Electricity: motive power systems – Positional servo systems – With particular motor control system responsive to the...
Patent
1985-10-30
1987-05-19
Dobeck, Benjamin
Electricity: motive power systems
Positional servo systems
With particular motor control system responsive to the...
318 38, 318135, 310 13, G05B 1100
Patent
active
046671390
ABSTRACT:
A first table is provided on a fixed base so that the first table can be moved in one of two directions which cross each other at right angles. A second table is provided on the first table so that the second table can be moved in the other direction. Linear motors for applying the driving force to the first and second tables to directly drive these tables are provided between the fixed base and first table and between the first and second tables.
REFERENCES:
patent: 3832610 (1974-08-01), Shimizu et al.
patent: 3904900 (1975-09-01), Shichida et al.
Hirai Hiromu
Takase Fuyuto
Yamaguchi Takashi
Yoshida Tomomasa
Dobeck Benjamin
Hitachi , Ltd.
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