A kind of mahjong machine signal acquisition circuit

A kind of mahjong machine signal acquisition circuit

  • CN 204,331,392 U
  • Filed: 01/20/2015
  • Issued: 05/13/2015
  • Est. Priority Date: 01/20/2015
  • Status: Active Grant
First Claim
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1. a mahjong machine signal acquisition circuit, it is characterized in that:

  • comprise single-chip microcomputer (1), four groups of on/off mechanisms (2), east sensor (3), south sensor (4), west sensor (5) and northern sensor (6), described east sensor (3), south sensor (4), west sensor (5) and northern sensor (6) all have the signal port of multiple difference in functionality, described east sensor (3), south sensor (4), the external circuit of the signal port of west sensor (5) and the upper identical function of northern sensor (6) is connected to the upper corresponding I/O mouth of single-chip microcomputer (1), described four groups of on/off mechanisms (2) connect single-chip microcomputer (1) respectively, the east sensor (3) connected to correspondence is connected separately in the timesharing of four groups of on/off mechanisms (2), south sensor (4), west sensor (5) or northern sensor (6) power supply.

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