| 摘要 |
<p>1,219,727. Automatic temperature control systems. HOLZER PATENT A. G. May 6, 1969 [May 9, 1968], No.23089/69. Heading G3R. An electronic regulator 5, controlling a heater 9 in a heating or cooking appliance, is controlled by a time switch 3 having contacts 4 either in the regulator supply or cam plating an internal circuit, Fig.2 (not shown). Heater 9 may be controlled through relay contacts 7, 8, a transistor, a triac, or other semiconductor component. A resistor 6 senses the heater temperature.</p> |
