Method and device for providing an alarm
First Claim
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1. A wearable personal emergency response device for providing an alarm, the device comprising:
- a housing;
a strap coupled to the housing for wearing in use the device attached to a wrist of a user, a belt coupled to the housing for wearing in use the device attached to a waist of a user, or a cord coupled to the housing for wearing the device around a neck of a user;
whereinthe device further comprises a component having an electrical characteristic, the housing is further coupled to the component, the electrical characteristic being changeable in response to a pulling force acting on the housing; and
wherein the device is arranged to provide the alarm in response to a measured change in the electrical characteristic of the component, wherein the outside of the housing comprises two or more conductive elements;
the device being arranged to measure an impedance between the conductive elements; and
wherein the alarm is activated further in response to a detected change of the impedance between the elements.
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Abstract
There is provided a method and device (2) for providing an alarm (7) on request of a person (1). The person is wearing the device that is attached with attachment means (3, 4, 5) to the wrist or other part of the body. A pulling force (6) of the person acting on the device causes a change in an electrical characteristic of a component (301) included in the device. The change of the electrical characteristic is measured and when detected will result in an activation of the alarm.
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Citations
11 Claims
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1. A wearable personal emergency response device for providing an alarm, the device comprising:
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a housing; a strap coupled to the housing for wearing in use the device attached to a wrist of a user, a belt coupled to the housing for wearing in use the device attached to a waist of a user, or a cord coupled to the housing for wearing the device around a neck of a user;
whereinthe device further comprises a component having an electrical characteristic, the housing is further coupled to the component, the electrical characteristic being changeable in response to a pulling force acting on the housing; and
wherein the device is arranged to provide the alarm in response to a measured change in the electrical characteristic of the component, wherein the outside of the housing comprises two or more conductive elements;
the device being arranged to measure an impedance between the conductive elements; and
wherein the alarm is activated further in response to a detected change of the impedance between the elements. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification