ALARM CIRCUIT
PURPOSE:Control of the operation or non-operation time of the alarm unit by introducing PTC element whose resistance charply increases with a rise in temperature into the alarm circuit.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | PURPOSE:Control of the operation or non-operation time of the alarm unit by introducing PTC element whose resistance charply increases with a rise in temperature into the alarm circuit. |
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