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Control system and units removably attachable to the same

  • US 7,123,370 B2
  • Filed: 03/22/2004
  • Issued: 10/17/2006
  • Est. Priority Date: 07/21/1995
  • Status: Expired due to Fees
First Claim
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1. A unit detachable connectable to an apparatus which includes an electric power source, comprising:

  • a communication device, arranged to transmit electric power consumption information of said unit to said apparatus which includes the electric power source; and

    a control device, arranged to effect control so that an operation mode of said unit is switched to a mode for reducing power consumption thereof, in accordance with a control signal supplied from said apparatus in response to the electric power consumption information transmitted thereto by said communication device,wherein said apparatus which includes the electric power source is arranged so as to be detachably connectable to a plurality of units and supply electric power to each of said plurality of units.

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