Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-07-26
2009-12-01
Huffman, Julian D (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
C347S086000
Reexamination Certificate
active
07625060
ABSTRACT:
An ink cartridge111holding a recording material used for printing therein has a sensor substitute module170to simulate operations of a cartridge having a built-in sensor. As a control circuit222of a printer200gives a sensor access instruction to the ink cartridge111, the sensor substitute module170generates a specific signal and outputs the specific signal via an output module178. The specified signal is equivalent to a signal that represents a sufficient level of remaining ink and is expected to be output from the built-in sensor of the cartridge. The ink cartridge111is thus applicable to both a printer designed for the use of a cartridge with a built-in sensor and a printer designed for the use of a cartridge without a built-in sensor. Namely the cartridge of the invention is compatible with the cartridge having the built-in sensor.
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Kosugi Yasuhiko
Saruta Toshihisa
Huffman Julian D
Seiko Epson Corporation
Stroock & Stroock & Lavan LLP
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