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Information storage and reproduction system

  • US RE31,239 E
  • Filed: 08/20/1979
  • Issued: 05/10/1983
  • Est. Priority Date: 02/26/1964
  • Status: Expired due to Term
First Claim
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1. An information storage and retrieval system comprising:

  • (a) a master information storage station having means carrying recorded information,(b) signal input and output means for two-way communication with said master information storage station,(c) reading means for scanning said recorded information and converting same to electrical signals, and means for generating said electrical signals on said output means of said master information storage station,(d) first control means operative to cause said reading means to read selected information recorded on said information carrying means of said storage station,(e) a plurality of monitor stations each having a visual display means for displaying information,(f) an erasable signal recording means associated with the means displaying information at each monitor station for electrically energizing said display means to generate and retain a pictorial presentation of the information transmitted from said master information storage station,(g) a plurality of communication channels for signal communication between said monitor station and said master information storage station,(h) a plurality of second control means including at least one associated with each monitor station for selectively effecting a communication link between the associated monitor station and said master information storage station through one of said communication channels so as to establish two-way communication between the monitor station and said master information storage station,(i) third control means at each monitor station for selectively controlling said first control means to cause said reading means to read selected information from the means carrying recorded information and to effect the transmission of selected information signals from said master information storage station to the monitor station from which said selective control is effected, and(j) means at the monitor station for receiving the information signals transmitted thereto from the master information storage station and applying said signals to the erasable recording means of the monitor station to permit the information to be displayed by said display means.

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