Geometrical instruments – Miscellaneous – Light direction
Patent
1982-05-20
1985-04-30
Haroian, Harry N.
Geometrical instruments
Miscellaneous
Light direction
299 1, 356153, 175 45, G01B 1127
Patent
active
045135045
ABSTRACT:
A method and apparatus for determining the position of a pressed-ahead hollow-section line, especially with any desired three dimensional curvature, and having measuring points permanently and securely arranged in the hollow-section line. The three dimensional position of the measuring points, e.g. signal emitters, is detected by automatic sensing devices e.g. cameras, having remote control or long-distance transmission, and being arranged in the hollow-section line.
REFERENCES:
patent: 3321248 (1967-05-01), Williamson et al.
patent: 3484136 (1969-12-01), Colson
patent: 4392744 (1983-06-01), Tatsuhama et al.
Hamamatsu--C1373 Position Sensor System, Cat. #TV-045-01, 5/30/80.
Beitinger Eberhard
Mohlenbrink Wolfgang
Nussbaumer Manfred
Ed. Zublin Aktiengesellschaft
Haroian Harry N.
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