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Printing material container, and board mounted on printing material container

CAFC
  • US 8,882,513 B1
  • Filed: 07/16/2014
  • Issued: 11/11/2014
  • Est. Priority Date: 12/26/2005
  • Status: Active Grant
First Claim
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1. A printing material container for mounting in an ink jet printing apparatus, the ink jet printing apparatus having a print head and a plurality of apparatus-side terminals, the printing material container comprising:

  • a memory device adapted to be driven by a memory driving voltage;

    an electronic device adapted to receive a voltage higher than the memory driving voltage; and

    a plurality of container-side terminals having contact portions arranged to contact corresponding apparatus-side terminals so that electrical communication is enabled with the ink jet printing apparatus, the contact portions including;

    a plurality of memory device contact portions electrically coupled to the memory device;

    a first and a second high voltage contact portion electrically coupled to the electronic device;

    a first short detection contact portion arranged to electrically contact an apparatus-side terminal that itself is electrically coupled to a short detection circuit of the printing apparatus, the container-side terminal having the first short detection contact portion arranged for detecting a short between the container-side terminal having the first short detection contact portion and at least the container-side terminal having the first high voltage contact portion, wherein;

    the contact portions are arranged in a first row of contact portions and a second row of contact portions, the first row of contact portions and the second row of contact portions both extending in a row direction,the first and second high voltage contact portions are located at the ends of the first row of contact portions, andthe electronic device is adapted to receive a first voltage and to output a voltage that is lower than the first voltage.

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