WO2013057730A1 - Système et procédé de suivi d'un emplacement - Google Patents

Système et procédé de suivi d'un emplacement Download PDF

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Publication number
WO2013057730A1
WO2013057730A1 PCT/IL2012/000362 IL2012000362W WO2013057730A1 WO 2013057730 A1 WO2013057730 A1 WO 2013057730A1 IL 2012000362 W IL2012000362 W IL 2012000362W WO 2013057730 A1 WO2013057730 A1 WO 2013057730A1
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WO
WIPO (PCT)
Prior art keywords
user
application
changes
tracking
identifying
Prior art date
Application number
PCT/IL2012/000362
Other languages
English (en)
Inventor
Eyal SHVIMER
Yoram Zer
Original Assignee
Shvimer Eyal
Yoram Zer
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shvimer Eyal, Yoram Zer filed Critical Shvimer Eyal
Publication of WO2013057730A1 publication Critical patent/WO2013057730A1/fr

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Classifications

    • 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

Definitions

  • the present invention relates generally to applications that are running on a Smartphone. More particularly, the present invention relates to an application that directs users on their return to origin place from destination place.
  • GPS Global Positioning Systems
  • a method for tracking a path from a predefined origin location using an application that is running on a mobile computerized device which includes an acceleration sensor and an orientation sensor is provided herein.
  • the method is comprising the following steps: (i) starting a tracking session; (ii) measuring and identifying changes of direction throughout user walk using the orientation sensor; (iii) measuring distance between every two identified changes of direction and saving the distance and respective direction;
  • the method is further comprising the step of measuring acceleration of the motion of the user for identifying velocity or acceleration that is exceeding user average walking velocity or acceleration.
  • the method is further comprising the step of detecting user presence within an elevator based on acceleration measurements.
  • the method is further comprising the step of identifying user entrance into an elevator based on measurements of a magnetic sensor upon identifying time period in which the magnetic signals are unavailable.
  • the method is further comprising upon identifying end of time period where the signals are not available, starting a new tracking session.
  • the method is further comprising the step of creating at least one map based on measurements of the distances and changes of direction.
  • a method for tracking a path from a predefined origin location using an application that is running on mobile computerized device which includes acceleration sensor and orientation sensor is provided herein.
  • the method is comprising the following steps: (i) starting a tracking session setting first origin location; (ii) measuring and identifying direction changes throughout user walking using the orientation sensor; (iii) measuring distance between every two identified changes of direction and saving the distance and respective direction; (iv) determining arrival to destination and ending tracking session; (v) providing the user an option to track the origin location from a destination based on saved changes of direction and the distance that were measured between every two changes of direction; (vi) starting new session upon identifying at least one of: entrance into enclosed location based on data of a magnetic sensor; (vii) identifying acceleration or movement in the vertical axis;
  • an application for tracking a path from a predefined location (origin location) that is running on a mobile computerized device which includes an acceleration sensor and an orientation sensor is provided herein.
  • the application is comprising of the following: (i) a tracking module; (ii) a Global Positioning System (GPS) module; and (iii) a guiding module, wherein upon start of the tracking module, it is performing measuring and identifying changes of direction throughout user walk using the orientation sensor,
  • GPS Global Positioning System
  • the tracking module is performing measuring of distance between every two identified changes of direction and saving the distance and respective direction, wherein upon determining of arrival to destination, ending tracking session, and wherein providing a user an option to track the origin location from a destination based on saved changes of direction and the distances that were measured between every two changes of direction by instruction or map creating module and a map guiding module.
  • the tracking module is further comprising the step of measuring acceleration of the motion of the user for identifying velocity or acceleration that is exceeding user average walking velocity or acceleration.
  • the tracking module is further comprising the step of detecting user presence within an elevator based on acceleration measurements.
  • the tracking module is further comprising the step of identifying user entrance into an elevator based on measurements of a magnetic sensor upon identifying time period in which the magnetic signals are unavailable.
  • the tracking module is further comprising upon identifying end of time period where the signals are not available, starting a new tracking session.
  • the guiding module is further comprising the step of creating at least one map based on measurements of the distances and changes of direction.
  • the guiding module is further comprising the step of creating guiding instructions based on measurements of the distances and changes of direction.
  • the guiding module provide the user with animated guiding indicator which show the correct direction any given time.
  • Figure 1 is a top view of data input of a user walking in route from an origin place to destination, according to some embodiments of the invention
  • Figure 2 is a block diagram of components of a Smartphone application to create a list of directions from destination to origin, according to some embodiments of the invention
  • Figure 3 is a high level flowchart illustrating usage of an application that is running on a Smartphone to create a list of directions from destination to origin, according to some embodiments of the invention
  • Figure 4 is a high level flowchart illustrating creation of guiding instructions or a map, according to some embodiments of the invention
  • Figure 5 is a high level flowchart illustrating operation of a map guiding module, according to some embodiments of the invention.
  • Figure 6 is a block diagram of a screen of a Smartphone application to create a list of directions from destination to origin, according to some embodiments of the invention
  • FIG. 7 is a high level flowchart illustrating operation of a GPS module, according to some embodiments of the invention.
  • Figure 8 is a high level flowchart illustrating usage of an application that is running on a Smartphone to create a list of directions from destination to origin, according to some embodiments of the invention
  • Figure 9 is a screen illustration of insertion of details of a user, according to some embodiments of the invention.
  • Figure 10 is an illustration of a screen for insertion of description of a parking vehicle in origin and its surrounding area, according to some embodiments of the invention.
  • Figure 11 is a screen illustration of start stage of the application, according to some embodiments of the invention.
  • Figure 12 is an illustration of a screen of instruction to hold the Smartphone device steady, according to some embodiments of the invention.
  • Figure 13 is an illustration of a screen for taking a picture of a landmark, according to some embodiments of the invention.
  • Figure 14 is an illustration of a screen of grid rotating according to walking direction, according to some embodiments of the invention.
  • Figure 15 is an illustration of a screen of to indicate the user of a landmark on the user's navigation back to origin from destination, according to some embodiments of the invention.
  • Figure 16 is an illustration of a screen of a reminder to take a snapshot of the last landmark before reaching destination, according to some embodiments of the invention.
  • Figure 17 is an illustration of a screen for notification to the user on arrival close to origin, according to some embodiments of the invention.
  • Smartphone device as used herein in this application, is defined as a mobile phone that combines computer capabilities and mobile phone.
  • WI-FI as used herein in this application, is defined as a Wireless
  • WLAN Local Area Network
  • Embodiments of the present invention provide methods and systems to for tracking a vehicle using an application that is running on a Smartphone device.
  • the application identifies direction changes and distances from one direction change to another on the way from origin to destination. Based on that information, the application may provide a list of instructions to go from a destination back to origin.
  • Optional usage of the present invention may be a shop in a shopping mall sending instruction to walk from a specified point in the shopping mall to the shop doors.
  • a user may start the application in the specified point in the shopping mall. Then, while the user may go in a certain path in the shopping mall the application may receive direction instructions from the user and may save the instructions as instructions to go from one place to another.
  • Another optional usage of the present invention may be an application to coordinate a meeting place of two or more parties.
  • One party may situate in a location and send instructions to arrive to his or her location from a certain point of location.
  • a communal map of an area may be created by several users. Each one of the users may walk from a specific point of location to another. While walking, each user may provide guiding directions that may be combined into the communal map.
  • Figure 1 is a top view of data input of a user walking in route from an origin place to destination, according to some embodiments of the invention.
  • the origin place may be a parking place 120 in a parking lot 110 near a destination 145, for example, a public place.
  • the application monitors a user 150 measuring changes in direction of walking at each turn from a parking place to a destination, measuring distances between direction changes and saving the designated direction and related distances. For example, the user 150 may walk straight and then turn left 125. On the left turn 125 the user 150 may designate left direction.
  • designation of direction may be performed in at least one of: (i) selection of an option in the application; and (ii) via command voice.
  • the application may provide an option to take pictures of landmarks on the way from origin to destination and display each picture on the way back to the origin place when the user 150 pass by the place that the picture was taken.
  • Another option that the application may provide is to create a video on the way from origin to destination and to display the video on the way back to reflect the user 150 the location that she or he passes.
  • the application may measure distance between every two changes of direction and saving the distance.
  • the application may measure the distance between left turn 125 to right turn 130 after user 150 passed and designated right turn 130 in the application.
  • the user 150 may designate the destination 145 with a picture.
  • the application may provide the picture of destination 145 that was designated so the user will know where to start his or her way back to the origin place 120. Further, the user 150 may be suggested an option to track the vehicle from the destination 145 to the parking place 120 based on saved designated directions, in the example given (i) left turn 135; (ii) right turn 130; and (iii) left turn 125 and the distance that was measured between every two direction changes. [0016] Measuring walking pace may be performed by using accelerometer. Distance between designated directions may be measured by time elapsed of walking between two designated directions and the walking pace.
  • a learning system may study the walking pace of the user.
  • Figure 2 is a block diagram of components of a Smartphone application to create a list of directions from destination to origin, according to some embodiments of the invention.
  • instruction or map creation module 230 is being operated when the user 150 in Figure 1 is going from origin to destination and is interested in creating directions from destination to origin. After starting application 200 each change in direction of walking at each turn from origin place to destination is measured. When the user 150 in Figure 1 arrives to destination, he or she may mark a point of location in destination as a starting point to the way back to origin. For example, take a picture of a certain location in destination. Then, the application may turn off.
  • the user may start the application 200.
  • the user may go to the point of location that was previously marked.
  • the point of location may be invoked by tracking module 210.
  • Guiding module 240 in combination with tracking module 210 and in places where there is Global Positioning System (GPS) connectivity, also with GPS module 220, may provide instructions or a map to guide the user from destination to origin.
  • Tracking module 210 may provide instructions using saved data and may be synchronized with data from GPS module 220.
  • Tracking module 210 may use information that was generated by instruction or map creation module 230.
  • the route that was entered by the user 150 in Figure 1 is being reversed to create guiding instructions or a map from destination to origin.
  • the guiding instructions or the map 240 may be generated by instruction or map creation module 230.
  • guiding module 240 is comprising the step of creating at least one map based on measurements of the distances and changes of direction. Additionally, guiding module 240 comprising the step of creating guiding instructions based on measurements of the distances and changes of direction and provides the user with animated guiding indicator which shows the correct direction in any given time.
  • guiding directions to go back from destination to origin may be presented as a map 240.
  • the map 240 may be embedded in a GPS map or pre-made indoor map, so the user may be provided with his or her route information on a GPS map.
  • tracking module 210 may provide the user with its location on the GPS map.
  • the GPS map is operated by a GPS module 220.
  • Figure 3 is a high level flowchart illustrating usage of an application that is running on a Smartphone to create a list of directions from a destination to origin, according to some embodiments of the invention.
  • origin place may be a parking place 120 in Figure 1 in a parking lot 110 in Figure 1.
  • an application upon parking in a parking place 120 in Figure 1 an application is started.
  • the application may be started manually or automatically starting new tracking session (stage 310).
  • the application starts monitoring user walking 150 in Figure 1 by measuring direction changes (based on orientation sensor such a compass magnetic sensor or gyro senor) of walking at each turn from the parking place 120 in Figure 1 to a destination 145 in Figure 1 and saving the direction change (stage 312).
  • the direction change may be defined as a change when the user turn is exceeding a predefined angle.
  • distance may be measured between every two direction changes and saved in the application (step 314). For example, distance between the parking place 120 in Figure 1 and the left turn 125 in Figure 1, distance between left turn 125 in Figure 1 and right turn 130 in Figure 1 and distance between right turn 130 in Figure 1 and exit 140 in Figure 1 (stage 314).
  • the tracking includes measuring acceleration changes to identify acceleration motion exceeding average walking velocity or acceleration (step 316) indicating the user is using an elevator.
  • the acceleration measurements may further provide direction of motion (step 318).
  • the tracking include measuring magnetic signals to identify user entrance into closed space where the magnetic signals are not available such as an elevator and measuring the time period in which the signals are not available (step 320). Such period may indicate that the user is using an elevator. Accordingly it is suggested to measure acceleration changes to identify motion direction in the vertical axis (up/down) at the time period when no magnetic signals are available and calculating distances on the vertical axis for estimating the floor level the user went up or down (step 324). The information of the estimation of the floors and the distances are saved for guiding the user on the way back.
  • the application may provide the user an estimation of the floor level in real-time by voice or text, enabling the user to correct the estimation according to the knowledge of the user.
  • the tracking includes starting new tracking session upon detecting end of non magnetic signals period (step 326).
  • Figure 4 is a high level flowchart illustrating creation of guiding instructions or a map, according to some embodiments of the invention.
  • module 230 in Figure 2 may create guiding instructions or a map of a route from destination to origin by the following steps. Initially, retrieving saved measured data saved during the tracking session on the way of the user from origin to destination.
  • the data may include at least one of: (i) turns-directions changes that were taken; (ii) distance between the turns; (iii) usage of elevators, by the distance passing when using the elevator and estimated number of floors the user pass on her or his way; (iv) one or more pictures; and (v) notes (stage 410).
  • module 230 in Figure 2 may create guiding instructions from a sequence of directions based on retrieved data.
  • the guiding instructions are provided in reverse direction to the stored data i.e. given direction.
  • Each turn instruction is determined in opposite direction to the direction that user 150 in Figure 1 gave on his or her way from origin to destination (stage 415).
  • attaching relevant pictures or video or notes to the guiding instructions (stage 420).
  • the map may include hyperlinks to pictures or notes (stage 425)
  • creating different visual maps for different levels based on identification of user passing between different height levels and the recording of different tracking sessions (step 430).
  • Figure 5 is a high level flowchart illustrating operation of map or guiding module, according to some embodiments of the invention.
  • map or guiding module 240 in Figure 2 in application 200 in Figure 2 may provide the user with guiding instructions to walk from point of location to origin point (stage 510).
  • a map showing a route between the points of location in destination and origin may be displayed (stage 515).
  • tracking module 210 in
  • Figure 2 in application 200 in Figure 2 may measure direction change of walking at each turn on his or her way back from destination to origin (stage 520).
  • tracking module 210 in
  • Figure 2 may measure distance between every two direction changes (stage 525).
  • the tracking module 210 in Figure 2 may mark on the map, that is generated by map module 240 in Figure 2, the location of the user at each point of time on his or her way from destination to origin (stage 530).
  • the tracking module 210 in
  • Figure 2 may mark on the map user location on basis of WI-FI identified connections or a GPS (optionally integrated with GPS map or indoor pre-prepared maps) (step
  • the tracking module 210 in Figure 2 may mark on the map business locations, based on its WI-FI routers in synchronization with the map track based on the measured direction changes (step 540).
  • the user is provided with an orientation arrow/pointer which directs the user at any given point to his destination, not necessarily guiding through the original track of the user in his way from the origin place (the car).
  • Figure 6 is a block diagram of a screen of smart phone application to create a list of directions from destination to origin, according to some embodiments of the invention.
  • the application 200 in Figure 2 may start either automatically upon arrival or manually by using button 640.
  • a screen 600 in application 200 in Figure 2 may provide a car identification button 610 to document a car after parking in a parking lot.
  • the user may rent a car and on his or her way back he or she may not recognize the car that is in use. Documentation of the car may assist in this case.
  • the screen 600 in application 200 in Figure 2 may provide an image capturing button 620.
  • the user 150 in Figure 1 way from origin to destination he or she may take pictures of landmarks.
  • the pictures of landmarks that were taken may be presented in the map by the map module 240 in Figure 2 on the user 150 in Figure 1 way back from destination to origin.
  • a user may designate the application 200 in Figure 2 that he or she went up or down a floor in the parking lot. The user may do so by using button 660.
  • Map creation module 230 may take this data into consideration and guiding module 240 may provide this information to the user on his or her way back from destination to origin.
  • Figure 7 is a high level flowchart illustrating operation of GPS module, according to some embodiments of the invention.
  • tracking module 210 in Figure 2 may provide instructions using saved data and may be synchronized with data from GPS module 700.
  • GPS module 700 may identify location of a user (stage 710). Then, when the user starts walking, the GPS module 700 may use measurements of the accelerometer for information on the progress of the user for better accuracy (stage 715). Further, the information on the progress of the user may provide better resolution and a wider range of scale options.
  • the tracking module 210 in Figure 2 can be combined with navigation system of indoor environment such as a mall based on WI-FI and/or cellular cell triangulation.
  • the indoor navigation can be activated automatically, identifying user location, enabling continuous navigation between the parking lot and indoor environment such as a mall.
  • the information on the progress of the user may be used to provide a deeper level of zoom into the map 240 in Figure 2.
  • Figure 8 is a high level flowchart illustrating usage of an application that is running on a Smartphone to create a list of directions from destination to origin, according to some embodiments of the invention.
  • the application when starting a new tracking session by the application upon parking the application may perform measuring of change in direction based on magnetic sensor signals and saving direction changes (step 810).
  • the application may perform measuring of distance between every two changes in direction and saving the distance (step 812).
  • the application may perform measuring of acceleration changes to identify acceleration motion exceeding average walking velocity or acceleration (step 814). [0063] According to some embodiments of the present invention, the application may perform measuring of acceleration changes to identify motion direction in the vertical axis (up/down) (step 816).
  • the application may perform measuring of magnetic signals to identify user entrance into closed space where the magnetic signals are not available such as an elevator and measuring the time period in which the signals are not available (step 818).
  • the application may perform measuring acceleration changes to identify motion direction in the vertical axis (up/down) at the time period when no magnetic signals are available and calculating distances (step 820).
  • the application may start a new tracking session upon detecting end of non-magnetic signals period (step 824).
  • the user may start a new tracking session upon the user wish (step 824). For example, the user may terminate a tracking session when the user enters an elevator and start a new tracking session when the user walks out of the elevator.
  • a tracking session may be combines of several tracking sessions.
  • the application may continuously monitoring acceleration and orientation sensors for measuring direction changes and distance (step 826).
  • the application may identify nearby WI-FI connections and retrieve their names and strength of connection (step 828).
  • the application may identify measurements of cellular triangulation data and or a GPS data (step 830).
  • the application is suggested to start the application activation automatically upon identifying change of acceleration and speed, identifying patterns which indicate of car parking and user walking session.
  • the application is constantly working in the background, without user intervention, the application may identify end of tracking session when an entering an elevator. Hence the user can be provide with guiding instructions and/or map of the last tracking session upon his request, even if the user forgot to start the application after parking.
  • the application retrieves the name of the connection which indicate on the of nearby business and records the name together with the tracking session data in correlation to the current monitored data of direction changes and walking distance measurements enabling to provide a user indication on the generated guiding map of the identified business location on the tracking path.
  • the map may show the track between the different business and the track to the elevator from the nearest business router.
  • the location of user on the map can be calculated on the basis tracking his motion of distance and direction changes based on the sensor data, or on the basis of single WI-FI router location, or triangulation of plurality of WI-FI routers, or on the basis of cellular network triangulation, or based on a GPS receiving location data through data network or any combination of these methods.
  • the application For each identified WI-FI connection the application measures the signal strength, and records an indication at the location where the WI-FI connection has maximum strength. This indication identifies the nearest spot to the identified business to be marked on the guiding map.
  • the application identifies change in elevation, when detecting end of change of elevation, an indication is recorded to mark end of going up or down between levels, starting a new tracking session for each level.
  • the maps are generated different guiding for each level tracking section, hence the maps are organized according to their timing order, enabling the users to follow in back order the tracking sessions maps for each level, with in-between track of the path between levels: the change in height the distance between levels and time period for the path (when using an elevator).
  • the change in height may indicate walking the stairs.
  • Figure 9 is a screen illustration of insertion of details of a user 900, according to some embodiments of the invention.
  • the user may insert personal details such as the user's height or weight. Those details may improve the accuracy of distance measurements and calculations.
  • Figure 10 is an illustration of a screen for insertion of description of a parking vehicle in origin and its surrounding area 1000, according to some embodiments of the invention.
  • the user may be allowed to take a picture of origin place and add a description to it.
  • Figure 11 is a screen illustration of start stage of the application, according to some embodiments of the invention.
  • the user indicates the origin location 1115 before the user starts walking toward the destination.
  • An image of a walking person 1105 indicates the direction of walking and may be touched to start the application.
  • the image of the walking person 1105 may also indicate the user of the state. Meaning, when the user is going from origin to destination or when the user is going from destination to origin.
  • An image of flag 1110 indicates an option for the user to mark a landmark on the user's way from origin to destination.
  • Figure 12 is an illustration of a screen of instruction to hold the Smartphone device steady, according to some embodiments of the invention.
  • the application may recommend the user to hold the Smartphone that is running the application, steady. Meaning to hold the device in hand. It is not recommended to hold the device in an unstable place such as the user's pocket or the user's handbag and the like.
  • Figure 13 is an illustration of a screen for taking a picture of a landmark, according to some embodiments of the invention.
  • the user may take pictures of landmarks that may be presented to the user on the user's way back from destination to origin.
  • the user may take a picture using screen 1300 and save it to the device's memory by pressing 'save' button 1310.
  • the user may enter a description of the landmark to describe the picture that was taken 1305.
  • Figure 14 is an illustration of a screen of grid rotating according to walking direction, according to some embodiments of the invention.
  • screen 1400 may display the user the route 1410 from origin 1415 to current landmark 1420.
  • Figure 15 is an illustration of a screen of to indicate the user of a landmark 1515 on the user's navigation back to origin from destination, according to some embodiments of the invention.
  • screen 1500 on the user's way back from destination to origin several details may be displayed to the user on screen 1500.
  • Direction of walking may be presented by an image of a person 1510 indicating the user that she or he is on her or his way from destination to origin.
  • An image 1505 may indicate the user to which direction the user is walking.
  • these landmarks may be displayed 1515 along the presented route 1520.
  • Figure 16 is an illustration of a screen of a reminder to take a snapshot of the last landmark before reaching destination, according to some embodiments of the invention.
  • screen 1600 may allow the user to mark a place where the user would like to start her or his starting point from destination to arrival on the user's way to destination 1605. For example, the user may wish to start navigating her or his way back from destination to origin from the elevators place or from any other specific place.
  • Figure 17 is an illustration of a screen for informing the user on arrival close to origin, according to some embodiments of the invention.
  • screen 1700 may display the user arrival to origin from destination.
  • the application may navigate the user from destination close to origin and may allow the user to indicate that she or he has got to requested place by pressing on a specified button 1705.
  • the application upon identifying user entrance into the elevator on her or his way back, measures the time and elevation change till the user leaves the elevator and the application estimates if the user arrived at correct level floor by comparing the elevation change measured on the user way from the car. Hence, if the user arrived at a wrong parking level, the user may receive a notification and suggestion to go up or down.
  • the system can estimate the number of floors between the user entrance to the elevator and his exit, based on measured elevation change, time passed and estimation of each level height.
  • altimeter sensors barometric pressure sensors, which may provide elevation, optionally indicating the floor level.
  • the data may be collected through the track session and can be used for creating the guidance instructions and the maps for the user.
  • the orientations sensors and methods of different type Gyroscopes, accelerometers, compasses, WI-FI, cellular triangulation, each provide a different form of motion sensing.
  • each sensor type and method has inherent limitations.
  • the gyroscope has a strong drift over time; the compass is sensitive to electromagnetic interference and the accelerometer works better for slow movement than for fast motions, and WI-FI connection and cellular cells may be inaccurate.
  • each sensor and method's function and information can compensate for the others' inherent limitations. This will yield an enhanced motion sensing experience that is much faster, smoother and more accurate than using with each sensor or method individually.
  • the integration describe above provides 9-axis integration which is immersive and provides a complete navigation experience.

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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

L'invention concerne un procédé de suivi d'un véhicule faisant intervenir une application qui est exécutée sur un téléphone intelligent. Après le démarrage de l'application lors du stationnement, une option pour indiquer une direction de marche à chaque virage depuis une place de stationnement jusqu'à une destination est fournie à un utilisateur. Chaque direction indiquée est sauvegardée. L'application mesure ensuite la distance entre deux directions indiquées et sauvegarde la distance. L'utilisateur dispose d'une option pour suivre le véhicule depuis une destination jusqu'à une place de stationnement sur la base des directions indiquées sauvegardées et de la distance mesurée entre deux directions indiquées.
PCT/IL2012/000362 2011-10-20 2012-10-18 Système et procédé de suivi d'un emplacement WO2013057730A1 (fr)

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US201161549512P 2011-10-20 2011-10-20
US61/549,512 2011-10-20
US201161569327P 2011-12-12 2011-12-12
US61/569,327 2011-12-12

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