Data processing: measuring – calibrating – or testing – Measurement system – Weight
Reexamination Certificate
2005-12-06
2005-12-06
Nghiem, Michael (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system
Weight
C347S019000, C347S036000, C347S086000, C347S087000
Reexamination Certificate
active
06973409
ABSTRACT:
Cartridge total weight SN of an ink bag filled with ink is measured. Ink weight SU of ink stored in the ink bag is calculated from the found cartridge total weight SN (step S17). The ink weight SU is converted into a printable amount and this printable amount is stored in an IC chip as an initial value Sc for calculating a remaining amount (step S19). A printer reads the initial value Sc for calculating the remaining amount from the IC chip, subtracts the ink consumption amount from the initial value Sc for calculating the remaining amount to calculate a new ink remaining amount, and stores the calculated ink remaining amount in the IC chip.
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Seino Takeo
Shimizu Yoshiaki
Nghiem Michael
Seiko Epson Corporation
Stroock & Stroock & Lavan LLP
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