Emergency Signal Bracelet

• US 20100309000A1
• Filed: 10/24/2008
• Published: 12/09/2010
• Est. Priority Date: 10/26/2007
• Status: Active Grant

• Current Assignee: Evacuaid AS
• Original Assignee: Evacuaid AS
• Inventors: Andersen, Morten Efraimsen, Munthe-Kaas, Karl A.
• Granted Patent: US 8,390,463 B2
• Time in Patent Office: Days
• US Class Current: 340/573.1
• CPC Class Codes: G08B 21/0446 worn on the body to detect changes of posture, e.g. a fall, inclination, acceleration, gait
• CPC Class Codes: G08B 25/008 Alarm setting and unsetting, i.e. arming or disarming of the security system
• CPC Class Codes: G08B 5/36 using visible light sources
• CPC Class Codes: G08B 7/06 using electric transmission , e.g. involving audible and visible signalling through the use of sound and light sources

Abstract

A bracelet (100) for use during escape in the event of fire, comprising a housing (110) attached to a strap (120) where the housing (110) is pressed against the wrist when the strap (120) is tightened, and where the housing (110) comprises control electronics for warning by sound- and light units, and where the bracelet (100) comprises a device in the housing (110) which is connected to control electronics in order to detect whether the bracelet (100) is in motion or not, and means for controlling transmission of sound and light on the basis of said detection, and an attachment mechanism for the strap (120) to the housing (110) comprising means for activating the bracelet (100) when the strap (120) is tightened round the wrist.

Claims

1. A bracelet (100) for use on a wrist during escape in the event of fire, comprising a housing (110) attached to a strap (120) comprising a first and second part which can be moved relative to each other, thereby enabling the circumference of the strap (120) to be adjusted, and where the housing (110) is pressed against the wrist when the strap (120) is tightened, and where the housing (110) comprises a power supply and control electronics for controlling a sound and light signal warning, and where the bracelet (100) further comprises a device in the housing (110) connected to the control electronics for detecting a status as to whether the bracelet (100) is in motion or not, and means for controlling transmission of sound and light on the basis of the detected status, and where the bracelet (100) is

characterised in that it further comprises an attachment mechanism for the strap (120) to the housing (110) comprising means for activating the control electronics in the bracelet (100) when the strap (120) is tightened round the wrist, as well as for deactivating the control electronics in the bracelet (100) when the strap (120) is slackened off again, and where this is made possible by the said attachment mechanism for the strap (120) comprising a first and second attachment mechanism on opposite sides of the housing (110), where one end of the strap (120) is fastened in the said first attachment mechanism by means of a fastening device (215), and where the other end of the strap (120) is attached to a holding device (210) which is attached to an upper end of a spring mechanism (200) located in a pocket (205) in the housing (110), where the lower end of the spring mechanism (200) is fastened to the housing (110), while the upper end can move freely in a linear movement in the pocket (205), and where the spring mechanism (200) is compressed when the strap (120) is tightened round the wrist, with the result that contact is established in a switch (220) located in the housing (110), and where the switch (220) is connected to the said control electronics, thereby causing the bracelet (100) to be activated.

2. A bracelet (100) according to claim 1,

characterised in that the holding device (210) comprises a magnet (225) which has the effect of establishing contact in the said switch (220) when the spring mechanism (200) is compressed.

3. A bracelet (100) according to claim 1, where in connection with the said first part of the strap (120) there is attached a clamping mechanism (125) which holds the two said parts of the strap (120) together when the end (122) of the second part of the strap (120) is passed through the clamping mechanism (125), and where the clamping mechanism (125) is characterised in that if further comprises a spring device (128) which causes the clamping mechanism (125) to also act as a release mechanism for the bracelet (100) when the spring device (128) is compressed.

4. A bracelet (100) according to claim 1,

characterised in that on the housing (110) there is mounted an automatic release button (240) which when activated has two different functions depending on whether the bracelet (100) is activated or not, where one function is to conduct a status test of the functions of the bracelet (100) when it is not activated, and where the other function is to start transmission of warning sound and light when the bracelet (100) is activated, and where the functions are controlled by the said control electronics.

5. A bracelet (100) according to claim 1,

characterised in that it further comprises a filter (160) which is attached to the strap (120).

6. A bracelet (100) according to claim 1,

characterised in that it is furthermore covered with friction material on its inside in order to permit tightening of the bracelet (100) round the wrist with one movement.

7. A bracelet (100) according to claim 1,

characterised in that it comprises a directional light (130), a strobe light (140) and a sound-generating device (150), where the directional light (130) is employed as a torch for lighting up the environment when the bracelet (100) is activated, and the strobe light (140) and the sound-generating device (150) indicate that the bracelet (100) has not been in motion for a predetermined period.

8. A bracelet (100) according to claim 1,

characterised in that it further comprises means for measuring different status parameters for the person wearing the bracelet (100), where the status parameters include pulse, temperature and blood pressure.

9. A bracelet (100) according to claims 1 and 8,

characterised in that it further comprises a radio transmitter for transmitting a signal which can be used for direction finding, as well as the said different measured status parameters for the person wearing the bracelet (100).