Horology: time measuring systems or devices – Plural timepiece system or system device – With wireless synchronization
Reexamination Certificate
2006-07-18
2006-07-18
Cuneo, Kamand (Department: 2841)
Horology: time measuring systems or devices
Plural timepiece system or system device
With wireless synchronization
Reexamination Certificate
active
07079451
ABSTRACT:
A time measurement device includes a power generator2, secondary power source31, current time counters922and932, receiver circuit42for receiving a time standard radio wave, time display means5for displaying the current time, power detector83for outputting a power detection signal when the power generator2is in a power generating state or when a voltage stored in the secondary power source31is at a predetermined voltage value, operation mode switcher874switching, in response to the power detection signal, between a power saving mode in which time display is suspended and a standard mode in which time display is not suspended. The operation mode switcher874causes the time display means5to display the current time based on the time information counted by the time counters922and932and the time information received by the receiver circuit in response to the device being switched from the power saving mode to the standard mode.
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Cuneo Kamand
Haro Rosalio
Phan Thanh S.
Seiko Epson Corporation
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