Electricity: measuring and testing – Electrolyte properties – Using a conductivity determining device
Patent
1984-06-22
1987-08-18
Tokar, Michael J.
Electricity: measuring and testing
Electrolyte properties
Using a conductivity determining device
422 28, 134143, 204 321, G01N 2702
Patent
active
046879978
ABSTRACT:
A system for measuring the electrical conductivity of disinfecting and rinsing solutions within a cleansing container includes a power supply for driving a pair of detectors and/or a meter, a conductivity probe for measuring the electrical conductance of the solutions, an oscillator, amplifier, and rectifier circuit, and indicators such as colored lights for indicating the type of solution within the container. The entire measuring system may be miniaturized and provided within the lid of the container. The system is particularly adapted to ensure that the correct steps are taken during the disinfection of contact lenses.
REFERENCES:
patent: 3849723 (1974-11-01), Allen
patent: 3938035 (1976-02-01), Fletcher
patent: 4047100 (1977-09-01), Robinson
patent: 4055797 (1977-10-01), Doeleman
patent: 4156179 (1979-05-01), Stephen
patent: 4206407 (1980-06-01), Bender
patent: 4265727 (1981-05-01), Beckley
patent: 4369104 (1983-01-01), Beckley
patent: 4496906 (1985-01-01), Clack
CooperVision, Inc.
Tokar Michael J.
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