Time measurement device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9563176
APP PUB NO 20150309479A1
SERIAL NO

14692111

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A time measurement device includes: a higher-digit indication hand that is configured to indicate a higher digit of a measured time; a lower-digit indication hand that is configured to reciprocate and indicate a lower digit of the measured time on a forward route and on a return route; a first drive unit that is configured to drive the higher-digit indication hand; a second drive unit that is configured to drive the lower-digit indication hand; a time counter that is configured to measure a time; a first drive controller that is configured to control the first drive unit to drive the higher-digit indication hand based on the measured time measured by the time counter; and a second drive controller that is configured to control the second drive unit to drive the lower-digit indication hand based on the measured time measured by the time counter, the second drive controller reciprocating the lower-digit indication hand at a predetermined period, and the first drive controller moving the higher-digit indication hand at a time interval equal to or less than a half of the predetermined period.

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First Claim

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Patent Owner(s)

  • CASIO COMPUTER CO., LTD.;SEIKO EPSON CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arai, Hideyuki Hamura, JP 73 1241
Karasawa, Katsuaki Hamura, JP 4 83
Kawaguchi, Takashi Nagano, JP 94 1534

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