Flat transformer

Details Flat transformer Flat transformer

1993-06-23

1994-06-07

Kozma, Thomas J.

Inductor devices

Three or more windings

336182, 336200, 336232, H01F 2730

Patent

active

053193423

ABSTRACT:
A magnetic core (2) is formed so as to be vertically thin and segmentable into an upper segment (3) and a lower segment (4). An inner portion (2a) and two outer portions (2b), (2b) of the magnetic core (2) are interconnected so as to form a closed magnetic circuit. A substrate (9) is inserted between the two outer portions (2b), (2b), while the inner portion (2a) is inserted into a through hole (10) of the substrate (9). A scroll pattern coil (11) is formed on each of front surface (9a) and rear surface (9b) of the substrate (9) outside the through hole (10). Further, a bobbinless winding coil (13) is inserted into an annular space between the inner portion (2a) and the through hole (10).

REFERENCES:
patent: 3483499 (1969-12-01), Lugten
patent: 4012703 (1977-03-01), Chamberlayne
patent: 4547961 (1985-10-01), Bokil et al.

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