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Information processing apparatus and data communication method

  • US 7,551,704 B2
  • Filed: 09/11/2007
  • Issued: 06/23/2009
  • Est. Priority Date: 12/25/2000
  • Status: Expired due to Fees
First Claim
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1. A data communication device capable of communicating with a portable storage device in a non-contact manner, comprising:

  • a group of light emitting devices arranged in a symmetric pattern corresponding to four corners of the portable storage device indicating a proper placement position for positioning the portable storage device to initiate communications between the portable storage device and the communication device;

    polling means for sending a polling command to the portable storage device; and

    wherein the group of light emitting devices is activated when the polling command is sent, and the group of activated light emitting devices represent a status condition of communication between the data communication device and the portable storage device.

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