| 摘要 |
A personal security backpack emits audio alarm signals for attracting attention to a crime scene or crisis situation powered by a portable battery pack and contained within a separate, readily accessible component compartment of the backpack. Two shoulder straps and a spacious main compartment for holding personal items are provided. The alarm system remains concealed under an openable access flap that covers the entire component compartment. Two siren signal generators are disposed within the backpack proximate openings for generating loud distinguishable noise, with the sirens being unmuffled and pointed in opposite directions. A panic switch is mounted on the backpack's shoulder strap to provide easy access for activating the sirens. An adjustable anti-theft strap fastens across the chest, from one shoulder strap to the other, preventing the personal security backpack from easily being taken from the user.
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