing for storing previously entered information including an electronic technical manual and a preprogrammed vocabularly model of a plurality of words and phrases;

    processor means mounted in the housing and communicating with the storage means for receiving, retrieving and processing information and user commands in accordance with a stored program;

    audio transducer and converter means in communication with the processor means for receiving audio commands from the user, for converting the received audio commands into electrical signals, and for sending the converted electrical signals to the processor means, the audio transducer and converter means being supported hands-free by the user;

    said processor means including means for recognizing a command in the converted electrical signals and responding to the recognized command by retrieving and outputting corresponding information from the electronic technical manual stored in the storage means;

    said recognizing means including means for defining a subset of the plurality of words and phrases in the preprogrammed vocabulary model according to a current context of the stored program and for matching the converted electrical signals against the defined subset to recognize the command;

    computer display means in communication with the processor means for receiving the outputted information from the processor means and for displaying the received information for the user; and

    means for mounting the computer display means on the user such that the computer display means is carried hands-free in a portion of the view of the user whereby the computing apparatus is capable of being operated to display the received information in a hands-free manner utilizing only the audio commands.

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