Electrophotography – Diagnostics – Unit or part identification
Reexamination Certificate
2011-06-07
2011-06-07
Ngo, Hoang (Department: 2852)
Electrophotography
Diagnostics
Unit or part identification
Reexamination Certificate
active
07957655
ABSTRACT:
A cartridge chip for use with a first type of imaging cartridge and a second type of imaging cartridge comprises a controller and a resistive element connected between the controller and a reference potential, the cartridge chip adapted for operation in a first mode of operation compatible with the first type of imaging cartridge when the controller detects the reference potential through the resistive element, the cartridge chip adapted for operation in a second mode of operation compatible with the second type of imaging cartridge when the controller cannot detect the reference potential through the resistive element.
REFERENCES:
patent: 6019461 (2000-02-01), Yoshimura et al.
patent: 6909856 (2005-06-01), Crichton
Burchette Lynton R.
Reeves Mark D.
Ngo Hoang
Static Control Components, Inc.
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