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United States of America Patent

PATENT NO 5143434
SERIAL NO

07676983

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The light emitting diode to illuminate the indicating portion of the pointer and the face plate through the light conductive member is fixedly mounted on a drive unit that rotates the pointer shaft according to the amount of a measured quantity. The light emitting diode is installed in center openings formed in the pointer, face plate and light conducting member, the light conducting member being attached to the underside of the face plate to illuminate letters on the face plate. The light emitting portion of the diode is formed cylindrical so as to allow the pointer shaft to be fixed to the pointer inside the hollow portion of the cylindrical light emitting portion, so that light radiated from the light emitting portion is reliably introduced into the indicator portion of the pointer and also to the light conducting member. Thus construction simplifies the power supply path leading from the drive unit to the light emitting diode.

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First Claim

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Patent Owner(s)

  • YAZAKI CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Iwazaki, Minoru Shizuoka, JP 3 30
Ohta, Noriaki Shizuoka, JP 8 63
Shiratori, Hiroyasu Shizuoka, JP 5 57

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