Apparatuses, components and methodologies for determining...

Details Apparatuses, components and methodologies for determining... Apparatuses, components and methodologies for determining...

2008-04-18

2009-12-08

Porta, David P. (Department: 2884)

Radiant energy

Invisible radiation responsive nonelectric signalling

Optical change type

Reexamination Certificate

active

07629592

ABSTRACT:
Mechanisms are provided to easily determining an indication of the amount of light available at a growing location over a given period of time. Such mechanisms may be used indoors or outdoors and are designed so as to provide an easily readable and understandable indication of the amount of light available at a growing location either empirically or with reference to a reference color chart.

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