Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1987-11-24
1989-08-08
Swann III, Glen R.
Communications: electrical
Condition responsive indicating system
Specific condition
340384E, 340661, 340693, G08B 2100, G08B 2500
Patent
active
048557218
ABSTRACT:
An alarm apparatus is provided for a freezer having a body and a closure member. The alarm apparatus has an electrical control unit having a power supply input. An alarm device and a temperature sensor are connected to the control unit. The temperature sensor is adapted for mounting in the freezer, for detecting temperatures exceeding a pre-set temperature. A flexible lead is provided for connecting at least two of the control unit, the alarm device and the temperature sensor together. The lead has a cross-section enabling it to extend between the lid and the body of a freezer, while permitting closure thereof. The alarm apparatus can include a second lead connecting the alarm device to the control unit, to enable the alarm device to be placed at a location remote from the freezer.
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Hallett Robert
Ketelaar, Jr. Edward
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