Three-dimensional non-contact scanning apparatus and method usin

Details Three-dimensional non-contact scanning apparatus and method usin Three-dimensional non-contact scanning apparatus and method usin

1995-08-30

1998-09-08

Allen, Stephone

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

250224, 25055923, 25055912, 356376, 364354, G02B 2608

Patent

active

058048308

ABSTRACT:
A method of scanning and mapping the outer contour of a three-dimensional object, for example a person's foot, by locating a plurality of radiant-energy sensors in a circular array around the object, rotating a transmitter about the object to transmit radiant energy to the sensors of the circular array except those shadowed by the object, and utilizing detected changes in state of the sensors, and the instantaneous positions of the transmitter when a change in state is detected, for mapping the outer contour of the object.

REFERENCES:
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patent: 4302097 (1981-11-01), Chlestil
patent: 4679076 (1987-07-01), Vikterloff et al.
patent: 4745290 (1988-05-01), Frankel et al.
patent: 5103338 (1992-04-01), Crowley et al.
patent: 5128880 (1992-07-01), White
patent: 5371375 (1994-12-01), Stern et al.
patent: 5477371 (1995-12-01), Shafir

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