JP4211430B2 - Car navigation system, portable terminal device used in the system, communication method, and communication control program - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention is used for a car navigation system and the system. Mobile phone The present invention relates to a terminal device, a communication method, and a communication control program, and in particular, a car navigation system suitable for use when visiting a facility requiring reservation as a destination, and used in the system. Mobile phone Terminal device, For reservation request The present invention relates to a communication method and a communication control program.
[0002]
[Prior art]
In the car navigation system, the current position of a running or stationary vehicle is displayed on the display unit in real time. For example, when a destination is set, an optimum route is calculated and taught to the driver. Various operations in the system are performed by a dedicated remote control unit (hereinafter referred to as “remote controller”), but recently, they are performed by using a terminal device such as a mobile phone or a portable information terminal instead of the remote controller. There is also. In this case, remote control data for operating the system is downloaded from the website via the Internet to the terminal device, and functions equivalent to the dedicated remote controller are set in the terminal device.
[0003]
Conventionally, this type of car navigation system includes a navigation unit 1, a display 2, a remote controller 3, and a mobile phone 4, as shown in FIG. The navigation unit 1 has a GPS receiver (Global Positioning System), and when a destination is set, the navigation unit 1 starts from the current location based on the current location information and the location information of the destination. Estimated arrival time information is generated by calculating the required time until. The display 2 displays the estimated arrival time together with the traveling speed based on the generated estimated arrival time information, and relays communication between the remote control 3 or the mobile phone 4 and the navigation unit 1 via the infrared port 2a. . The remote controller 3 operates the entire navigation unit 1 via the infrared port 2a of the display 2, for example, for setting a destination. The mobile phone 4 is set to perform the same operation as the remote controller 3 through the infrared port 4a by downloading remote control data for remotely controlling the navigation unit 1 from the website.
[0004]
In this car navigation system, the destination is set from the remote controller 3 or the mobile phone 4, and the current position information (latitude, longitude, travel speed), traffic information (for example, traffic jam situation), and the destination Based on the position information (latitude and longitude), the required time from the current position to the destination is calculated, and predicted arrival time information is generated. Then, the estimated arrival time, travel distance, and the like are displayed on the display 2.
[0005]
In addition to the above-described car navigation system, conventionally, this type of technology has been described in the following documents, for example.
In the indoor home appliance control apparatus described in Patent Document 1, a home server is accessed by wireless communication from a mobile body, and reservations for home appliances controlled from the home server are confirmed. Since the mobile body has a function of detecting the current position, it is possible to confirm whether or not an appropriate reservation is made in consideration of the time required to move indoors.
[0006]
In the car navigation device described in Patent Literature 2, when the destination candidate is output from the facility data based on the user's search instruction, whether the expected arrival time at the destination candidate facility is within business hours or outside business hours And output the result. The user can specify a destination while referring to the output.
[0007]
In the service system described in Patent Document 3, when a user uses a mobile phone to communicate with an application service means from a car having a car navigation and a user selects a destination which is a use facility, the application service means While obtaining the vehicle position information on the user side set in the car navigation, obtaining the position information of the destination selected by the user side, calculating the estimated arrival time to the destination on the user side from these, Since this is transmitted to the destination side, it is possible to improve the efficiency of the reservation management work on the destination side.
[0008]
In the navigation device described in Patent Document 4, the map data is downloaded, and only when the map data newer than the currently downloaded map data exists in the information center, the minimum data required by the user is This can be downloaded without requiring the user to spend much time.
[0009]
[Patent Document 1]
JP 2002-064881 A (Problems, Solution)
[Patent Document 2]
JP 2002-098539 A (Problems, Solution)
[Patent Document 3]
JP 2002-257666 A (Problems, Solution)
[Patent Document 4]
JP 2002-342330 A (Problems, Solution)
[0010]
[Problems to be solved by the invention]
However, the conventional car navigation system has the following problems.
That is, when the destination is a facility that requires a reservation, such as a restaurant or a beauty salon, the user can make a reservation using the mobile phone 4 if the estimated arrival time is within the range of the reservation possible time Do. In this case, after canceling the function of the remote control of the mobile phone 4, the user needs to make a reservation operation by calling from the mobile phone 4, which not only makes the operation complicated, but also makes it dangerous to drive. There was a problem of accompanying.
[0011]
Moreover, in the indoor household appliance control apparatus described in Patent Document 1, it is confirmed whether or not an appropriate reservation is made, but there is a problem that the reservation is not performed by a simple operation. Further, the car navigation device described in Patent Document 2, the service system described in Patent Document 3, and the navigation device described in Patent Document 4 also have the same problem.
[0012]
The present invention has been made in view of the above circumstances, and is used in a car navigation system in which a facility is reserved by a simple operation, and the system. Mobile phone Terminal device, For reservation request An object of the present invention is to provide a communication method and a communication control program.
[0013]
[Means for Solving the Problems]
In order to solve the above problem, the invention according to claim 1 Destinations related to car navigation systems that need to be booked on the communication line Analyzing the homepage of the destination, location information of the destination And mobile phone to extract reservation time information A terminal device; Mounted on a car, Current position information Detect was detected A navigation unit that calculates a required time from the current position to the destination based on the current position information and the position information of the destination, and generates predicted arrival time information, Mobile phone The terminal device In addition, extracted Above Reservation Available time information and Generated Compared with the estimated arrival time information, the estimated arrival time is Reservation When within the possible time range, Extract the destination network address from the homepage, For the destination network address For reservation request And the expected arrival time is Reservation When you are outside the possible time range, So It is characterized by being configured to notify the user to the effect.
[0014]
The invention according to claim 2 relates to the car navigation system according to claim 1, wherein Mobile phone Terminal device But , Remote control data for remotely controlling the navigation unit, a storage unit for storing the homepage, and the storage unit Above Analyzing the homepage, the location information of the destination, And reservation time information Extract and Extracted Above Reservation The estimated arrival time is determined by comparing the possible time information with the estimated arrival time information transmitted based on the remote control data from the navigation unit. Reservation Determine if it is within the possible time range In addition, as a result of the determination, when the estimated arrival time is within the reservation available time, the network address of the destination is extracted from the homepage. The analyzer and the estimated arrival time Reservation When within the possible time range, Extracted For the destination network address Information for reservation request The transmitting unit to transmit, and the estimated arrival time Reservation It is characterized by comprising a display section for displaying this when it is outside the range of possible time.
[0015]
The invention described in claim 3 Mobile phone Related to the terminal device, A functional configuration as the portable terminal device constituting the car navigation system according to claim 1 or 2. It is characterized by that.
[0016]
Claim 4 The invention described is In connection with the communication method for reservation requests used in car navigation systems, Published on the communication line Of destinations that need to be booked Analyzing the homepage, location information of the destination And mobile phone to extract reservation time information The terminal device and the vehicle mounted on the vehicle Detect current location information and detect the detected Based on the current location information and the location information of the destination Above Current of Used in a car navigation system comprising a navigation unit that calculates a required time from a position to the destination and generates predicted arrival time information, Mobile phone Terminal device In , Extracted Above Reservation Available time information and Generated Compared with the estimated arrival time information, the estimated arrival time is Reservation When within the possible time range, The network address of the destination was extracted from the homepage and extracted For the network address For reservation request And the expected arrival time is Reservation When you are outside the possible time range, So Notify the user to the effect Execute the process It is characterized by that.
[0017]
The invention according to claim 5 According to a communication method for a reservation request used in the car navigation system according to claim 4, the portable terminal device includes: Remote control data for remotely controlling the navigation unit and a storage process for storing the home page, and stored in the storage unit Above Analyzing the homepage, the location information of the destination, And reservation time information Extract and Extracted Above Reservation The estimated arrival time is determined by comparing the possible time information with the estimated arrival time information transmitted based on the remote control data from the navigation unit. Reservation Determine if it is within the possible time range In addition, as a result of the determination, when the estimated arrival time is within the reservation available time, the network address of the destination is extracted from the homepage. The analysis process and the estimated arrival time are Reservation When within the possible time range, Extracted For the destination network address For reservation request A transmission process for transmitting the information, and a display process for displaying when the estimated arrival time is outside the range of the available time. Execute It is characterized by that.
[0018]
The invention described in claim 6 In connection with communication control program, mobile terminal device installed Claim on computer 4 or 5 Described Execute processing It is characterized by letting.
[0020]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
FIG. 1 is a block diagram showing an electrical configuration of a car navigation system according to an embodiment of the present invention.
This type of car navigation system is mounted on an automobile and includes a navigation unit 11, a display 12, a remote controller 13, and a mobile phone 14, as shown in the figure. The navigation unit 11 includes a GPS receiver that detects the current position of the automobile. When the destination is set, the navigation unit 11 determines from the current position to the destination based on the current position information and the position information of the destination. Calculates the required time and generates estimated arrival time information. The display 12 displays the estimated arrival time together with the traveling speed based on the generated estimated arrival time information, and relays communication between the remote controller 13 or the mobile phone 14 and the navigation unit 11 via the infrared port 12a. . The remote controller 13 operates the entire navigation unit 11 via the infrared port 12a of the display 12, for example, for setting a destination.
[0021]
The mobile phone 14 has a function of performing the same operation as that of the remote controller 13 via the infrared port 14a by downloading remote control data for remotely controlling the navigation unit 11 from the website. Further, the mobile phone 14 analyzes the contents of the homepage corresponding to the destination published on the communication line (for example, the Internet), extracts the location information, the available time information, and the network address of the destination, When the available time information is compared with the estimated arrival time information generated by the navigation unit 11 and the estimated arrival time is within the available time range, desired information (for example, When the estimated arrival time is out of the usable time range, a message to that effect is displayed on the display 12 or the display unit of the mobile phone 14.
[0022]
FIG. 2 is a block diagram showing an electrical configuration of the mobile phone 14 in FIG.
The cellular phone 14 includes an antenna 21, a radio unit 22, a display unit 23, an operation unit 24, a memory 25, a data analysis unit 26, a control unit 27, and an infrared port 14a. The antenna 21 transmits and receives radio waves W to and from a radio base station (not shown). The wireless unit 22 performs transmission / reception processing of wireless data via the antenna 21. In particular, in this embodiment, the remote control data is downloaded from the website via the Internet, and the estimated arrival time is within the available time range. At some point, the desired information is transmitted to the destination network address. In addition to displaying various types of information, the display unit 23 displays this fact particularly when the estimated arrival time is out of the available time range in this embodiment.
[0023]
The operation unit 24 includes a plurality of button switches and the like, and is a means for performing various operations such as inputting characters and selecting items according to user operations. The memory 25 stores the remote control data and the home page. The data analysis unit 26 analyzes the contents of the home page stored in the memory 25 and extracts the location information, the available time information, and the network address of the destination, and the remote control data from the available time information and the navigation unit 11. Is compared with the predicted arrival time information sent based on the above, and it is determined whether or not the predicted arrival time is within the range of available time. The control unit 27 includes a CPU (Central Processing Unit) 27a that controls the entire mobile phone 14, and a ROM (Read Only Memory) 27b in which a communication control program for operating the CPU 27a is recorded. The infrared port 14 a relays communication with the navigation unit 11 via the infrared port 12 a of the display 12.
[0024]
FIG. 3 is a diagram for explaining the principle of position detection in the navigation unit 11 in FIG.
As shown in FIG. 3A, signal radio waves WA, WB, and WC are emitted from the satellites A, B, and C toward the earth. These signal radio waves WA, WB, WC are received by the GPS receiver in the navigation unit 11, and the GPS signal is received from the satellites A, B, C by measuring the delay times of the respective signal radio waves WA, WB, WC. The distance to the aircraft is required. Now, if the distance rA from the satellite A to the GPS receiver is known, the current position of the GPS receiver is somewhere on the circumference a having the radius rA.
[0025]
Similarly, the circumference b of radius rB is obtained by the signal radio wave WB emitted from the satellite B. The current position of the GPS receiver is a point P or a point Q where the circumference a and the circumference b overlap as shown in FIG. Further, when the intersection of the circumference c by the distance rC from the satellite C to the GPS receiver is added, three overlapping points P on the three circumferences become the current position of the GPS receiver. In this way, the point P on the earth is measured by precisely measuring the distances from the three satellites A, B, and C to the GPS receiver. If there are signal radio waves emitted from four or more satellites, three-dimensional positioning including the altitude of the GPS receiver is performed.
[0026]
4 is a flowchart for explaining the operation of the car navigation system of FIG. 1, FIG. 5 is a schematic diagram showing a state in which remote control data for operating the system is downloaded to the mobile phone 14, and FIG. FIG. 8 is a schematic diagram showing a state of being downloaded to the mobile phone 14, and FIG. 7 is a diagram showing an example of a downloaded home page.
With reference to these drawings, a communication method used in the car navigation system of this embodiment will be described.
The cellular phone 14 is connected to the A company website 31 via a radio base station (not shown) and the Internet NW. Then, as shown in FIG. 5, remote control data (for example, “X company car navigation”) for remotely controlling the navigation unit 11 is selected from the remote control data R held in the A company website 31 and is carried. It is downloaded to the telephone 14 (step A1). In this case, the remote control data R is provided after being converted into a format that can be stored in a terminal device such as the mobile phone 14 at the A company website 31. The downloaded remote control data is stored and registered in the memory 25 inside the mobile phone 14 (step A2, storage process).
[0027]
Thereafter, the cellular phone 14 is connected to the company C information site 32 via a radio base station (not shown) and the Internet NW (step A3). Then, as shown in FIG. 6, the homepage H published on the Internet from the company C information site 32 is taken into the mobile phone 14, stored in the memory 25, and displayed on the display unit 23. The homepage H is composed of hypertext such as HTML (Hyper Text Markup Language), for example, restaurants and resorts that are published in regional information magazines such as restaurants, beauty salons, department stores, amusement parks, libraries, hospitals, etc. Provide information such as. The information provided includes location information on the map (latitude and longitude) in the case of a store or resort, and in the case of a restaurant or beauty salon, the available time and contact information (phone number, E-mail addresses), department stores, amusement parks, etc., business hours.
[0028]
The user operates the operation unit 24 of the mobile phone 14 to search for a destination or a transit place in the home page H (step A4). At this time, detailed information pages such as “Menu List” L, “Gourmet” M, and “XX Restaurant” N in FIG. 6 are displayed in sequence, and the destination and waypoint are determined by the user's operation. Determined (step A5). For example, when it is decided to go to “XX restaurant”, a home page H shown in FIG. 7 is displayed. In this home page H, time information t such as reservation time and business hours, position information p on the map such as latitude and longitude, telephone number n, and mail address m are described. Determined destination or waypoint Regarding The position information (latitude, longitude), usable time information and network address on the map are extracted by the data analysis unit 26. . First, the position information (latitude and longitude) on the map is extracted by the data analysis unit 26 for the determined destination and waypoint. (Step A6).
[0029]
Based on the remote control data stored in the memory 25, the mobile phone 14 is activated as a remote control (step A7), and the position information extracted in step A6 is displayed on the display unit 23. This position information is transmitted to the navigation unit 11 via the infrared port 14a and the infrared port 12a of the display 12 (step A8). In the navigation unit 11, position information (latitude / longitude) of the destination is set on the internal map (step A9), and the destination is determined from the current position based on the position information of the destination and the current position information of the car. The required time until the time is calculated and the estimated arrival time information is generated (step A10). The estimated arrival time information is transmitted from the navigation unit 11 via the infrared port 12a based on the remote control data, and is received by the mobile phone 14 (step A11).
[0030]
The data analysis unit 26 of the mobile phone 14 extracts the available time information (reservation time, business hours) from the information page displayed in step A5. (Step A12) Then, the availability time information and the expected arrival time information are compared to determine whether or not the expected arrival time is within the available time range (step A13, analysis processing). When the estimated arrival time is within the available time range, the data analysis unit 26 of the mobile phone 14 extracts a destination network address (for example, a telephone number) from the information page displayed in step A5. (Step A14). Then, desired information is transmitted from the mobile phone 14 to a contact corresponding to the network address (telephone number) (for example, a telephone call for reservation or the like is started) (step A15, transmission processing). When the estimated arrival time is outside the available time range in step A13, an error message indicating this is displayed on the display unit 23 of the mobile phone 14 (step A16, display processing), and step A3. Return to.
[0031]
As described above, in this embodiment, the available time information acquired from the homepage of the destination and the estimated arrival time information calculated by the navigation unit 11 are compared by the mobile phone 14, and the estimated arrival time is determined as the available time. It is determined whether or not it is within the range, and when the estimated arrival time is within the range of the same available time, a call such as a reservation is started for the telephone number of the homepage of the destination. It is possible to avoid complications and to make a reservation for the destination with a safe and simple operation even while traveling. In addition, when the estimated arrival time is outside the available time range, an error message indicating this is displayed on the display unit 23 of the mobile phone 14, so that the user can avoid making a call such as a reservation by mistake. Is done. Further, the mobile phone 14 stores the remote control data of the navigation unit 11 in the memory 25 and has a function of performing an operation equivalent to that of the remote control 13, so the position information (latitude, longitude) acquired from the home page H is navigated. When the predicted arrival time calculated by the navigation unit 11 is received and the estimated arrival time is compared with the available time, the operability is improved as compared with the remote controller 13. Further, since the mobile phone 14 can set the destination and waypoint without connecting to the navigation unit 11 based on the position information acquired from the home page H, the operability is improved as compared with the remote controller 13.
[0032]
The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and even if there is a design change without departing from the gist of the present invention, Included in the invention.
For example, in addition to the mobile phone 14, a PDA (Personal Digital Assistants) or a portable personal computer that analyzes hypertext and can be connected to the Internet NW may be used as the terminal device. The remote control data for remotely controlling the navigation unit 11 may be downloaded from a website or read from a recording medium (for example, a flexible disk or a memory stick) on which the remote control data is recorded. Further, the network address extracted in step A14 may be an electronic mail address or an Internet address (Uniform Resource Locator, URL) in addition to a telephone number. In step A16, an error message is displayed on the display unit 23. For example, an alarm sound may be generated.
[0033]
【The invention's effect】
As described above, according to the configuration of the present invention, the available time information acquired from the homepage of the destination is compared with the estimated arrival time information calculated by the navigation unit, and the estimated arrival time can be used. It is determined whether it is within the time range, and when the estimated arrival time is within the same available time range, a call such as a reservation is started for the telephone number of the destination homepage, It is possible to avoid complicated operations, and it is possible to make a reservation for a destination with a safe and simple operation even while traveling. Further, when the estimated arrival time is out of the available time range, an error message indicating this is displayed on the display unit of the terminal device, so that it is possible to prevent the user from making a call such as a reservation by mistake. In addition, since the remote control data of the navigation unit is stored in the storage unit and a function of performing the same operation as the remote control is added to the terminal device, the position information acquired from the homepage is transmitted to the navigation unit, and the navigation unit By receiving the estimated arrival time calculated in (1) and comparing the estimated arrival time with the available time, the operability can be improved as compared with the remote controller. Further, since the terminal device can set the destination and waypoint without connecting to the navigation unit based on the position information acquired from the homepage, the operability can be improved as compared with the remote control.
[Brief description of the drawings]
FIG. 1 is a block diagram showing an electrical configuration of a car navigation system according to an embodiment of the present invention.
FIG. 2 is a block diagram showing an electrical configuration of the mobile phone 14 in FIG.
FIG. 3 is a diagram illustrating the principle of position detection in the navigation unit 11 in FIG. 1;
FIG. 4 is a flowchart for explaining the operation of the car navigation system of FIG. 1;
FIG. 5 is a schematic diagram showing a state where remote control data is downloaded.
FIG. 6 is a schematic diagram showing a state where a home page is downloaded.
FIG. 7 is a diagram illustrating an example of a downloaded home page.
FIG. 8 is a block diagram showing an electrical configuration of a conventional car navigation system.
[Explanation of symbols]
11 Navigation part
12 display
13 Remote control
14 Mobile phone (terminal equipment)
21 Antenna
22 Radio unit (transmitter)
23 Display
24 Operation unit
25 Memory (storage unit)
26 Data Analysis Department (Analysis Department)
27 Control unit
27a CPU (Central Processing Unit)
27b ROM (Read Only Memory)
NW Internet (communication line)
H Homepage
t Time information (available time information)
p Location information
n Telephone number (network address)
m Mail address (network address)

Claims (6)

A mobile terminal device that analyzes a homepage of a destination that needs to be reserved and is published on a communication line, and extracts location information and reservation time information of the destination;
It is mounted on an automobile, detects the current position information of the automobile , calculates the required time from the current position to the destination based on the detected current position information and the position information of the destination, and arrives A navigation unit for generating predicted time information,
The portable terminal device further includes:
When the estimated arrival time by comparing the generated and extracted the reservation time information the estimated arrival time information is within the range of the destination of reservable time, the network address of the destination from the homepage And sending information for the reservation request to the destination network address,
When the estimated arrival time is outside of the reservable time, a car navigation system characterized in that it is configured to notify the fact of that the user. The portable terminal device
Remote control data for remotely controlling the navigation unit, and a storage unit for storing the homepage;
Position information of the storage unit to analyze the homepage stored the destination, and reservable time to extract information, sent on the basis of the remote control data extracted the reservation time information from the navigation unit The predicted arrival time information is compared to determine whether the estimated arrival time is within the reservation available time range, and as a result of the determination, the estimated arrival time is within the reservation available time range. An analysis unit that extracts a network address of the destination from the homepage ;
A transmission unit that transmits information for a reservation request to the extracted network address of the destination when the estimated arrival time is within the reservation available time;
The car navigation system according to claim 1, further comprising a display unit that displays when the estimated arrival time is outside the reservation available time range. A mobile terminal device comprising a functional configuration as the mobile terminal device constituting the car navigation system according to claim 1 . A mobile terminal device that analyzes a homepage of a destination that needs to be reserved and is published on a communication line, and extracts location information and reservation time information of the destination;
It is mounted on a vehicle to detect the current location of the automobile, by calculating the time required from the current position based on the detected positional information of the current position information and the destination to the destination Used in a car navigation system comprising a navigation unit for generating predicted arrival time information,
To the portable terminal device,
When the estimated arrival time by comparing the generated and extracted the reservation time information the estimated arrival time information is within the range of the destination of reservable time, the network address of the destination from the homepage And sending information for the reservation request to the extracted network address,
When the estimated arrival time is outside of the reservable time, a communication method for a reservation request for use in a car navigation system, characterized in that to execute a process of notifying the fact of that the user. In the portable terminal device,
Remote control data for remotely controlling the navigation unit, and storage processing for storing the homepage;
Position information of the storage unit to analyze the homepage stored the destination, and reservable time to extract information, sent on the basis of the remote control data extracted the reservation time information from the navigation unit The predicted arrival time information is compared to determine whether the estimated arrival time is within the reservation available time range, and as a result of the determination, the estimated arrival time is within the reservation available time range. An analysis process for extracting a network address of the destination from the homepage ,
A transmission process for transmitting information for a reservation request to the extracted network address of the destination when the estimated arrival time is within the reservation available time;
5. A communication method for reservation request used in a car navigation system according to claim 4, wherein when the estimated arrival time is outside the range of the available time, display processing for displaying the fact is executed. . A communication control program for causing a computer equipped with a mobile terminal device to execute the processing according to claim 4 or 5 .

Images