Power supply phase detection and synchronization device in intelligent camera system

Power supply phase detection and synchronization device in intelligent camera system

CN
  • CN 201,434,955 Y
  • Filed: 06/26/2009
  • Issued: 03/31/2010
  • Est. Priority Date: 06/26/2009
  • Status: Active Grant
First Claim
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1. , the power phase in a kind of intelligent camera system detects and synchronous device, comprise AC power load module and the camera control signal load module that is connected with smart camera, it is characterized in that, also include power supply zero-crossing detection circuit module, frequency multiplier circuit module, phase-detection and signal output function module in the described device, described AC power load module is connected with described camera control signal load module by described power supply zero-crossing detection circuit module, frequency multiplier circuit module, phase-detection and signal output function module according to this.

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