Electricity: measuring and testing – Electrolyte properties – Using a battery testing device
Patent
1995-04-11
1996-08-27
Tokar, Michael
Electricity: measuring and testing
Electrolyte properties
Using a battery testing device
324427, H02J 704, G01N 27416, G01R 3136
Patent
active
055504752
ABSTRACT:
A programmable battery charge indicator including a pair of electrically-conductive terminals coupleable to a test battery; a user-actuated and timer-controlled power delivery mechanism coupled with the terminals for allowing transmission of electrical power from a test battery for a given period of time; a reference voltage generating mechanism coupled to the power delivery mechanism for generating a standard battery reference voltage and a user-programmed battery reference voltage; a comparator mechanism coupled to the reference voltage generating mechanism and power delivery mechanism for generating an overcharged designator signal representing an overcharged battery condition and for generating an undercharged designator signal representing an undercharged battery condition; and a display mechanism operatively coupled to the comparator mechanism and power delivery mechanism for indicating the charge condition on a test battery and displaying the optimum level of discharge state at which the test battery should be recharged to maximize battery life.
REFERENCES:
patent: 4560937 (1985-12-01), Finger
patent: 5357203 (1994-10-01), Landau et al.
patent: 5454710 (1995-10-01), Landau et al.
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