Rotary transformer

Inductor devices – Relatively movable core and coil

Reexamination Certificate

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Reexamination Certificate

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07911307

ABSTRACT:
The invention relates to a variable transformer comprising at least one primary winding and at least one secondary winding which can be rotated in relation thereto. The primary winding and the secondary winding are subdivided into at least two winding sections. The winding sections interlock in a comb-like manner and the flow of current of directly opposite winding sections is directed in the respective opposite direction.

REFERENCES:
patent: 3414683 (1968-12-01), Dolby
patent: 5677661 (1997-10-01), Jang
patent: 6008547 (1999-12-01), Dobler et al.
patent: 6483218 (2002-11-01), Petrinko
patent: 7471180 (2008-12-01), Seong
patent: 2003/0179105 (2003-09-01), Kazmierczak
patent: 37 24 349 (1989-02-01), None
patent: 195 45 220 (1997-06-01), None
patent: 0 598 924 (1994-06-01), None
patent: 0 680 060 (1995-11-01), None
patent: 0 722 811 (1996-07-01), None
patent: 97/38876 (1997-10-01), None
Albert Esser et al., “A New Approach to Power Supplies for Robots”, IEEE Transactions on Industry Applications, Sep./Oct. 1991, vol. 27, No. 5, pp. 872-875, XP-000264054 (cited in International Search Report).
Theodor Bödefeld et al., “Elektrische Maschinen”, Springer-Verlag, 1965, pp. 50-51 and 56-60.
International Search Report dated Mar. 2, 2005.
German Office Action dated Jul. 23, 2004.

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