Geometrical instruments – Distance measuring – Single contact with a work engaging support
Patent
1989-10-25
1991-05-07
Bucci, David A.
Geometrical instruments
Distance measuring
Single contact with a work engaging support
33558, 33561, 901 9, 901 41, G01B 728
Patent
active
050125915
ABSTRACT:
In a force controlling system, a movable member fixed to an elastic member applies a force in correspondence with a force information signal to an object. At this time, an additional force is applied via a driver to the movable member by the positive feedback of the displacement of the elastic member to the driver, so that the reactive force due to the displacement of the elastic member is contradicted by the additional force. As a result, the movable member applies only a force in correspondence to the force information signal to the object.
REFERENCES:
patent: 3869799 (1975-03-01), Neuer et al.
patent: 4084323 (1978-04-01), McMurtry
patent: 4227401 (1980-10-01), McKechnie
Bucci David A.
Fujitsu Limited
Underwood Donald W.
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