CN205177096U - Intelligence watch with drowned alarming function - Google Patents
Intelligence watch with drowned alarming function Download PDFInfo
- Publication number
- CN205177096U CN205177096U CN201520933504.9U CN201520933504U CN205177096U CN 205177096 U CN205177096 U CN 205177096U CN 201520933504 U CN201520933504 U CN 201520933504U CN 205177096 U CN205177096 U CN 205177096U
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- Prior art keywords
- user
- alarm device
- hydraulic pressure
- pressure sensor
- drowned
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
- G08B21/08—Alarms for ensuring the safety of persons responsive to the presence of persons in a body of water, e.g. a swimming pool; responsive to an abnormal condition of a body of water
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Electric Clocks (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The utility model discloses an intelligence watch with drowned alarming function, including watch body, watchband, pressure sensor, pulse sensor and drowned alarm device. Pressure sensor sets up the surface at the watch body, and pulse sensor sets up on hugging closely the corresponding watchband in human wrist artery position, the sealed inside that sets up at the watch body of drowned alarm device. Pressure sensor acquires user's water pressure data in aqueous, and will water pressure data transmission is to drowning alarm device in order to judge user's degree of depth in aqueous. Pulse sensor listens the pulse frequency of user's wrist artery, and will whether the pulse frequency sends to drowned alarm device drownedly with the judgement user. When the user was drowned, drowned alarm device produced alarm information and erupts simultaneously and report to the police on delivering to the communication terminal equipment that the rescuer hand -carried. The utility model discloses can accurate monitoring user whether drown and send SOS alarm information messenger drowner and sued and laboured in the very first time.
Description
Technical field
The utility model relates to wearable device field, particularly relates to a kind of intelligent wristwatch with alarming drowning function.
Background technology
Swimming brings enjoyment to the life of people, but simultaneously also brings potential safety hazard, be no matter in swimming pool or pond, rural, all there is safety problem in reservoir.Statistical data shows, drowning has become the number one killer of children's unusual death, even in the normal tour swimming pool in city, also usually occurs to drown to flood the accident of dying.Swimming pool is all divided into general profundal zone and shoal water zone, and the people of child or not yet learning swimming is easily strayed into profundal zone, causes sending drowned accident, and in pond, rural, reservoir is due to population decentralization, child plays in anhydrating alone, causes accidentally overboard, and is difficult to be found time drowned.If the words drowning person sued and laboured not in time will lose valuable life, so how to find drowning person rapidly, it is the key of implementing to give first aid to drowning person.
Along with technology upgrading that is portable, intelligent, Mobyneb flexible electronic product, the Intelligent wearable equipment (such as, intelligent wristwatch, bracelet, wrist strap) with the function such as wearing comfort, health signal monitoring is widely used in every field.Although the intelligent wristwatch emerged at present functionally can the physiological health data such as the pulse of monitoring user, heart rate, blood pressure and body temperature, do not have Real-Time Monitoring user whether drowned and the function of rescue alarm can not be sent when drowned generation.Therefore be necessary the intelligent wristwatch designing a kind of alarming drowning function, can when drowned the very first time send rescue alarm signal, drowning person is succoured the very first time.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of intelligent wristwatch with alarming drowning function, and whether be intended to solve existing traditional intelligence watch cannot drown and do not possess the product defects of drowned rescue alarm function by monitoring user.
For achieving the above object, the utility model provides a kind of intelligent wristwatch with alarming drowning function, comprise watch body, watchband, hydraulic pressure sensor, pulse transducer and drown alarm device, described hydraulic pressure sensor is arranged on the outside surface of described watch body, described pulse transducer is arranged on to be close on watchband corresponding to human body wrist artery position, described drown alarm device sealing is arranged on the inside of described watch body, wherein:
Described hydraulic pressure data for obtaining the hydraulic pressure data of user in water, and are sent to described drown alarm device to judge the degree of depth of user in water by described hydraulic pressure sensor;
Described pulse frequency for detecting the pulse frequency of user's wrist artery, and is sent to described drown alarm device to judge whether user drowns by described pulse transducer;
Described drown alarm device is reported to the police for producing warning message when user drowns and being sent to by described warning message on communication terminal equipment that rescuer carries with.
Preferably, described hydraulic pressure sensor comprises interior diaphragm and sensitive electrical element, and this hydraulic pressure sensor causes described interior diaphragm generation deformation pressure to cause described sensitive electrical element to produce low level signal according to variation in water pressure.
Preferably, the upper surface of described pulse transducer is coated with one deck waterproofing membrane.
Preferably, described watch body adopts lightweight stainless steel metal or flexible hard plastic material to make, and the shape of this watch body is square, circular or oval.
Preferably, described watchband is a kind of closed loop watchband adopting resilient material to make, or for a kind of two ends adopting stainless steel metal material to make are with the open loop type watch chain of buckle.
Preferably, described drown alarm device comprises microcontroller, described hydraulic pressure sensor and pulse transducer are connected on described microcontroller respectively, this microcontroller obtains the hydraulic pressure data of user water from described hydraulic pressure sensor, obtain the pulse frequency of user's wrist artery from described pulse transducer, and judge whether user drowns according to described hydraulic pressure data and pulse frequency.
Preferably, described drown alarm device also comprises a positioning unit be connected on described microcontroller, and this positioning unit is used for the geographical location information orienting user when user drowns.
Preferably, described drown alarm device also comprises a communication unit be connected on described microcontroller, and this communication unit is for being sent to the communication terminal equipment of described rescuer by wireless communication networks by the geographical location information of described user.
Preferably, described drown alarm device also comprises a loudspeaker be connected on described microcontroller, and when the pulse frequency of described user's wrist artery exceedes default beat pulse value, described loudspeaker sends the alarm song that user has drowned.
Preferably, described drown alarm device also comprises a minicell be connected on described microcontroller, and this minicell is connected with a charging port.
Compared to prior art, the intelligent wristwatch with alarming drowning function described in the utility model can carry out double verification to whether user is drowned by embedded hydraulic pressure sensor and pulse transducer, avoid in water, being mistaken for the drowned possibility of user itself because described intelligent wristwatch is fallen by user accidentally, thus add the accuracy judging that whether user is really drowned, there is very high practicality.In addition, the intelligent wristwatch with alarming drowning function described in the utility model can be oriented the geographical location information of drowning person exactly by embedded positioning unit and notify that rescuer sues and labours around, thus more convenient rescuer saves drowning person within the very first time.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view that the utility model has the intelligent wristwatch preferred embodiment of alarming drowning function;
Fig. 2 is the structural representation that intelligent wristwatch that the utility model has an alarming drowning function comprises hydraulic pressure sensor, pulse transducer and drown alarm device preferred embodiment.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
For further setting forth the utility model for the technological means reaching above-mentioned purpose and take and effect, below in conjunction with accompanying drawing and preferred embodiment, describe in detail bright to embodiment of the present utility model, structure, feature and effect thereof.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, Fig. 1 is the schematic perspective view that the utility model has the intelligent wristwatch preferred embodiment of alarming drowning function.In the present embodiment, the intelligent wristwatch described in alarming drowning function comprises watch body 1, watchband 2, hydraulic pressure sensor 3, pulse transducer 4 and drown alarm device 5.Described hydraulic pressure sensor 3 is arranged on the outside surface of watch body 1, described pulse transducer 4 is arranged on to be close on watchband 2 corresponding to human body wrist artery position, described drown alarm device 5 sealing is arranged on the inside of described watch body 1, and when drowning to prevent user, water infiltrates in this watch body 1 and described drown alarm device 5 was lost efficacy.
Described watch body 1 adopts lightweight stainless steel metal or flexible hard plastic material to make, and the shape of this watch body 1 can be square, circular or oval.Described watchband 2 can be a kind of closed loop watchband adopting resilient flexibility rigid plastic material to make, also can for a kind of two ends adopting stainless steel metal material to make are with the open loop type watch chain of buckle.
Described hydraulic pressure sensor 3 is a kind of pressure transducer sensing hydraulic pressure, its inside comprises interior diaphragm and sensitive electrical element (such as electric capacity, resistance or inductance etc.), inner interior diaphragm can be caused to produce deformation pressure according to variation in water pressure and cause inner sensitive electrical element to produce low level signal (low-voltage of such as 0 to 5V).In the present embodiment, when the user wearing Intelligent bracelet described in the utility model drowns, described hydraulic pressure data for obtaining the hydraulic pressure data be used in water, and are sent to described drown alarm device 5 to judge the degree of depth of user in water by described hydraulic pressure sensor 3.
The upper surface of described pulse transducer 4 is coated with one deck waterproofing membrane 40, and when drowning for preventing user, water infiltrates in this waterproofing membrane 40 and described pulse transducer 4 was lost efficacy.Described pulse transducer 4 is a kind of pulse sensors with detecting user wrist arterial pulse function.In the present embodiment, described pulse frequency for detecting the pulse frequency of user's wrist artery, and is sent to described drown alarm device 5 to judge whether user drowns by described pulse transducer 4.
Described drown alarm device 5 is reported to the police for producing warning message when user drowns and being sent to by described warning message on communication terminal equipment (such as mobile phone, PDA equipment or other communicating terminal) that rescuer carries with.
In the present embodiment, described hydraulic pressure sensor 3 and pulse transducer 4 are by being embedded in electric connection line in watchband 2 and data line is connected to described drown alarm device 5, and the inner structure of concrete annexation and described drown alarm device 5 please refer to shown in lower Fig. 2.
As shown in Figure 2, Fig. 2 is the structural representation that intelligent wristwatch that the utility model has an alarming drowning function comprises hydraulic pressure sensor, pulse transducer and drown alarm device preferred embodiment.
In the present embodiment, described drown alarm device 5 include but not limited to, microcontroller 51, positioning unit 52, communication unit 53, loudspeaker 54 and minicell 55.Described positioning unit 52, communication unit 53, loudspeaker 54 and minicell 55 are connected on described microcontroller 51 respectively, and can carry out information interaction with this microcontroller 51.Described hydraulic pressure sensor 3 and pulse transducer 4 are connected on described microcontroller 51 respectively, and can carry out information interaction with this microcontroller 51.
Described microcontroller 51 can be a kind of micro-control unit (MCU), data processing chip or the information process unit with data processing function.Described microcontroller 51 obtains hydraulic pressure data when user drowns in water for receiving described hydraulic pressure sensor 3, and calculate the degree of depth of user in water according to described hydraulic pressure data, and judge whether the degree of depth of user in water exceedes default depth value (such as 50 centimetres).In the present embodiment, if the degree of depth of user in water exceedes default depth value, then show that the possibility that user drowns is larger; If the degree of depth of user in water does not exceed default depth value, then show that the possibility that user drowns is less.
When the degree of depth of user in water exceedes default depth value, described microcontroller 51 also for obtaining the pulse frequency of user's wrist artery from pulse transducer 4, and judges whether described pulse frequency exceedes default beat pulse value (such as 100 beats/min).Usually, adult normal is 60 to 100 beats/min, is generally 70 to 80 times per minute, on average about 72 beats/min.When people drowns, people is very nervous, so beat pulse is accelerated, usually in 100 beats/min more than, pulse.If the pulse frequency of user's wrist artery exceedes default beat pulse value, then show that user drowns; If the pulse frequency of user's wrist artery does not exceed default beat pulse value, then show that user may be not drowned.
When the pulse frequency of user's wrist artery exceedes default beat pulse value, the geographical location information that positioning unit 52 accurately orients drowning person opened by described microcontroller 51.Described positioning unit 52 can for a kind of GPS locating module, Big Dipper locating module or other there is the chip of positioning function, accurately can orient the geographical location information of drowning person, comprise latitude information and the longitude information at the current place of drowning person.
Described communication unit 53 can be a kind of wireless communication interface (such as the near field communication interface such as bluetooth, WIFI or remote communication interface) with wireless communication function, can set up wireless telecommunications be connected by wireless communication networks with the communication terminal equipment that rescue personnel's (comprising the head of a family, guardian or professional rescue personnel) carries with.In the present embodiment, the geographical location information of drowning person can be sent on the communication terminal equipment of rescuer by wireless communication networks by described communication unit 53, to notify that rescue personnel sues and labours to drowning person.
Described loudspeaker 54 can be a kind of bass horn or small-sized sound-producing device, when the pulse frequency of user's wrist artery exceedes default beat pulse value when drowned (user), described loudspeaker 54 sends the alarm song that a user has drowned, and rescues to cause surrounding people to note and to impose drowning person.
Described minicell 55 is for providing electric energy to described intelligent wristwatch, and this minicell 55 is rechargeable batteries of a kind of Low emissivity, low-power consumption, and it can not bring impact to the health of user.Described minicell 55 is also connected with the battery charging inlet that this charging port 56 of a charging port 56 can be a kind of USB interface or other standard, and this charging port 56 directly can insert on external power source (such as computer USB interface or low pressure voltage stabilizer etc.) and charge to described minicell 55.When the electricity of described minicell 55 is finished, user charges by described charging port 56 pairs of minicells 55, thus extends the life cycle of described intelligent wristwatch.
The intelligent wristwatch with alarming drowning function described in the utility model can carry out double verification to whether user is drowned by embedded hydraulic pressure sensor 3 and pulse transducer 4, avoid in water, being mistaken for the drowned possibility of user itself because described intelligent wristwatch is fallen by user accidentally, thus add the accuracy judging that whether user is really drowned, there is very high practicality.In addition, the intelligent wristwatch with alarming drowning function described in the utility model can be oriented the geographical location information of drowning person exactly by embedded positioning unit 52 and notify that rescuer sues and labours around, thus more convenient rescuer saves drowning person within the very first time.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions and accompanying drawing content to do equivalent structure or equivalent function conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. one kind has the intelligent wristwatch of alarming drowning function, comprise watch body and watchband, it is characterized in that, the described intelligent wristwatch with alarming drowning function also comprises hydraulic pressure sensor, pulse transducer and drown alarm device, described hydraulic pressure sensor is arranged on the outside surface of described watch body, described pulse transducer is arranged on to be close on watchband corresponding to human body wrist artery position, and described drown alarm device sealing is arranged on the inside of described watch body, wherein:
Described hydraulic pressure data for obtaining the hydraulic pressure data of user in water, and are sent to described drown alarm device to judge the degree of depth of user in water by described hydraulic pressure sensor;
Described pulse frequency for detecting the pulse frequency of user's wrist artery, and is sent to described drown alarm device to judge whether user drowns by described pulse transducer;
Described drown alarm device is reported to the police for producing warning message when user drowns and being sent to by described warning message on communication terminal equipment that rescuer carries with.
2. there is the intelligent wristwatch of alarming drowning function as claimed in claim 1, it is characterized in that, described hydraulic pressure sensor comprises interior diaphragm and sensitive electrical element, and this hydraulic pressure sensor causes described interior diaphragm generation deformation pressure to cause described sensitive electrical element to produce low level signal according to variation in water pressure.
3. have the intelligent wristwatch of alarming drowning function as claimed in claim 1, it is characterized in that, the upper surface of described pulse transducer is coated with one deck waterproofing membrane.
4. have the intelligent wristwatch of alarming drowning function as claimed in claim 1, it is characterized in that, described watch body adopts lightweight stainless steel metal or flexible hard plastic material to make, and the shape of this watch body is square, circular or oval.
5. there is the intelligent wristwatch of alarming drowning function as claimed in claim 1, it is characterized in that, described watchband is a kind of closed loop watchband adopting resilient material to make, or for a kind of two ends adopting stainless steel metal material to make are with the open loop type watch chain of buckle.
6. the intelligent wristwatch with alarming drowning function as described in any one of claim 1 to 5, it is characterized in that, described drown alarm device comprises microcontroller, described hydraulic pressure sensor and pulse transducer are connected on described microcontroller respectively, this microcontroller obtains the hydraulic pressure data of user water from described hydraulic pressure sensor, obtain the pulse frequency of user's wrist artery from described pulse transducer, and judge whether user drowns according to described hydraulic pressure data and pulse frequency.
7. there is the intelligent wristwatch of alarming drowning function as claimed in claim 6, it is characterized in that, described drown alarm device also comprises a positioning unit be connected on described microcontroller, and this positioning unit is used for the geographical location information orienting user when user drowns.
8. there is the intelligent wristwatch of alarming drowning function as claimed in claim 7, it is characterized in that, described drown alarm device also comprises a communication unit be connected on described microcontroller, and this communication unit is for being sent to the communication terminal equipment of described rescuer by wireless communication networks by the geographical location information of described user.
9. there is the intelligent wristwatch of alarming drowning function as claimed in claim 6, it is characterized in that, described drown alarm device also comprises a loudspeaker be connected on described microcontroller, when the pulse frequency of described user's wrist artery exceedes default beat pulse value, described loudspeaker sends the alarm song that user has drowned.
10. have the intelligent wristwatch of alarming drowning function as claimed in claim 6, it is characterized in that, described drown alarm device also comprises a minicell be connected on described microcontroller, and this minicell is connected with a charging port.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933504.9U CN205177096U (en) | 2015-11-21 | 2015-11-21 | Intelligence watch with drowned alarming function |
| PCT/CN2015/098631 WO2017084155A1 (en) | 2015-11-21 | 2015-12-24 | Smart wrist watch having drowning alarming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520933504.9U CN205177096U (en) | 2015-11-21 | 2015-11-21 | Intelligence watch with drowned alarming function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177096U true CN205177096U (en) | 2016-04-20 |
Family
ID=55741057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520933504.9U Expired - Fee Related CN205177096U (en) | 2015-11-21 | 2015-11-21 | Intelligence watch with drowned alarming function |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205177096U (en) |
| WO (1) | WO2017084155A1 (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105701974A (en) * | 2016-04-25 | 2016-06-22 | 叶传华 | Swimming pool safety monitoring system based on microwave detection and method thereof |
| CN106097659A (en) * | 2016-05-26 | 2016-11-09 | 广东小天才科技有限公司 | Drowning monitoring method based on wearable device and wearable device |
| CN106128034A (en) * | 2016-08-23 | 2016-11-16 | 广东小天才科技有限公司 | Drowning monitoring method and device based on wearable equipment and wearable equipment |
| CN106781287A (en) * | 2016-12-01 | 2017-05-31 | 上海电机学院 | A kind of swimming pool alarming drowning device |
| CN107331124A (en) * | 2017-08-23 | 2017-11-07 | 芜湖博格信息科技有限公司 | The anti-drowned sensing equipment of intelligence wearing |
| CN107741262A (en) * | 2017-09-19 | 2018-02-27 | 广东小天才科技有限公司 | Water depth detection method and wearable device |
| CN107784790A (en) * | 2017-11-14 | 2018-03-09 | 赵思俨 | The drowned detection means and method of a kind of zero stand-by power consumption |
| CN107808493A (en) * | 2017-11-24 | 2018-03-16 | 四川大学 | A kind of calling wrister in imminent danger based on BDS |
| CN107808495A (en) * | 2017-12-04 | 2018-03-16 | 电子科技大学 | A kind of swimming intelligent security monitoring system based on cordless communication network |
| CN108074375A (en) * | 2016-11-16 | 2018-05-25 | 天津市远卓自动化设备制造有限公司 | For the monitoring method of swimmer's safety |
| US10627525B2 (en) | 2017-05-10 | 2020-04-21 | Qualcomm Incorporated | Water-related action triggering |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114812659A (en) * | 2021-01-18 | 2022-07-29 | 广东小天才科技有限公司 | Intelligent device water soaking detection method and wearable intelligent device |
| CN112810776B (en) * | 2021-01-29 | 2023-10-13 | 徐婧怡 | Prevent drowned emergency call bracelet |
| CN114446011A (en) * | 2022-02-24 | 2022-05-06 | 北京工业大学 | Intelligent drowning alarm method and system based on electromyographic signals |
| CN115675797B (en) * | 2022-10-31 | 2024-07-05 | 小维健康科技(深圳)有限公司 | Intelligent bracelet |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9533743B2 (en) * | 2013-03-15 | 2017-01-03 | Terry W. Cox | Life saving apparatus |
| CN104143251A (en) * | 2013-05-06 | 2014-11-12 | 董幼兰 | Pressure type drowning-preventing monitor watch |
| CN104433009B (en) * | 2014-12-19 | 2016-11-30 | 苏州大学 | Intelligent swimming bracelet based on RSSI wireless location technology |
| CN104517410A (en) * | 2015-01-21 | 2015-04-15 | 苏州大学 | Intelligent drowning-prevention system and method |
| CN104851243A (en) * | 2015-05-29 | 2015-08-19 | 付建文 | Swimming pool drowning monitoring system and method |
-
2015
- 2015-11-21 CN CN201520933504.9U patent/CN205177096U/en not_active Expired - Fee Related
- 2015-12-24 WO PCT/CN2015/098631 patent/WO2017084155A1/en active Application Filing
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105701974A (en) * | 2016-04-25 | 2016-06-22 | 叶传华 | Swimming pool safety monitoring system based on microwave detection and method thereof |
| CN106097659A (en) * | 2016-05-26 | 2016-11-09 | 广东小天才科技有限公司 | Drowning monitoring method based on wearable device and wearable device |
| CN106097659B (en) * | 2016-05-26 | 2018-07-03 | 广东小天才科技有限公司 | Drowning monitoring method based on wearable device and wearable device |
| CN106128034A (en) * | 2016-08-23 | 2016-11-16 | 广东小天才科技有限公司 | Drowning monitoring method and device based on wearable equipment and wearable equipment |
| CN108074375A (en) * | 2016-11-16 | 2018-05-25 | 天津市远卓自动化设备制造有限公司 | For the monitoring method of swimmer's safety |
| CN106781287A (en) * | 2016-12-01 | 2017-05-31 | 上海电机学院 | A kind of swimming pool alarming drowning device |
| US10627525B2 (en) | 2017-05-10 | 2020-04-21 | Qualcomm Incorporated | Water-related action triggering |
| US11609339B2 (en) | 2017-05-10 | 2023-03-21 | Qualcomm Incorporated | Swimming activity monitoring |
| US12050275B2 (en) | 2017-05-10 | 2024-07-30 | Qualcomm Incorporated | Swimming activity monitoring |
| CN107331124A (en) * | 2017-08-23 | 2017-11-07 | 芜湖博格信息科技有限公司 | The anti-drowned sensing equipment of intelligence wearing |
| CN107331124B (en) * | 2017-08-23 | 2021-04-13 | 芜湖博格信息科技有限公司 | Intelligent wearable drowning-prevention sensing equipment |
| CN107741262A (en) * | 2017-09-19 | 2018-02-27 | 广东小天才科技有限公司 | Water depth detection method and wearable device |
| CN107784790A (en) * | 2017-11-14 | 2018-03-09 | 赵思俨 | The drowned detection means and method of a kind of zero stand-by power consumption |
| CN107808493A (en) * | 2017-11-24 | 2018-03-16 | 四川大学 | A kind of calling wrister in imminent danger based on BDS |
| CN107808495A (en) * | 2017-12-04 | 2018-03-16 | 电子科技大学 | A kind of swimming intelligent security monitoring system based on cordless communication network |
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| WO2017084155A1 (en) | 2017-05-26 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20201121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |