Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1998-05-07
2000-09-05
Westin, Edward P.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
250226, 356419, H01J 4014
Patent
active
061146870
ABSTRACT:
A device and method permits detecting, measuring, and recording the intensity of radiation corresponding to a green plant's photoactive spectrum striking a selected site, and utilizing such information alphanumerically and graphically displaying the photoactive radiation exposure in sols incident at the site during a particular portion of a day, an entire day, a week, or an month. The photoactive radiation information provided by the invention device allows gardeners, farmers, researchers and others to match the types of trees, shrubs, crops or other plants that would grow best under the radiation conditions usually incident at the site over a desired, extended time period.
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Hsiao Henry
Sharp Michael C.
Swartz John C.
Williams M. Kathleen
Kinnear Glenn T
Westin Edward P.
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