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US 2003/0146817 A1Published application
Electrical filter
OwnerMei-Yu Loinventor
Life of this patent
Estimating the term…
Abstract
A filter is composed of a magnetic core, and at least three coils. The magnetic core has an upper plate, a lower plate parallel to the upper plate and two walls formed between the upper plate and the lower plate. The first coil and the second coil are respectively winded on the walls. The other coil is winded on the upper plate. Terminals of the coils are bonded on a bottom surface of the lower plate.
Claims3
A filter comprising:
- a magnetic core (10), the magnetic core (10) having an upper plate (11), a lower plate (12) parallel to the upper plate (11), and two walls (13, 14) formed between the upper plate (11) and the lower plate (12);
- and
- a first coil (21), a second coil (22) and at least a third coil (23), wherein the first coil (21) and the second coil (22) are respectively winded on the walls (13, 14), and the at least a third coil (23) is winded on the upper plate (11), terminals (210, 220, 230) of the coils (21, 22, 23) are bonded on a bottom surface of the lower plate (12).
Dependencies are inferred from the claim text.