Illumination – Self powered lamp – Rechargeable electrical source of with external connections
Patent
1984-12-19
1986-08-12
Wolfe, Jr., Willis R.
Illumination
Self powered lamp
Rechargeable electrical source of with external connections
362184, 362191, 362200, F21L 700
Patent
active
046059938
ABSTRACT:
A battery operated lamp and battery charger are disclosed. The lamp is equipped with a rechargeable battery and a battery charger stand. The lamp has a lamp support surface with a center terminal, and a second terminal spaced from the center which engages the center terminal and second terminal respectively on the lamp. Thus the two lamp terminals will engage the two respective charge terminals regardless of the position of orientation in which the lamp is placed on the charger. The charger circuit is powered from a power cord connected to a power line through a transformer a full wave rectifier to charging lines. These diodes and a switch are connected in parallel with two diodes. The lamp battery to be charged is connected in parallel with the charging lines. Thus, with the switch closed, the charging voltage is reduced to desired value by a voltage drop caused by the resistor and the three diodes in parallel with the battery. When the battery plates have become "sulfated" due to a complete discharge of the battery, the switch may be opened to give a higher "restore" voltage. A (LED) pilot light is connected through a resistor in parallel with the charging circuit. The pilot light indicates whether the power is on and/or whether the lamp is being charged. Wall mounting lugs are provided on the charger base so that the charger may be conveniently mounted on a wall or other vertical support.
REFERENCES:
patent: 2980889 (1961-04-01), Meissner
patent: 3829676 (1974-08-01), Nelson et al.
patent: 4029954 (1977-06-01), Moyer
patent: 4171534 (1979-10-01), Strowe
patent: 4181928 (1980-01-01), Zelina
patent: 4325107 (1982-04-01), MacLeod
Lighting Systems Inc.
Lovercheck Charles L.
Lovercheck Dale R.
Lovercheck Wayne L.
Wolfe, Jr. Willis R.
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