Invention Grant
US09324218B2 Personal alarm light apparatus and method 有权
个人报警灯装置及方法

Personal alarm light apparatus and method
Abstract:
A personal alarm light operates as a multi-purpose emergency tool having a power pack of batteries powering a white light beam, as well as a radially emanating red light ring. An audible alarm has a loud, typically high-pitched oscillating sound. A resonance chamber amplifies the sound, which emanates from apertures delivering sound radially away from the resonance chamber. Crowns on each end of the tool provide regions of reduced area and alternating relieved sections about the circumference thereof, in order to provide increased impact pressure from the points when used as hammers to break glass, or as strikers to cut through fabric or other sheet materials.
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