Safety device for battery-operated watches
A safety device for battery-operated watches including an indicator device and an accumulator connected in parallel with the battery supplying the electronic circuit of the watch. The battery charges up the accumulator during normal use and when the battery runs down the indicator device gives a vis...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | A safety device for battery-operated watches including an indicator device and an accumulator connected in parallel with the battery supplying the electronic circuit of the watch. The battery charges up the accumulator during normal use and when the battery runs down the indicator device gives a visual indication of battery condition and the accumulator continues to provide current to the electronic circuit of the watch for a time to enable the battery to be replaced. |
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