ACTUATOR COMPRISING A ROTATABLE MAGNET BODY; ACTUAACTUATOR COMPRISING A ROTATABLE MAGNET BODY; ACTUATOR UNIT COMPRISING THE ACTUATOR AND A CONTROL SYSTOR UNIT COMPRISING THE ACTUATOR AND A CONTROL SYSTEM; MAGNETO-OPTICAL DEVICE COMPRISING THE ACTUATOTEM; MAGNETO-OPTICAL DEVICE COMPRISING THE ACTUATOR, AND SCANNER COMPRISING THE ACTUATOR R, AND SCANNER COMPRISING THE ACTUATOR

Title:

Document Type and Number:

WIPO Patent Application WO1996011484

Kind Code:

A3

Abstract:

An actuator comprises a permanent magnet body (1) and coil means for cooperation with the magnet body. The magnet body is rotatable about an axis of rotation (7) between, for example two, stop positions. The coil means exclusively comprise at least one active coil section (9a, 11a) of an electrical coil, which coil section extends parallel to the axis of rotation of the magnet body and substantially faces a magnet pole in a stop position of the magnet body.

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Inventors:

JANSEN GERARDUS LUCIEN MATHILD
PEIJNENBURG ANTONIUS THEODORUS

Application Number:

PCT/IB1995/000784

Publication Date:

October 17, 1996

Filing Date:

September 22, 1995

Export Citation:

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Assignee:

PHILIPS ELECTRONICS NV (NL)
PHILIPS NORDEN AB (NL)

International Classes:

G02F1/29; G06K7/10; G11B5/02; G11B11/10; G11B11/105; G11B13/04; H01F7/14; H02K26/00; G11B7/085; (IPC1-7): H01F7/14; G02F1/29; G11B11/10; G11B13/04

Foreign References:

US5291345A	1994-03-01
US5351221A	1994-09-27
EP0566989A2	1993-10-27
US5345431A	1994-09-06

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