Optics: measuring and testing – Range or remote distance finding – With photodetection
Patent
1997-12-10
1999-08-03
Font, Frank G.
Optics: measuring and testing
Range or remote distance finding
With photodetection
356 3, 356 8, 356 18, G01C 308
Patent
active
059332239
ABSTRACT:
A device to measure the relative location in three dimensional space of anatomical structures by injecting a beam of light into an optical imaging device and projecting the beams of light onto the object being imaged. By virtue of the change in the image of the light beam, as a function of changes in the position and/or direction of the injected beam, and knowing the optical transfer function of the imaging device, the position of the anatomical structure can easily be calculated.
REFERENCES:
patent: 3595220 (1971-07-01), Kawahara
patent: 3817619 (1974-06-01), Kawahara
patent: 3817631 (1974-06-01), Kawahara
patent: 4271829 (1981-06-01), Heckele
patent: 5361217 (1994-11-01), Makimura et al.
patent: 5699280 (1997-12-01), Oda et al.
"New Laser Ruler Instrument for Making Measurements Through an Endoscope," Herzon, G.D., Otolaryngol Head Neck Surg, pp. 689-692, Jun. 1997.
De Haller Emmanuel B.
Dornhoffer John L.
Ferguson Scott
Flock Stephen T.
Board of Trustees of the University of Arkansas
Cox, Jr. Ray F.
Font Frank G.
Ratiff Reginald A.
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