With Sliding Coupler Patents (Class 368/104)
  • Patent number: 9563176
    Abstract: 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
    Type: Grant
    Filed: April 21, 2015
    Date of Patent: February 7, 2017
    Assignee: Seiko Epson Corporation
    Inventors: Takashi Kawaguchi, Katsuaki Karasawa, Hideyuki Arai