×

Electronic word game machine

  • US 4,891,775 A
  • Filed: 05/27/1988
  • Issued: 01/02/1990
  • Est. Priority Date: 05/27/1988
  • Status: Expired due to Term
First Claim
Patent Images

1. A word selection device for use in a word game machine having a memory containing a word list arranged in a tree format and a tree search control module to compare an input word against the tree memory to provide a valid output word, the word selection device comprising:

  • input means to provide a word size command;

    a first random number generator responsive to said word size command to provide a random number for each letter position commanded by said word size command; and

    a predetermined letter table having a set of letters in a predetermined relative frequency;

    said letter table being responsive to the output of said first random number generator to provide a selected letter sequence having a size Q equal to the word size command;

    said three search control module responsive to said selected letter sequence to continue the search through words in the tree adjacent to said selected letter sequence to provide, as a valid output word, an Nth valid word having the size Q.

View all claims
  • 10 Assignments
Timeline View
Assignment View
    ×
    ×