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Non-contact communication between device and cartridge containing consumable component

  • US 20030128248A1
  • Filed: 11/25/2002
  • Published: 07/10/2003
  • Est. Priority Date: 11/28/2001
  • Status: Active Grant
First Claim
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1. A device for receiving at least one cartridge for containing a consumable component, the device comprising:

  • a cartridge holder that mounts at least one said cartridge containing the consumable component; and

    a transmitter/receiver for non-contact communication with the cartridge while proximate to the cartridge, wherein the cartridge has a memory circuit including an antenna for non-contact communication with the transmitter/receiver while proximate to the transmitter/receiver, a memory for storing an ID of the cartridge and data relating to the consumable component, and a controller for controlling communication with the transmitter/receiver and for controlling access to the memory, the memory circuit having an anti-collision mode in which the transmitter/receiver checks the ID of the cartridge, and an active mode permitting memory access upon reception of a memory access command from the transmitter/receiver, the memory circuit shifting from a specific state which is not in anti-collision mode to the active mode without passing through the anti-collision mode.

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