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Response expression apparatus for teaching machines

  • US 3,382,588 A
  • Filed: 01/11/1965
  • Issued: 05/14/1968
  • Est. Priority Date: 01/11/1965
  • Status: Expired due to Term
First Claim
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7. APPARATUS FOR INDICATING THE RESPONSE OF AN OBSERVER TO AN INTELLIGIBLE VISUAL REPRESENTATION A PART OF WHICH IS TO BE IDENTIFIED INCLUDING IN COMBINATION, A SCREEN HAVING A VIEWING SURFACE, MEANS FOR PROJECTING A VISIBLE IMAGE OF SAID REPRESENTATION THROUGH SAID SCREEN TO THE VIEWING SURFACE THEREOF FROM A SIDE THEREON REMOTE SAID VIEWING SURFACE, A PLURALITY OF LIGHT TRANSMITTING PROXIMITY RESPONSIVE DEVICES ADAPTED TO BE ACTUATED BY SAID OBSERVER, AND MEANS MOUNTING SAID DEVICES ADJACENT THE REMOTE SIDE OF SAID SCREEN AT LOCATIONS REGISTERING WITH DISCRETE RESPECTIVE AREAS OF SAID IMAGE IN THE FIELD OF VIEW OF SAID

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