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RECORDING DEVICE OF STUDENT LEARNING PROCESS

  • US 3,633,289 A
  • Filed: 11/12/1969
  • Issued: 01/11/1972
  • Est. Priority Date: 11/12/1969
  • Status: Expired due to Term
First Claim
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1. For use with a teaching device, recording apparatus comprising a movable member, means for moving said member discrete steps in forward and reverse directions and adapted to be activated by electrical signals from the teaching device, means for attaching record material to said member, and means for marking the record material with a high-voltage electrical charge whereby the record material is marked when said member is moved to a specified position as determined by the teaching device.

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