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Manually actuatable wrist alarm having a high-intensity sonic alarm signal
| Details |
Inventors: Leitten, Brian J.; Claypoole, Gary L.; Gallant, Dennis J.; Stepp, Elvin D.; Umans, Kenneth R.;
Assignee: K & B Protection, Inc. (Batesville, IN)
Primary Examiner: Mullen; Thomas
Assistant Examiner:
Attorney, Agent or Firm: McAndrews, Held & Malloy, Ltd.
A personal alarm which can be manually actuated to produce a high-intensity sonic alarm signal, and which is compact, portable and fashionably designed. In one embodiment, this personal alarm is structurally incorporated into a wrist watch with the alarm components arranged thereon in a fanciful yet highly functional manner. This alarm may also be structurally incorporated into other conventional items such as a bracelet, pendant, necklace, keychain ornament, or any other conventional item which is often carried by the persons to be protected. In a further embodiment, the compact size is achieved without sacrificing intensity in the alarm signal by incorporating a specially wound autotransformer and an efficient switching device so as to provide a tuned warbling signal upon a piezoelectric transducer. |
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DETAILED DESCRIPTION What is claimed is: 1.
A compact wrist alarm which is worn on the wrist of a potential victim for producing a high-intensity sonic alarm signal in response to manual actuation by said potential victim to immediately deter an attacker, comprising: a band sized for at least partially encircling a wrist of the potential victim; a housing disposed on a portion of said band; a face plate disposed upon said housing for presenting a face area to the potential victim; a means for defining a sound passageway from the interior to the exterior of said housing; an electronic alarm circuit having an ON and an OFF condition and being disposed within the interior of said housing, said electronic alarm circuit generating a speaker drive signal when in said ON condition; a power source connected to said electronic alarm circuit; an auditory speaker disposed within the interior of said housing and connected to said electronic alarm circuit, said speaker disposed for communicating sound through said sound passageway defining means, said auditory speaker responsive to said drive signal for producing a high intensity sonic alarm signal having an intensity of at least 105 dB at a distance of 2 feet from said housing; and an actuation means connected to said electronic alarm circuit and responsive to manual actuation for placing said circuit in said ON condition.
2.
The wrist alarm of claim 1 wherein said power source comprises a plurality of batteries disposed in an arrangement which conforms to the overall shape of the wrist of the potential victim.
3.
The wrist alarm of claim 2 wherein said plurality of batteries consist of five cylindrical batteries linearly disposed on a further portion of said band opposite said housing.
4.
The wrist alarm of claim 1 wherein said actuation means requires at least two manual actuations for placing said alarm circuitry in said ON condition.
5.
The wrist alarm of claim 4 wherein said actuation means further comprises a pair of switches, each connected to said electronic alarm circuit, said switches being positioned on opposite sides of said housing to operate in response to the application of simultaneous opposing forces
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