CN205541337U - Two -way bimodulus tracker - Google Patents
Two -way bimodulus tracker Download PDFInfo
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- CN205541337U CN205541337U CN201620292861.6U CN201620292861U CN205541337U CN 205541337 U CN205541337 U CN 205541337U CN 201620292861 U CN201620292861 U CN 201620292861U CN 205541337 U CN205541337 U CN 205541337U
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Abstract
Two -way bimodulus tracker, including one solid of revolution shell, solid of revolution shell includes the electrically conductive lid of two, the insulating lid of two transparent, one transparent insulation lateral wall, through -hole, the central through -hole of the electrically conductive lid of insulating lid embedding, the insulating lateral wall of fixed coaxial line between balanced electrically conductive lid parallel are from top to bottom offered to the center of electrically conductive lid, the middle part of insulating lateral wall set up with the circuit board that the sectional form is the same of insulating lateral wall inner wall, in the extension direction of circuit board, set up the aluminium rete at circuit board center, fix rechargeable battery at the bottom middle part of circuit board. First, second, third and fourth WIFI receiving and dispatching antenna along circuit board circumference, are evenly laid in proper order to the up end of circuit board, at the lower terminal surface of circuit board, along circuit board circumference, evenly lay first, second, third and fourth bluetooth receiving and dispatching antenna in proper order. Balanced thermal change for wiFi antenna and bluetooth antenna layering set up, utilize the non - dependence of space polarization further to subduct possible interference.
Description
Technical field
This utility model relates to a kind of radio communication device, particularly relates to a kind of wireless communicator seeking track.
Background technology
How to realize the anti-lost of carry-on articles, prior art has many solutions, including mechanical connecting structure, two main aspects of wireless signal localization method.In wireless signal localization method, the similar location mechanism utilizing gps signal, cost height enterprise, operating time is limited.
nullSuch as in filing date 2014-10-23，Application No. 201420618472.9，In the patent documentation of entitled " a kind of anti-lost follow-up mechanism "，Aim to solve the problem that the existing corresponding product with anti-lost tracking function can not meet range simultaneously limited，Little power consumption，The problem low with use cost，Anti-lost follow-up mechanism includes gsm module、WIFI module、Bluetooth module、GPS module、MCU module、Power management module and battery，Described gsm module、WIFI module、Bluetooth module、GPS module is connected with described MCU module the most respectively，Described power management module is connected with described bluetooth module，Described battery provides voltage to input by described power management module for above-mentioned all modules，During operation，Whether the mobile terminal bluetooth module signal of detection pairing is less than the first preset signal strength，If，Carry out over range to report to the police for the first time，Carry out warning duration timing；If warning duration is more than the first duration, turning on the power management module, WIFI module and GPS module by described bluetooth module, the location information described GPS module obtained by the service set of described WIFI module is broadcasted；When described warning duration is more than the second duration, carries out over range second time and report to the police, open gsm module by described MCU module, by described gsm module, described location information is sent to described mobile terminal or server.
Described anti-lost tracker is additionally operable to when described GPS module can not position, and the physical address that described WIFI module scans surrounding wireless network access point (WIFI Access point, WIFI AP) returns server by described gsm module.
Described gsm module includes any one of 2G, 3G or 4G.
Also include that SPI deposits and gravity sensor, described SPI deposits and is connected with bluetooth module with gravity sensor, SPI deposits for caching location information and the motion track information that described GPS module obtains, and gravity sensor is used for obtaining anti-lost follow-up mechanism either with or without mobile and the frequency of movement.
First stage, by detecting whether within the effective join domain of Bluetooth signal, if it is not, carry out article over range warning；Second stage, does not release will open the coordinate that WIFI module broadcast GPS module obtains if reporting to the police through after a period of time；Again through the most not recovering article, carry out second time and report to the police, unlatching gsm module is passed back article position coordinate, this utility model, it is achieved that GPS, GSM, WIFI tri-mould, the most anti-lost tracking.
Such scheme and can not judge follow-up mechanism position in minimum range within the shortest time, follow-up mechanism can only passively judge according to single signal intensity and interval duration, lack and form the environment parameter basis that complex logic judges, loss, mobile context targetedly cannot be formed differentiate, it is impossible to utilize follow-up mechanism to form the alarm scheme losing scene for difference.
Utility model content
The purpose of this utility model is to provide a kind of two-way bimodulus tracker, solves the technical problem that existing follow-up mechanism is as broad as long on scene judgment accuracy.
Two-way bimodulus tracker of the present utility model, including a revolving body shell, described revolving body shell includes two conductive cover, two transparent insulation lids, one transparent insulative sidewall, through hole is offered at the center of conductive cover, and insulation lid embeds the through hole at conductive cover center, fixes the insulative sidewall of coaxial line between the conductive cover of upper and lower Parallel Symmetric；
Arrange the circuit board identical with the section configuration of insulative sidewall inwall at the middle part of insulative sidewall, in the extension direction of circuit board, the heart arranges aluminum membranous layer in the circuit board, and the center bottom at circuit board fixes rechargeable battery.
The upper surface of described circuit board, along circuit board circumference, the most uniformly lays a WIFI dual-mode antenna, the 2nd WIFI dual-mode antenna, the 3rd WIFI dual-mode antenna and the 4th WIFI dual-mode antenna；In the lower surface of circuit board, along circuit board circumference, the most uniformly lay the first bluetooth dual-mode antenna, the second bluetooth dual-mode antenna, the 3rd bluetooth dual-mode antenna and the 4th bluetooth dual-mode antenna.
On the insulation lid of described circuit board, around axis, two through holes are set, and it is respectively embedded into a coaxial and saucer plunger for conduction, on insulation lid below circuit board, two through holes are set in relevant position, and it is respectively embedded into a coaxial and convex surface spring-loaded plunger for conduction, the concave surface of spring-loaded plunger and highlight insulating lid surface convex surface facing revolving body outer side, concave surface and convex surface；The convex surface spring-loaded plunger of relevant position electrically connects with saucer plunger.
The top of described circuit board, around insulative sidewall, woofer group is set, the lower section of described circuit board, around insulative sidewall, tweeter group is set, the insulation lid lower surface of described circuit board, circumferentially fixed red LED group, the insulation lid upper surface below circuit board, circumferentially fixed blue LED group.
The conductive cover upper surface of described circuit board is diametrically, the small blind hole at one group of interval is set at a lateral edges, the big-diameter blind hole at one group of interval is set at opposite side edge, the relevant position of the conductive cover lower surface below described circuit board, the small boss coordinated with small blind hole is set, the big boss coordinated with big-diameter blind hole, embeds soft iron sheet in big-diameter blind hole and small blind hole, embeds permanent magnet in big boss and small boss.
The lower surface of the conductive cover of described circuit board, the position of corresponding big-diameter blind hole, magnetic flux transducer is set, series voltage sensor on the circuit that convex surface spring-loaded plunger electrically connects with saucer plunger.
The parts laying structure of two-way bimodulus tracker of the present utility model can fully meet the transmitting-receiving Near Field of the wireless signal of different types of different channels, the change of uniform heat, WiFi antenna and Bluetooth antenna layering are arranged, utilizes the non-correlation of spatial polarizations to cut down possible interference further.The similar antenna of same layer can form Polarimetric enhancement, and the comprehensive acquisition signal in same aspect strengthens.The status signal that magnetic flux transducer and voltage sensor can be utilized to collect forms the triggering signal of the duties such as circuit start, work, dormancy, plays and quickly arranges the present embodiment two-way bimodulus tracker, circuit initialization and the effect of duty switching.
When coordinating with mobile terminal, by controlling to switch each dual-mode antenna, obtain the RSSI intensity of the receiving and transmitting signal of corresponding data passage one by one, compared the frequency domain distribution data being obtained with accurate signal intensity by logic, form the status data of respective distances.The change distance of two-way bimodulus tracker and mobile terminal thus can be accurately obtained by status data.This change range information can transmit and revise between two-way bimodulus tracker and mobile terminal, is formed under different communication modes switching, and data link two ends accurately calculate the diversified alarm scene mode of the anti-lost tracking of spacing change procedure.This diversified alarm scene mode is that prior art cannot be formed.
Accompanying drawing explanation
Fig. 1 is the front sectional view of the parts laying structure of this utility model two-way bimodulus tracker；
Fig. 2 is the top view of the parts laying structure of this utility model two-way bimodulus tracker；
Fig. 3 is the electrical block diagram of this utility model two-way bimodulus tracker；
Fig. 4 is the control structure schematic diagram of this utility model two-way bimodulus tracker middle controller.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in detail.
As shown in Figure 1, the body of the present embodiment includes a revolving body shell, revolving body shell includes two conductive cover 45, two transparent insulation lids 46, one transparent insulative sidewall 50, through hole is offered at the center of conductive cover 45, and insulation lid 46 embeds the through hole at conductive cover 45 center, fixes the insulative sidewall 50 of coaxial line between the conductive cover 45 of upper and lower Parallel Symmetric.
Arrange the circuit board 51 identical with the section configuration of insulative sidewall 50 inwall at the middle part of insulative sidewall 50, in the extension direction of circuit board, the heart arranges aluminum membranous layer in the circuit board.
At the top middle portion stationary body circuit structure of circuit board 51, the center bottom at circuit board 51 fixes rechargeable battery 49.
In the upper surface of circuit board 51, along circuit board 51 circumference, the most uniformly lay WIFI dual-mode antenna the 31, the 2nd WIFI dual-mode antenna the 32, the 3rd WIFI dual-mode antenna 33 and a 4th WIFI dual-mode antenna 34；In the lower surface of circuit board 51, along circuit board 51 circumference, the most uniformly lay the first bluetooth dual-mode antenna the 35, second bluetooth dual-mode antenna the 36, the 3rd bluetooth dual-mode antenna 37 and the 4th bluetooth dual-mode antenna 38；Above circuit board 51, woofer group 14 is set around insulative sidewall 50, in the lower section of circuit board 51, tweeter group 13 is set around insulative sidewall 50.Use PIFA dual-mode antenna
Insulation lid 46 lower surface above circuit board 51, circumferentially fixed red LED group 15, insulation lid 46 upper surface below circuit board 51, circumferentially fixed blue LED group 16.
Shown in Fig. 2, conductive cover 45 upper surface above circuit board 51 is diametrically, the small blind hole 42 at one group of interval is set at a lateral edges, the big-diameter blind hole 41 at one group of interval is set at opposite side edge, the relevant position of conductive cover 45 lower surface below circuit board 51, arranges the small boss 44 coordinated with small blind hole 42, the big boss 43 coordinated with big-diameter blind hole 41, in big-diameter blind hole 41 and small blind hole 42, embed soft iron sheet, big boss 43 and small boss 44 embed permanent magnet.
The lower surface of the conductive cover 45 above circuit board 51, the position of corresponding big-diameter blind hole 41, magnetic flux transducer 12 is set, series voltage sensor 11 on the circuit that convex surface spring-loaded plunger 48 electrically connects with saucer plunger 47.
The parts laying structure of the present embodiment can fully meet the transmitting-receiving Near Field of the wireless signal of different types of different channels, the circuit board 51 of rechargeable battery and main body circuit structure thermal resistance is separated, can be with the change of uniform heat so that the WiFi antenna of applicator and battery do not interfere with circuit performance.
WiFi antenna and Bluetooth antenna signal isolating by the aluminum membranous layer in circuit board 51, between side-lobe signal impact cut down.Make WiFi antenna and Bluetooth antenna layering arrange simultaneously, utilize the non-correlation of spatial polarizations to cut down possible interference further.The similar antenna of same layer can form Polarimetric enhancement, and the comprehensive acquisition signal in same aspect strengthens.
Aluminum membranous layer in circuit board 51 can isolate the lower section permanent magnet interference to magnetic flux transducer 12 so that the two-way bimodulus tracker of the present embodiment is when upper and lower superposition is fixed, and what magnetic flux transducer 12 can judge superposition more accurately tears conjunction state open.The corresponding convex surface spring-loaded plunger 48 connected can realize the synchronous charging of the present embodiment two-way bimodulus tracker of stacking with saucer plunger 47.The status signal simultaneously making the present embodiment two-way bimodulus tracker that magnetic flux transducer 12 and voltage sensor 11 can be utilized to collect forms the triggering signal of the duties such as circuit start, work, dormancy, plays and quickly arranges the present embodiment two-way bimodulus tracker, circuit initialization and the effect of duty switching.
The speaker of different frequency range can form that penetration power is high or high-keyed sound, is more easy to cause concern.
The LED of different wave length can form the shadow change of distinctness, is more easy to cause concern.
As shown in Figure 3, the circuit structure of the present embodiment includes controller the 01, first WiFi communication module the 21, second WiFi communication module the 22, first bluetooth communication the 23, second bluetooth communication 24, voltage sensor 11, magnetic flux transducer the 12, first sound power amplifier the 25, second sound power amplifier the 26, first brightness power amplifier 27 and the second brightness power amplifier 28, wherein:
Controller 01, for the on off state according to physical connection, wireless data channel between control and mobile terminal, obtain the resistance to vibration data of the wireless data channel of rule switching, it is formed at the change range information of data link two ends transmission, and then is converted into the alarm of corresponding diversified alarm scene mode；
First WiFi communication module 21, for setting up the first wireless data channel with the mobile terminal mated, completes the pattern switching of the first wireless data channel, completes the circuit switching of corresponding dual-mode antenna；
Second WiFi communication module 22, for setting up the second wireless data channel with the mobile terminal mated, completes the pattern switching of the second wireless data channel, completes the circuit switching of corresponding dual-mode antenna；
First bluetooth communication 23, for setting up the first Bluetooth data channel with the mobile terminal mated, completes the pattern switching of the first Bluetooth data channel, completes the circuit switching of corresponding dual-mode antenna；
Second bluetooth communication 24, for setting up the second Bluetooth data channel with the mobile terminal mated, completes the pattern switching of the second Bluetooth data channel, completes the circuit switching of corresponding dual-mode antenna；
Voltage sensor 11, for gathering the voltage change conditions of current supply circuit, forms output switch parameter；
Magnetic flux transducer 12, for gathering the combination variable condition of big-diameter blind hole 41 and big boss 43, forms output switch parameter；
First sound power amplifier 25, for forming the power signal of the tweeter of synchronization, and exports；
Second sound power amplifier 26, for forming the power signal of the woofer of synchronization, and exports；
First brightness power amplifier 27, for forming the power signal of the red LED of synchronization, and exports；
Second brightness power amplifier 28, for forming the power signal of the blue LED of synchronization, and exports.
The circuit structure of the present embodiment also includes tweeter group 13, woofer group 14, red LED group 15 and blue LED group 16, wherein:
Tweeter group 13, for forming the high frequency sound field of acoustic energy resonance；
Woofer group 14, for forming the low frequency sound field of acoustic energy resonance；
Red LED group 15, for forming the flicker HONGGUANG of brightness superposition；
Blue LED group 16, for forming the flicker blue light of brightness superposition.
The circuit structure of the present embodiment also includes WiFi dual-mode antenna 31 and the twoth WiFi dual-mode antenna 32 that connect corresponding to 21 two antenna feed points of the first WiFi communication module, threeth WiFi dual-mode antenna 33 and the fourth WiFi dual-mode antenna 34 that connect corresponding to 22 two antenna feed points of the second WiFi communication module, first bluetooth dual-mode antenna 35 and the second bluetooth dual-mode antenna 36 that connect corresponding to 23 two antenna feed points of the first bluetooth communication, threeth bluetooth dual-mode antenna 37 and the fourth WiFi dual-mode antenna 38 that connect corresponding to 24 two antenna feed points of the second bluetooth communication.
The present embodiment, it is possible to use different power amplifiers forms the power signal synchronized, synchronizes to drive tweeter, woofer, red LED and blue LED, forms different alarm scenes, accurately point out.
Owing to each dual-mode antenna of all types of communication modules is positioned at different aspects and orientation, by controlling each dual-mode antenna of switching, obtain the RSSI intensity of the receiving and transmitting signal of corresponding data passage one by one, compared the frequency domain distribution data being obtained with accurate signal intensity by logic, form the status data of respective distances.The change distance of two-way bimodulus tracker and mobile terminal thus can be accurately obtained by status data.This change range information can transmit and revise between two-way bimodulus tracker and mobile terminal, is formed under different communication modes switching, and data link two ends accurately calculate the diversified alarm scene mode of the anti-lost tracking of spacing change procedure.This diversified alarm scene mode is that prior art cannot be formed.
As shown in Figure 4, controller 01 includes that PID controls device 61, operating mode switching device 62, bluetooth RSSI judgment means 63, bluetooth module switching device 64, Bluetooth antenna switching device 65, WiFi intensity judgment means 66, WiFi module switching device 67, WiFi antenna-switching device 68, bluetooth mode switching device 69, WiFi mode-changeover device 70, warning strategies generating means 71 and controls logical calculation device 80, wherein:
PID controls device 61, is used for receiving voltage and two kinds of switch data of magnetic flux, is converted to corresponding circuit operating pattern and triggers signal；
Operating mode switching device 62, for switching to corresponding circuit operating pattern according to triggering signal；
Bluetooth RSSI judgment means 63, for judging the RSSI intensity data of the Bluetooth data channel of the switching of the carrying data link of reception, and transmits to controlling logical calculation device 80, receives the judgement request of bluetooth RSSI intensity and transmission data；
Bluetooth module switching device 64, for responding request circuit switching within the continuous cycle between different bluetooth communication；
Bluetooth antenna switching device 65, for responding request circuit switching within the continuous cycle between different Bluetooth antennas；
WiFi intensity judgment means 66, for judging the RSSI intensity data of the WiFi data channel of the switching of the carrying data link of reception, and transmits to controlling logical calculation device 80, receives the judgement request of RSSI intensity and the transmission data of WiFi；
WiFi module switching device 67, for responding request circuit switching of different WiFi communication intermodules within the continuous cycle；
WiFi antenna-switching device 68, for responding request circuit switching within the continuous cycle between different WiFi antennas；
Bluetooth mode switching device 69, for responding the request controlling logical calculation device 80, switches in the frequency configuration scanning or intercepting pattern of bluetooth communication；
WiFi mode-changeover device 70, for responding the request controlling logical calculation device 80, switches in the frequency configuration of AP, network interface card, relaying or the bridge mode of WiFi communication module；
Warning strategies generating means 71, for generating the controlled by sound and light data acquisition system of synchronization, the corresponding power amplifier of output valve；
Control logical calculation device 80, for according to built-in control logic, dynamically changing the physical parameter of the data channel of carrying data link, obtain the dynamic data of signal intensity, transmit between data link and revise, determining distance change procedure, form corresponding warning information.
The controller 01 of the present embodiment forms the collection of discrete RSSI data by said apparatus, determines distance change procedure accurately, form concrete procedure boundary in frequency-domain analysis and time-domain analysis, makes alarm accurately be suitable for for scene, alarm.
In actual application, the control method that controller 01 is formed comprises the following steps:
Receive voltage and two kinds of switch data of magnetic flux, be converted to corresponding circuit operating pattern and trigger signal；
Corresponding circuit operating pattern is switched to according to triggering signal；
Judge the RSSI intensity data of the Bluetooth data channel of the switching of the carrying data link of reception, and transmit to controlling logical calculation device 80, receive the judgement request of bluetooth RSSI intensity and transmission data；
The circuit switching within the continuous cycle between different bluetooth communication is asked in response；
The circuit switching within the continuous cycle between different Bluetooth antennas is asked in response；
Judge the RSSI intensity data of the WiFi data channel of the switching of the carrying data link of reception, and transmit to controlling logical calculation device 80, receive the judgement request of RSSI intensity and the transmission data of WiFi；
Response request is the circuit switching of different WiFi communication intermodules within the continuous cycle；
The circuit switching within the continuous cycle between different WiFi antennas is asked in response；
Response controls the request of logical calculation device 80, switches in the frequency configuration scanning or intercepting pattern of bluetooth communication；
Response controls the request of logical calculation device 80, switches in the frequency configuration of AP, network interface card, relaying or the bridge mode of WiFi communication module；
Generate the controlled by sound and light data acquisition system synchronized, the corresponding power amplifier of output valve；
Realize, according to built-in control logic, dynamically changing the physical parameter of the data channel of carrying data link, obtaining the dynamic data of signal intensity, transmit between data link and revise, determine distance change procedure, form corresponding warning information.
The above; it is only this utility model preferably detailed description of the invention; but protection domain of the present utility model is not limited thereto; any those familiar with the art is in the technical scope that this utility model discloses; the change that can readily occur in or replacement, all should contain within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (6)
- The most two-way bimodulus tracker, including a revolving body shell, it is characterised in that: described revolving body shell Including two conductive cover (45), two transparent insulation lids (46), a transparent insulative sidewall (50), Through hole is offered at the center of conductive cover (45), and insulation lid (46) embeds conductive cover (45) center Through hole, fixes the insulative sidewall (50) of coaxial line between the conductive cover (45) of upper and lower Parallel Symmetric；The electricity identical with the section configuration of insulative sidewall (50) inwall is set at the middle part of insulative sidewall (50) Road plate (51), in the extension direction of circuit board, the heart arranges aluminum membranous layer in the circuit board, in circuit board (51) Center bottom fix rechargeable battery (49).
- Two-way bimodulus tracker the most as claimed in claim 1, it is characterised in that: described circuit board (51) Upper surface, along circuit board (51) circumference, the most uniformly lay a WIFI dual-mode antenna (31), the Two WIFI dual-mode antennas (32), the 3rd WIFI dual-mode antenna (33) and the 4th WIFI dual-mode antenna (34)； In the lower surface of circuit board (51), along circuit board (51) circumference, the most uniformly lay the first bluetooth transmitting-receiving Antenna (35), the second bluetooth dual-mode antenna (36), the 3rd bluetooth dual-mode antenna (37) and the 4th bluetooth are received Send out antenna (38).
- Two-way bimodulus tracker the most as claimed in claim 2, it is characterised in that: described circuit board (51) On the insulation lid (46) of top, two through holes are set around axis, and be respectively embedded into one coaxial and The saucer plunger (47) of conduction, on the insulation lid (46) of circuit board (51) lower section, accordingly Position arranges two through holes, and is respectively embedded into coaxial and the convex surface spring-loaded plunger (48) of conduction, a spring The concave surface of plunger and convex surface facing revolving body outer side, concave surface and convex surface prominent insulation lid (46) surface； The convex surface spring-loaded plunger (48) of relevant position electrically connects with saucer plunger (47).
- Two-way bimodulus tracker the most as claimed in claim 3, it is characterised in that: described circuit board (51) Top, around insulative sidewall (50) woofer group (14) is set, under described circuit board (51) Side, arranges tweeter group (13) around insulative sidewall (50), described circuit board (51) top exhausted Edge lid (46) lower surface, circumferentially fixed red LED group (15), in the insulation of circuit board (51) lower section Lid (46) upper surface, circumferentially fixed blue LED group (16).
- Two-way bimodulus tracker the most as claimed in claim 4, it is characterised in that: described circuit board (51) Conductive cover (45) upper surface of top diametrically, arranges the small blind hole at one group of interval at a lateral edges (42), the big-diameter blind hole (41) at one group of interval is set at opposite side edge, described circuit board (51) lower section The relevant position of conductive cover (45) lower surface, arranges the small boss (44) coordinated with small blind hole (42), The big boss (43) coordinated with big-diameter blind hole (41), embeds soft in big-diameter blind hole (41) and small blind hole (42) Iron plate, embeds permanent magnet in big boss (43) and small boss (44).
- Two-way bimodulus tracker the most as claimed in claim 4, it is characterised in that: described circuit board (51) The lower surface of the conductive cover (45) of top, the position of corresponding big-diameter blind hole (41), magnetic flux sensing is set Device (12), series electrical on the circuit that convex surface spring-loaded plunger (48) electrically connects with saucer plunger (47) Pressure sensor (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620292861.6U CN205541337U (en) | 2016-04-07 | 2016-04-07 | Two -way bimodulus tracker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620292861.6U CN205541337U (en) | 2016-04-07 | 2016-04-07 | Two -way bimodulus tracker |
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| Publication Number | Publication Date |
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| CN205541337U true CN205541337U (en) | 2016-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620292861.6U Expired - Fee Related CN205541337U (en) | 2016-04-07 | 2016-04-07 | Two -way bimodulus tracker |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972268A (en) * | 2017-03-30 | 2017-07-21 | 广东欧珀移动通信有限公司 | Circuit board assemblies and electronic equipment |
| CN113872297A (en) * | 2021-10-14 | 2021-12-31 | 昆山联滔电子有限公司 | Wireless tracker |
-
2016
- 2016-04-07 CN CN201620292861.6U patent/CN205541337U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106972268A (en) * | 2017-03-30 | 2017-07-21 | 广东欧珀移动通信有限公司 | Circuit board assemblies and electronic equipment |
| CN113872297A (en) * | 2021-10-14 | 2021-12-31 | 昆山联滔电子有限公司 | Wireless tracker |
| CN113872297B (en) * | 2021-10-14 | 2023-10-17 | 昆山联滔电子有限公司 | Wireless tracker |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20180407 |