Printer media low sensing using motor current drawn when feeding
AssigneeHoneywell International Inc.
InventorsPhek Thong Lee, Cheng Khoon Ng, Sze Ping Ching
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AssigneeHoneywell International Inc.
InventorsPhek Thong Lee, Cheng Khoon Ng, Sze Ping Ching
Estimating the term…
Printer circuits and components for detecting a media low condition on a printer are provided. The printer circuit comprises a motor coupled to a platen roller, a current sense resistor coupled in series with the motor, a current measuring circuit comprising an operational amplifier circuit configured to receive input voltage and output voltage of the current sense resistor, generate a differential voltage based at least in part on the input voltage and the output voltage, and convert the differential voltage to a current, and an analog-to-digital converter and control mechanism configured to receive the current from the current measuring circuit and control operation of the motor based at least in part on the current.
A printer circuit comprising:
A printer apparatus comprising:
A method for detecting a media low condition on a printer device, the printer device comprising a media supply including print media, a motor coupled to a platen roller configured to draw the print media from the media supply, and a current measuring circuit, the method comprising:
Dependencies are inferred from the claim text.