The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 31, 1983

Filed:

Nov. 03, 1980
Applicant:
Inventors:

Arthur Lewin, Saxonwold, ZA;

Bernd Nickel, Lorsch, DE;

Assignee:

Siemens Aktiengesellschaft, Berlin & Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G / ; A61B / ;
U.S. Cl.
CPC ...
364415 ; 128777 ; 433 69 ;
Abstract

The illustrated embodiment employs a field generator, preferably a magnetic field generator, field flux pick-ups arranged at an interval therefrom, as well as an electronic device for the three-dimensional comprehension and evaluation of electrical signals arising in a field flux or a change of field flux. For displaying random points (P.sub.2 . . . P.sub.n) of the lower jaw (1), means are provided which identify the geometrical attitude of the points with respect to a fixed-body coordinate system (x.sub.o, y.sub.o, Z.sub.o) allocated to the lower jaw whose origin and rotational center is the measuring point (P.sub.1). Further, a coordinate converter is provided which converts the coordinates (x.sub.o, y.sub.o, z.sub.o) related to the lower jaw into the coordinates (.DELTA.x.sub.2, .DELTA.y.sub.22 .DELTA.z.sub.2) of the stationary coordinate system (X, Y, Z). Further, summing amplifiers are provided which add the adjustment magnitudes (.DELTA.x.sub.2, .DELTA.y.sub.2, .DELTA.z.sub.2) of the jaw-related coordinates to the coordinates (x.sub.1, y.sub.1, z.sub.1) of the measuring point (P.sub.1). The device is particularly employed in gnathography.


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