Geometrical instruments – Miscellaneous – Light direction
Reexamination Certificate
2007-12-25
2007-12-25
Fulton, Christopher W (Department: 2859)
Geometrical instruments
Miscellaneous
Light direction
C033S0010BB, C033S558020, C033S455000
Reexamination Certificate
active
11415616
ABSTRACT:
An adjustable device to locate and transfer the positions of golden section points from a source image to a secondary surface, comprising a plurality of paired blades that are coupled to pivot at the golden section points that occur along the length of the blades and at the endpoints of the blades. This configuration creates a looped series of connected levers, sequenced to diminish in length by golden section ratio, with fulcrums positioned at golden section points. The device is bilaterally symmetrical and maintains consistent golden section proportions regardless of the size to which it is adjusted. The creation of accurate images by a means other than tracing enables the user to learn how the mathematics of the golden section relates to the principles of proportion that connect the parts to the whole.
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patent: 5473821 (1995-12-01), DiMarco
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