Ink-jet printing apparatus and ink cartridge therefor
First Claim
1. An ink cartridge for detachable mounting in an insertion direction on an ink jet printing apparatus having an ink supply needle communicating with a print head, the ink cartridge comprising:
- a bottom wall;
a plurality of side walls;
an ink supply port formed in said bottom wall to engage the ink supply needle of the ink jet printing apparatus as the ink cartridge moves in the insertion direction;
a circuit board formed on one of said side walls adjacent to said bottom wall;
a plurality of electrodes disposed on the circuit board, each said electrode having at least one contact region, the contact regions being divided into a plurality of groups respectively arranged at intervals in the insertion direction of the cartridge, wherein a portion of one said contact region that is located in a center of one of the groups of contact regions is disposed on a central line of said ink supply port; and
a semiconductor storage device located on said circuit board and which is in electrical communication with at least some of said contact regions.
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Accused Products
Abstract
An ink cartridge for detachable mounting in an insertion direction on an ink jet printing apparatus having an ink supply needle communicating with a print head, includes a bottom wall, plural side walls, an ink supply port in the bottom wall to engage the ink supply needle as the ink cartridge moves in an insertion direction, a circuit board formed on a side wall adjacent to the bottom wall, and electrodes on the circuit board, each electrode having at least one contact region, the contact regions being divided into groups respectively arranged at intervals in the insertion direction. Part of one contact region located in a center of one of the groups of contact regions is disposed on the ink supply port'"'"'s central line, and a semiconductor storage device is located on the circuit board and is in electrical communication with at least some contact regions.
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Citations
75 Claims
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1. An ink cartridge for detachable mounting in an insertion direction on an ink jet printing apparatus having an ink supply needle communicating with a print head, the ink cartridge comprising:
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a bottom wall; a plurality of side walls; an ink supply port formed in said bottom wall to engage the ink supply needle of the ink jet printing apparatus as the ink cartridge moves in the insertion direction; a circuit board formed on one of said side walls adjacent to said bottom wall; a plurality of electrodes disposed on the circuit board, each said electrode having at least one contact region, the contact regions being divided into a plurality of groups respectively arranged at intervals in the insertion direction of the cartridge, wherein a portion of one said contact region that is located in a center of one of the groups of contact regions is disposed on a central line of said ink supply port; and a semiconductor storage device located on said circuit board and which is in electrical communication with at least some of said contact regions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. An ink cartridge for detachable mounting on a printing apparatus having an ink supply needle, a print head communicating with said ink supply needle and plural contact forming members, the ink cartridge comprising:
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a bottom part in which is formed an ink supply port into which the ink supply needle is inserted; a circuit board mounted on a side part of the ink cartridge, the circuit board having a plurality of electrodes for connecting to the contact forming members of the printing apparatus, wherein at least one of electrodes is disposed on a central line of said ink supply port, when viewing, in a perpendicular direction, said circuit board on which said plural electrodes are formed. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67)
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68. An ink cartridge for detachable mounting on an ink jet printing apparatus to supply ink to a print head via an ink supply needle, the ink cartridge comprising:
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a bottom part in which is formed an ink supply port into which the ink supply needle is inserted; a circuit board mounted on a side part adjacent to the bottom part in which said ink supply port is formed; and a plurality of electrodes for connecting to contact forming members of the printing apparatus and which are formed on an exposed surface of said circuit board, wherein said circuit board is positioned to at least partially overlap a center line of said ink supply port, when viewing, in a perpendicular direction, said circuit board on which said electrodes are formed. - View Dependent Claims (69, 70, 71, 72)
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73. An ink cartridge for detachable mounting on a printing apparatus to supply ink to a print head via an ink supply needle, the ink cartridge comprising:
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a bottom part in which is formed an ink supply port into which the ink supply needle is inserted; a circuit board mounted on a side part adjacent to the bottom part in which said ink supply port is formed; and a plurality of electrodes for connecting to contact forming members of the printing apparatus and which are formed on an exposed surface of said circuit board, wherein said electrodes include a detection electrode for detecting whether the ink cartridge is by enabling electrical conduction between two contact forming members of the printing apparatus and a width of the detection electrode is greater than that of other said electrodes.
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74. An ink cartridge for detachable mounting on a printing apparatus to supply ink to a print head via an ink supply needle, the ink cartridge comprising:
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a bottom part in which is formed an ink supply port into which the ink supply needle is inserted; a circuit board mounted on a side part adjacent to the bottom part in which said ink supply port is formed; and a plurality of electrodes for connecting to contact forming members of the printing apparatus and which are formed on an exposed surface of said circuit board, wherein the electrodes include a detection electrode for detecting whether the ink cartridge is installed by enabling electrical conduction between two contact forming members of the printing apparatus, wherein at least one of said electrodes is disposed on a central line of said ink supply port, when viewing, in a perpendicular direction, said circuit board on which said electrodes are formed, and wherein said ink supply port is positioned nearer to said side part on which said electrodes are provided than to another side part opposing said side part.
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75. An ink cartridge for detachable mounting on a printing apparatus to supply ink to a print head via an ink supply needle, the ink cartridge comprising:
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a bottom part in which is formed an ink supply port into which the ink supply needle is inserted; a circuit board mounted on a side part adjacent to the bottom part in which said ink supply port is formed; and a plurality of electrodes for connecting to contact forming members of the printing apparatus and which are formed on an exposed surface of said circuit board, wherein said electrodes include a detection electrode for detecting whether said ink cartridge is installed by enabling electrical conduction between two contact forming members of the printing apparatus, wherein at least one of said electrodes is disposed on a central line of said ink supply port, when viewing, in a perpendicular direction, said circuit board on which said electrodes are formed, and wherein said electrodes are positioned by said bottom part of said ink cartridge.
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Specification