System for measuring and recording three dimensional configurati

Details System for measuring and recording three dimensional configurati System for measuring and recording three dimensional configurati

1976-09-03

1977-09-27

Miller, Jr., George H.

Recorders

Combined with external recorder operating means

Well logging

346 29, 33 20D, 356 2, 356120, 364564, G01D 900, B43L 1316, G01C 1112, G01B 1130

Patent

active

040514838

ABSTRACT:
An encoder for converting a distance to an electric signal is connected with a computer to put a distance signal into the computer. Th encoder is put on a moire pattern obtained by interference between a standard grating and a deformed image of the standard grating deformed by the surface of a three dimensional object. The distance between moire fringes is put into the computer. The computer is supplied with a signal indicting whether the surface is convex or concave. The depth or height of a point on the moire pattern is calculated by the computer, and a contour of the three dimensional object is obtained. An X-Y recorder is connected with the computer to draw the contour of the object.

REFERENCES:
patent: 2759814 (1956-08-01), Kegelas
patent: 2896501 (1959-07-01), Stamps
patent: 2910910 (1959-11-01), Rosenfeld et al.
patent: 3614237 (1971-10-01), Kyle et al.
patent: 3614410 (1971-10-01), Bailey et al.
patent: 3866052 (1975-02-01), Di Matteo et al.

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