Control systems and methods utilizing magnetically retentive bod

Details Control systems and methods utilizing magnetically retentive bod Control systems and methods utilizing magnetically retentive bod

1978-06-07

1980-06-10

Kamm, William E.

Surgery

Truss

Perineal

251 65, A61B 1900

Patent

active

042067499

ABSTRACT:
In a control system and method which utilize at least two magnetically retentive bodies, each of which has a given magnetic domain orientation, preferably at least one of these bodies is supported by a supporting structure for movement or balance with respect to the other to assume due to its natural magnetic interaction with the other body a monostable position or force interaction providing between the bodies a first magnetic relationship which achieves a first effect which is monostable under the influence of random disturbances. A structure capable of temporarily creating a polarizing magnetic field of sufficient strength is utilized for changing at least one of the above magnetic domain orientations thereby eliminating the first magnetic relationship. After the polarizing magnetic field has been removed, due to the changed magnetic domain orientation one of the bodies can move with respect to the other, due to natural magnetic interaction therewith, to a second monostable magnetic interrelationship, and this latter second monostable positional or force interrelationship is utilized for achieving a second effect.

REFERENCES:
patent: 3206160 (1965-09-01), Bennett
patent: 3518997 (1970-07-01), Sessions
patent: 3609425 (1971-09-01), Sheridan
patent: 3742933 (1973-07-01), Bucalo
patent: 3766928 (1973-10-01), Goldberg et al.
patent: 3777737 (1973-12-01), Bucalo
patent: 4013063 (1977-03-01), Bucalo

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