Contact lens disinfecting circuit

Details Contact lens disinfecting circuit Contact lens disinfecting circuit

1975-07-18

1977-09-27

Truhe, J. V.

Electric heating

Heating devices

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

219492, H05B 102

Patent

active

040513483

ABSTRACT:
An electrical circuit for use in a contact lens care unit for disinfecting lenses includes two thermostats one of which is manually set to electrically energize a heating device for disinfecting lenses and an indicator element for providing visible representation of the operational state of the unit. The second of which thermostats automatically energizes to provide a parallel electrical energizing path to the indicator for a period of time after the first thermostat automatically deenergizes the heating device. The indicator is thereby continually energized throughout a complete contact lens care cycle to provide prominent representation of the operational state of the unit.

REFERENCES:
patent: 3612826 (1971-10-01), Deaton
patent: 3621202 (1971-11-01), Gemert

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