WO2014077728A1 - Life saving wristband (variants) - Google Patents

Life saving wristband (variants) Download PDF

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Publication number
WO2014077728A1
WO2014077728A1 PCT/RU2013/000176 RU2013000176W WO2014077728A1 WO 2014077728 A1 WO2014077728 A1 WO 2014077728A1 RU 2013000176 W RU2013000176 W RU 2013000176W WO 2014077728 A1 WO2014077728 A1 WO 2014077728A1
Authority
WO
WIPO (PCT)
Prior art keywords
wristband
chamber
life saving
designed
filling
Prior art date
Application number
PCT/RU2013/000176
Other languages
French (fr)
Inventor
Pavel Petrovich MUKHORTOV
Original Assignee
Mukhortov Pavel Petrovich
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mukhortov Pavel Petrovich filed Critical Mukhortov Pavel Petrovich
Publication of WO2014077728A1 publication Critical patent/WO2014077728A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/13—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist
    • B63C9/15—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist having gas-filled compartments
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44C—PERSONAL ADORNMENTS, e.g. JEWELLERY; COINS
    • A44C5/00—Bracelets; Wrist-watch straps; Fastenings for bracelets or wrist-watch straps
    • A44C5/0007—Bracelets specially adapted for other functions or with means for attaching other articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C9/00—Life-saving in water
    • B63C9/08—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like
    • B63C9/13—Life-buoys, e.g. rings; Life-belts, jackets, suits, or the like attachable to body member, e.g. arm, neck, head or waist

Definitions

  • the invention is set in the field of sea rescue (a miniature compact device that ensures rescue to a swimmer, as a beginner and as experienced swimmer, as well is case he/she loses buoyancy) and, in particular, to an individual wearable buoyant belongings that may be used on beaches, in emergency situations, and on vessels as an individual lifesaver for self-rescue in water, affordable and easy to use for everyone.
  • sea rescue a miniature compact device that ensures rescue to a swimmer, as a beginner and as experienced swimmer, as well is case he/she loses buoyancy
  • an individual wearable buoyant belongings may be used on beaches, in emergency situations, and on vessels as an individual lifesaver for self-rescue in water, affordable and easy to use for everyone.
  • a device for sea rescue contains an inflatable element comprises a belt with a buckle and a vessel with compressed gas connected to an end of the inflatable element and containing a wall that separates the volumes of the vessel and the inflatable element and the design of the wall still includes a destructible part (USDn patent No. 2094299, class B63C 9/15, published on 27.10.1997).
  • the object of the invention was to create a more comfortable individual lifesaver that would be compact, would not hinder the swimmer's motions, would not be easily noticeable for public or, in some cases, could be used as a decoration worn on the wrist (as a bracelet or wrist watch) or forearm as a designer band.
  • the goal of the proposed invention is to make swimming or bathing in an open air water reservoir more comfortable owing to the usage of the rescue wristband worn on the body that may be fixed both on the swimmer's wrist or forearm using different fasteners chosen depending on the swimmer's preferences or be fixed in a special way on the swimmer's slips ensuring, if required, rapid activation of the inflatable buoyance chamber to maintain the upper part of the swimmer's body above the water surface.
  • the specified goal is accomplished through the rescue wristband containing a length- adjustable fastener band with a buckle (or touch-fastener or a rubber band whose length may be adjusted with a buckle or is designed as a bundle without a buckle), an inflatable elastic buoyance chamber tightly rolled and placed into a pocket running along the wristband perimeter, a system for filling the chamber with gas that is designed, for example, as a vessel containing compressed air, and a device for activating the filling-in system that contains a lanyard. If the chamber is filled in with gas, it expands from the pocket and form an almost circular chamber filled-in with gas. The size of the miniature wristband may be adjusted to the swimmer's arm.
  • the inflatable buoyance chamber may be designed as consisting of more than one section.
  • the wristband since after being inflated the wristband has the shape of several mutually connected spherical or oblong bodies (the number of which is the same as the number of the sections), the device may be used in a more comfortable way.
  • the technical result of the universal compact rescue wristband that may be used as an individual lifesaver is it may be produced in cost-efficient way, used with comfort owing to easy activation to the working state and its length is easily adjustable to the size of the swimmer's arm due to using an adjustable fixture or being designed as an elastic bundle.
  • the rescue wristband may be designed in 5 versions differing by the fastener employed.
  • Fig. 1 shows the general view of the life saving wristband when not it's in use.
  • Fig. 2 shows a view of the rescue wristband with a length-adjustable touch fastener (variant 1 )
  • Fig. 3 shows a view of the life saving wristband with a press-button fastener (variant 2)
  • Fig. 4 shows a view of the life saving wristband with an adjustable micrometric fastener (variant 3)
  • Fig. 5 shows a view of the life saving wristband with a buckle-type fastener (variant 4)
  • Fig. 6 shows a view of the life saving wristband designed as a bundle with a clip-type fastener (variant 5)
  • the life saving wristband (1) is designed as a hollow gas-filled inflatable elastic buoyance chamber (2) tightly rolled and placed into a pocket running along the wristband perimeter.
  • the buoyance chamber is made of an air-tight material and has the shape of an open circle.
  • the life saving wristband has a two-part fastener (3) that may be designed in different versions (as a length-adjustable pressure fastener, an adjustable micrometric fastener, a length-adjustable buckle-type fastener, a length- adjustable touch fastener, or as an elastic bundle without a fastener).
  • the system that fills the chamber with gas (4) may be designed as, for example, a vessel containing compressed air (and the vessel itself may be designed in different shapes that allow the device to have small dimensions, be attractive, and look like a decoration - as a narrow and not thick plate or as a wrist watch casing) and the device that activates the filling-in system (5) has a lanyard that, to prevent hanging loose or being incidentally pulled, will be covered with the thinnest rubber foil (6), which can be easily removed even by a child, expands from the pocket when the chamber is filled with gas and takes the form of a C-shaped buoyance chamber on the ends of which a length-adjustable fastener is fixed.
  • the inflated chamber is additionally fixed to the arm and is pressed around it.
  • a length-adjustable band with a fastener or a length-adjustable fastener is fixed that is used to fix the wristband on the man's wrist or forearm. Therefore, when swimming in a water reservoir, the rescue wristband looks like a regular bracelet; it allows the user to swim not putting his/her life under hazard and always having handy a rescue buoy that will keep the swimmer on the surface, help him/her reach the shore, and is easily noticeable, owing to its bright color, to potential rescuers.
  • the wristband may be designed as an extendable bundle (version 5) without a fastener and have instead a clip-type fixing device (7) one end of which is fixed to the wristband and the free end is fixed to swimming slips.
  • a clip-type fixing device one end of which is fixed to the wristband and the free end is fixed to swimming slips.
  • the swimmer can rapidly unfasten the wristband from the swimming slips and put it on his/her own or other swimmer's hand having passed the hand through the tightened bundle ring; if used permanently during swimming, such tightening would be uncomfortable; however, if used for a short time during the period of danger, this is a reliable way of fixing the wristband on the arm that only requires for fixing to pass the hand through the device.
  • the rescue wristband operates in the following way:
  • the user puts the safety wristband on the arm (on the wrist like wrist watch or on the forearm as a decorative band similar to how children put on swimming-aid sleeves; but the wristband is not inflated) and fixes the fastener having adjusted it to the arm size. If necessary, the user should activate the rescue wristband to the working state. To do so, using string 6, he/she must open gas vessel 4. The hollow buoyance chamber is filled then with gas and takes the form of a life ring (or sleeves like those used by children), owing to which the user can stay afloat for a long time (waiting to be rescued or swimming to the shore). When the rescue wristband becomes unnecessary, it can be unfixed and left in water.
  • the gas-filled buoyance chamber saves the swimmer from drowning in a critical situation and thus prevents water accidents.
  • the design of the proposed rescue wristband may be attractive. Due to simple design and small dimensions, the cost of the device is not high.
  • the proposed device may be widely used as a lifesaver on riverine and marine vessels and as an individual lifesaver for swimmer and bathers.

Abstract

The invention is set in the field of sea rescue (a miniature compact device that ensures rescue to a swimmer, as a beginner and as experienced swimmer, as well is case he/she loses buoyancy) and, in particular, to an individual wearable buoyant belongings that may be used on beaches, in emergency situations, and on vessels as an individual lifesaver for self-rescue in water, affordable and easy to use for everyone. Life saving wristband contains inflatable elastic buoyancy chamber, tightly roller and placed in a pocket along the wristband, a system for filing in the chamber with gas designed, for example, as a vessel containing compressed air, and the buoyancy chamber is designed in a such a way that is can be filled with gas and expand from the pocket faking the form of C-shaped buoyancies chamber characterized in that it contains a length - adjustable fastener can be made in different variants: touch fastener; pressure fastener; micrometric fastener; buckle-type fastener; elastic bundle with a clip-type fastener for Life saving wristband.

Description

LIFE SAVING WRISTBAND (variants)
The invention is set in the field of sea rescue (a miniature compact device that ensures rescue to a swimmer, as a beginner and as experienced swimmer, as well is case he/she loses buoyancy) and, in particular, to an individual wearable buoyant belongings that may be used on beaches, in emergency situations, and on vessels as an individual lifesaver for self-rescue in water, affordable and easy to use for everyone.
There is known a device for sea rescue contains an inflatable element comprises a belt with a buckle and a vessel with compressed gas connected to an end of the inflatable element and containing a wall that separates the volumes of the vessel and the inflatable element and the design of the wall still includes a destructible part (Russian patent No. 2094299, class B63C 9/15, published on 27.10.1997).
Disadvantages of this lifesaver are only to be worn on the waist of a human as result of which its usage is less comfortable, large dimensions and weight as compared to the declared technical design, and large amounts of materials are required for producing the device.
The object of the invention was to create a more comfortable individual lifesaver that would be compact, would not hinder the swimmer's motions, would not be easily noticeable for public or, in some cases, could be used as a decoration worn on the wrist (as a bracelet or wrist watch) or forearm as a designer band.
The goal of the proposed invention is to make swimming or bathing in an open air water reservoir more comfortable owing to the usage of the rescue wristband worn on the body that may be fixed both on the swimmer's wrist or forearm using different fasteners chosen depending on the swimmer's preferences or be fixed in a special way on the swimmer's slips ensuring, if required, rapid activation of the inflatable buoyance chamber to maintain the upper part of the swimmer's body above the water surface. The specified goal is accomplished through the rescue wristband containing a length- adjustable fastener band with a buckle (or touch-fastener or a rubber band whose length may be adjusted with a buckle or is designed as a bundle without a buckle), an inflatable elastic buoyance chamber tightly rolled and placed into a pocket running along the wristband perimeter, a system for filling the chamber with gas that is designed, for example, as a vessel containing compressed air, and a device for activating the filling-in system that contains a lanyard. If the chamber is filled in with gas, it expands from the pocket and form an almost circular chamber filled-in with gas. The size of the miniature wristband may be adjusted to the swimmer's arm.
The inflatable buoyance chamber may be designed as consisting of more than one section. In this case, since after being inflated the wristband has the shape of several mutually connected spherical or oblong bodies (the number of which is the same as the number of the sections), the device may be used in a more comfortable way.
The technical result of the universal compact rescue wristband that may be used as an individual lifesaver is it may be produced in cost-efficient way, used with comfort owing to easy activation to the working state and its length is easily adjustable to the size of the swimmer's arm due to using an adjustable fixture or being designed as an elastic bundle.
The rescue wristband may be designed in 5 versions differing by the fastener employed.
Presence of the new features differing from the prototype indicates that the proposed technical solution met the 'novelty' requirements.
List of figures on the drawings:
Fig. 1 shows the general view of the life saving wristband when not it's in use.
Fig. 2 shows a view of the rescue wristband with a length-adjustable touch fastener (variant 1 ) Fig. 3 shows a view of the life saving wristband with a press-button fastener (variant 2)
Fig. 4 shows a view of the life saving wristband with an adjustable micrometric fastener (variant 3)
Fig. 5 shows a view of the life saving wristband with a buckle-type fastener (variant 4)
Fig. 6 shows a view of the life saving wristband designed as a bundle with a clip-type fastener (variant 5)
The life saving wristband (1) is designed as a hollow gas-filled inflatable elastic buoyance chamber (2) tightly rolled and placed into a pocket running along the wristband perimeter. The buoyance chamber is made of an air-tight material and has the shape of an open circle. The life saving wristband has a two-part fastener (3) that may be designed in different versions (as a length-adjustable pressure fastener, an adjustable micrometric fastener, a length-adjustable buckle-type fastener, a length- adjustable touch fastener, or as an elastic bundle without a fastener).
The system that fills the chamber with gas (4) may be designed as, for example, a vessel containing compressed air (and the vessel itself may be designed in different shapes that allow the device to have small dimensions, be attractive, and look like a decoration - as a narrow and not thick plate or as a wrist watch casing) and the device that activates the filling-in system (5) has a lanyard that, to prevent hanging loose or being incidentally pulled, will be covered with the thinnest rubber foil (6), which can be easily removed even by a child, expands from the pocket when the chamber is filled with gas and takes the form of a C-shaped buoyance chamber on the ends of which a length-adjustable fastener is fixed. The inflated chamber is additionally fixed to the arm and is pressed around it.
On the ends of the wristband made of a waterproof material a length-adjustable band with a fastener or a length-adjustable fastener is fixed that is used to fix the wristband on the man's wrist or forearm. Therefore, when swimming in a water reservoir, the rescue wristband looks like a regular bracelet; it allows the user to swim not putting his/her life under hazard and always having handy a rescue buoy that will keep the swimmer on the surface, help him/her reach the shore, and is easily noticeable, owing to its bright color, to potential rescuers.
The wristband may be designed as an extendable bundle (version 5) without a fastener and have instead a clip-type fixing device (7) one end of which is fixed to the wristband and the free end is fixed to swimming slips. In case of danger, the swimmer can rapidly unfasten the wristband from the swimming slips and put it on his/her own or other swimmer's hand having passed the hand through the tightened bundle ring; if used permanently during swimming, such tightening would be uncomfortable; however, if used for a short time during the period of danger, this is a reliable way of fixing the wristband on the arm that only requires for fixing to pass the hand through the device..
The rescue wristband operates in the following way:
The user puts the safety wristband on the arm (on the wrist like wrist watch or on the forearm as a decorative band similar to how children put on swimming-aid sleeves; but the wristband is not inflated) and fixes the fastener having adjusted it to the arm size. If necessary, the user should activate the rescue wristband to the working state. To do so, using string 6, he/she must open gas vessel 4. The hollow buoyance chamber is filled then with gas and takes the form of a life ring (or sleeves like those used by children), owing to which the user can stay afloat for a long time (waiting to be rescued or swimming to the shore). When the rescue wristband becomes unnecessary, it can be unfixed and left in water.
Thus, the gas-filled buoyance chamber saves the swimmer from drowning in a critical situation and thus prevents water accidents. The design of the proposed rescue wristband may be attractive. Due to simple design and small dimensions, the cost of the device is not high.
The proposed device may be widely used as a lifesaver on riverine and marine vessels and as an individual lifesaver for swimmer and bathers.

Claims

Invention's formula
1. Life saving wristband contains an inflatable elastic buoyance chamber tightly rolled and placed in a pocket along the wristband perimeter, a system for filling in the chamber with gas designed, for example, as a vessel containing compressed air, and a device for activating the filling-in system that has a lanyard; and the buoyance chamber is designed in a such a way that is can be filled with gas and expand from the pocket taking the form of a C-shaped buoyance chamber characterized in that it contains a length-adjustable touch fastener.
2. Life saving wristband claimed in item 1 characterized in that it can be equipped with watch.
3. Life saving wristband claimed in item 1 characterized in that the inflatable elastic chamber may have a section design.
4. Life saving wristband claimed in item 1 characterized in that the lanyard has a ring that is protected against incidental activation of the filling-in system with a sticky tape.
5. Life saving wristband that contain an inflatable elastic buoyance chamber tightly rolled and placed in a pocket along the wristband perimeter, a system for filling in the chamber with gas designed, for example, as a vessel containing compressed air, and a device for activating the filling-in system that has a lanyard; and the buoyance chamber is designed in a such a way that is can be filled with gas and expand from the pocket taking the form of a C-shaped buoyance chamber characterized in that it contains a length-adjustable band with a two-piece fastener designed as a pressure fastener.
6. Life saving wristband claimed in item 5 characterized in that it can be equipped with watch.
7. Life saving wristband claimed in item 5 characterized in that the inflatable elastic chamber may have a section design.
8. Life saving wristband claimed in item 5 characterized in that the lanyard has a ring that is protected against incidental activation of the filling-in system with a sticky tape.
9. Life saving wristband that contain an inflatable elastic buoyance chamber tightly rolled and placed in a pocket along the wristband perimeter, a system for filling in the chamber with gas designed, for example, as a vessel containing compressed air, and a device for activating the filling-in system that has a lanyard; and the buoyance chamber is designed in a such a way that is can be filled with gas and expand from the pocket taking the form of a C-shaped buoyance chamber characterized in that it contains a length-adjustable micrometric fastener.
10. Life saving wristband claimed in item 9 characterized in that it can be equipped with watch.
11. Life saving wristband claimed in item 9 characterized in that the inflatable elastic chamber may have a section design.
12. Life saving wristband claimed in item 9 characterized in that the lanyard has a ring that is protected against incidental activation of the filling-in system with a sticky tape.
13. Life saving wristband that contain an inflatable elastic buoyance chamber tightly rolled and placed in a pocket along the wristband perimeter, a system for filling in the chamber with gas designed, for example, as a vessel containing compressed air, and a device for activating the filling-in system that has a lanyard; and the buoyance chamber is designed in a such a way that is can be filled with gas and expand from the pocket taking the form of a C-shaped buoyance chamber characterized in that it contains a length-adjustable band with a buckle-type fastener.
14. Life saving wristband claimed in item 13 characterized in that it can be equipped with watch.
15. Life saving wristband claimed in item 13 characterized in that the inflatable elastic chamber may have a section design.
16. Life saving wristband claimed in item 13 characterized in that the lanyard has a ring that is protected against incidental activation of the filling-in system with a sticky tape.
17. Life saving wristband that contain an inflatable elastic buoyance chamber tightly rolled and placed in a pocket along the wristband perimeter, a system for filling in the chamber with gas designed, for example, as a vessel containing compressed air, and a device for activating the filling-in system that has a lanyard; and the buoyance chamber is designed in a such a way that is can be filled with gas and expand from the pocket taking the form of a C-shaped buoyance chamber characterized in that it is designed as an elastic bundle and has a clip-type fastener for fixing it to swimming slips.
18. Life saving wristband claimed in item 17 characterized in that the inflatable elastic chamber may have a section design.
PCT/RU2013/000176 2012-11-19 2013-03-07 Life saving wristband (variants) WO2014077728A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
RU2012148963 2012-11-19
RU2012148963/11A RU2518693C1 (en) 2012-11-19 2012-11-19 Survival bracelet

Publications (1)

Publication Number Publication Date
WO2014077728A1 true WO2014077728A1 (en) 2014-05-22

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PCT/RU2013/000176 WO2014077728A1 (en) 2012-11-19 2013-03-07 Life saving wristband (variants)

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WO (1) WO2014077728A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104793548A (en) * 2015-04-22 2015-07-22 河海大学常州校区 Sand beach safety management system and sand beach safety management method based on smart band
CN104794859A (en) * 2015-04-29 2015-07-22 苏州骄子信息科技有限公司 Drowning positioning wristband
CN106033187A (en) * 2015-03-12 2016-10-19 宏碁股份有限公司 Smart watch having touch control watchband
CN106275314A (en) * 2016-08-29 2017-01-04 陈亚东 Vehicle is paddled personnel escape's system
US11851149B2 (en) 2019-04-07 2023-12-26 Sea Ark Technologies Ltd. Emergency flotation device using compressed gas

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028778A (en) * 1975-07-07 1977-06-14 Bardoni Thomas J Underwater belt and hose clip
JPH0268295A (en) * 1988-08-31 1990-03-07 Tokuzo Hirose Life saving tool
SU1750642A1 (en) * 1990-06-05 1992-07-30 Завод "Камертон" Научно-Производственного Объединения "Интеграл" Им.Хху Съезда Кпсс Watch wristlet
US5374212A (en) * 1993-07-30 1994-12-20 Lall; Deo N. Personal flotation equipment
AU1352895A (en) * 1994-02-28 1995-09-07 Sava Safety Equipment Pty Limited A flotation aid
RU95116465A (en) * 1995-09-21 1997-08-20 С.Н. Голубев SWIMMING HAND
RU2094299C1 (en) * 1994-06-20 1997-10-27 Мирза Джабраилович Омаров Water life-saving appliance
US6129036A (en) * 1999-06-01 2000-10-10 King; Lawrence P. Water-pressure sensitive dye release apparatus
US20090318042A1 (en) * 2008-06-24 2009-12-24 Ray Huang Safety Structure for Disassembling and Positioning an Airbag
CN201427660Y (en) * 2009-08-13 2010-03-24 俞少赢 Belt type swim ring

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4028778A (en) * 1975-07-07 1977-06-14 Bardoni Thomas J Underwater belt and hose clip
JPH0268295A (en) * 1988-08-31 1990-03-07 Tokuzo Hirose Life saving tool
SU1750642A1 (en) * 1990-06-05 1992-07-30 Завод "Камертон" Научно-Производственного Объединения "Интеграл" Им.Хху Съезда Кпсс Watch wristlet
US5374212A (en) * 1993-07-30 1994-12-20 Lall; Deo N. Personal flotation equipment
AU1352895A (en) * 1994-02-28 1995-09-07 Sava Safety Equipment Pty Limited A flotation aid
RU2094299C1 (en) * 1994-06-20 1997-10-27 Мирза Джабраилович Омаров Water life-saving appliance
RU95116465A (en) * 1995-09-21 1997-08-20 С.Н. Голубев SWIMMING HAND
US6129036A (en) * 1999-06-01 2000-10-10 King; Lawrence P. Water-pressure sensitive dye release apparatus
US20090318042A1 (en) * 2008-06-24 2009-12-24 Ray Huang Safety Structure for Disassembling and Positioning an Airbag
CN201427660Y (en) * 2009-08-13 2010-03-24 俞少赢 Belt type swim ring

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106033187A (en) * 2015-03-12 2016-10-19 宏碁股份有限公司 Smart watch having touch control watchband
CN104793548A (en) * 2015-04-22 2015-07-22 河海大学常州校区 Sand beach safety management system and sand beach safety management method based on smart band
CN104794859A (en) * 2015-04-29 2015-07-22 苏州骄子信息科技有限公司 Drowning positioning wristband
CN106275314A (en) * 2016-08-29 2017-01-04 陈亚东 Vehicle is paddled personnel escape's system
US11851149B2 (en) 2019-04-07 2023-12-26 Sea Ark Technologies Ltd. Emergency flotation device using compressed gas

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