Magnet and reed switch/lock

Details Magnet and reed switch/lock Magnet and reed switch/lock

1999-02-19

2000-07-25

Walberg, Teresa

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219230, H05B 102

Patent

active

06093915&

ABSTRACT:
This disclosure sets out a soldering wand control system. With a wand having a heated tip, a heater element and a thermostat for measuring tip temperature, an output signal of tip temperature is provided. Using an analog to digital converter, tip temperature is transmitted to a CPU along with a set point temperature. The CPU also connects with a binary switch which is toggled to input an operator generated signal for changing tip temperature. In the preferred form, the binary switch is a reed switch which is physically mounted for easy operation by an operator moved magnet. This enables easy input of a binary signal for changing the circuit and its operation. In one form, the binary switch is a reed switch mounted on a printed circuit board within the cabinet and is magnetically sensitive by virtue of an external magnet which causes operation.

REFERENCES:
patent: 4766289 (1988-08-01), Santoro et al.
patent: 5054106 (1991-10-01), Fortune
patent: 5380982 (1995-01-01), Fortune
patent: 5483040 (1996-01-01), Fortune

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