CN105167373B - Case and bag are prevented to be lost in device, method and the case and bag of automobile trunk - Google Patents
Case and bag are prevented to be lost in device, method and the case and bag of automobile trunk Download PDFInfo
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- CN105167373B CN105167373B CN201510568135.2A CN201510568135A CN105167373B CN 105167373 B CN105167373 B CN 105167373B CN 201510568135 A CN201510568135 A CN 201510568135A CN 105167373 B CN105167373 B CN 105167373B
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Abstract
The invention provides a kind of device for preventing case and bag to be lost in automobile trunk, method and case and bag, described device includes being attached to bluetooth communication, acceleration transducer, gyro sensor, GPS module, data memory module and the main control module of case and bag, wherein：The data memory module, for storing boot scene characteristic signal and boot alarm feature signal；The main control module includes scene judging unit and alarm unit；The scene judging unit is used to confirm that case and bag are in boot when the signal that the modules and sensor of sampling are generated is consistent with boot scene characteristic signal；The alarm unit is used to carry out alarm operation when confirming that signal of the case and bag in boot and the bluetooth communication meets boot alarm feature signal.The present invention judges that case and bag are in after boot scene by multiple sensor signals, and the characteristic signal for comparing boot scene produces alarm signal in advance, can be prevented effectively from case and bag loss.
Description
Technical field
The present invention relates to case field, more specifically to a kind of device for preventing case and bag to be lost in automobile trunk,
Method and case and bag.
Background technology
(abbreviation case and bag below) such as wallet, suitcase, shoulder bag, knapsack, medicine bags, are widely used in ours already
Life.At present, traditional case and bag are only equipped with the simple anti-theft device such as standard machinery coded lock, these case and bag security performances are low,
Easily stolen and loss is difficult to recover, and this brings greatly loss and inconvenient to the people of trip.
To improve antitheft, the anti-loss performance of case and bag, the Chinese utility model patent of Patent No. " 201220420417X "
Disclose a kind of displacement-type burglar alarm bar traveling box, its by installing transmitter and calling set in case and bag, and case and bag with
The distance between case owner carries out call alerts when exceeding pre-determined distance.The case and bag serve anti-lose and alarmed to a certain extent
Function, but because its alert if is simple, it is impossible to adapt to all scenes, often occur false alarm.
In addition, realizing the scheme that case and bag are anti-lost also by detection bluetooth signal intensity in the market, it is in case and bag
Upper installation bluetooth module, and communicated with the bluetooth module with case and bag owner, so that Bluetooth signal between two bluetooth modules
Intensity corresponds into corresponding distance, so as to judge whether case and bag are lost.The method equally still rests on simple to letter
On number intensity judges, signal intensity is just alarmed more than threshold value.Automobile trunk for closing etc. is then easy to produce false alarm,
Anticipation risk of missing can not be shifted to an earlier date and alarmed, and easily reported by mistake.And when occurring when alarming, owner is possible to from case
Bag hypertelorism, and can not really give case and bag for change.
The content of the invention
The technical problem to be solved in the present invention is, for the anti-lost scheme error of above-mentioned case and bag it is larger the problem of there is provided one
Planting prevents case and bag to be lost in device, method and the case and bag of automobile trunk.
The technical scheme that the present invention solves above-mentioned technical problem is to provide and a kind of prevents case and bag to be lost in automobile trunk
Device, including it is attached to bluetooth communication, acceleration transducer, gyro sensor, GPS module, the data storage of case and bag
Module and main control module, wherein：The data memory module, for storing boot scene characteristic signal and boot alarm
Characteristic signal；The main control module includes scene judging unit and alarm unit；The scene judging unit is used in sampling
Bluetooth communication, acceleration transducer, in the output signal and data memory module of gyro sensor and GPS module
Confirm that case and bag are in boot when boot scene characteristic signal is consistent；The alarm unit is used to be in standby in the case and bag
Case and the signal of the bluetooth communication carry out alarm operation when meeting boot alarm feature signal.
Case and bag are prevented to be lost in the device of automobile trunk of the present invention, described device also includes mobile communication
Module, the alarm operation is to send warning message to mobile communication terminal.
Case and bag are prevented to be lost in the device of automobile trunk of the present invention, the boot scene characteristic signal
Including case and bag posture feature signal, case and bag velocity characteristic signal and bluetooth signal intensity characteristic signal, the scene judges single
First output signal in acceleration transducer, gyro sensor meets case and bag posture feature signal, the output signal of GPS module
Meet when case and bag velocity characteristic signal, the output signal of bluetooth communication meet bluetooth signal intensity characteristic signal and confirm case and bag
In boot.
Case and bag are prevented to be lost in the device of automobile trunk of the present invention, the boot scene characteristic signal
Including Acceleration character curve, Velocity character curve and bluetooth signal intensity indicatrix, the scene judging unit includes
Drawing of Curve subelement and Curve Matching subelement, wherein：The Drawing of Curve subelement is used for according to acceleration transducer, top
The output signal rendering accelerating of spiral shell instrument sensor write music line, according to the output signal of GPS module draw rate curve, according to bluetooth
The output signal of communication module draws bluetooth signal intensity curve；The Curve Matching subelement is bent in accelerating curve, speed
Line and bluetooth signal intensity curve respectively with Acceleration character curve, Velocity character curve and bluetooth signal intensity indicatrix
Confirm that case and bag are in boot during matching.
The present invention also provides a kind of method for preventing case and bag to be lost in automobile trunk, comprises the following steps：
(a) output signal of sampling bluetooth communication, acceleration transducer, gyro sensor and GPS module；
(b) confirm that case and bag are in standby when the signal of the sampling is consistent with the boot scene characteristic signal stored
Case；
(c) boot alarm spy is met in the signal for confirming bluetooth communication of the case and bag in boot and sampling
Alarm operation is carried out during reference.
Case and bag are prevented to be lost in the method for automobile trunk of the present invention, the alarm behaviour in the step (c)
Warning message is sent as to mobile communication terminal.
Case and bag are prevented to be lost in the method for automobile trunk of the present invention, the boot scene characteristic signal
Including case and bag posture feature signal, case and bag velocity characteristic signal and bluetooth signal intensity characteristic signal, in the step (b),
The output signal of acceleration transducer, gyro sensor meet case and bag posture feature signal, GPS module output signal symbol
Mould assembling speed packet characteristic signal, the output signal of bluetooth communication are confirmed at case and bag when meeting bluetooth signal intensity characteristic signal
In boot.
Case and bag are prevented to be lost in the method for automobile trunk of the present invention, the boot scene characteristic signal
Including Acceleration character curve, Velocity character curve and bluetooth signal intensity indicatrix, the step (b) includes：According to
Acceleration transducer, the output signal rendering accelerating of gyro sensor write music line, according to the output signal of GPS module draw speed
Write music line, bluetooth signal intensity curve drawn according to the output signal of bluetooth communication, and in accelerating curve, rate curve
And bluetooth signal intensity curve respectively with Acceleration character curve, Velocity character curve and bluetooth signal intensity indicatrix
Timing confirms that case and bag are in boot.
Case and bag are prevented to be lost in the method for automobile trunk of the present invention, the step (a) includes：According to
Whether the acceleration transducer of sampling, the output signal of gyro sensor judge case and bag in dynamic, and are confirming at case and bag
The sampling to the output signal of bluetooth communication, acceleration transducer, gyro sensor and GPS module is improved when dynamic
Frequency.
The present invention also provides a kind of case and bag, including bluetooth communication, acceleration transducer, gyro sensor, GPS moulds
Block, data memory module and main control module, wherein：The data memory module, for storing boot scene characteristic signal
And boot alarm feature signal；The main control module includes scene judging unit and alarm unit；The scene judges single
Member is used for output signal and data in the bluetooth communication of sampling, acceleration transducer, gyro sensor and GPS module
Confirm that case and bag are in boot when boot scene characteristic signal in memory module is consistent；The alarm unit is used for described
Signal of the case and bag in boot and the bluetooth communication carries out alarm operation when meeting boot alarm feature signal.
The present invention's prevents case and bag to be lost in device, method and the case and bag of automobile trunk, passes through multiple sensor signals
Judge that case and bag are in after boot scene, the characteristic signal for comparing boot scene produces alarm signal in advance, can be prevented effectively from
Case and bag are lost.
Brief description of the drawings
Fig. 1 is that the present invention prevents case and bag to be lost in the schematic diagram of the device embodiment of automobile trunk.
Fig. 2 is the schematic diagram of an example of the scene judging unit in Fig. 1.
Fig. 3 is bluetooth signal intensity curve synoptic diagram.
Fig. 4 is the accelerating curve schematic diagram that case and bag are put into boot.
Fig. 5 is case and bag accelerating curve schematic diagram.
Fig. 6 is that the present invention prevents case and bag to be lost in the schematic flow sheet of the embodiment of the method for automobile trunk.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in figure 1, being a kind of schematic diagram for the device embodiment for preventing case and bag to be lost in automobile trunk of the present invention, use
In realize case and bag automobile trunk scene something lost fall alarm.Case and bag are prevented to be lost in the dress of automobile trunk in the present embodiment
Put including bluetooth communication 11, acceleration transducer 12, gyro sensor 13, GPS module 14, data memory module 15 with
And main control module 16.Above-mentioned bluetooth communication 11, acceleration transducer 12, gyro sensor 13, GPS module 14, data
Memory module 15 and main control module 16 can be integrated into a shell, and are attached in case and bag；The sensor and module
Directly it can be attached in the interlayer of case and bag.
Data memory module 15 is used to store boot scene characteristic signal and boot alarm feature signal.Above-mentioned standby
Case scene signals are that case and bag are placed into bluetooth communication 11, acceleration transducer 12, gyroscope biography during automobile trunk
Sensor 13, the standard signal of the output of GPS module 14.Specifically, automobile trunk can be placed into by repeatedly by case and bag, simultaneously
Standard signal is obtained after gathering the output signal of modules and sensor, exclusive PCR.Certainly, deposited in data memory module 15
The boot scene characteristic signal of storage may include multigroup, different situations be corresponded to respectively, such as different automobiles height, case and bag are not
Same modes of emplacement (such as keeping flat, place vertically).Boot alarm feature signal is that case and bag are lost in automobile trunk environment when falling
Bluetooth communication 11, acceleration transducer 12, gyro sensor 13, the output of GPS module 14 standard signal (such as Fig. 3,
Shown in 5).Similarly, the boot alarm feature signal also can by gather case and bag lose fall when modules and sensor it is defeated
Go out signal acquisition.
Main control module 16 includes scene judging unit 161 and alarm unit 162, the scene judging unit 161 and report
Alert unit 162 can combine the software operated in microcontroller chip and realize.Specifically, scene judging unit 161 is used for indigo plant of sampling
Tooth communication module 11, acceleration transducer 12, the output signal of gyro sensor 13 and GPS module 14, and by the sampling
Output signal is compared with the boot scene characteristic signal in data memory module 15, output signal and standby in sampling
When case scene characteristic signal (or any group therein) is consistent, confirm that case and bag are in boot.Alarm unit 162 is used to confirm
Case and bag further sample the output signal of bluetooth communication 11 when being in boot, and in the bluetooth communication 11 of sampling
Output signal alarmed when meeting the boot alarm feature signal in data memory module 15 (and/or pre-alarm) operation.
Above-mentioned prevents the device that case and bag are lost in automobile trunk from may include mobile communication module, so that alarm unit
162 alarm operation can be to send warning message (by sending message to corresponding APP or directly leading to mobile communication terminal
Cross short message sending message).
The boot scene characteristic signal stored in data memory module 15 specifically may include case and bag posture feature signal, case
Speed packet characteristic signal and bluetooth signal intensity characteristic signal, above-mentioned boot scene characteristic signal include after case and bag are put into
Dynamic process and case and bag during standby case is by dynamically into the process of stable state.Correspondingly, scene judging unit 161 is passed in acceleration
Sensor 12, the output signal of gyro sensor 13 meet case and bag posture feature signal, the output signal of GPS module 14 and meet case
Confirm that case and bag are in when speed packet characteristic signal, the output signal of bluetooth communication 11 meet bluetooth signal intensity characteristic signal
Boot, i.e. case and bag are placed in automobile trunk.
Especially, above-mentioned boot scene characteristic signal can be stored in data memory module 15 in graph form, for example
Including Acceleration character curve (as shown in figure 4, AccX, AccY, AccZ are respectively the curve of the acceleration in three directions in figure),
Velocity character curve and bluetooth signal intensity indicatrix (as shown in Figure 3), and scene judging unit 161 then further comprises
Drawing of Curve subelement 1611 and Curve Matching subelement 1612, wherein Drawing of Curve subelement 1611 are used to be passed according to acceleration
Sensor 12, the output signal rendering accelerating of gyro sensor 13 write music line, according to the output signal of GPS module 14 draw speed
Curve, according to the output signal of bluetooth communication 11 draw bluetooth signal intensity curve；Curve Matching subelement 1612 is in song
Line draw subelement 1611 draw accelerating curve, rate curve and bluetooth signal intensity curve respectively with data memory module
When the Acceleration character curve, Velocity character curve and the matching of bluetooth signal intensity indicatrix that are stored in 15, case and bag are confirmed
In boot.
The process that scene judging unit 161 carries out case and bag scene judgement is described below in conjunction with Fig. 3,4：(1) sampling adds first
The output signal of velocity sensor and gyro sensor, and the data gathered using digital filtering algorithm to acceleration transducer
Filtering, obtains response curve；If the curve table camera-lucida bag has by dynamically to static change, casing rotary movement or above-below direction
Mobile action and enter the state steadily placed afterwards, then confirm that case and bag place steady (i.e. shown in indicatrix and Fig. 4
Case and bag posture feature signal curve is matched)；(2) numeral is carried out to the bluetooth signal intensity of real-time sampling using digital filtering algorithm
Filtering, and corresponding curve is obtained, and when detecting case and bag motion characteristics point A points, confirm that case and bag are placed on a bluetooth
Signal is by (the A points position in bluetooth signal intensity indicatrix in i.e. in indicatrix and Fig. 3 in the space of screening effect
Curve Matching)；(3) movement velocity of case and bag is obtained by gathering the output signal of GPS module 14 in real time, and passes through acceleration
Sensor output signal obtains the acceleration change curve of chest, judges that case and bag are carried on automobile；(4) in above-mentioned (1)
When~(3) item occurs, scene judging unit 161 confirms that case and bag are stored in automobile trunk.
The process that alarm unit 162 carries out alarm operation is described below in conjunction with Fig. 3,5：(1) according to GPS module 14, acceleration
Spend sensor 12, the output signal of gyro sensor 13 confirms case and bag by motion state to inactive state；(2) numeral filter is utilized
Ripple algorithm carries out digital filtering to the bluetooth signal intensity of sampling, indicatrix is obtained, if being occurred in that in indicatrix such as Fig. 3 institutes
The bluetooth signal intensity shown is from B points to the signal intensity rapid drawdown of C points, then it represents that case and bag owner gets on or off the bus from automobile；(3) in (2)
On the basis of, if according to the sampled value of acceleration transducer 12 and gyro sensor 13, detecting case and bag and remaining static,
Then enter (4)；If according to the sampled value of acceleration transducer 12 and gyro sensor 13, detecting case and bag and starting to accelerate fortune
OK, then alarm operation is carried out, for example, the APP of mobile communication terminal is produced vibration and sound prompting case and bag owner；(4) according to indigo plant
Tooth signal strength weakening confirm case and bag owner motion and it is remote, be attenuated in bluetooth signal intensity less than the threshold value D in Fig. 3
Alarm operation is carried out during point.
It is above-mentioned to prevent the device that case and bag are lost in automobile trunk from being passed by analyzing bluetooth signal intensity, and according to acceleration
Sensor, gyro sensor, the output signal of GPS module draw the conditional curve of luggage case movement locus, draw in case and bag quilt
Automobile trunk is put into, boot is taken out, forgets the characteristic point of typical scene data model taken out from boot, can be shifted to an earlier date
It was found that danger early warning point, forecasting in advance.The present invention judges casing stable state and dynamic by gyro sensor and acceleration transducer
More than state, the real-time tracking curvilinear motion of multiple sensors, so as to accurately find out forecast point and forecast that something lost falls risk and (such as sent out
Send pre-alarm/reminder message).
As shown in fig. 6, be a kind of schematic diagram for the embodiment of the method for preventing case and bag to be lost in automobile trunk of the present invention, should
Method comprises the following steps：
Step S61：The bluetooth communication of sampling, acceleration transducer, the output letter of gyro sensor and GPS module
Number.
In this step, it can judge that case and bag are according to the acceleration transducer of sampling, the output signal of gyro sensor
It is no to be improved in dynamic, and when confirming that case and bag are in dynamic to bluetooth communication, acceleration transducer, gyro sensor
And the sample frequency of the output signal of GPS module.
Step S62：By the output signal of the modules of sampling and sensor and the boot scene characteristic signal prestored
It is compared, confirms that case and bag are in boot and perform step S63 when both match, otherwise return to step S61 proceeds
Signal sampling.
The above-mentioned boot scene characteristic signal prestored specifically may include case and bag posture feature signal, case and bag velocity characteristic letter
Number and bluetooth signal intensity characteristic signal.In the step, meet in the output signal of acceleration transducer, gyro sensor
Case and bag posture feature signal, the output signal of GPS module meet case and bag velocity characteristic signal, the output signal of bluetooth communication
Confirm that case and bag are in boot when meeting bluetooth signal intensity characteristic signal.
Especially, above-mentioned boot scene characteristic signal can be Acceleration character curve, Velocity character curve and indigo plant
Tooth signal strength characteristics curve.Now the step may include：Painted according to the output signal of acceleration transducer, gyro sensor
Accelerating curve processed, according to the output signal of GPS module draw rate curve, according to the output signal of bluetooth communication draw
Bluetooth signal intensity curve；Accelerating curve, rate curve and bluetooth signal intensity curve respectively with Acceleration character curve,
Confirm that case and bag are in boot when Velocity character curve and the matching of bluetooth signal intensity indicatrix.
Step S63：Continue the output signal of sampling bluetooth communication.
Step S64：Judge whether the intensity of the Bluetooth signal of sampling meets the boot alarm feature signal prestored, and
Step S65 is performed when meeting, otherwise return to step S63.
Step S65：Carry out alarm operation.Alarm operation, which is specifically as follows to mobile communication terminal, sends warning message,
Make the alarm signals such as mobile communication terminal generation sound, light, vibration.
The present invention also provides a kind of case and bag, including bluetooth communication, acceleration transducer, gyro sensor, GPS moulds
Block, data memory module and main control module, wherein：Data memory module is used to store boot scene characteristic signal and standby
Case alarm feature signal；Main control module includes scene judging unit and alarm unit；The scene judging unit is used to adopt
In the bluetooth communication of sample, acceleration transducer, the output signal and data memory module of gyro sensor and GPS module
Boot scene characteristic signal it is consistent when confirm case and bag be in boot；Alarm unit is used to be in boot and institute in case and bag
The signal for stating bluetooth communication carries out alarm operation when meeting boot alarm feature signal.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in,
It should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with scope of the claims
It is defined.
Claims (10)
1. a kind of device for preventing case and bag to be lost in automobile trunk, it is characterised in that：Bluetooth communication including being attached to case and bag
Module, acceleration transducer, gyro sensor, GPS module, data memory module and main control module, wherein：The data
Memory module, for storing boot scene characteristic signal and boot alarm feature signal；The main control module includes scene
Judging unit and alarm unit；The scene judging unit is used in the bluetooth communication of sampling, acceleration transducer, top
The output signal of spiral shell instrument sensor and GPS module confirms case when consistent with the boot scene characteristic signal in data memory module
Bag is in boot；The alarm unit is used to meet in the signal that the case and bag are in boot and the bluetooth communication
Alarm operation is carried out during boot alarm feature signal.
2. the device according to claim 1 for preventing case and bag to be lost in automobile trunk, it is characterised in that：Described device is also
Including mobile communication module, the alarm operation is to send warning message to mobile communication terminal.
3. the device according to claim 1 for preventing case and bag to be lost in automobile trunk, it is characterised in that：The boot
Scene characteristic signal includes case and bag posture feature signal, case and bag velocity characteristic signal and bluetooth signal intensity characteristic signal, institute
State scene judging unit and meet case and bag posture feature signal, GPS moulds in the output signal of acceleration transducer, gyro sensor
The output signal of block meets case and bag velocity characteristic signal, the output signal of bluetooth communication and meets bluetooth signal intensity feature letter
Number when confirm case and bag be in boot.
4. the device according to claim 1 for preventing case and bag to be lost in automobile trunk, it is characterised in that：The boot
Scene characteristic signal includes Acceleration character curve, Velocity character curve and bluetooth signal intensity indicatrix, the scene
Judging unit includes Drawing of Curve subelement and Curve Matching subelement, wherein：The Drawing of Curve subelement is used for basis and added
Velocity sensor, the output signal rendering accelerating of gyro sensor write music line, according to the output signal of GPS module draw speed
Curve, according to the output signal of bluetooth communication draw bluetooth signal intensity curve；The Curve Matching subelement is accelerating
Write music line, rate curve and bluetooth signal intensity curve respectively with Acceleration character curve, Velocity character curve and bluetooth believe
Confirm that case and bag are in boot during number strength characteristic Curve Matching.
5. a kind of method for preventing case and bag to be lost in automobile trunk, it is characterised in that：Comprise the following steps：
(a) output signal of sampling bluetooth communication, acceleration transducer, gyro sensor and GPS module；
(b) confirm that case and bag are in boot when the signal of the sampling is consistent with the boot scene characteristic signal stored；
(c) boot alarm feature letter is met in the signal for confirming bluetooth communication of the case and bag in boot and sampling
Number when carry out alarm operation.
6. the method according to claim 5 for preventing case and bag to be lost in automobile trunk, it is characterised in that：The step
(c) the alarm operation in is to send warning message to mobile communication terminal.
7. the method according to claim 5 for preventing case and bag to be lost in automobile trunk, it is characterised in that：The boot
Scene characteristic signal includes case and bag posture feature signal, case and bag velocity characteristic signal and bluetooth signal intensity characteristic signal, institute
State in step (b), meet case and bag posture feature signal, GPS module in the output signal of acceleration transducer, gyro sensor
Output signal meet case and bag velocity characteristic signal, the output signal of bluetooth communication and meet bluetooth signal intensity characteristic signal
When confirm case and bag be in boot.
8. the method according to claim 5 for preventing case and bag to be lost in automobile trunk, it is characterised in that：The boot
Scene characteristic signal includes Acceleration character curve, Velocity character curve and bluetooth signal intensity indicatrix, the step
(b) include：According to the output signal rendering accelerating of acceleration transducer, gyro sensor write music line, according to the defeated of GPS module
Go out signal to draw rate curve, draw bluetooth signal intensity curve according to the output signal of bluetooth communication, and in acceleration
Curve, rate curve and bluetooth signal intensity curve respectively with Acceleration character curve, Velocity character curve and Bluetooth signal
Confirm that case and bag are in boot during strength characteristic Curve Matching.
9. the method according to claim 5 for preventing case and bag to be lost in automobile trunk, it is characterised in that：The step
(a) include：Whether case and bag are judged in dynamic according to the output signal of the acceleration transducer of sampling, gyro sensor,
And improved when confirming that case and bag are in dynamic to bluetooth communication, acceleration transducer, gyro sensor and GPS module
The sample frequency of output signal.
10. a kind of case and bag, it is characterised in that：Including bluetooth communication, acceleration transducer, gyro sensor, GPS moulds
Block, data memory module and main control module, wherein：The data memory module, for storing boot scene characteristic signal
And boot alarm feature signal；The main control module includes scene judging unit and alarm unit；The scene judges single
Member is used for output signal and data in the bluetooth communication of sampling, acceleration transducer, gyro sensor and GPS module
Confirm that case and bag are in boot when boot scene characteristic signal in memory module is consistent；The alarm unit is used for described
Signal of the case and bag in boot and the bluetooth communication carries out alarm operation when meeting boot alarm feature signal.
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| CN201510568135.2A CN105167373B (en) | 2015-09-08 | 2015-09-08 | Case and bag are prevented to be lost in device, method and the case and bag of automobile trunk |
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| CN201510568135.2A CN105167373B (en) | 2015-09-08 | 2015-09-08 | Case and bag are prevented to be lost in device, method and the case and bag of automobile trunk |
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| CN105167373B true CN105167373B (en) | 2017-07-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105608821A (en) * | 2016-03-06 | 2016-05-25 | 朱亚伟 | Intelligent antitheft device based on accelerometer and MEMS gyroscope |
| CN106393030A (en) * | 2016-08-30 | 2017-02-15 | 国网山东省电力公司菏泽供电公司 | Permission identification insulated grounding toolkit for substation maintenance personnel of electric power company |
| US11501620B2 (en) | 2018-07-30 | 2022-11-15 | Carrier Corporation | Method for activating an alert when an object is left proximate a room entryway |
| CN110558696B (en) * | 2019-08-23 | 2021-09-17 | 北京科技大学 | Intelligent anti-loss luggage case and alarm method |
| CN113115226B (en) * | 2021-04-15 | 2022-04-15 | 太原科技大学 | Acceleration and bluetooth integration's traveling bag anti-lost positioner |
| CN114698912A (en) * | 2022-03-09 | 2022-07-05 | 北京三联智慧科技有限公司 | Intelligent luggage |
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| JP4858381B2 (en) * | 2007-09-19 | 2012-01-18 | 株式会社デンソー | Car left behind prevention device |
| US20110241867A1 (en) * | 2010-04-02 | 2011-10-06 | Neal Cornelius I | Summer alert systems |
| CN102343862B (en) * | 2010-08-24 | 2013-04-10 | 浙江吉利汽车研究院有限公司 | Prompting system for articles in trunk of taxicab and control method thereof |
| KR20130117452A (en) * | 2012-04-17 | 2013-10-28 | 주식회사 프로에스콤 | A security brief-case |
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