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US 2015/0189428 A1Published application
Speaker and audio-visual system
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsATSUSHI SAKAGUCHI, SHUJI SAIKI, TOSHIYUKI MATSUMURA
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Abstract
A speaker includes a diaphragm and a magnetic circuit, a plurality of acoustic paths that provide connection between a space formed on a side including the magnetic circuit with respect to the diaphragm and a space exterior to the speaker are formed in the magnetic circuit, and the plurality of acoustic paths include a first acoustic path and a second acoustic path that differs in acoustic impedance from the first acoustic path.
Claims12
A speaker comprising:
- a diaphragm;
- and
- a magnetic circuit,
- wherein a plurality of acoustic paths that provide connection between a space formed on a side including the magnetic circuit with respect to the diaphragm and a space exterior to the speaker are formed in the magnetic circuit, and
- wherein the plurality of acoustic paths include a first acoustic path and a second acoustic path that differs in acoustic impedance from the first acoustic path.
2 more elements
Dependencies are inferred from the claim text.