H - Electricity – 02 – H
Patent
H - Electricity
02
H
H02H 7/18 (2006.01) H02H 7/20 (2006.01)
Patent
CA 2544953
An electrical protection circuitry (54) for a docking station base (20) of a hand held meter (10) and method thereof are disclosed. In the event of a short circuit at a meter interface connector (26), the protection circuitry removes power at the meter interface connector. Similarly, in the event of an applied voltage outside a specified operating range of the base, the protection circuitry removes power to the meter interface connector. These conditions of the electrical system (46) of the base are monitored regardless whether the meter or the meter's battery is electrically connected to the base. The protection circuitry also provides a visual indication (22) in the event of either the over current and under/over voltage conditions. Additionally, the base is designed to prevent liquid from pooling inside a cradle portion (36) used to cradle and hold the meter in the base through the use of a drain (30) located at the lowest point in the cradle portion.
Ecoff Clint Alan
Edwards Scott Alan
Hartmann James Joseph
Kurtock James R.
Ramey Blaine Edward
F. Hoffmann-La Roche Ag
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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