Device indicating the state of batteries designed to equip a...

Horology: time measuring systems or devices – Chronological – With power monitor

Reexamination Certificate

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Details

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.

REFERENCES:
patent: 3823551 (1974-07-01), Riehl
patent: 4058969 (1977-11-01), Tamaru et al.
patent: 4290129 (1981-09-01), Ushikoshi
patent: 4690568 (1987-09-01), Odagiri et al.
patent: 5446702 (1995-08-01), Mossuz et al.
patent: 5691078 (1997-11-01), Kozaki et al.
patent: 6320822 (2001-11-01), Okeya et al.
patent: 684623 (1994-11-01), None
patent: 0 713 101 (1996-05-01), None
patent: 58-061488 (1983-04-01), None
patent: WO 99/05538 (1999-02-01), None

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