Inductor devices – Winding formed of plural coils
Reexamination Certificate
2006-06-13
2006-06-13
Mai, Anh (Department: 2832)
Inductor devices
Winding formed of plural coils
C336S220000, C336S184000
Reexamination Certificate
active
07061356
ABSTRACT:
A controllable transformer device comprising a body of a magnetic material, a primary winding wound round the body about a first axis, a secondary winding wound round the body about a second axis at right angles to the first axis, and a control winding wound round the body about a third axis, coincident with the second axis. The device can be employed to provide a frequency controlled power supply.
REFERENCES:
patent: 1287982 (1918-12-01), Hartley
patent: 2284406 (1942-05-01), D'Entremont
patent: 2883604 (1959-04-01), Mortimer
patent: 3371217 (1968-02-01), Flannery et. al.
patent: 3757201 (1973-09-01), Cornwell
patent: 4002999 (1977-01-01), Hesler et al.
patent: 4004251 (1977-01-01), Hesler et al.
patent: 4163189 (1979-07-01), Smutny
patent: 4202031 (1980-05-01), Hesler et al.
patent: 4210859 (1980-07-01), Meretsky
patent: 4347449 (1982-08-01), Beau
patent: 4393157 (1983-07-01), Roberge et al.
patent: 5363035 (1994-11-01), Hutchison et al.
patent: 5404101 (1995-04-01), Logue
patent: 5936503 (1999-08-01), Holmgren et al.
patent: 6232865 (2001-05-01), Zinders et al.
patent: 6307468 (2001-10-01), Ward, Jr.
patent: 6429765 (2002-08-01), Valdemarsson et al.
patent: 2 344 109 (1976-03-01), None
patent: 1 209 253 (1970-10-01), None
patent: 358057718 (1983-04-01), None
patent: 146219 (1982-05-01), None
patent: 20002652 (2000-05-01), None
patent: WO 94/11891 (1994-05-01), None
patent: WO 97/34210 (1997-09-01), None
patent: WO 98/31024 (1998-07-01), None
patent: WO 01/90835 (2001-11-01), None
patent: 02/27898 (2002-04-01), None
patent: 2004/040598 (2004-05-01), None
patent: 2004/053615 (2004-06-01), None
International Search Report for PCT/NO 02/00434, Mar. 4, 2003; 4 pages.
Copy of Norwegian Search Report 2001 5689, mailing date Jul. 10, 2002.
Copy of International Search Report PCT/NO 02/00435, mailing date Mar. 6, 2003.
Copy of International Preliminary Examination Report PCT/NO 02/00435, mailing date Mar. 16, 2004.
Haugs Espen
Strand Frank
Kirkpatrick & Lockhart Nicholson & Graham LLP
Magtech AS
Mai Anh
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