Earphone
AssigneesTsinghua University, Hon Hai Precision Industry Co., Ltd.
InventorsYang Wei, Xiao-Yang Lin, Kai-Li Jiang, Shou-Shan Fan
Life of this patent
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Abstract
An earphone includes a loudspeaker, a signal process, an audio signal input port, and a driving port. The loudspeaker includes a thermoacoustic device disposed in a housing. The signal processor is electrically connected to the loudspeaker to provide signal to the loudspeaker. The audio input port is electrically connected to the signal processor to provide audio signal. The driving port is electrically connected to the signal processor to provide driving signal. The thermoacoustic device includes a substrate, and the substrate defines a number of grooves, a sound wave generator is suspended on the grooves.
Claims20
An earphone comprising:
- a thermoacoustic device comprising a substrate comprising a first surface defining a plurality of grooves, a second surface opposite to the first surface, and a sound wave generator on the first surface, wherein the sound wave generator is partially suspended over the plurality of grooves;
- a loudspeaker, the loudspeaker comprising a housing configured to accommodate the thermoacoustic device;
- a signal processor electrically connected to the loudspeaker and configured to provide signals to the loudspeaker;
- an audio input port electrically connected to the signal processor and configured to provide audio signals;
- and
- a driving port electrically connected to the signal processor, the driving port is adapted to provide driving signals.
A earphone comprising:
- a loudspeaker, wherein the loudspeaker comprises a housing and a thermoacoustic device accommodate into the housing;
- a signal processor adapted to transferring signals to the thermoacoustic device through an earphone cable or a wireless device;
- an audio signal input port adapted to providing audio signals into the signal processor;
- and
- a driving port adapted to providing driving signals into the signal processor.
Dependencies are inferred from the claim text.