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US 6,546,792 B1Granted
Tree volume measurment device
AssigneeAmerican Electric Power Company, Inc.
InventorMark P. Mann
Life of this patent
Estimating the term…
Abstract
The present invention includes tree crown volume measuring devices and measuring systems useful in determining the necessary amount of growth regulator product to be applied to trees near power lines. The present invention also includes measuring methods and processes using the devices of the present invention.
Claims9
A tree measurement device, comprising:
- a card;
- an opening of predetermined size and shape located in said card;
- and
- a means for locating said card a proper distance from the eye of a user;
- wherein, when standing approximately a predetermined distance from said tree, said opening limits said user's view of a crown portion of said tree such that the volume of said crown portion may be classified.
2 more elements
A method of measuring tree crown volume comprising the steps of:
- standing a predetermined distance from a tree;
- holding a frame with an opening of predetermined size at substantially a predetermined distance from the eye of a holder of said frame, so that the line of sight of said holder of said frame to a viewed tree crown is through said opening;
- viewing the crown volume of a tree through said opening in said frame;
- determining if the bulk of said crown volume is viewable through said opening;
- and
- classifying the tree crown size by whether or not the bulk of said crown volume is viewable through said opening.
3 more elements
Dependencies are inferred from the claim text.