Horology: time measuring systems or devices – Chronological – With power monitor
Reexamination Certificate
2005-10-25
2005-10-25
Hirshfeld, Andrew H. (Department: 2854)
Horology: time measuring systems or devices
Chronological
With power monitor
C368S203000, C368S204000, C368S061000
Reexamination Certificate
active
06958954
ABSTRACT:
The invention concerns a device for indicating the state of watch batteries. Said device comprises, in combination: a circuit for determining (34) at least a physical characteristic of the cell (10) which varies when it is nearly discharged, a circuit for metering (36) the power consumed by the watch, a circuit for assessing (40) the capacity rating of the battery, connected to the determining (34) and metering (36) circuits and designed to process data and select the most relevant information derived either from the determining circuit (34), or from the metering circuit (36), means for displaying the state of the battery (38,40,42), and a circuit controlling (39) the display means.
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Boillod Laurent
Haeni Urs
Browning Bushman
Evans Andrea H.
Hirshfeld Andrew H.
ISA France S.A.
Kress Hugh R.
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