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Locking system, playing machine, and device management system

  • US 20060103502A1
  • Filed: 08/22/2003
  • Published: 05/18/2006
  • Est. Priority Date: 08/26/2002
  • Status: Active Grant
First Claim
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1. A locking system comprising an IC tag for locking operation, an IC tag monitoring device that makes communication with the IC tag for locking operation, and a locking device that locks and unlocks a device based on a result of monitoring made by the IC tag monitoring device, wherein said IC tag for locking operation stores identification data that is used for distinguishing the IC tag from other IC tags, wherein said IC tag monitoring device includes first transmission means for transmitting a calling wave for calling said IC tag for locking operation, first reception means for receiving a reflected wave returned from said IC tag for locking operation, an antenna for key that is connected to said first transmission means and said first reception means, key determination means for determining as being normal if said first reception means receives a reflected wave containing identification data identical to registered data that is registered beforehand within a specified period of time since said first transmission means transmits a calling wave, and first output means for outputting the result of key determination made by the key determination means to the outside, and wherein said locking device comprises a key including said IC tag for locking operation and a lock that includes said antenna for key and into which said key is to be inserted.

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