Geometrical instruments – Area integrators – Electrical
Patent
1979-04-18
1981-06-02
Little, Willis
Geometrical instruments
Area integrators
Electrical
33169R, 33172E, G01B 728
Patent
active
042702755
ABSTRACT:
A probe for determining at what point in space contact is made between an object and a stylus. The stylus is located in an acurately defined rest position relative to a housing and slight deflection of the stylus away from this rest position is detected preferably by electrical switches.
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pp. 7 & 8 of Western Electric Technical Digest No. 6, Apr. 1967.
Digital Electronic Automation Brochure; S.p.A. (DEA)-Jul. 1975.
Little Willis
Rolls-Royce Limited
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