US2020404753A9PendingUtilityA9
Portable Lighting Devices
Est. expiryAug 8, 2028(~2 yrs left)· nominal 20-yr term from priority
H05B 47/17H05B 47/165F21V 23/0428F21V 19/047F21V 23/006H05B 47/16Y10T29/49828G01R 19/16542F21V 23/0414F21L 4/005F21L 4/045F21V 23/009H05B 37/0281H05B 37/02H05B 37/0209
66
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Claims
Abstract
A flashlight uses a reverse battery protection circuit to prevent current from flowing in a power control circuit when at least one battery is held in a reversed orientation, rather than a correct orientation, in a battery compartment of the flashlight.
Claims
exact text as granted — not AI-modifiedWhat is claimed is:
1 . A method for preventing a flashlight from operating when at at least one battery is inserted into a battery compartment of the flashlight in a reversed orientation, comprising the steps of using a reverse battery protection circuit to prevent current from flowing in a power control circuit when said at least one battery is held in a reversed orientation, rather than a correct orientation, in the battery compartment.Join the waitlist — get patent alerts
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