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US 5,184,110 AGranted
Handle-attachable suitcase alarm
OwnerMing-Gin Hornginventor
Life of this patent
Estimating the term…
Abstract
An alarm for attachment to the handle of a suitcase and including a cover provided with contact faces and a conduction strip which activates a battery operated alarm when an unauthorized individual grips the cover to complete an electrical circuit.
Claims4
An alarm for attachment to the handle of a suitcase comprising:
- a) a soft cover of steady insulation impedance for attachment to a handle of suitcase, the cover including plural contact faces and means for detachably securing the cover around the handle;
- b) a conduction strip including two conduction sections, two ends attached to the cover, plural connection ears, each connection ear provided with a first through hole formed therein, and plural second through holes formed in the conduction strip;
- c) a housing including a top cover, a loudspeaker screen, a battery cover, a seat having a square cotter, a plurality of switch openings and a base board mounted on the seat;
- d) an alarm means including an alarm circuit having an alarm IC, two transistors, a resistor, a power switch, a battery and a loudspeaker;
- and
- e) conductor terminals for connecting the alarm circuit to the connection ears, wherein bridging of the contact faces by an unauthorized human hand gripping the handle of a suitcase to which the cover is attached completes the circuit and triggers the alarm means.
3 more elements
Dependencies are inferred from the claim text.