Boots – shoes – and leggings
Patent
1993-12-13
1996-07-23
Ramirez, Ellis B.
Boots, shoes, and leggings
331185, 331117FE, 331 66, 431 80, F23Q 908, H03B 512
Patent
active
055396720
ABSTRACT:
A temperature control circuit which is capable of operating a microprocessor on a very low voltage source. The temperature control circuit uses a pair of field effect transistors and a zener diode in an oscillator circuit to amplify the source voltage. A microprocessor is supplied by the amplified source voltage, and is connected through a transistor to a temperature sensing portion of the circuit. The microprocessor uses the transistor to turn the power to the temperature sensing circuit portion off between temperature samples. By turning the temperature sensing circuit power off between samples, the average power drain by the control circuit is an amount that can be met by the amplified voltage from the low voltage source.
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Lepore Raymond M.
Mullin Paul S.
Hobart Corporation
Kemper M.
Ramirez Ellis B.
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