Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
2000-01-05
2000-08-15
Donovan, Lincoln
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335285, 335287, 269 8, H01F 708
Patent
active
061042684
ABSTRACT:
A magnetism-sensitive lifter rotatable intermittently and dividing angles by a computer includes many permanent magnets and many induction silicon steel magnets to attract and repel one another, possible to rotate intermittently, divide angles equal and unequal and move up and down vertically by control of a computer.
REFERENCES:
patent: Re29081 (1976-12-01), Grundmann
patent: 3624574 (1971-11-01), Mentagu
patent: 4903578 (1990-02-01), Terp
Chieh-Hsueh Hsu
Donovan Lincoln
Nguyen Tuyen
Yi-Chien Lee
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