Incremental printing of symbolic information – Ink jet – Controller
Reexamination Certificate
2006-09-05
2006-09-05
Feggins, K. (Department: 2853)
Incremental printing of symbolic information
Ink jet
Controller
C347S086000, C399S012000
Reexamination Certificate
active
07101012
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.
REFERENCES:
patent: 4551734 (1985-11-01), Causley et al.
patent: 5469196 (1995-11-01), Okazaki et al.
patent: 1 080 917 (2001-03-01), None
patent: 2001-147146 (2001-05-01), None
Search Report from European Pat. Appln. 03 25 5956.9 (May 13, 2004).
Kosugi Yasuhiko
Saruta Toshihisa
Feggins K.
Huffman Julian D.
Seiko Epson Corporation
Stroock & Stroock & Lavan LLP
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