Device for creating digital signals representative of a natural leaf profile
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United States of America Patent
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-
Jun 3, 1980
Grant Date -
N/A
app pub date -
May 2, 1978
filing date -
May 2, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is provided a digital device for creating a series of digital signals indicative of the profile in certain surface variations of a natural tobacco leaf. The light intensity characteristic of an emitted light from various locations on the natural tobacco leaf are scanned in succession across the leaf at parallel positions. The light intensity at the various locations creates a digital signal indicative of whether or not the light intensity is high, low or intermediate. The color profile of the leaf could be created by these signals; however, in accordance with the invention, a digital signal is created when the light intensity signal shifts from one value to another. At that time, a transition signal is created which can be combined to form a transition profile of the leaf which is indicative of the actual profile and color variations of the leaf itself. This information can be used for locating a wrapper cutter at the desired position on the leaf for subsequent cutting of the wrapper from the leaf.
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Cited Art Landscape
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