JP2014115196A - Gps receiver and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To exhibit a correct distance on a preliminarily set course, regardless of whether positioning accuracy of a GPS receiver is excellent or poor.SOLUTION: When a user selects running course data having position information (on a latitude and longitude) from a start point to a goal point and distance information from a course database 22c, and starts a running, if positioning accuracy of a GPS receiver 24 is excellent, a current position is acquired on the basis of positioning data of the GPS receiver, and a current position on a route aligned (matching) by drawing a perpendicular line from the GPS positioning position onto the closest route of the selected course and a movement distance from the GPS positioning position to the aligned route are analyzed. Meanwhile, if the positioning accuracy of the GPS receiver 24 is poor, a motion of the user (a runner) is detected on the basis of a sensor signal from a motion sensor part 25, and the current position and the movement distance of the user are calculated from the current position right before a movement of the user and the movement distance thereof.

Description

  The present invention relates to a GPS receiver for informing where a current position is located on a preset passage route and a control program therefor.

  In recent years, an increasing number of people enjoy running, such as jogging daily or participating in marathons. Small electronic devices that record the courses and times run by such runners have appeared.

  Such an electronic device is equipped with a GPS receiver, and is recorded as a course of a passing point based on positioning data (latitude / longitude) of the current point obtained by the GPS receiver, and measurement is performed accordingly. Record the transit time.

  Conventionally, the use of GPS that downloads course data based on geographical passing points, checks the passing points with a GPS receiver along with the elapsed time, analyzes the motor ability information from the passing points with time records, and feeds back to the user An athletic player's ability monitor is considered (for example, refer to Patent Document 1).

  In addition, a time recording device that detects that a set point on a course has been passed from positioning data obtained by a GPS receiver, and automatically measures and records the passing time of the point is considered (for example, a patent) Reference 2).

JP 2009-061291 A JP-A-11-166888

  In general, a GPS receiver generates a certain degree of positioning error in accordance with changes in reception conditions such as in a building town or a forest.

  For example, in the marathon course, whether to run the left line, the right line, or the center line on each road included in the course is specified in advance, and according to this, full marathon, half line A predetermined distance such as a marathon is set.

  On the other hand, runners do not always run exactly along the prescribed line on each road in the marathon course, but sometimes meander or run on the opposite line. There is a natural shift between the runner's own distance.

  For this reason, since the run distance calculated based on the positioning data from the GPS receiver of the runner does not match the prescribed distance on the course as it is, even if it is an error of several meters, Can't know exactly how many kilometers on the course he is running, and of course there is anxiety in practice as well as in practice.

  The present invention has been made in view of such a problem, and even when there is an error in the position data acquired by the positioning of the GPS receiver, it is possible to indicate the correct distance on the course to the runner. An object of the present invention is to provide a GPS receiver and a control program thereof.

  The GPS receiver according to the present invention includes a GPS receiver that detects a current position, course data storage means that stores course data in which the position of a passing point is set in advance, and a current position detected by the GPS receiver. The current position matching means for matching the position on the course in the course data stored by the course data storage means, and the moving distance on the course is calculated based on the current position matched on the course by the current position matching means. And a moving distance calculating means.

  A program according to the present invention is a program for controlling a computer of an electronic device having a GPS receiver that detects a current position of a device body, and the computer is a course in which the position and distance of a passage point are set in advance. Course data storage means for storing data in the memory, current position matching means for matching the current position detected by the GPS receiver with the position on the course in the course data stored by the course data storage means, and this current position matching It is characterized by functioning as a movement distance calculation means for calculating a movement distance on the course based on the current position matched on the course by the means.

  According to the present invention, it is possible to indicate the correct distance on the course to the runner even when the position data acquired by the positioning of the GPS receiver includes an error.

1 is a front view showing an external configuration of a wristwatch type electronic apparatus 10 according to an embodiment of a GPS receiver of the present invention. FIG. 2 is a block diagram showing a configuration of an electronic circuit of the wristwatch type electronic device 10. The figure which shows each course data memorize | stored in the course database 22c of the said wristwatch-type electronic device 10, and its data format. The figure which shows an example of the course data memorize | stored in the course database 22c of the said wristwatch-type electronic device 10. FIG. 6 is a flowchart showing a GPS receiver operation of the wristwatch-type electronic device 10. 7 is a flowchart showing a running support operation of the wristwatch type electronic device 10. 7 is a flowchart showing a running data generation process associated with a running support operation of the wristwatch type electronic device 10. 5 is a flowchart showing matching processing associated with data generation processing during travel of the wristwatch type electronic device 10; The figure which shows the map display screen Gm selectively read from the map database 22b with the course data creation process of the said wristwatch-type electronic device 10. 7 is a flowchart showing course data creation processing of the wristwatch type electronic device 10. The figure which shows course link data 22cL 'in the course data produced in connection with the course data creation process of the wristwatch type electronic device 10.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is a front view showing an external configuration of a wristwatch type electronic apparatus 10 according to an embodiment of a GPS receiver of the present invention.

  The GPS receiver can be realized by a portable terminal type electronic device such as a mobile phone, a portable game machine, and a portable PC in addition to the wristwatch type electronic device 10 described below.

  A key input unit 11 having a plurality of buttons for performing various mode settings, time adjustment instructions, start / stop instructions, and the like is provided on the side of the main body of the wristwatch type electronic device 10. Further, a display unit 12 for displaying contents according to the set mode is provided on the front surface of the main body. Reference numeral 13 denotes a wristband.

  This wristwatch-type electronic device 10 has a function suitable for use by a runner, a function to display a course map when running on a preset course, and how many kilometers from the start on the course A function that displays the time in line with the prescribed distance of the course, a function that displays the elapsed time, a function that displays how many kilometers are from the current position on the course to the next checkpoint or goal, and the transit time per unit distance ( And a function for displaying a lap time.

  FIG. 2 is a block diagram showing the configuration of the electronic circuit of the wristwatch-type electronic device 10.

  The electronic circuit of the wristwatch-type electronic device 10 includes a CPU (control unit) 21 that is a computer.

  The CPU 21 uses the RAM 23 as a working memory in accordance with the electronic device control program 22a stored in the storage device 22 in advance or the electronic device control program 22a read from the outside via the input / output interface 26 and stored in the storage device 22. This program 22a controls the operation of each unit and executes various functions. This program 22a is a user operation signal from the key input unit 11 or the current position positioning (latitude / longitude) data based on reception by the GPS receiving unit 24, Alternatively, it is activated in response to various sensor signals corresponding to the user's movement from the motion sensor unit 25 or communication signals from an external device via the input / output interface 26.

  The GPS receiver 24 receives signals from a plurality of GPS satellites, calculates the latitude / longitude of the current location, and outputs it as positioning data.

  The motion sensor unit 25 includes an acceleration sensor, a geomagnetic sensor, and a gyro sensor. Based on these sensor signals, the magnitude, direction change, walking motion, and the like associated with the movement of the user are measured or detected and output. .

  The input / output interface 26 is connected to, for example, an external PC and inputs / outputs various data directly to / from the external PC or to / from a server device on the Internet via the external PC.

  In addition to storing the electronic device control program 22a, the storage device 22 stores a map database 22b and a course database 22c in advance or downloaded.

  In the map database 22b, for example, road map data of the whole country or a predetermined area is stored in association with the position (latitude / longitude) information and distance information.

  The position information and distance information associated with this map data are, for example, the starting point and the ending point are set for each road, the position information of the intersection and the turning corner including the starting point and the ending point, each intersection and the turning point from the starting point to the end point. It is stored as distance information.

  FIG. 3 is a diagram showing each course data stored in the course database 22c of the wristwatch type electronic device 10 and its data format.

  FIG. 4 is a diagram showing an example of course data stored in the course database 22c of the wristwatch type electronic device 10. As shown in FIG.

  In the course database 22c, for example, as shown in FIG. 3A, the course data of each of a plurality of types of running courses (running course defined in marathon competition, home jogging course, running course for practice, etc.) is stored. The As shown in FIG. 3 (B), each course data includes course node data 22cN set at a passing point such as an intersection between the start point and the goal point and a corner, as shown in FIG. 3 (C). And course link data 22cL connecting the course nodes. The course data may include image data of a map including the course.

  The course node data 22cN has a position (latitude / longitude) and a distance from the start point for each node from the start point node 1 to the goal point node N.

  The course link data 22cL has the link distance and link direction for each link.

  In each course link in the course data, the start side node is called a parent node, and the goal side node is called a child node.

  The RAM 23 includes a display data memory 23a, a step count memory 23b, a step length memory 23c, a movement distance memory 23d, a current position memory 23e, various analysis data memories 23f, and the like.

  In the display data memory 23a, display data for the display unit 12 is developed and stored as image data in a bitmap format.

  The step count memory 23b stores step count data counted based on the sensor signal output from the motion sensor unit 25 in accordance with the movement of the user (runner).

  The stride memory 23c stores stride data input in response to a user operation or stride data calculated based on a moving distance between a certain point (position) and the number of steps.

  The moving distance memory 23d stores the moving distance of the user (runner) according to the running course selected from the course database 22c. The moving distance is calculated based on the moving distance calculated according to the positioning data from the GPS receiving unit 24, the moving distance calculated based on the sensor signal from the motion sensor unit 25, or a combination thereof. And stored while being matched (matched) with the distance on the running course.

  Current position data obtained from the GPS receiver 24 is stored in the current position memory 23e. During running, the current position corresponding to the positioning data from the GPS receiving unit 24, the current position measured based on the sensor signal from the motion sensor unit 25, or the combination of the current position and the current position subjected to matching processing with the course data Is memorized.

  The various analysis data memory 23f includes course data selected from the course database 22c, positioning data from the GPS receiver 24, sensor signals from the motion sensor 25, step length (23b), step count (23c), Data such as a moving distance (23d), a current position (23e), and a lap time analyzed based on an elapsed time from the start, a distance to a goal, an average speed, and an amount of exercise are stored.

  The wristwatch-type electronic device 10 sets the positioning accuracy of the positioning data obtained from the GPS receiver 24 to a predetermined condition based on the protocol data defined by the NMEA (National Marine Electronics Association) output from the GPS module. Depending on whether they match, it has a function of determining whether it is “good (sufficient)”, “somewhat good (insufficient)”, or “bad (bad)”.

  Specifically, for example, “good (sufficient)” if the positioning error is 10 m or less, “slightly good (insufficient)” if it is greater than 10 m and 50 m or less, and “bad (bad)” if it is greater than 50 m. judge.

  The wristwatch-type electronic device 10 matches (matches) the current position (GPS positioning position) on the course according to the determination result of the positioning accuracy of the positioning data obtained from the GPS receiving unit 24. The movement distance is analyzed, or whether the movement distance is analyzed by combining the current position calculated based on the sensor signal from the motion sensor unit 25 is controlled.

  In the wristwatch-type electronic device 10 configured as described above, the CPU 21 controls the operation of each part of the circuit according to the instructions described in the electronic device control program 22a, and the software and hardware operate in cooperation. The functions described in the following operation explanation are realized.

(Running support function)
Next, the running support function of the wristwatch type electronic device 10 having the above-described configuration will be described.

  FIG. 5 is a flowchart showing the GPS receiver operation of the wristwatch type electronic device 10.

  Based on the sensor signal from the motion sensor unit 25, the operation of the user (runner) is analyzed, and when it is detected that the user is worn on the arm (step T1 (Yes)), the operation of the GPS receiving unit 24 is performed. The positioning data is acquired continuously or intermittently, and the current position is updated and stored in the current position memory 23e each time (step T2).

  FIG. 6 is a flowchart showing a running support operation of the wristwatch type electronic device 10.

  FIG. 7 is a flowchart showing a running data generation process associated with the running support operation of the wristwatch type electronic device 10.

  FIG. 8 is a flowchart showing a matching process associated with the running data generation process of the wristwatch-type electronic device 10.

  When the operation mode of the electronic device 10 is set to the running support mode in accordance with the electronic device control program 22a activated in response to a user operation of the key input unit 11, a record of the moving position in running and various messages for the runner are displayed. The process to start is started. At that time, prior to the start, the user can designate a course (step S1). The designation of the course is not mandatory. When a course is designated, a running course setting screen (not shown) is displayed on the display unit 12 by a user operation.

  In this running course setting screen, course data of a desired running course is selected and specified from the course database 22c (see FIG. 3A) or input / output from a web server established by, for example, a marathon organizer. It is read and specified in the course database 22c via the interface 26 (step S1).

  Then, it waits for input of a start button from the key input unit 11 (step S2).

  Thereafter, when a start button is input by the user (runner) at the start point of the designated running course or a desired start point not designated by the course (step S2 (Yes)), the elapsed time is counted. At the same time, it is determined whether or not a course is designated (step S3).

  Here, when it is determined that the running course is designated (step S3 (Yes)), the current position (latitude / latitude / sequentially updated and stored in the current position memory 23e based on the positioning data from the GPS receiving unit 24). Longitude) is replaced with data of the start position of the specified running course (position of course node 1) (step S4). Replacing the GPS positioning position data with the position data on the course is called matching. Then, the process proceeds to the running data generation process in FIG. 7 (step SA).

  On the other hand, if it is determined that the running course is not designated (step S3 (No)), whether the current positioning accuracy by the GPS receiver 24 is “good”, “slightly good”, or otherwise “bad”. Determination is made (step S7).

  If it is determined that the current positioning accuracy is “good” or “somewhat good” (step S7 (Yes)), the current position stored in the current position memory 23e is stored in the course database 22c. In each running course, it is determined whether there is a course whose start position (position of course node 1) is close (step S8).

  Here, based on the positioning data from the GPS receiving unit 24, when it is determined that there is a running course with a start position near the current position stored in the current position memory 23e (for example, within a range of 10 m) ( In step S8 (Yes), the current position stored in the current position memory 23e is matched with the start position of the running course (the position of the course node 1) (step S9). The process proceeds to data generation processing (step SA).

  Even if it is determined in step S7 that the current positioning accuracy is “bad” (step S7 (No)), effective positioning acquired from the GPS receiving unit 24 before the start button is input. If it is determined that there is data (step S10 (Yes)), if it is determined that there is a running course with a start position near the current position based on the positioning data (step S8 (Yes) In the same manner as described above, the current position stored in the current position memory 23e is matched with the start position of the running course (the position of the course node n) (step S9), and the running data generation in FIG. The process proceeds to step SA (step SA).

  On the other hand, even if it is determined in step S7 that the current positioning accuracy is “good” (step S7 (Yes)), it is determined that there is no running course having a start position near the current position. (Step S8 (No)), or when it is determined that the current positioning accuracy is “bad” (Step S7 (No)), and is acquired from the GPS receiver 24 before the start button is input. If it is determined that there is no valid positioning data (step S10 (No)), the current position based on the positioning data from the GPS receiver 24 at that time is stored in the current position memory 23e (step S11). 7 is shifted to the running data generation process in step 7 (step SA). This is to keep a running record even when the user runs a free course different from the normal practice course.

  When the user (runner) starts running together with the input of the start button and shifts to the running data generation process in FIG. 7, the positioning data acquisition process from the GPS receiver 24 is continuously executed (steps). A1). This positioning data is acquired at intervals of several seconds. Then, it is determined whether the current positioning accuracy by the GPS receiver 24 is “good”, “somewhat good”, or “bad” (step A2).

  Here, when it is determined that the positioning accuracy is “good” (step A2 “good”), effective course data in which the current position is matched with the start position in step S4 or S9 and running is started. It is determined whether it is near the current positioning position (step A3). That is, it is determined whether the runner is running along the course, moved off the course, or is running outside the course. When it is determined that the vehicle is running along the course (step A3 (Yes)), the process proceeds to the matching process in FIG. 8 (step AB).

  The matching process will be described with reference to FIG. In this matching process, first, in the effective running course, the course link closest to the current position (GPS positioning position) stored in the current position memory 23e is specified based on the current GPS positioning data (step B1). As shown in FIG. 4, when the GPS positioning position is acquired, the current position is calculated based on the position (latitude / longitude) of each node of the course node data 22cN and the distance and direction of each link of the course link data 22cL. The course link 3 closest to the position is specified. Then, a perpendicular is drawn from the current position (GPS positioning position) on the identified course link 3 (a straight line between the parent node 3 and the child node 4). In this method, the latitude and longitude of the parent node and the child node are two points on the XY coordinates, and the coordinates obtained by subtracting the perpendicular from the current position with respect to the straight line connecting the two points are obtained by calculation. The current position stored in the current position memory 23e is matched to the position on the course link 3 where the perpendicular is drawn, and the distance from the parent node 3 to the matched current position is the link distance of the course link 3 (See FIG. 3C) and a ratio between the current position on the course link 3 to the parent node 3 and the child node 4 (step B2).

  When the distance from the parent node is calculated in this way, the calculated distance to the current position on the course link in the distance of the parent node of the identified course ring (see FIG. 3B). Is added and stored in the movement distance memory 23d as the movement distance from the start point to the current position (step B3).

  Thereby, the current position matched on the running course corresponding to the current position (GPS positioning position) of the user (runner) acquired from the GPS receiving unit 24 is clarified, and the elapsed time and moving distance to that point are clarified. Analysis is performed (step A4).

  On the other hand, even if it is determined in step A2 that the positioning accuracy is “good” (step A2 “good”), if it is determined that there is no effective course according to the current position (step A3 ( No)), the runner has moved off the course (for example, moved to the toilet), or is running outside the course, and is not transferred to the matching process. Corresponding to the current position based on the positioning data, the elapsed time and the moving distance are analyzed (step A4).

  If it is determined in step A2 that the positioning accuracy is “slightly good” (step A2 “slightly good”), it is determined whether there is valid course data as in step S3 (step A5). If there is correct course data (step A5 (Yes)), the process proceeds to the matching process in FIG. 8 as described above (step AB), and the current position on the same course and the matching process of the current position on the running course. Is calculated (steps B1 to B3).

  Further, the position is calculated based on the sensor signal of the motion sensor unit 25 (step A6). In the wristwatch type electronic device 10, the output of the acceleration sensor of the motion sensor unit 25 is received, and the landing of the runner's foot is detected by the CPU 21, the number of steps is counted, and is sequentially updated and stored in the step count memory 23b. In the calculation of the position in step A6, the moving distance from the previously determined position to the current position is calculated based on the number of steps sequentially updated and stored in the step number memory 23b and the step length stored in the step length memory 23c. It is added to the movement distance up to immediately before, a change in azimuth is detected based on the sensor signal, and the current position is calculated from the movement distance and the change in azimuth (step A6).

  The stride stored in the stride memory 23c may be set and stored in advance, or immediately after the start, the moving distance based on the positioning data from the GPS receiving unit 24 is used as a sensor signal from the motion sensor unit 25. The actual stride divided by the number of steps based may be sequentially updated and stored.

  Then, either the current position matched on the running course based on the positioning data from the GPS receiving unit 24 or the current position based on the sensor signal from the motion sensor unit 25 has high validity (accuracy). Is determined according to the degree of transition of each current position with respect to the elapsed time from the start, for example, and the elapsed time and moving distance are analyzed corresponding to the current position with higher validity. (Step A7).

  On the other hand, even if it is determined in step A2 that the positioning accuracy is “somewhat good” (step A2 “somewhat good”), if it is determined that there is no effective course according to the current position (step A2). A5 (No)), the number of steps counted based on the sensor signal of the motion sensor unit 25 without being shifted to the matching processing and sequentially updated and stored in the step count memory 23b, and the step length stored in the step length memory 23c. Based on this, the current moving distance added to the previous moving distance is calculated, and a change in direction is detected based on the sensor signal, and the current position is calculated from the moving distance and the change in direction (step A6). .

  Then, which of the current position based on the positioning data from the GPS receiving unit 24 and the current position based on the sensor signal from the motion sensor unit 25 has higher validity (accuracy) is the same as described above. For example, it is determined according to the degree of transition of each current position with respect to the elapsed time from the start, and the elapsed time and moving distance are analyzed corresponding to the current position with higher validity (step A7). .

  On the other hand, if it is determined in step A2 that the positioning accuracy is “bad” (step A2 “bad”), the number of steps counted based on the sensor signal of the motion sensor unit 25 and sequentially updated and stored in the step number memory 23b Based on the stride stored in the stride memory 23c, the current moving distance added to the immediately preceding moving distance is calculated, and an azimuth change is detected based on the sensor signal, and the moving distance and azimuth change are detected. Is used to calculate the current position (step A8).

  Then, corresponding to the current position calculated based on the sensor signal from the motion sensor unit 25, the elapsed time and the moving distance are analyzed (step A9).

  As described above, the running data generation process analyzes the elapsed time and the moving distance corresponding to the current position matched on the predetermined running course, or the GPS receiving unit 24 regardless of the running course. When the elapsed time and the moving distance are analyzed corresponding to the current position based on the positioning data from the sensor and the sensor signal from the motion sensor unit 25 (step SA), if the running corresponds to the running course, the start In addition to the elapsed time and travel distance, various running information such as the lap time, the distance to the goal, the traveling speed, and the amount of handling is analyzed and displayed on the display unit 12 according to the button operation of the key input unit 11 ( Step S5).

  If the stop button is not operated (step S6 (No)), the running data generation process (step SA) and the analysis output process of various running information (step S5) are repeated as described above.

  On the other hand, when the running is not related to the running course, various running information such as a lap time, a running speed, and a handling amount is analyzed in addition to the elapsed time and the moving distance from the start (step S12).

  Also in this case, if the stop button is not operated (step S13 (No)), the running data generation process (step SA) and the analysis output process (step S12) of various running information are repeated as described above.

  Therefore, according to the running support function of the wristwatch-type electronic device 10 having the above-described configuration, when the running course data is selected from the course database 22c and started, the current position is acquired based on the positioning data of the GPS receiving unit 24, and the GPS The current position matched (matched) on the selected course from the positioning position and its moving distance are analyzed. On the other hand, when the positioning accuracy of the GPS receiving unit 24 is poor, the movement of the user (runner) is detected based on the sensor signal from the motion sensor unit 25, and the current position and the moving distance are calculated from the current position and moving distance immediately before the movement. Is done.

  For this reason, regardless of whether the positioning accuracy by the GPS receiver 24 is good or bad, the correct distance on the running course on which the runner is running can be shown.

(Running course creation function)
Next, the course data creation function of the wristwatch type electronic device 10 having the above-described configuration will be described.

  FIG. 9 is a diagram showing a map display screen Gm selectively read from the map database 22b in accordance with the course data creation process of the wristwatch type electronic device 10.

  FIG. 10 is a flowchart showing course data creation processing of the wristwatch-type electronic device 10.

  FIG. 11 is a diagram showing the course link data 22cL ′ in the course data created with the course data creation process of the wristwatch type electronic device 10.

  When the operation mode of the electronic device 10 is set to the running course creation mode according to the electronic device control program 22a activated in response to a user operation of the key input unit 11, road map data stored in the map database 22b. Is displayed on the display unit 12 (step P1).

  In this map display screen Gm, after displaying the road map of the area including the running course that the user wants to create, as shown in FIG. 9, the route from the start point of the course to the goal point is designated according to the user operation. Then, the route of the designated desired course is identified and displayed (step P2).

  In the desired running course identified and displayed on the map display screen Gm, course links (roads) between the respective course nodes (start, goal, corner, etc.) are designated, and the right side of each course link is displayed on the right side. It is designated whether to pass the line or the left line (step P3).

  Then, the correction coefficient of the distance when passing the right or left side of the link distance of the specified link (road) (the distance corresponding to the center line by default in the map data) is calculated, As shown in FIG. 11, course link data 22cL 'is created (step P4).

  Thus, desired course data including course node data (latitude / longitude / distance) 22cN and course link data (link distance / link orientation / correction coefficient) 22cL ′ of the running course identified and displayed on the map display screen Gm. 22c (see FIG. 3) is created and output and stored in the course database 22c (step P5).

  Therefore, according to the course data creation function by the wristwatch-type electronic device 10 having the above-described configuration, it is possible to easily create course data of a running course desired by the user based on general map data having position information and distance information. In addition, using the created course data, it is possible to know the position and distance that the user is running as the accurate current position and the moving distance on the course.

  Instead of installing the course data creation function in the wristwatch-type electronic device 10, the watch-type electronic device 10 may receive and store the created course data so that the course data creation function is performed by an external personal computer. .

  In the above-described embodiment, all the processing by the running support function described with reference to FIGS. 6 to 8 and the course creation function described with reference to FIG. The configuration is executed in accordance with the control program 22a.

  On the other hand, each function (22a) and database (22b, 22c) is provided to a server device on the network, and is acquired by a user operation signal from the key input unit 11 of the wristwatch type electronic device 10 or the GPS receiving unit 24. By transmitting positioning data and each sensor signal acquired by the motion sensor unit 25 from the input / output interface 26 to the server device, data such as a current position and a moving distance analyzed by execution of processing in the server device can be obtained. The wristwatch type electronic device 10 may be configured to receive and display the desired course data.

  Each processing method and database by the wristwatch-type electronic device 10 described in each of the embodiments, that is, the GPS reception operation shown in the flowchart of FIG. 5, the running support operation shown in the flowchart of FIG. 6, and the running shown in the flowchart of FIG. The database including the map database 22b and the course database 22c, such as the running data generation process associated with the support operation, the matching process associated with the running support operation illustrated in the flowchart of FIG. 8, the course creation process illustrated in the flowchart of FIG. As a program that can be executed by a computer, a memory card (ROM card, RAM card, etc.), a magnetic disk (floppy disk, hard disk, etc.), an optical disk (CD-ROM, DVD, etc.), a semiconductor, etc. It may be distributed and stored in an external recording medium (not shown) such as a memory. And the computer of the portable electronic device provided with the GPS receiving unit 24 and the motion sensor unit 25 reads the program recorded in the external recording medium into the storage device 22, and the operation is controlled by the read program. The high-precision running support function and the desired running course creation function described in the above embodiment can be realized, and the same processing can be executed by the method described above.

  The program data for realizing each of the above methods can be transmitted on the network N in the form of a program code, and this program data can be transmitted to a portable electronic device equipped with a GPS receiver 24 and a motion sensor 25. By importing into a computer of the device by communication, the above-described high-precision running support function and a desired running course creation function can be realized.

  Note that the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the invention at the stage of implementation. Further, each of the embodiments includes inventions at various stages, and various inventions can be extracted by appropriately combining a plurality of disclosed constituent elements. For example, even if some constituent elements are deleted from all the constituent elements shown in each embodiment or some constituent elements are combined in different forms, the problems described in the column of the problem to be solved by the invention If the effects described in the column “Effects of the Invention” can be obtained, a configuration in which these constituent requirements are deleted or combined can be extracted as an invention.

  Hereinafter, the invention described in the scope of claims of the present application will be appended.

[1]
A GPS receiver for detecting the current position;
Course data storage means for storing course data in which the position of the passing point is set in advance;
Current position matching means for matching the current position detected by the GPS receiver to the position on the course in the course data stored by the course data storage means;
A moving distance calculating means for calculating a moving distance on the course based on the current position aligned on the course by the current position matching means;
A GPS receiver characterized by comprising:

[2]
Provided with a start instruction means for instructing a start in response to a user operation,
The current position matching means matches the current position detected by the GPS receiver with the start position on the course in the course data stored by the course data storage means when the start is instructed by the start instruction means. Having start position aligning means,
The GPS receiver as set forth in [1], wherein

[3]
GPS accuracy determination means for determining positioning accuracy by the GPS receiving unit;
And a motion sensor that detects the user's movement,
When the GPS accuracy determining unit determines that the positioning accuracy is good, the moving distance calculating unit calculates a moving distance on the course based on the current position matched on the course by the current position matching unit. When the positioning accuracy is determined to be poor by the GPS accuracy determination means, the moving distance is calculated based on the user's operation detected by the motion sensor.
The GPS receiver according to [1] or [2], wherein

[4]
The course data stored by the course data storage means is composed of node data defining the position of each passing point set in advance including the start point and goal point, and link data defining the distance between the nodes. ,
The GPS receiver according to any one of [1] to [3].

[5]
Map data storage means for storing map data having information on the position and distance of each road;
Road designation means for designating an arbitrary road in the map data stored by the map data storage means in response to a user operation;
Course creation means for creating course data composed of the node data and course data based on the information on the position and distance of the road designated by the road designation means;
The GPS receiver as set forth in [4], comprising:

[6]
A program for controlling a computer of an electronic device having a GPS receiver that detects a current position of a device body,
The computer,
Course data storage means for storing course data in which the position and distance of the passing point are set in advance in a memory,
Current position matching means for matching the current position detected by the GPS receiver to the position on the course in the course data stored by the course data storage means;
A moving distance calculating means for calculating a moving distance on the course based on the current position aligned on the course by the current position matching means;
Program to function as.

DESCRIPTION OF SYMBOLS 10 ... Watch-type electronic device 11 ... Key input part 12 ... Display part 13 ... Wristband 21 ... CPU (control part)
22 ... Storage device 22a ... Electronic device control program 22b ... Map database 22c ... Course database 23 ... RAM
23a ... Display data memory 23b ... Step memory 23c ... Step memory 23d ... Moving distance memory 23e ... Current position memory 23f ... Various analysis data memory 24 ... GPS receiver 25 ... Motion sensor (acceleration sensor / magnetic sensor / gyro sensor)
26… I / O interface

Claims (6)

A GPS receiver for detecting the current position;
Course data storage means for storing course data in which the position of the passing point is set in advance;
Current position matching means for matching the current position detected by the GPS receiver to the position on the course in the course data stored by the course data storage means;
A moving distance calculating means for calculating a moving distance on the course based on the current position aligned on the course by the current position matching means;
A GPS receiver characterized by comprising: Provided with a start instruction means for instructing start in response to a user operation,
The current position matching means matches the current position detected by the GPS receiver with the start position on the course in the course data stored by the course data storage means when the start is instructed by the start instruction means. Having start position aligning means,
The GPS receiver according to claim 1. GPS accuracy determination means for determining positioning accuracy by the GPS receiving unit;
And a motion sensor that detects the user's movement,
When the GPS accuracy determining unit determines that the positioning accuracy is good, the moving distance calculating unit calculates a moving distance on the course based on the current position matched on the course by the current position matching unit. When the positioning accuracy is determined to be poor by the GPS accuracy determination means, the moving distance is calculated based on the user's operation detected by the motion sensor.
The GPS receiver according to claim 1 or 2, wherein The course data stored by the course data storage means is composed of node data defining the position of each passing point set in advance including the start point and goal point, and link data defining the distance between the nodes. ,
The GPS receiver according to any one of claims 1 to 3, wherein Map data storage means for storing map data having information on the position and distance of each road;
Road designation means for designating an arbitrary road in the map data stored by the map data storage means in response to a user operation;
Course creation means for creating course data composed of the node data and course data based on the information on the position and distance of the road designated by the road designation means;
The GPS receiver according to claim 4, further comprising: A program for controlling a computer of an electronic device having a GPS receiver that detects a current position of a device body,
The computer,
Course data storage means for storing course data in which the position and distance of the passing point are set in advance in a memory,
Current position matching means for matching the current position detected by the GPS receiver to the position on the course in the course data stored by the course data storage means;
A moving distance calculating means for calculating a moving distance on the course based on the current position aligned on the course by the current position matching means;
Program to function as.

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