Teaching and amusement device

Teaching and amusement device

  • CN 88,101,193 A
  • Filed: 02/05/1988
  • Published: 09/07/1988
  • Est. Priority Date: 02/06/1987
  • Status: Abandoned Application
First Claim
Patent Images

1. , a kind of hand-held detector, be used between a suprabasil printed information district, recognizing, comprise a sensor head, this sensor head is suitable for being placed on this suprabasil printed information and can provides one and depends on that the top placed the indication of the part printed information character of sensor head, thereby just can make the user distinguish each printed information district by the differentiable character of non-visible mode according at least a of it, the structure of this detector is suitable for having two kinds of modes of operation, one is manner, available probes is distinguished suprabasil each Printing Zone in this manner, another is a programming mode, and available probes provides the one group of instruction that will operate under manner in this manner.

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