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US 6,724,250 B2Granted
Transformer of power-amplifier module for an audio device
OwnerPao-An Chuanginventor
Life of this patent
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Abstract
A transformer of power-amplifier module for an audio device includes a casing having a first plug and a second plug formed thereon. In the casing, there is an amplifying circuit having an input electrically connected to the first plug and an output electrically connected to the second plug of the casing. The amplifying circuit terminates in a transformer at the output. Furthermore, the transformer is adjustable so as to control the amplitude of output voltage of the transformer of power-amplifier module.
Claims6
A transformer of power-amplifier module for an audio device, comprising:
- a casing having a first plug and a second plug formed thereon;
- and
- an amplifying circuit regulated by a magnetic coupling and received in said casing, said amplifying circuit having an input electrically connected to said first plug and an output electrically connected to said second plug of said casing so as to control the amplitude of output voltage of said transformer of power-amplifier module, wherein said casing is configured as a box with two mounting tabs on opposite sides and having one opening and one coordinated bottom lid, and wherein said bottom lid has a first slot and a second slot relative to the first and second plugs, said slots have a plurality of pins, and said magnetic coupling in said case comprises a plurality of individual coil modules co-located with same amplifying ratio in voltage and different amplifying ratio in current.
Dependencies are inferred from the claim text.