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Fuel cell management system and audio system provided with the management system

  • US 7,443,133 B2
  • Filed: 09/02/2004
  • Issued: 10/28/2008
  • Est. Priority Date: 09/04/2003
  • Status: Expired due to Fees
First Claim
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1. A fuel cell management system for managing plural fuel cells installed in plural electronic devices, respectively, said system comprising:

  • a plurality of electronic devices, each of which being operated with electric power supplied from respective fuel cell installed in each respective electronic device, each electronic device possessing identification information for identifying the respective electronic devices, for forming management information about a power supply state of the respective installed fuel cell and for outputting the formed management information in correlation with the identification information,a management unit for receiving the identification information and the management information outputted from each of the electronic devices and displaying the management information and an indication of the electronic device that corresponds with the management information based on the received identification information; and

    an information transmitting part for transmitting the identification information and the management information outputted from each of the electronic devices and allowing the information to be received by the management unit, whereineach of the electronic devices comprises;

    an electronic device control section, which has a management information forming section for forming the management information according to the power supply state of the respective fuel cell installed in the respective electronic device in response to a power turning-off operation of the respective electronic device and an information output section for outputting the management information about the power supply state of the fuel in the respective electronic device in correlation with the identification information to the management unit via the information transmitting part in response to a power turning-off operation of the respective electronic device, andthe management unit is operable to display the power supply state of the fuel cells of the electronic devices based on the inputted management information for managing each of the fuel cells.

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