CN105318868A - Navigation information acquisition method and device and mobile terminal - Google Patents
Navigation information acquisition method and device and mobile terminal Download PDFInfo
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- CN105318868A CN105318868A CN201410243717.9A CN201410243717A CN105318868A CN 105318868 A CN105318868 A CN 105318868A CN 201410243717 A CN201410243717 A CN 201410243717A CN 105318868 A CN105318868 A CN 105318868A
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- 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
- G01C21/10—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration
- G01C21/12—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning
- G01C21/14—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by using measurements of speed or acceleration executed aboard the object being navigated; Dead reckoning by recording the course traversed by the object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C22/00—Measuring distance traversed on the ground by vehicles, persons, animals or other moving solid bodies, e.g. using odometers, using pedometers
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- Radar, Positioning & Navigation (AREA)
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
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Abstract
The invention discloses a navigation information acquisition method and device and a mobile terminal. According to the navigation information acquisition method, the mobile terminal continuously acquires travel distances and directions corresponding to orderly connected multiple road sections, wherein the travel directions of each two adjacent road sections are different, and according to the acquired travel distances and directions, the mobile terminal carries out statistics on travel route navigation information of the multiple road sections. Through the technical scheme provided by the invention, a travel route can be recorded only by built-in hardware in a mobile terminal without use of an external resource, and the recorded route is further displayed or processed so that mobile terminal user experience is improved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of acquisition methods and device, mobile terminal of navigation information.
Background technology
In the last few years, along with the development of terminal technology and the extensively universal of intelligent mobile terminal, intelligent terminal, as the instrument carried with, had become indispensable " partner " in daily life.There is such demand in people, namely need to record the current course reached the destination so that follow-up Long-Time Service or the only use when returning from destination Yuan Lu under some special screnes.But, usually the restriction due to environmental factor may be there is under these scenes, the external service such as GPS (GPS) cannot be used or Data support cannot be obtained, such as: advance under severe field environment, explore in the building of complexity, find vehicle at very large underground garage.
Under these special occasions above-mentioned, due to communication apparatus imperfection or cannot external signal be received, so adopt the similar devices such as GPS to position and the mode recording route is difficult to play a role, thus make user cannot record current course by existing manner, thus reduce Consumer's Experience.
Therefore, lack a kind of when not by external resource in correlation technique, only rely on the internal components of intelligent terminal itself can help the problem of user record course.
Summary of the invention
The invention provides a kind of acquisition methods and device, mobile terminal of navigation information, at least to solve mobile terminal in correlation technique when not by the problem that cannot record course when external resource.
According to an aspect of the present invention, a kind of acquisition methods of navigation information is provided.
Acquisition methods according to the navigation information of the embodiment of the present invention comprises: mobile terminal obtains the travel distance corresponding with each section and direct of travel on multiple sections of connecting in turn continuously, and wherein, the direct of travel on two adjacent segments is different; Mobile terminal is the course navigation information on multiple section according to the travel distance got and direct of travel statistics.
Preferably, the travel distance that acquisition for mobile terminal is corresponding with each section comprises: mobile terminal is according to the number of times performing repetitive operation on each section of the gravity motion change calculations motion carrier of motion carrier in the traveling process of each section; Mobile terminal adopts the displacement and number of times that motion carrier is performing each action advance obtained in advance to carry out multiplying, asks for the travel distance on each section.
Preferably, the direct of travel that acquisition for mobile terminal is corresponding with each section comprises: mobile terminal utilizes the acceleration of motion carrier in the horizontal direction in each section to calculate the moving direction of motion carrier; Moving direction and the bearing data got by electronic compass are compared by mobile terminal, calculate the position angle of moving direction; Mobile terminal determines the direct of travel on each section according to position angle.
Preferably, mobile terminal comprises according to the travel distance got and direct of travel statistics course navigation information: the travel distance that mobile terminal utilizes motion carrier on each section and direct of travel are drawn the route map in this section and recorded the road information in this section; The road information in the route map in each section of drawing out and each section of record gathers by mobile terminal, obtains course navigation information.
Preferably, after mobile terminal is according to the travel distance got and direct of travel statistics course navigation information, also comprise: mobile terminal shows course navigation information.
According to a further aspect in the invention, a kind of acquisition device of navigation information is provided.
Acquisition device according to the navigation information of the embodiment of the present invention comprises: acquisition module, and for obtaining the travel distance corresponding with each section and direct of travel on the multiple sections connected in turn continuously, wherein, the direct of travel on two adjacent segments is different; Statistical module, for the course navigation information on multiple section according to the travel distance got and direct of travel statistics.
Preferably, acquisition module comprises: the first computing unit, for the number of times performing repetitive operation on each section according to the gravity motion change calculations motion carrier of motion carrier in the traveling process of each section; Second computing unit, for adopting the displacement and number of times that motion carrier is performing each action advance obtained in advance to carry out multiplying, asks for the travel distance on each section.
Preferably, acquisition module comprises: the 3rd computing unit, for utilizing the moving direction of the acceleration measuring and calculating motion carrier of motion carrier in the horizontal direction in each section; 4th computing unit, for moving direction and the bearing data got by electronic compass being compared, calculates the position angle of moving direction; Determining unit, for determining the direct of travel on each section according to position angle.
Preferably, statistical module comprises: processing unit, draws the route map in this section for utilizing the travel distance of motion carrier on each section and direct of travel and records the road information in this section; Statistic unit, for being gathered by the road information in the route map in each section of drawing out and each section of record, obtains course navigation information.
Preferably, said apparatus also comprises: display module, for showing course navigation information.
According to another aspect of the invention, a kind of mobile terminal is provided.
Mobile terminal according to the embodiment of the present invention comprises: the acquisition device of above-mentioned navigation information.
By the embodiment of the present invention, adopt mobile terminal to obtain the travel distance corresponding with each section and direct of travel on multiple sections of connecting in turn continuously, wherein, the direct of travel on two adjacent segments is different; Mobile terminal is the course navigation information on multiple section according to the travel distance got and direct of travel statistics, solve mobile terminal in correlation technique when not by the problem that cannot record course when external resource, and then when not using external resource, only rely on the built in hardware of mobile terminal just can record course, can also further the course of record be shown or be processed, and then be improve the experience of mobile phone users.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the process flow diagram of the acquisition methods of navigation information according to the embodiment of the present invention;
Fig. 2 is the process flow diagram estimating user's course method according to the preferred embodiment of the invention;
Fig. 3 is the structured flowchart of the acquisition device of navigation information according to the embodiment of the present invention;
Fig. 4 is the structured flowchart of the acquisition device of navigation information according to the preferred embodiment of the invention;
Fig. 5 is the structural representation estimating user's course device according to the preferred embodiment of the invention.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Fig. 1 is the process flow diagram of the acquisition methods of navigation information according to the embodiment of the present invention.As shown in Figure 1, the method can comprise following treatment step:
Step S102: mobile terminal obtains the travel distance corresponding with each section and direct of travel on multiple sections of connecting in turn continuously, wherein, the direct of travel on two adjacent segments is different;
Step S104: mobile terminal is the course navigation information on multiple section according to the travel distance got and direct of travel statistics.
Mobile terminal in correlation technique is when cannot not recording course by when external resource.Adopt method as shown in Figure 1, when not by external resource, mobile terminal self can by obtaining the travel distance corresponding with each section and direct of travel successively from reference position to multiple sections that final position terminates, and then carry out adding up to the travel distance in each section and direct of travel and can obtain complete course navigation information.Solve mobile terminal in correlation technique thus when not by the problem that cannot record course when external resource, and then when not using external resource, only rely on the built in hardware of mobile terminal just can record course, can also further the course of record be shown or be processed, and then be improve the experience of mobile phone users.
Preferably, in step s 102, the travel distance that acquisition for mobile terminal is corresponding with each section can comprise following operation:
Step S1: mobile terminal is according to the number of times performing repetitive operation on each section of the gravity motion change calculations motion carrier of motion carrier in the traveling process of each section;
Step S2: mobile terminal adopts the displacement and number of times that motion carrier is performing each action advance obtained in advance to carry out multiplying, asks for the travel distance on each section.
In a preferred embodiment, can respond to by acceleration transducer the number of times that user carries out regular motion, such as: the step number of advancing.Namely by acceleration transducer supervisory user walk or the gravity motion of running in this kind of regular motion process calculate the step number of advancing, be multiplied by the step pitch pre-setting or estimate simultaneously, the distance that user advances in specific road section can be calculated.People in the process of walking, pin, leg, waist and arm are all in motion, their athletic meeting produces acceleration, and also there is a peak value at certain point, therefore, detecting step number according to the acceleration of pin is the most accurately, but considers easy to carry, usually be all the motion of Selection utilization waist, namely utilize the acceleration in vertical direction to detect step number by acceleration transducer.
Calculating as step pitch can adopt various ways to set, such as: user can arrange the size of step pitch voluntarily, or, travel distance can also be calculated by GPS and mode divided by step number is estimated.If need user to arrange the size of step pitch voluntarily, the interface that can arrange step pitch should be provided to user, the step pitch of recording user input.If use GPS to calculate the size of step pitch, then should providing GPS positioning function, by not stopping to locate the position in advancing to estimate the distance of advancing, then divided by the step number that passometer is calculated, thus obtaining step pitch of each step.
Preferably, in step s 102, the direct of travel that acquisition for mobile terminal is corresponding with each section can comprise the following steps:
Step S3: mobile terminal utilizes the moving direction of the acceleration measuring and calculating motion carrier of motion carrier in the horizontal direction in each section;
Step S4: moving direction and the bearing data got by electronic compass are compared by mobile terminal, calculates the position angle of moving direction;
Step S5: mobile terminal determines the direct of travel on each section according to position angle.
In a preferred embodiment, electronic compass and acceleration transducer can be utilized to detect the direction of current movement.Electronic compass, generally can indicate the direction of the four corners of the world by the direction of inductively signal magnetic field.This is one proven technique, and it needs hardware and software to support simultaneously, and current most intelligent terminal all supports electronic compass.Acceleration transducer can calculate the acceleration of three axles, except the acceleration of vertical direction, also has the acceleration of horizontal direction.When user when walking, except the acceleration of vertical direction, the acceleration of horizontal direction also can have influence on acceleration transducer.Therefore, the direction of horizontal acceleration can be calculated, the direction of namely walking, in conjunction with the orientation of the four corners of the world of electronic compass instruction by acceleration transducer, calculate the position angle of the moving direction of current road segment, just can draw the direct of travel in each section.
Preferably, in step S104, mobile terminal can comprise following operation according to the travel distance got and direct of travel statistics course navigation information:
Step S6: mobile terminal utilizes the travel distance of motion carrier on each section and direct of travel draw the route map in this section and record the road information in this section;
Step S7: the road information in the route map in each section of drawing out and each section of record gathers by mobile terminal, obtains course navigation information.
In a preferred embodiment, the number of times that the regularity that can be got in conjunction with acceleration transducer again by the distance of carrying out each regular motion on each section is moved calculates the move distance on each section.In addition, after the orientation of the four corners of the world can also being determined according to electronic compass, obtained the concrete direction of carrying out regular motion on each section by acceleration transducer.Complete route map can be obtained by carrying out statistics to the travel distance on each section and direct of travel again, the road information relevant to whole route (can comprise: traffic information, indicate the positional information etc. of buildings) can also be obtained.
Preferably, in step S104, mobile terminal, according to after the travel distance got and direct of travel statistics course navigation information, can also comprise following operation:
Step S8: mobile terminal shows course navigation information.Namely can be shown intuitively by modes such as images, for user's reference in addition.
Below in conjunction with the preferred implementation shown in Fig. 2, above-mentioned preferred implementation process is further described.
Fig. 2 is the process flow diagram estimating user's course method according to the preferred embodiment of the invention.As shown in Figure 2, this flow process can comprise following treatment step:
Step S202: system starts and performs initialization operation, both can initiatively select to start the intensity of variation that also can preset environmentally factor by user automatically to start, such as: when environmental baseline is comparatively severe, when GPS cannot be detected, automatically start;
Step S204: the bearing data obtaining the four corners of the world from electronic compass, as the reference of direction of motion;
Step S206: when user's setting in motion, the sensed data that can be obtained in the horizontal direction by acceleration transducer obtains the direction of motion of user, at the bearing data got according to electronic compass, finally determines the concrete direction of user movement;
Step S208: in addition, when user's setting in motion, can also obtain the number of times of motion by acceleration transducer, this motion must be regular motion, such as: judge once to take a step by the acceleration of vertical direction during walking, user is after completing once regular motion, and number of times adds 1;
Step S210: judge whether the direction of each motion changes by acceleration transducer; Keep current record when direction of motion does not change, and monitored the change in direction by acceleration transducer always; Forward step S206 to; When direction of motion changes, continue to perform step S212;
Step S212: the travel distance got in record current road segment and direct of travel, then prepares the record operation in next section;
Step S214: judge whether motion process terminates, initiatively can be selected to terminate or automatically terminate according to environmental change by user; If motion does not terminate, then forward step S204 to; Otherwise, continue to perform step S216;
Step S216: after motion process terminates, times of exercise when can adopt each specific road section (namely direction of motion does not change) and direction of motion, and the size of step pitch or the size of use GPS measuring and calculating step pitch are set voluntarily according to user, draw the course of each specific road section, finally the course of each specific road section is combined, just can form this complete path figure advanced of user;
Step S218, if need the complete path figure that this advanced or the details relevant to route map to show, then can be shown according to the actual requirements, only can show the course in certain specific road section, complete course can be shown.
So far, process and the record of a course navigation information is completed.
Fig. 3 is the structured flowchart of the acquisition device of navigation information according to the embodiment of the present invention.As shown in Figure 3, the acquisition device of this navigation information can comprise: acquisition module 10, and for obtaining the travel distance corresponding with each section and direct of travel on the multiple sections connected in turn continuously, wherein, the direct of travel on two adjacent segments is different; Statistical module 20, for the course navigation information on multiple section according to the travel distance got and direct of travel statistics.
Adopt device as shown in Figure 3, solve mobile terminal in correlation technique when not by the problem that cannot record course when external resource, and then when not using external resource, only rely on the built in hardware of mobile terminal just can record course, can also further the course of record be shown or be processed, and then be improve the experience of mobile phone users.
Preferably, as shown in Figure 4, acquisition module 10 can comprise: the first computing unit 100, for the number of times performing repetitive operation on each section according to the gravity motion change calculations motion carrier of motion carrier in the traveling process of each section; Second computing unit 102, for adopting the displacement and number of times that motion carrier is performing each action advance obtained in advance to carry out multiplying, asks for the travel distance on each section.
Preferably, as shown in Figure 4, acquisition module 10 can comprise: the 3rd computing unit 104, for utilizing the moving direction of the acceleration measuring and calculating motion carrier of motion carrier in the horizontal direction in each section; 4th computing unit 106, for moving direction and the bearing data got by electronic compass being compared, calculates the position angle of moving direction; Determining unit 108, for determining the direct of travel on each section according to position angle.
Preferably, as shown in Figure 4, statistical module 20 can comprise: processing unit 200, draws the route map in this section for utilizing the travel distance of motion carrier on each section and direct of travel and records the road information in this section; Statistic unit 202, for being gathered by the road information in the route map in each section of drawing out and each section of record, obtains course navigation information.
Preferably, as shown in Figure 4, said apparatus can also comprise: display module 30, for showing course navigation information.
As a preferred embodiment of the present invention, Fig. 5 is the structural representation estimating user's course device according to the preferred embodiment of the invention.As shown in Figure 5, this estimation user course device has the ability calculating user's travel distance and direct of travel, thus the course of estimation mobile phone users, it can comprise: range finder module (being equivalent to the partial function in above-mentioned acquisition module), direction inductor module (being equivalent to the partial function in above-mentioned acquisition module), message processing module (being equivalent to above-mentioned statistical module) and display module (being equivalent to above-mentioned display module).The preferred working method that modules be combined with each other is as follows:
(1) range finder module, for responding to by acceleration transducer the number of times that user carries out regular motion, such as: the step number of advancing.
In the preferred embodiment, the number of times that can be moved by regularity calculates the distance that user advances, its principle is: by acceleration transducer supervisory user walk or the gravity motion of running in this kind of regular motion process calculate the step number of advancing, be multiplied by the step pitch pre-setting or estimate simultaneously, the distance that user advances in specific road section can be calculated.
In sum, range finder module is mainly used to detect the number of times of regular movement, can also arrange the size of step pitch voluntarily in conjunction with above-mentioned user or use GPS to calculate the size of step pitch, thus calculates the distance that user advances in specific road section.
(2) direction inductor module, is used for the direction that recording user advances in specific road section, and its principle is: utilize electronic compass and acceleration transducer to detect the direction of current movement.
In the preferred embodiment, the preferred method of operation of acceleration transducer can be different according to application scenarios, acceleration when advancing to different objects processes, such as: people's normal acceleration when walking and horizontal acceleration, utilize normal acceleration can obtain mobile number of times, utilize horizontal acceleration to obtain moving direction; And the sensor be arranged on wheel can obtain number of run according to centrifugal acceleration, then obtain moving direction according to inertial acceleration.
(3) data got from range finder module and direction inductor module are carried out Storage and Processing by message processing module, thus obtain direction that user moves in multiple specific road section and distance.
Because range finder module has the function calculating times of exercise, preferably, can the size of step pitch be set voluntarily in conjunction with above-mentioned user or use GPS to calculate the size of step pitch, thus obtain the distance of each regular motion, the number of times that the regularity got in conjunction with acceleration transducer is again moved calculates move distance, passes to message processing module.Direction inductor module has electronic compass and paratonic movement direction function, determine the orientation of the four corners of the world according to electronic compass after, the concrete direction of regular motion is obtained by acceleration transducer, pass to message processing module, the direction of regular motion in multiple specific road section can be determined thus.
The travel distance that message processing module calculates in conjunction with range finder module and the direction of travel that direction inductor module is determined, just can calculate the course of user smoothly.
(4) data obtained from message processing module are shown by modes such as images by display module intuitively.
As another preferred embodiment of the present invention, additionally provide a kind of mobile terminal.This mobile terminal comprises: the acquisition device of above-mentioned navigation information.Between modules in the terminal and unit, the preferred working method of mutual operation see the content described in the acquisition device of above-mentioned navigation information, can repeat no more herein.
From above description, can find out, above embodiments enable following technique effect (it should be noted that these effects are effects that some preferred embodiment can reach): adopt the technical scheme that the embodiment of the present invention provides, when not by external resource, mobile terminal self can by obtaining the travel distance corresponding with each section and direct of travel successively from reference position to multiple sections that final position terminates, and then statistics is carried out to the travel distance in each section and direct of travel can obtain complete course navigation information.Solve mobile terminal in correlation technique thus when not by the problem that cannot record course when external resource, and then when not using external resource, only rely on the built in hardware of mobile terminal just can record course, can also further the course of record be shown or be processed, and then be improve the experience of mobile phone users.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an acquisition methods for navigation information, is characterized in that, comprising:
Mobile terminal obtains the travel distance corresponding with each section and direct of travel on multiple sections of connecting in turn continuously, and wherein, the direct of travel on two adjacent segments is different;
Described mobile terminal is the course navigation information on described multiple section according to the travel distance got and direct of travel statistics.
2. method according to claim 1, is characterized in that, the travel distance that described acquisition for mobile terminal is corresponding with each section comprises:
The number of times that each section performs repetitive operation of described mobile terminal motion carrier according to the gravity motion change calculations of motion carrier in the traveling process of each section;
Described mobile terminal adopts the displacement and described number of times that described motion carrier is performing each action advance obtained in advance to carry out multiplying, asks for the travel distance on each section.
3. method according to claim 1, is characterized in that, the direct of travel that described acquisition for mobile terminal is corresponding with each section comprises:
Described mobile terminal utilizes the acceleration of motion carrier in the horizontal direction in each section to calculate the moving direction of described motion carrier;
Described moving direction and the bearing data got by electronic compass are compared by described mobile terminal, calculate the position angle of described moving direction;
Described mobile terminal determines the direct of travel on each section according to described position angle.
4. method according to claim 1, is characterized in that, described mobile terminal is added up described course navigation information according to the travel distance got and direct of travel and comprised:
Described mobile terminal utilizes the travel distance of motion carrier on each section and direct of travel draw the route map in this section and record the road information in this section;
The road information in the route map in each section of drawing out and each section of record gathers by described mobile terminal, obtains described course navigation information.
5. method according to claim 4, is characterized in that, after described mobile terminal adds up described course navigation information according to the travel distance got and direct of travel, also comprises:
Described mobile terminal shows described course navigation information.
6. an acquisition device for navigation information, is characterized in that, comprising:
Acquisition module, for obtaining the travel distance corresponding with each section and direct of travel on the multiple sections connected in turn continuously, wherein, the direct of travel on two adjacent segments is different;
Statistical module, for the course navigation information on described multiple section according to the travel distance got and direct of travel statistics.
7. device according to claim 6, is characterized in that, described acquisition module comprises:
First computing unit, for the number of times performing repetitive operation on each section of motion carrier according to the gravity motion change calculations of motion carrier in the traveling process of each section;
Second computing unit, for adopting the displacement and described number of times that described motion carrier is performing each action advance obtained in advance to carry out multiplying, asks for the travel distance on each section.
8. device according to claim 6, is characterized in that, described acquisition module comprises:
3rd computing unit, for the moving direction utilizing the acceleration of motion carrier in the horizontal direction in each section to calculate described motion carrier;
4th computing unit, for described moving direction and the bearing data got by electronic compass being compared, calculates the position angle of described moving direction;
Determining unit, for determining the direct of travel on each section according to described position angle.
9. device according to claim 8, is characterized in that, described statistical module comprises:
Processing unit, draws the route map in this section for utilizing the travel distance of motion carrier on each section and direct of travel and records the road information in this section;
Statistic unit, for being gathered by the road information in the route map in each section of drawing out and each section of record, obtains described course navigation information.
10. device according to claim 9, is characterized in that, described device also comprises:
Display module, for showing described course navigation information.
11. 1 kinds of mobile terminals, is characterized in that, comprising: the device according to any one of claim 6 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410243717.9A CN105318868A (en) | 2014-06-03 | 2014-06-03 | Navigation information acquisition method and device and mobile terminal |
| PCT/CN2014/092076 WO2015184741A1 (en) | 2014-06-03 | 2014-11-24 | Navigation information acquisition method and device, and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410243717.9A CN105318868A (en) | 2014-06-03 | 2014-06-03 | Navigation information acquisition method and device and mobile terminal |
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| CN105651304A (en) * | 2016-03-22 | 2016-06-08 | 广州市中海达测绘仪器有限公司 | Golf ball range-measurement system and method |
| WO2018045508A1 (en) | 2016-09-07 | 2018-03-15 | Microsoft Technology Licensing, Llc. | Indoor navigation |
| US10697778B2 (en) | 2016-09-07 | 2020-06-30 | Microsoft Technology Licensing, Llc | Indoor navigation |
| US11085772B2 (en) | 2016-09-07 | 2021-08-10 | Microsoft Technology Licensing, Llc | Indoor navigation |
| CN110068328A (en) * | 2018-01-22 | 2019-07-30 | 腾讯科技（深圳）有限公司 | Navigation routine generation method, device, computer readable storage medium and computer equipment |
| CN110796888A (en) * | 2019-10-29 | 2020-02-14 | 广东乐心医疗电子股份有限公司 | Parking position searching method and device, electronic equipment and readable storage medium |
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| WO2015184741A1 (en) | 2015-12-10 |
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