CN107874366A - Possesses the shoe-pad of position data collecting - Google Patents
Possesses the shoe-pad of position data collecting Download PDFInfo
- Publication number
- CN107874366A CN107874366A CN201711071406.9A CN201711071406A CN107874366A CN 107874366 A CN107874366 A CN 107874366A CN 201711071406 A CN201711071406 A CN 201711071406A CN 107874366 A CN107874366 A CN 107874366A
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- resistance
- pad
- shoe
- amplifier
- coordinate system
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 239000011229 interlayer Substances 0.000 claims abstract description 14
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 3
- 230000036651 mood Effects 0.000 description 2
- 206010012289 Dementia Diseases 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008451 emotion Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A43—FOOTWEAR
- A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
- A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/20—Instruments for performing navigational calculations
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Navigation (AREA)
Abstract
The shoe-pad provided by the invention for possessing position data collecting, including upper shoe-pad and lower shoe-pad, interlayer is provided between upper shoe-pad and lower shoe-pad；Also include locator, controller and the mixed-media network modules mixed-media being arranged in interlayer；Locator obtains the current positional information of shoe-pad, and current coordinate data is converted to by different coordinate systems；Coordinate system is more sets, often covers coordinate system for the rectangular coordinate system in space using different location as origin；Multiple buttons are additionally provided with the upper shoe-pad, each button associates a set of coordinate system；When button is pressed, positional information is converted to coordinate data by locator by coordinate system corresponding to the button；Controller is used to upload the coordinate data after conversion by mixed-media network modules mixed-media.The shoe-pad possesses positioning function, and can position multiple places, facilitates child or old man to find different addresses.Current positional information can be uploaded to mobile terminal by the shoe-pad, facilitate household to understand the whereabouts of child or old man in time, easy to carry, not easy to be lost.
Description
Technical field
The invention belongs to data acquisition technology field, and in particular to possess the shoe-pad of position data collecting.
Background technology
Shoe-pad is widely used in shoe industry, health care or other are specifically functional.Being generally divided into shoe industry includes applied shoe-pad
With marketing type shoe-pad both of which.Applied shoe-pad mainly coordinates shoes bottoming, midsole to make corresponding type body, according to
Last carving bottom plate or panel make size plate, and produce corresponding shape.Commodity-type shoe-pad is mainly shoe-pad directly as one
Kind commodity selling, by developing teacher's design, the product commercially to circulate.
The appearance of location equipment, greatly facilitate people and keep an eye on old man, child, in time understand the whereabouts of child, old man
Whereabouts, especially young child and old dementia patients, are easy to people preferably to supervise child, old man.Existing market
Existing a variety of location equipments, are roughly divided into two major classes：One kind is made as wrist-watch and wears mode, and one kind, which is made lanyard and taken, in addition wears
Type；Both location equipments belong to the product of an attached carrying, are not easy to hide, and it is also inconvenient to carry, be also easy to allow old man,
Child leaves behind location equipment or loses location equipment imprudence.
The content of the invention
For in the prior art the defects of, the present invention, which provides, possesses the shoe-pad of position data collecting, and location equipment is integrated
On shoe-pad, the whereabouts of child or old man can be understood in time, it is easy to carry, it is not easy to be lost.
Possess the shoe-pad of position data collecting, including upper shoe-pad and lower shoe-pad, set between the upper shoe-pad and lower shoe-pad
There is interlayer；Also include locator, controller and the mixed-media network modules mixed-media being arranged in interlayer；
The locator obtains the current positional information of shoe-pad, and current number of coordinates is converted to by different coordinate systems
According to；The coordinate system is more sets, often covers coordinate system for the rectangular coordinate system in space using different location as origin；On the lower shoe-pad
Multiple buttons are additionally provided with, each button associates a set of coordinate system；When button is pressed, locator presses positional information by this
Coordinate system is converted to coordinate data corresponding to button；
Controller is used to upload the coordinate data after conversion by mixed-media network modules mixed-media.
Preferably, the origin of the coordinate system includes family, school, recreation ground, park, commercial circle or hospital.
Preferably, in addition to the electromagnetic shaker that is arranged in the interlayer；
The controller is used to calculate the current coordinate data of shoe-pad and the distance L of origin in the coordinate system of conversion, and sentences
Whether turn-off is less than the default maximum startup distance Lmax of electromagnetic shaker from L, if it is, driving the electromagnetic shaker according to below equation
Vibrations；
F=Fmax ÷ L；
Wherein, F is the vibration frequency of present vibration device, and Fmax is the default maximum vibration frequency of electromagnetic shaker.
Preferably, the controller be additionally operable to when detect current coordinate data with conversion coordinate system in origin away from
During maximum startup distance Lmax default less than electromagnetic shaker from L, the coordinate system Central Plains from current coordinate data to conversion is generated
The Walking Route of point；The controller is additionally operable to judge current coordinate data whether in Walking Route, if it is, driving institute
State electromagnetic shaker vibrations.
Preferably, in addition to the receiver that is arranged on shoe-pad, the D/A converting circuit being arranged in interlayer and power amplifier electricity
Road；The input of the output termination D/A converting circuit of the controller, the output of D/A converting circuit connect the input of power amplifier,
The output of power amplifier connects the receiver.
Preferably, the D/A converting circuit includes analog-digital chip and the first amplifier；The output of the controller
Terminate the input of analog-digital chip, the input of output the first amplifier of termination of analog-digital chip, the first amplifier
Output of the output end as the D/A converting circuit.
Preferably, the power amplifier includes amplifier U1, amplifier U2 and power amplifier chip U3；The amplifier U1
Input terminate the output of the D/A converting circuit, amplifier U1 output end connects the defeated of amplifier U2 by series capacitance C1
Enter end, amplifier U2 output end connects amplifier U2 input, amplifier U2 output termination work(by the first feedback circuit
Rate amplification chip U3 input, the output of power amplifier chip U3 output end as the power amplifier.
Preferably, first feedback circuit includes resistance R1, resistance R2, resistance R3, resistance R4 and resistance R12；Wherein
Resistance R1 and resistance R2 connect to form tie point, and resistance R3 and resistance R4 connect to form the second branch road, tie point and second
Branch circuit parallel connection；Described resistance R12 one end is connected on the common node between resistance R1 and resistance R2, and the resistance R12 is another
End is connected on the common node between resistance R3 and resistance R4；Common node between the resistance R2 and resistance R4 connects amplification
Device U2 output end, the common node between resistance R1 and resistance R2 connect amplifier U2 input.
Preferably, the output end of the power amplifier chip U3 connects the defeated of power amplifier chip U3 by the second feedback circuit
Enter end.
Preferably, second feedback circuit includes resistance R6, resistance R7, resistance R9, resistance R10 and resistance R11；Wherein
Resistance R7 and resistance R9 connects to form the 3rd branch road, and resistance R10, resistance R11 and resistance R6 connect to form the 4th branch road, the 3rd
Road and the 4th branch circuit parallel connection；Common node between resistance R9 and resistance R10 connects amplifier U2 output end；Resistance R6 and resistance
Common node between R7 connects amplifier U2 input.
As shown from the above technical solution, the shoe-pad provided by the invention for possessing position data collecting, possesses positioning function, and
And multiple places can be positioned, facilitate child or old man to find different addresses.The shoe-pad can upload current positional information
To mobile terminal, household is facilitated to understand the whereabouts of child or old man in time, it is easy to carry, it is not easy to be lost.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art.In all of the figs, similar element
Or part is typically identified by similar reference.In accompanying drawing, each element or part might not be drawn according to the ratio of reality.
Fig. 1 is the structural representation of shoe-pad in embodiment.
Fig. 2 is the localization method of shoe-pad in embodiment.
Fig. 3 is the circuit diagram of the power amplifier of shoe-pad in embodiment.
Embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Clearly illustrate technical scheme, therefore be only used as example, and the protection model of the present invention can not be limited with this
Enclose.It should be noted that unless otherwise indicated, technical term or scientific terminology used in this application are should be belonging to the present invention
The ordinary meaning that art personnel are understood.
Embodiment：
Possess the shoe-pad of position data collecting, as shown in Figure 1, 2, including upper shoe-pad 1 and lower shoe-pad 2, the upper He of shoe-pad 1
Interlayer 3 is provided between lower shoe-pad 2；Also include locator 5, controller 6 and the mixed-media network modules mixed-media 7 being arranged in interlayer；
The locator 5 obtains the current positional information of shoe-pad, and current coordinate is converted to by different coordinate systems
Data；The coordinate system is more sets, often covers coordinate system for the rectangular coordinate system in space using different location as origin；The lower shoe-pad
Multiple buttons 4 are additionally provided with 2, each button associates a set of coordinate system；When button is pressed, locator passes through positional information
Coordinate system corresponding to the button is converted to coordinate data；
Controller 6 is used to upload the coordinate data after conversion by mixed-media network modules mixed-media 7.
When it is implemented, utilize different coordinate system conversion positional informations so that wearer can more intuitively know with
The distance of destination.Such as coordinate system A origin is family, coordinate system B origin is school, and coordinate system C origin is recreation ground.
So, when old man or child, which go out, to do shopping, coordinate system A can be selected, presses button corresponding to coordinate system A, so changed
Coordinate data afterwards has truly reacted the distance of old man or child currently with family, can be most when having bought thing and needing to go home
The distance with family is known soon.When child's upper class hour, coordinate system B can be selected, button corresponding to coordinate system B is pressed, so turns
Coordinate data after changing truly has reacted distance of the child currently with school.When child or old man remove recreation ground, Ke Yixuan
With coordinate system C, button corresponding to coordinate system C is pressed, the coordinate data after so changing truly has reacted child or old man works as
The preceding and distance of recreation ground.Child or old man so can quickly, be intuitively helped to understand the currently position with default destination,
Child or old man is helped to be quickly found out destination.
The shoe-pad possesses positioning function, and can position multiple places, facilitates child or old man to find different addresses.
Current positional information can be uploaded to mobile terminal by the shoe-pad, facilitate household to understand the whereabouts of child or old man in time, be carried
It is convenient, it is not easy to be lost.
The origin of the coordinate system includes family, school, recreation ground, park, commercial circle or hospital.These origins can be by guarding
People or household's sets itself.
The shoe-pad also provides the function that shows the way.Also include the electromagnetic shaker 8 being arranged in the interlayer；
The controller 6 is used to calculate the current coordinate data of shoe-pad and the distance L of origin in the coordinate system of conversion, and sentences
Whether turn-off is less than the default maximum startup distance Lmax of electromagnetic shaker from L, if it is, driving the electromagnetic shaker according to below equation
8 vibrations；
F=Fmax ÷ L (L is more than 1 meter)；
Wherein, F is the vibration frequency of present vibration device, and Fmax is the default maximum vibration frequency of electromagnetic shaker.
For the shoe-pad when detecting that current distance destination is nearer, vibrations are stronger, and vibration frequency is higher.In order to avoid footwear
Pad shakes always in use, has preset maximum startup distance Lmax, has been opened when detecting with destination distance less than maximum
During dynamic distance Lmax, it is believed that user moves to the direction of destination, just drives electromagnetic shaker vibrations.Can from above-mentioned formula
To find out, vibration frequency is inversely proportional with distance L, i.e., when nearer from destination, vibrations are faster, and when more remote from destination, vibrations are got over
Slowly.Electromagnetic shaker vibrations are controlled in this way, the mental emotion design of people are also combined with, generally, when making
When user will arrive at, mood all can be more exciting, and velocity of vibration is improved for this, user has just been catered to and has swashed
Dynamic mood so that user starts to notice destination, and accelerates speed and arrive at.F span is 0~Fmax.L
Unit be rice, when L be less than 1 meter when, F=Fmax.
The controller 6 is additionally operable to when the distance L of origin in the coordinate system for detecting current coordinate data and conversion is small
When electromagnetic shaker default maximum startup distance Lmax, the step from current coordinate data origin into the coordinate system of conversion is generated
Walking along the street line；The controller is additionally operable to judge current coordinate data whether in Walking Route, if it is, driving the vibrations
Device shakes.
When the distance of user and destination is less than maximum startup distance Lmax, Walking Route is generated.When user works as
For anteposition when in Walking Route, driving electromagnetic shaker vibrations, the current moving direction of instruction user is correct, instructs user
Continued to move to according to current path.When moving direction deviates Walking Route, electromagnetic shaker does not shake, then convenient use person is timely
Ground changes moving direction, finds correct path.
As shown in figure 3, also include the receiver 9 being arranged on shoe-pad 2, the D/A converting circuit and work(being arranged in interlayer
Electric discharge road；The input of the output termination D/A converting circuit of the controller, the output of D/A converting circuit connect power amplifier
Input, the output of power amplifier connect the receiver.D/A converting circuit is used to the data signal of controller output being converted to mould
Intend signal.After power amplifier is used for the analog signal progress power amplification of logarithm analog conversion circuit output, exports to receiver, improve
The sound of receiver.
When it is implemented, controller can play Walking Route by receiver, old man or child is instructed to find destination,
The attention of surrounding population can be caused, after passerby hears voice, it is found that child or old man walk to stagger the time, child or old can be led in time
People is gone on correct path.
The D/A converting circuit includes analog-digital chip and the first amplifier；The output termination digital-to-analogue of the controller
The input of conversion chip, the input of output the first amplifier of termination of analog-digital chip, the output end of the first amplifier
Output as the D/A converting circuit.The model DAC0832 of the analog-digital chip.Using the digital-to-analogue of high integration
Conversion chip carries out digital-to-analogue conversion, improves the degree of accuracy of digital-to-analogue conversion, reduces circuit development difficulty.
In order to preferably improve the power of the analog signal of D/A converting circuit output so that the shoe-pad is applied to noisy
Environment, the power amplifier include amplifier U1, amplifier U2 and power amplifier chip U3；The input termination of the amplifier U1
The output of the D/A converting circuit, amplifier U1 output end connect amplifier U2 input by series capacitance C1, amplification
Device U2 output end connects amplifier U2 input, amplifier U2 output termination power amplifier chip by the first feedback circuit
U3 input, the output of power amplifier chip U3 output end as the power amplifier.The power amplifier chip U3's
Model LM1875.The analog signal of D/A converting circuit output carries out one-level amplification by amplifier U1 respectively, then by putting
After big device U2 carries out two level amplification, it is transferred to power amplifier chip U3 and carries out three-level amplification.Amplifier U2 multiplication factor is by
One feedback circuit determines.Electric capacity C1 plays buffer action.
First feedback circuit includes resistance R1, resistance R2, resistance R3, resistance R4 and resistance R12；Wherein resistance R1 and
Resistance R2 connects to form tie point, and resistance R3 and resistance R4 connect to form the second branch road, tie point and the second branch circuit parallel connection；
Described resistance R12 one end is connected on the common node between resistance R1 and resistance R2, and the resistance R12 other ends are connected to electricity
Hinder on the common node between R3 and resistance R4；Common node between the resistance R2 and resistance R4 connects amplifier U2 output
End, the common node between resistance R1 and resistance R2 connect amplifier U2 input.
The output end of the power amplifier chip U3 connects power amplifier chip U3 input by the second feedback circuit.Work(
Rate amplification chip U3 multiplication factor is determined by the second feedback circuit.
Second feedback circuit includes resistance R6, resistance R7, resistance R9, resistance R10 and resistance R11；Wherein resistance R7
Connect to form the 3rd branch road with resistance R9, resistance R10, resistance R11 and resistance R6 connect to form the 4th branch road, the 3rd branch road and
Four branch circuit parallel connections；Common node between resistance R9 and resistance R10 connects amplifier U2 output end；Between resistance R6 and resistance R7
Common node connect amplifier U2 input.The feedback resistance R of second feedback circuit is calculated by following formula：
R=(R7+R9+R10+R11+R6)/[(R10+R11+R6) * (R7+R9)].
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.
Claims (10)
1. possess the shoe-pad of position data collecting, it is characterised in that including upper shoe-pad and lower shoe-pad, the upper shoe-pad and lower shoe-pad
Between be provided with interlayer；Also include locator, controller and the mixed-media network modules mixed-media being arranged in interlayer；
The locator obtains the current positional information of shoe-pad, and current coordinate data is converted to by different coordinate systems；
The coordinate system is more sets, often covers coordinate system for the rectangular coordinate system in space using different location as origin；On the lower shoe-pad also
Multiple buttons are provided with, each button associates a set of coordinate system；When button is pressed, positional information is passed through the button by locator
Corresponding coordinate system is converted to coordinate data；
Controller is used to upload the coordinate data after conversion by mixed-media network modules mixed-media.
2. possess the shoe-pad of position data collecting according to claim 1, it is characterised in that
The origin of the coordinate system includes family, school, recreation ground, park, commercial circle or hospital.
3. possesses the shoe-pad of position data collecting according to claim 1, it is characterised in that also include being arranged on the interlayer
Interior electromagnetic shaker；
The controller be used for calculate the current coordinate data of shoe-pad with conversion coordinate system in origin distance L, and judge away from
Whether it is less than the default maximum startup distance Lmax of electromagnetic shaker from L, if it is, driving the electromagnetic shaker to shake according to below equation
It is dynamic；
F=Fmax ÷ L；
Wherein, F is the vibration frequency of present vibration device, and Fmax is the default maximum vibration frequency of electromagnetic shaker.
4. possess the shoe-pad of position data collecting according to claim 3, it is characterised in that
The controller is additionally operable to when the distance L for detecting origin in coordinate system of the current coordinate data with conversion is less than vibrations
When the default maximum of device starts distance Lmax, the pedestrian-way from current coordinate data origin into the coordinate system of conversion is generated
Line；The controller is additionally operable to judge current coordinate data whether in Walking Route, if it is, driving the electromagnetic shaker to shake
It is dynamic.
5. possess the shoe-pad of position data collecting according to claim 1, it is characterised in that
Also include the receiver being arranged on shoe-pad, the D/A converting circuit and power amplifier being arranged in interlayer；The control
The input of the output termination D/A converting circuit of device, the output of D/A converting circuit connect the input of power amplifier, power amplifier
Output connects the receiver.
6. possess the shoe-pad of position data collecting according to claim 5, it is characterised in that
The D/A converting circuit includes analog-digital chip and the first amplifier；The output termination digital-to-analogue conversion of the controller
The input of chip, the input of output the first amplifier of termination of analog-digital chip, the output end conduct of the first amplifier
The output of the D/A converting circuit.
7. possess the shoe-pad of position data collecting according to claim 5, it is characterised in that
The power amplifier includes amplifier U1, amplifier U2 and power amplifier chip U3；The input termination of the amplifier U1
The output of the D/A converting circuit, amplifier U1 output end connect amplifier U2 input by series capacitance C1, amplification
Device U2 output end connects amplifier U2 input, amplifier U2 output termination power amplifier chip by the first feedback circuit
U3 input, the output of power amplifier chip U3 output end as the power amplifier.
8. possess the shoe-pad of position data collecting according to claim 7, it is characterised in that
First feedback circuit includes resistance R1, resistance R2, resistance R3, resistance R4 and resistance R12；Wherein resistance R1 and resistance
R2 connects to form tie point, and resistance R3 and resistance R4 connect to form the second branch road, tie point and the second branch circuit parallel connection；It is described
Resistance R12 one end is connected on the common node between resistance R1 and resistance R2, and the resistance R12 other ends are connected to resistance R3
On common node between resistance R4；Common node between the resistance R2 and resistance R4 connects amplifier U2 output end,
Common node between resistance R1 and resistance R2 connects amplifier U2 input.
9. possess the shoe-pad of position data collecting according to claim 7, it is characterised in that
The output end of the power amplifier chip U3 connects power amplifier chip U3 input by the second feedback circuit.
10. possess the shoe-pad of position data collecting according to claim 9, it is characterised in that
Second feedback circuit includes resistance R6, resistance R7, resistance R9, resistance R10 and resistance R11；Wherein resistance R7 and electricity
Resistance R9 connects to form the 3rd branch road, and resistance R10, resistance R11 and resistance R6 connect to form the 4th branch road, the 3rd branch road and the 4th
Road is in parallel；Common node between resistance R9 and resistance R10 connects amplifier U2 output end；Public affairs between resistance R6 and resistance R7
Conode connects amplifier U2 input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071406.9A CN107874366B (en) | 2017-11-03 | 2017-11-03 | Shoe-pad that possesses location data collection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071406.9A CN107874366B (en) | 2017-11-03 | 2017-11-03 | Shoe-pad that possesses location data collection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107874366A true CN107874366A (en) | 2018-04-06 |
| CN107874366B CN107874366B (en) | 2020-09-25 |
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ID=61778787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711071406.9A Expired - Fee Related CN107874366B (en) | 2017-11-03 | 2017-11-03 | Shoe-pad that possesses location data collection |
Country Status (1)
| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2836337Y (en) * | 2005-09-14 | 2006-11-08 | 胡德荣 | Low-frequency single track power amplifier |
| CN104101341A (en) * | 2013-04-02 | 2014-10-15 | 广州三星通信技术研究有限公司 | Method for positioning between mobile terminals and mobile terminal using the same |
| CN105427559A (en) * | 2015-12-14 | 2016-03-23 | 腾讯科技（深圳）有限公司 | Intelligent shoe and positioning system based on same |
| JP2017074229A (en) * | 2015-10-15 | 2017-04-20 | 株式会社おもてなしコーディネーター | Inner sole |
| CN206491399U (en) * | 2016-12-20 | 2017-09-15 | 许昌学院 | A kind of wearable navigation equipment of intelligent shoe cushion |
-
2017
- 2017-11-03 CN CN201711071406.9A patent/CN107874366B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2836337Y (en) * | 2005-09-14 | 2006-11-08 | 胡德荣 | Low-frequency single track power amplifier |
| CN104101341A (en) * | 2013-04-02 | 2014-10-15 | 广州三星通信技术研究有限公司 | Method for positioning between mobile terminals and mobile terminal using the same |
| JP2017074229A (en) * | 2015-10-15 | 2017-04-20 | 株式会社おもてなしコーディネーター | Inner sole |
| CN105427559A (en) * | 2015-12-14 | 2016-03-23 | 腾讯科技（深圳）有限公司 | Intelligent shoe and positioning system based on same |
| CN206491399U (en) * | 2016-12-20 | 2017-09-15 | 许昌学院 | A kind of wearable navigation equipment of intelligent shoe cushion |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107874366B (en) | 2020-09-25 |
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Granted publication date: 20200925 |