Geometrical instruments – Scriber – Pantographic
Patent
1974-12-11
1976-02-10
Aegerter, Richard E.
Geometrical instruments
Scriber
Pantographic
33 25R, 346108, 354 4, 350288, B43L 1310, G02B 508
Patent
active
039369420
ABSTRACT:
An optical pantograph for directing light beams and the like from a source to a receiver according to the movement of a pointer. The device can be used for, among other things, directing a laser beam and the like to a target for etching patterns on a target according to the movement of a pointer relative to a pattern trace.
REFERENCES:
patent: 1662830 (1928-03-01), Lund
patent: 1914258 (1933-06-01), Howey
patent: 2048154 (1936-07-01), Abbott et al.
patent: 2613127 (1952-10-01), Geiser
patent: 3040626 (1962-06-01), Griffioen
patent: 3175295 (1965-03-01), Selley
patent: 3244893 (1966-04-01), Miller et al.
patent: 3528424 (1970-09-01), Ayres
patent: 3776113 (1973-12-01), Parks et al.
Belew Robert R.
Davis Donald E.
Aegerter Richard E.
Manning John R.
National Aeronautics and Space Administration Office of General
Riggins Wayland H.
Shepperd John W.
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