CN106600920A - Outdoor safety alarm device and monitoring system - Google Patents
Outdoor safety alarm device and monitoring system Download PDFInfo
- Publication number
- CN106600920A CN106600920A CN201611228669.1A CN201611228669A CN106600920A CN 106600920 A CN106600920 A CN 106600920A CN 201611228669 A CN201611228669 A CN 201611228669A CN 106600920 A CN106600920 A CN 106600920A
- Authority
- CN
- China
- Prior art keywords
- outdoor safety
- safety warning
- warning devicess
- management terminal
- processor
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/016—Personal emergency signalling and security systems
Abstract
The invention provides an outdoor safety alarm device. The device comprises a trigger unit, a processor, an alarm unit and a power supply unit. The trigger unit is connected to an input terminal of the processor. An output terminal of the processor is connected to the alarm unit. The power supply unit provides power for a power device of the outdoor safety alarm device. The device and the system have advantages that helps can be provided for an elder, a child, a woman and an outdoor sporter; and user safety is guaranteed.
Description
Technical field
The present invention relates to technical field of electronic equipment, more particularly to outdoor safety warning devicess and monitoring system.
Background technology
Old man, child, women are disadvantaged group, and old man easily goes astray from the group, and child and women also easily walk and become estranged abducted, and sometimes
Outdoor activity person and visitor can also run into unknown danger, how to find that these people in need of help become and solve
Technical barrier.
The content of the invention
The invention provides a kind of outdoor safety warning devicess, including trigger element, processor, alarm unit, power supply list
Unit, the trigger element are connected with the processor input, and the processor outfan is connected with the alarm unit, described
Power supply unit is that the electricity consumption device of the outdoor safety warning devicess is powered.
As a further improvement on the present invention, the trigger element be acceleration transducer, the continuous work of acceleration transducer
Make, after acceleration transducer detects beating, wake up processor, processor is detected again to pat within some seconds again and sent out
It is raw, then it is assumed that dangerous generation, alarm unit is triggered, otherwise processor goes successively to deep sleep state, until accelerated degree
Sensor wakes up.
As a further improvement on the present invention, the outdoor safety warning devicess are hermetically sealed using silica gel, and alarm unit includes
Loudspeaker and LED lamp bead, the loudspeaker position arrange several permeable watertight holes, and the LED lamp bead adopts transparent silica gel, outdoor
The internal circuit of safety alarm device is using moistureproof consolidation process.
As a further improvement on the present invention, said supply unit includes disposable button lithium electricity battery and super capacitor.
As a further improvement on the present invention, the disposable button lithium electricity battery is CR2032 lithium batteries or CR2330 lithiums
Battery, the alarm unit include voice guard and light crossing-signal, and the voice guard draws loudspeaker using miniature internal magnetization wheat
, the light crossing-signal adopts high light LED lamp bead.
As a further improvement on the present invention, the outdoor safety warning devicess also include bluetooth unit, the bluetooth unit
It is connected with the processor, when bluetooth unit is disconnected with radio management terminal, processor triggering alarm unit is reported
It is alert.
As a further improvement on the present invention, the outdoor safety warning devicess also include locating module and radio communication mold
Block, the processor are connected with the locating module and the wireless communication module respectively, when outdoor safety warning devicess are received
To after wake-up information, positional information is sent to radio management terminal by wireless communication module by outdoor safety warning devicess.
Present invention also offers a kind of monitoring system, including radio management terminal, when radio management terminal and outdoor safety
After the bluetooth unit of warning devicess is disconnected, radio management terminal notifying user.
As a further improvement on the present invention, radio management terminal receives the position letter of outdoor safety warning devicess transmission
After breath, radio management terminal will on map display location information, when the position of outdoor safety warning devicess is on the map
During set point, radio management terminal is reported to the police.
As a further improvement on the present invention, the monitoring system also includes high in the clouds data server, high in the clouds data server
For receiving the data message of radio management terminal transmission.
The invention has the beneficial effects as follows:The present invention can provide help for old man, child, women and outdoor activity person,
Ensure the safety of user.
Description of the drawings
Fig. 1 is the outdoor safety warning devicess theory diagram of the simple version of the present invention.
Fig. 2 is the outdoor safety warning devicess theory diagram of the intermediate version of the present invention.
Fig. 3 is the outdoor safety warning devicess theory diagram of the senior version of the present invention.
Fig. 4 is the monitoring system theory diagram of the present invention.
Specific embodiment
The invention discloses a kind of outdoor safety warning devicess, the outdoor safety warning devicess are divided into three versions, respectively
For simple version, intermediate version, senior version.
It is simple version as shown in Figure 1, including trigger element, processor, alarm unit, power supply unit, the trigger element
It is connected with the processor input, the processor outfan is connected with the alarm unit, said supply unit is the family
The electricity consumption device of outer safety alarm device is powered.
The trigger element includes button, magnetic reed tube, acceleration transducer, miaow head or other impact shock sensors.
The alarm unit includes voice guard and/or light crossing-signal, audible alarm such as " I wants help ",
Can there is (three short three length three are short) with SOS forms in " Help me ", " Help ", light alarm;With sound amplification function;Send the sound
There is individual feature, if user have issued this sound, you can think which wants help really, even if occurring touching porcelain phenomenon, road
People can testify.
After processor detects the triggering of trigger element, control alarm unit is reported to the police, and for example, miaow head is examined by processor
After the sound for measuring amplifies, the loudspeaker for controlling alarm unit send chimes of doom.
It is due to being triggered using event, long with stand-by time, the characteristics of power consumption is ultralow, power supply unit can using it is miniature once
Property battery is powered or chargeable lithium cell is powered.
The present invention is triggered using event, long with stand-by time, and the outdoor safety warning devicess are in super low-power consumption usually
Standby mode, in theory stand-by time 12 months.Awakening mode is mainly event triggering and wakes up, and user pats 2 times and the above is touched
Transmit messages police.
Main users of the present invention are old man, child and outdoor activity colony, have following problem to need to consider emphatically:(1) touch
Originating party formula;(2) sound, light alarm strength problem;(3) stand-by time;(4) volume weight, is difficult to lose;(5) it is waterproof and dampproof anti-
Shake.
Solution:
(1) triggering mode:
User experience problem is directly related to, while there is certain disguise, when such as child runs into offender,
How in the case of not discovered in advance, triggering is reported to the police;Using scheme:Acceleration transducer continuously works, and (system is integrally standby
Electric current 35uA), after acceleration transducer detects beating, processor is waken up, processor is detected again within some seconds again
Pat and occur, then it is assumed that dangerous generation, trigger alarm unit, otherwise processor goes successively to deep sleep state, until quilt
Acceleration transducer wakes up.
(2) sound light alarm mode:
, using disposable button lithium electricity battery, less with the continuous operating current time, dash current is less for the present invention
Feature, if using continuous ring loudspeaker and continuous luminous alarm form, button cell can not provide moment enough electric currents;This
Invention arranges a super capacitor energy-storage, there is provided the high current of moment;Interruption sends alarm sound and interruption sends light alarm.
(3) stand-by time problem:
The longer the better for button cell stand-by time, and the present invention selects the lithium such as CR2032 (210mAh) or CR2330 (250mAh)
Battery, acceleration transducer and processor quiescent dissipation are designed according to 50uA, and software adopts deep-sleep, acceleration transducer to touch
Send out and wake up, the direct powered electronic on-off control of alarm unit, then stand-by time is that 175 days and 208 days, i.e. stand-by time are controllable
More than 6 months, one-shot battery was changed per 6 months;Once pat, not enough power supply is then flashed under 1, electricity then flashes 2 enough
Under~4.
(4) volume weight and easy loss problems:
Battery:Button cell, CR2032,3g;Battery holder:1g;Loudspeaker:Miniature Inner magnetic-types wheat draws loudspeaker, 2g;Super electricity
Hold:0.5g;LED:Using high light LED lamp bead;After combinations thereof, volume can be controlled in oval 24mm*20mm*7mm chis
In very little scope, using the silica gel shell of local transparent, then within weight can be controlled in 10g, fixing fabric structure is in diameter 26mm*
In 24mm*9mm;The outdoor safety warning devicess of the present invention can be similar to button, suspension member or other ornament forms and carry with,
Child directly can be buckled on clothes.
(5) waterproof and dampproof antivibration:
Outdoor safety warning devicess of the present invention are hermetically sealed using silica gel, pull down silica gel, you can change battery, sound horn position
Several permeable watertight holes (not infiltrating) are installed, LED lamp bead part adopts transparent silica gel, whole system to combine closely, interior
Portion's circuit is acted on antivibration using moistureproof consolidation process, silica gel itself.
Intermediate version as shown in Figure 2, the outdoor safety warning devicess also include bluetooth unit, the bluetooth unit with it is described
Processor is connected, and when bluetooth unit is disconnected with radio management terminal, processor triggering alarm unit is reported to the police.
The invention also discloses a kind of monitoring system, including radio management terminal, when radio management terminal and outdoor safety
After the bluetooth unit of warning devicess is disconnected, radio management terminal notifying user.
Specifically, bluetooth unit keeps online with radio management terminal, when bluetooth with radio management terminal more than a spacing
From rear, i.e., can disconnect, the APP vibrations of radio management terminal are reported to the police.
The outdoor safety warning devicess of intermediate version except with simple version institute it is functional in addition to, be also mainly used in carry small children it is outgoing
Personage, after child escape to certain distance, notify adult, find child in time, so as not to lose.
Awakening mode is mainly event triggering and wakes up, and disconnects including bluetooth and waking up.
The radio management terminal of the present invention includes intelligent machine, PC and other smart machines.
The function that the bluetooth unit of outdoor safety warning devicess is mainly realized is connection mobile phone, it is desirable to which outdoor safety alarm is filled
Put and function is opened and closed with setting bluetooth, such as continuously clap 4 times, that is, open bluetooth unit, more than 5 seconds companies of being not detected by
Connect, be then automatically switched off;Radio management terminal:Actively connect the bluetooth unit of outdoor safety warning devicess, once detect bluetooth
Disconnect more than 3 seconds, then alarm, cellphone subscriber can judge that the bluetooth unit of outdoor safety warning devicess has beyond 10 meters
Effect distance.
It is senior version as shown in Figure 3, the outdoor safety warning devicess also include locating module and wireless communication module, described
Processor is connected with the locating module and the wireless communication module respectively, when outdoor safety warning devicess receive wake-up letter
After breath, positional information is sent to radio management terminal by wireless communication module by outdoor safety warning devicess.
For example, radio management terminal sends note to outdoor safety warning devicess, and outdoor safety warning devicess are by wireless
Communication module is waken up after receiving note, and then outdoor safety warning devicess obtain positional information by locating module, and will
Positional information is sent to radio management terminal.
The outdoor safety warning devicess of senior version have intermediate version institute functional outer, can be according to radio management terminal
The demand of APP, wakes up outdoor safety warning devicess, and obtains the real-time position information of outdoor safety warning devicess and sit in real time
Mark, is displayed on the map of radio management terminal, is easy to what radio management terminal real-time positioning outdoor safety warning devicess were located
Position;The version can be used for old man, child, management of wandering away, and can simultaneously serve as burglar alarm and freight traffic management function.
The monitoring system of the present invention also includes the radio management end that the outdoor safety warning devicess with senior version are used cooperatively
End, after radio management terminal receives the positional information of outdoor safety warning devicess transmission, radio management terminal will be on map
Display location information, when the set point that the position of outdoor safety warning devicess exceeds on map, radio management terminal is carried out
Report to the police.
After intermediate version and senior version add bluetooth unit, as power consumption increases, it is not possible to using the button electricity of simple version
Pond, it is necessary to adopt rechargeable battery, general stand-by time was at 2 to 4 days.
In senior version, locating module and wireless communication module are used in combination with, and send in radio management terminal and activate
After instruction, locating module Real-time Collection geographical location information, by wireless communication module, is uploaded to radio management terminal.
As senior version power consumption is far longer than intermediate version and simple version, it is necessary to using Large Copacity rechargeable battery, volume
Accordingly can increase.
Radio management terminal typically adopts existing smart mobile phone or other smart machines, APP to fill outdoor safety alarm
The geographical location information for putting upload is displayed on cell phone map in real time, such as old man, child or outdoor activity member of community etc.,
It can be displayed on map in real time, APP can arrange radius of action (centered on mobile phone) or range of activity, beyond setting regions, i.e.,
Automatic alarm, user are taken emergency measures at once.
As shown in figure 4, the monitoring system of the present invention also includes high in the clouds data server, high in the clouds data server is used to receive
The data message that radio management terminal sends.
Data can be uploaded to radio management terminal the function of high in the clouds data server, and radio management terminal is according to need
Will, high in the clouds data server is logged in account, the state of outdoor safety warning devicess is understood at any time.Outdoor safety warning devicess are met
When accident, radio management terminal is actively informed.The optional high in the clouds data server of radio management terminal stores duration, such as
Three days one week ten to fifteen days etc..
Radio management terminal is connected with high in the clouds data server, all data is uploaded to high in the clouds data server and is preserved
Get up.Such as outdoor activity personnel scatter, then can log in high in the clouds data server immediately, search the last position letter for sending
Breath, you can the general orientation of the quick positioning person of scattering.
Outdoor team sport, can search everyone movement locus, accordingly as standards of grading.High in the clouds data server
Effect, i.e., use as data storage, is similar to the data storage function of track recorder, and radio management terminal can check tune at any time
With the content being concerned about.
The present invention can provide help for old man, child, women and outdoor activity person, ensure the safety of user.
Above content is with reference to specific preferred implementation further description made for the present invention, it is impossible to assert
The present invention be embodied as be confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of without departing from present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to the present invention's
Protection domain.
Claims (10)
1. a kind of outdoor safety warning devicess, it is characterised in that including trigger element, processor, alarm unit, power supply unit,
The trigger element is connected with the processor input, and the processor outfan is connected with the alarm unit, the confession
Electric unit is that the electricity consumption device of the outdoor safety warning devicess is powered.
2. outdoor safety warning devicess according to claim 1, it is characterised in that the trigger element is acceleration sensing
Device, acceleration transducer continuously work, and after acceleration transducer detects beating, wake up processor, and processor is within some seconds
Detect again to pat again and occur, then it is assumed that dangerous generation, otherwise triggering alarm unit, processor go successively to depth and stop
Dormancy state, until accelerated degree sensor wakes up.
3. outdoor safety warning devicess according to claim 1, it is characterised in that the outdoor safety warning devicess adopt silicon
Glue is hermetically sealed, and alarm unit includes loudspeaker and LED lamp bead, and the loudspeaker position arranges several permeable watertight holes, the LED
Lamp bead adopts transparent silica gel, and the internal circuit of outdoor safety warning devicess is using moistureproof consolidation process.
4. outdoor safety warning devicess according to claim 1, it is characterised in that said supply unit includes disposable knob
Button lithium electricity battery and super capacitor.
5. outdoor safety warning devicess according to claim 4, it is characterised in that the disposable button lithium electricity battery is
CR2032 lithium batteries or CR2330 lithium batteries, the alarm unit include voice guard and light crossing-signal, the audible alarm
Device draws loudspeaker, the light crossing-signal to adopt high light LED lamp bead using miniature internal magnetization wheat.
6. outdoor safety warning devicess according to any one of claim 1 to 5, it is characterised in that the outdoor safety alarm
Device also includes bluetooth unit, and the bluetooth unit is connected with the processor, when bluetooth unit is disconnected with radio management terminal
During connection, processor triggering alarm unit is reported to the police.
7. outdoor safety warning devicess according to claim 6, it is characterised in that the outdoor safety warning devicess also include
Locating module and wireless communication module, the processor are connected with the locating module and the wireless communication module respectively, when
After outdoor safety warning devicess receive wake-up information, positional information is sent out by outdoor safety warning devicess by wireless communication module
Give radio management terminal.
8. a kind of monitoring system, it is characterised in that including radio management terminal, when radio management terminal is filled with outdoor safety alarm
After the bluetooth unit put is disconnected, radio management terminal notifying user.
9. monitoring system according to claim 8, it is characterised in that radio management terminal receives outdoor safety alarm dress
After putting the positional information of transmission, radio management terminal will on map display location information, when the position of outdoor safety warning devicess
When putting the set point on map, radio management terminal is reported to the police.
10. monitoring system according to claim 9, it is characterised in that the monitoring system also includes high in the clouds data server,
High in the clouds data server is used for the data message for receiving the transmission of radio management terminal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611228669.1A CN106600920A (en) | 2016-12-27 | 2016-12-27 | Outdoor safety alarm device and monitoring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611228669.1A CN106600920A (en) | 2016-12-27 | 2016-12-27 | Outdoor safety alarm device and monitoring system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106600920A true CN106600920A (en) | 2017-04-26 |
Family
ID=58604407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201611228669.1A Pending CN106600920A (en) | 2016-12-27 | 2016-12-27 | Outdoor safety alarm device and monitoring system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106600920A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108091104A (en) * | 2017-12-28 | 2018-05-29 | 南京工程学院 | A kind of low power-consumption intelligent tracker |
CN110910607A (en) * | 2019-10-24 | 2020-03-24 | 李健 | Intelligent alarm terminal |
CN112207811A (en) * | 2019-07-11 | 2021-01-12 | 杭州海康威视数字技术股份有限公司 | Robot control method and device, robot and storage medium |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102629412A (en) * | 2012-04-26 | 2012-08-08 | 北京恒通安信科技有限公司 | Portable outdoor old people nursing instrument based on integral safe index |
CN104320531A (en) * | 2014-11-20 | 2015-01-28 | 无锡爱维特信息技术有限公司 | Mobile phone emergency calling method based on acceleration motion sensor |
US20150054648A1 (en) * | 2013-08-23 | 2015-02-26 | Bestcare Cloucal Corp. | Safety Alert Apparatus |
CN204576094U (en) * | 2015-01-28 | 2015-08-19 | 杭州图析信息技术有限公司 | A kind of children's location watch |
CN204759686U (en) * | 2015-05-19 | 2015-11-11 | 合众思壮北斗导航有限公司 | Intelligence personnel monitoring device and system |
CN105263117A (en) * | 2015-11-02 | 2016-01-20 | 上海卓旗电子科技有限公司 | Method for implementing positioning via smart phone of IoT (Internet of Things) equipment |
CN205163050U (en) * | 2015-11-05 | 2016-04-20 | 沈阳大学 | Intelligence endowment monitor system |
CN106023528A (en) * | 2016-08-01 | 2016-10-12 | 王琰 | Emergency monitoring device for old people |
CN205787147U (en) * | 2016-07-05 | 2016-12-07 | 福建省宅应急安全科技有限公司 | Lao You colony house or the long-range intercommunication localizer gone out |
-
2016
- 2016-12-27 CN CN201611228669.1A patent/CN106600920A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102629412A (en) * | 2012-04-26 | 2012-08-08 | 北京恒通安信科技有限公司 | Portable outdoor old people nursing instrument based on integral safe index |
US20150054648A1 (en) * | 2013-08-23 | 2015-02-26 | Bestcare Cloucal Corp. | Safety Alert Apparatus |
CN104320531A (en) * | 2014-11-20 | 2015-01-28 | 无锡爱维特信息技术有限公司 | Mobile phone emergency calling method based on acceleration motion sensor |
CN204576094U (en) * | 2015-01-28 | 2015-08-19 | 杭州图析信息技术有限公司 | A kind of children's location watch |
CN204759686U (en) * | 2015-05-19 | 2015-11-11 | 合众思壮北斗导航有限公司 | Intelligence personnel monitoring device and system |
CN105263117A (en) * | 2015-11-02 | 2016-01-20 | 上海卓旗电子科技有限公司 | Method for implementing positioning via smart phone of IoT (Internet of Things) equipment |
CN205163050U (en) * | 2015-11-05 | 2016-04-20 | 沈阳大学 | Intelligence endowment monitor system |
CN205787147U (en) * | 2016-07-05 | 2016-12-07 | 福建省宅应急安全科技有限公司 | Lao You colony house or the long-range intercommunication localizer gone out |
CN106023528A (en) * | 2016-08-01 | 2016-10-12 | 王琰 | Emergency monitoring device for old people |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108091104A (en) * | 2017-12-28 | 2018-05-29 | 南京工程学院 | A kind of low power-consumption intelligent tracker |
CN112207811A (en) * | 2019-07-11 | 2021-01-12 | 杭州海康威视数字技术股份有限公司 | Robot control method and device, robot and storage medium |
CN112207811B (en) * | 2019-07-11 | 2022-05-17 | 杭州海康威视数字技术股份有限公司 | Robot control method and device, robot and storage medium |
CN110910607A (en) * | 2019-10-24 | 2020-03-24 | 李健 | Intelligent alarm terminal |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102920117B (en) | Intelligent walking stick with automatic alarming function in case of falling | |
CN103745572B (en) | A kind of portable lifesaving device, lifesaving management system and a lifesaving method | |
CN206354177U (en) | A kind of intelligent necklace of pet | |
CN106066622B (en) | A kind of intelligent monitoring device and corresponding system | |
CN106600920A (en) | Outdoor safety alarm device and monitoring system | |
CN108464821A (en) | A kind of intelligent wristwatch for human body physical sign monitoring | |
CN107942150A (en) | Wearable alarming in short range of electric power device | |
CN105287172A (en) | Multifunctional electronic blind guide device | |
CN206161869U (en) | Intelligence old man positioning system | |
CN204832788U (en) | Intelligence old man fixes a position wrist -watch | |
CN204390449U (en) | A kind of article losing-proof system for prompting | |
CN206757843U (en) | A kind of wearable emergency alarm help facility | |
CN206594795U (en) | Anti- safe bag of wandering away | |
CN207186151U (en) | Intelligent outdoor travel bracelet | |
CN207302292U (en) | Novel alarm | |
CN205321462U (en) | Safety crutch based on thing networking | |
CN205140152U (en) | A multi -functional alarm device for safety protection | |
CN202454039U (en) | Portable intelligent fall-down detector | |
CN110363971A (en) | The novel key warning device of one kind and control method | |
CN206227784U (en) | A kind of dangerous work post intelligent safety helmet | |
CN207993203U (en) | A kind of anti-lost locating alarm being remotely controlled receiving and transmitting signal based on superhet | |
CN204087432U (en) | A kind of human body fall detection warning device | |
CN103680041A (en) | Intelligent fire escape indicating device applied to public place | |
CN206091640U (en) | Electronic foot fastener | |
CN208892579U (en) | A kind of intelligence care device for old man |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170426 |