Sheet media weight detector

Details Sheet media weight detector Sheet media weight detector

1997-02-26

1999-08-17

Noori, Max

Measuring and testing

Dynamometers

Responsive to torque

7386223, 271 1002, G01L 302

Patent

active

059396466

ABSTRACT:
A method and device that automatically measures and monitors the pick/feed motor torque as an indicator of paper weight, and controlling pertinent printer operations according to the measured torque. The method of the invention includes the steps of measuring the torque output of the motor during a pick/feed operation and controlling at least one printer operation according to the torque measurement. Preferably, the torque is measured by measuring the electrical current drawn by the pick/feed motor during the pick/feed operation.

REFERENCES:
patent: 4206912 (1980-06-01), Pearson
patent: 4835573 (1989-05-01), Rohrer et al.
patent: 4852785 (1989-08-01), Bettendorf et al.
patent: 5013981 (1991-05-01), Rodi
patent: 5169249 (1992-12-01), Kitabatta
patent: 5270563 (1993-12-01), Mahoney

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