Hair curling appliance power control circuit
First Claim
1. A hair curling appliance including a power control circuit for supplying electrical power from a power source to a heating element of the hair curling appliance, the power control circuit comprising:
- an input for connection to said power source, an output for connection to said heating element, and supply means between the input and the output for supplying power at a first, relatively higher level for a predetermined start-up time interval, and at a second, relatively lower level after the predetermined start-up time interval has elapsed.
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Abstract
A power control circuit for supplying electrical power from a power source to an electrical appliance having a heating element, which circuit comprises an input for connection to a power source, an output for connection to a heating element, and supply elements between the input and the output for supplying power at a first, relatively higher level for a predetermined start-up time interval, and at a second, relatively lower level after the predetermined start-up time interval has elapsed.
After the start-up time interval, first timing elements brings into operation second timing elements which switches a silicon controlled rectifier off or on, via a NAND gate and transistor to supply power intermittently to the heating element.
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Citations
10 Claims
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1. A hair curling appliance including a power control circuit for supplying electrical power from a power source to a heating element of the hair curling appliance, the power control circuit comprising:
- an input for connection to said power source, an output for connection to said heating element, and supply means between the input and the output for supplying power at a first, relatively higher level for a predetermined start-up time interval, and at a second, relatively lower level after the predetermined start-up time interval has elapsed.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
Specification