Silent wearable signaling device with tactile means to...

Details Silent wearable signaling device with tactile means to... Silent wearable signaling device with tactile means to...

C - Chemistry, Metallurgy

08

B

340/125

C08B 13/02 (2006.01) G08B 6/00 (2006.01) G08B 13/00 (2006.01) G08B 21/04 (2006.01)

Patent

CA 1130884

SILENT WEARABLE SIGNALING DEVICE WITH TACTILE MEANS TO PREVENT FALSE TRIGGERING ABSTRACT A concealable signaling, e.g., radio alarm, device worn on the person and actuated by concealed switch means that include mechanical detents. The engagement of the detents provides secret tactile information back to the wearer. The presently preferred embodiment is a miniature radio alarm transmitter concealed in a device which also serves as a belt buckle. The wearer distends his waist to actuate the transmitter. Tension in the belt moves an element through one or more detent engagements before it activates the transmitter. These detent engagements make transient changes in the belt tension which are felt by the wearer; these inform the wearer of impending activation, so preventing false transmitter signals or alarms.

335073

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