TONE ARM AND RECORD PLAYER

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20230124443A1
SERIAL NO

18069972

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A tone arm according to an embodiment includes: a first arm configured to rotate around a rotation shaft in a horizontal direction of a record; a second arm configured to rotate around a free fulcrum of the first arm as the first arm rotates; a motor configured to rotatably drive the first arm; and a controller configured to control a phase angle of the motor so that the second arm is disposed with a longitudinal axis thereof extends in a tangent direction of a groove of the record at a contact position of a stylus attached to a tip portion of the second arm and the groove of the record.

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Patent Owner(s)

Patent OwnerAddress
OGASAWARA PRECISION LABORATORY CO LTDASHIGARAKAMI-GUN KANAGAWA-KEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ogasawara, Hiroomi Iwate, JP 12 91

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