Speaker

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8233657
APP PUB NO 20100086169A1
SERIAL NO

12440982

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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There is provided a speaker allowing an air in a space between a diaphragm and a frame not to leak outside, and allowing connecting wires electrically connected to the voice coil to be guided out to an outside. A speaker I includes: a frame 4; a magnetic circuit unit 2; a vibrating unit 3; and a wiring structure unit 5. A hole 28 is formed on the frame 4. The magnetic circuit unit 2 is attached to the frame 4. The vibrating unit 3 is received in the frame 4, and includes diaphragms 14, 15 vibrated by the magnetic circuit unit 2. An air in a space surrounded by the diaphragms 14, 15 and the frame 4 is sealed. The wiring structure unit 5 includes a tube member 38, into which lead wires 37 are inserted. The tube member 38 is pressed into a hole 28, and guides the lead wires 37 to an outside of the space.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
PIONEER CORPORATION28-8 HONKOMAGOME 2-CHOME BUNKYO-KU TOKYO 113-0021
TOHOKU PIONEER CORPORATION1105 AZA NIKKOH OAZA KUNOMOTO TENDO-SHI YAMAGATA 994-8585

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fujimoto, Kenta Tendo, JP 10 22
Itoh, Daisuke Tendo, JP 49 560
Kaiya, Teruaki Tendo, JP 17 81

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