专利名称：TEMPERATURE-SENSITIVE CONTROL
CIRCUIT
发明人：AHMED A,US申请号：US33123473申请日：19730209公开号：US3825778A公开日：19740723
摘要：A temperature sensitive switching circuit includes a current source supplyingtwo groups of serially connected diodes. The number of such diodes in the first group issmaller than that in the second so that the first group drawn substantially all of thesource current and the second only an infinitesimal portion of this current. Astemperature increases, the voltage across both groups of diodes decrease, but theability of the second group to carry a substantial amount of current increases at a morerapid rate than this decreased voltage would tend to reduce such current, and increasesnon-linearly with temperature above a given threshold temperature. This non-linearincrease in current flow may be used to sense temperature change and also to controlthe power responsible, either directly or indirectly, for this temperature change.
申请人：RCA CORP,US
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