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Preliminary Concepts

Preliminary Concepts. Team 2. Initial Concept #1: Flaps. Insert a long axle going across the width of the paper at any point in the print process. Paper pushes the spring loaded flap to start a timer Once paper completely passes through, flap is released and timer stops. Flaps continued.

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Preliminary Concepts

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  1. Preliminary Concepts Team 2

  2. Initial Concept #1: Flaps Insert a long axle going across the width of the paper at any point in the print process. Paper pushes the spring loaded flap to start a timer Once paper completely passes through, flap is released and timer stops.

  3. Flaps continued Cost effective Can be integrated at any point in the printing system Works for all sizes of paper so long as the length is known Different thicknesses and formats have no effect on the accuracy Best suited for heavier paper, though weight will not drastically affect the results

  4. Initial Concept #2: Positioned Sensor This concept would position a sensor along the path of the paper and when the paper first disrupts the sensor a timer starts and when it is finished passing through the timer stops. This will give you a time for the distance traveled which would be the paper length

  5. Positioned Sensor continued L.E.D. emitters will transmit light signals to a phototransistor across the desired path. Fairly easy to integrate into the Xerox system Less cost effective than the other solutions due to material costs Not affected by variations in weight, thickness, or paper formats Effective so long as the paper length is known

  6. Initial Concept #3: Use RPM This concept would use the circumference of the drive rollers and multiply it by the revolutions done per second while in contact with the paper. One problem is that it could vary with different types of paper.

  7. RPM Counter continued Does not account for change in normal force due to either different paper thicknesses or wear on the rollers Different paper formats can cause miscalculations (i.e. glossy vs. non-glossy) Size of paper has no affect on results Very easily integrated into Xerox system

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