Coating dimension measuring apparatus
AssigneeYokogawa Electric Corporation
InventorYasushi Ichizawa
Life of this patent
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Abstract
A coating dimension measuring apparatus may include: a camera that is positioned at a prescribed position distanced from a sheet to capture an image of a coating dimension of the sheet; a roller configured to transport the sheet; a scale that is disposed along a lengthwise direction of the roller to perform numerical calibration of the coating dimension; a scale holding unit configured to hold the scale over the roller, the scale holding unit being disposed so as to enable free insertion and removal of the scale.
Claims13
A coating dimension measuring apparatus comprising:
- a camera that is positioned at a prescribed position distanced from a sheet to capture an image of a coating dimension of the sheet;
- a roller configured to transport the sheet;
- a scale that is disposed along a lengthwise direction of the roller to perform numerical calibration of the coating dimension;
- a scale holding unit configured to hold the scale over the roller, the scale holding unit being disposed so as to enable free insertion and removal of the scale,
- the scale holding unit comprising a scale supporting unit configured to support the scale, holders fixed to each end of the scale supporting unit, and rotating shafts, one end of each of the rotating shafts being fixed to one of the holders,
- wherein the scale is configured to be moved in a direction approaching a surface of the roller to be disposed on the roller or in a direction away from the surface of the roller to be disposed outside an image capturing range of the camera by swinging the scale holding unit around the rotating shaft.
A coating dimension measuring apparatus comprising:
- a camera that is positioned at a prescribed position distanced from a sheet to capture an image of a coating dimension of the sheet;
- a roller configured to transport the sheet;
- a scale that is disposed along a lengthwise direction of the roller to perform numerical calibration of the coating dimension;
- and
- a scale holding unit configured to hold the scale over the roller, the scale holding unit being disposed so as to enable free insertion and removal of the scale,
- wherein
- a scale supporting frame included in the scale holding unit is formed by a reflective member, and
- direct light emitted from an illuminating member and light reflected from the reflective member illuminate the roller from both sides.
A coating dimension measuring apparatus comprising:
- a camera that is positioned at a prescribed position distanced from a sheet to capture an image of a coating dimension of the sheet;
- a roller configured to transport the sheet;
- a scale that is disposed along a lengthwise direction of the roller to perform numerical calibration of the coating dimension;
- and
- a scale holding unit configured to hold the scale over the roller, the scale holding unit being disposed so as to enable free insertion and removal of the scale,
- wherein magnification compensation is done for a thickness of the scale when the camera captures an image of the scale.
Dependencies are inferred from the claim text.