JP5304767B2 - Information recording apparatus and information recording system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To effectively use information which is acquired from outside by saving the capacity of a memory resource by narrowing down the information acquired from outside to information that a user requires. <P>SOLUTION: An information recording system 100 comprises information recording devices 10, 20. In the information recording devices 10 (20), an information storage part 12 (22) stores information associated with its vehicle A (B) mounted with the information recording device 10 (20), and a condition setting part 17 (27) sets conditions of information that the user requires in a state in which a monitor 14 (24) displays stored information. Further, an information specification part 15 (25) specifies predetermined information among pieces of information stored in the information storage part 22 (12) that the other external vehicle B (A) is equipped with based upon the set conditions, and an information acquisition part 16 (26) acquires the information specified by the information specification part 15 (25) from the information storage part 22 (12) that the other vehicle B (A) is equipped with. <P>COPYRIGHT: (C)2012,JPO&amp;INPIT

Description

  The present invention relates to an information recording device that is mounted on a vehicle and records information related to the vehicle, and an information recording system that includes a plurality of the information recording devices.

As this type of device, for example, the device described in Patent Document 1 receives travel state information recorded by a recording device included in an external mobile body, and the behavior of the mobile body based on the received travel information state is dangerous. If it judges, the video information regarding the dangerous behavior of the moving object is recorded in the recording unit.
By the way, the capacity of memory resources provided in this type of apparatus is limited. For this reason, in a configuration in which all information from the outside is received, the capacity of the memory resource is extremely insufficient. In addition, this type of device is used as, for example, an event data recorder or a drive recorder, and therefore, information to be handled is limited to information when a moving body such as a vehicle is in a dangerous state. Such information can be used only as data for accident analysis, for example, and cannot be used effectively for other purposes.

Table 2008-072282

  Accordingly, an object of the present invention is to make it possible to narrow down information acquired from the outside to information required by the user, thereby saving memory resource capacity, and to acquire information acquired from the outside. An object of the present invention is to provide an information recording apparatus that can be used effectively and an information recording system including a plurality of the information recording apparatuses.

  According to the information recording apparatus of the first aspect, the information storage means stores information related to the vehicle (own vehicle) on which the information recording apparatus is mounted. The vehicle information is various information specified by signals output from various devices, sensors, and switches mounted on the vehicle. For example, the fuel injection amount output from the engine control device And engine speed, acceleration of the vehicle output from the acceleration sensor, ignition ON / OFF status output from the ignition switch, etc., for example, biological information output from the biosensor (such as blood pressure and heart rate of the driver of the vehicle) Information group. The display means displays the information stored in the information storage means. The condition setting means sets a condition for specifying information required by the user in a state where the display means displays the information stored in the information storage means. The information designating unit designates predetermined information among the information stored in the information storage unit provided in the other external vehicle based on the condition set by the condition setting unit. The information acquisition unit acquires the information specified by the information specifying unit from the information storage unit included in the other vehicle. In the information recording system according to the sixth aspect, the search means provided in the other vehicle searches for the information specified by the information specifying means of the own vehicle from the information storage means provided in the other vehicle. And the information acquisition means with which the own vehicle was equipped acquires the information searched by the search means of the other vehicle.

  According to this configuration, the user can set conditions for specifying information required by the user via the condition setting means while referring to the information displayed on the display means. And the information acquired from other external vehicles can be narrowed down to the information which a user requires based on the conditions set by the condition setting means. As a result, information acquired from other external vehicles can be minimized, and the capacity of memory resources can be saved. In addition, since information acquired from other external vehicles is narrowed down to predetermined information, unnecessary information is not included. Therefore, the user can effectively use information acquired from other external vehicles.

According to the information recording apparatus according to 請 Motomeko 2, the position specifying means, the position of the host vehicle at the time when information matching the set conditions by the condition setting means is stored in the information storage means provided in the host vehicle Is identified. The information designating unit designates information stored in the position specified by the position specifying unit by the information storage unit provided in the other vehicle as the predetermined information.
The second aspect specifically specifies processing for designating information acquired from other external vehicles. According to the second aspect, the user can set through the condition setting means a condition for specifying the information required, it is possible to efficiently obtain the information required.
Incidentally, settable condition by the condition setting means, eg if the road section, may be the speed of vehicles, the vehicle acceleration, and at least one of the conditions of the road curvature.

According to the information recording apparatus of the third aspect , the condition setting means can display a condition input field for inputting a condition for specifying information required by the user on the display means. The display means displays the information stored in the information storage means and the condition input field side by side. As a result, the user can input a condition in the condition input field while referring to the information displayed on the display means.

The block diagram which concerns on 1st Embodiment and shows the structure of an information recording device and its peripheral part roughly Flow chart showing contents of control by information recording apparatus Figure showing a monitor display example (1) FIG. 3 equivalent view showing different display examples FIG. 3 equivalent view showing different display examples Diagram showing a monitor display example (2) FIG. 1 equivalent view according to the second embodiment 2 equivalent diagram 3 equivalent figure Figure showing a display example of a monitor (part 3)

(First embodiment)
Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a block diagram schematically showing a configuration of an information recording system 100 including an information recording apparatus 10 for a vehicle mounted on a host vehicle A and an information recording apparatus 20 for a vehicle mounted on another vehicle B. . Since the configuration of the information recording apparatuses 10 and 20 is the same, the configuration of the information recording apparatus 10 will be described below as a representative, and a specific description of the configuration of the information recording apparatus 20 will be omitted.
The information recording apparatus 10 includes a control unit 11, an information storage unit 12 (corresponding to information storage means), a communication unit 13, and a monitor 14 (corresponding to display means).
The control unit 11 is mainly composed of a microcomputer (not shown), and controls the overall operation of the information recording apparatus 10 by executing a control program. In addition, the control unit 11 executes the control program, thereby causing the information specifying unit 15 (corresponding to the information specifying unit), the information acquiring unit 16 (corresponding to the information acquiring unit), and the condition setting unit 17 (corresponding to the condition setting unit). Equivalent) is virtually realized by software.

The information storage unit 12 includes a volatile memory 12a and a nonvolatile memory 12b. The volatile memory 12a is for sequentially storing various types of vehicle information (information on the vehicle) input from the vehicle information detection unit 31 described later. When the vehicle information is input from the vehicle information detection unit 31 exceeding the storage capacity of the volatile memory 12a, the control unit 11 displays the oldest vehicle information stored in the volatile memory 12a at that time. While erasing, the latest vehicle information is stored (overwritten) in the volatile memory 12a. Thereby, the control part 11 memorize | stores the vehicle information input from the vehicle information detection part 31 cyclically in the volatile memory 12a. Note that when the apparatus power supply of the information recording apparatus 10 is turned off, the stored contents (vehicle information) stored in the volatile memory 12a are erased.
The nonvolatile memory 12b is for storing at least a part of the vehicle information stored in the volatile memory 12a. The controller 11 outputs at least a part of the vehicle information stored in the volatile memory 12a by outputting a transfer command and a write command, and stores the extracted vehicle information in the nonvolatile memory 12b. That is, the control unit 11 has a function of moving or copying at least a part of the vehicle information stored in the volatile memory 12a to the nonvolatile memory 12b. Even if the information recording apparatus 10 is powered off, the stored contents stored in the nonvolatile memory 12b are retained without being erased.

The communication unit 13 communicates various data with the information recording device 20 included in the other vehicle B, for example, via a wireless communication line. That is, the communication unit 13 has various data transmission functions and reception functions. The communication by the communication unit 13 may be performed using, for example, a vehicle radio device (DCM: Data Communication Module). Further, the communication by the communication unit 13 may be wired communication or short-range wireless communication. An example of wired communication is USB communication, and an example of short-range wireless communication is Bluetooth (registered trademark) communication.
The monitor 14 is composed of a liquid crystal display, for example. The control unit 11 can display various types of information including vehicle information stored in the information storage unit 12 on the monitor 14.

  The information specifying unit 15 specifies predetermined vehicle information among the vehicle information stored in the information storage unit 22 of the information recording device 20 included in the other vehicle B based on the condition set via the condition setting unit 17. Is for. The information acquisition unit 16 is for acquiring the vehicle information specified by the information specifying unit 15 from the information storage unit 22 of the information recording device 20 provided in the other vehicle B. The condition setting unit 17 sets conditions for specifying vehicle information required by the user in a state where the monitor 19 displays the vehicle information stored in the information storage unit 22, and will be described later. Then, the monitor 19 displays a vehicle information display column P (see FIG. 3) and a condition input column (see each input column in the condition setting column Q shown in FIG. 3). The control unit 11 is configured to be able to execute control described later mainly by the information specifying unit 15, the information acquiring unit 16, and the condition setting unit 17.

Although not described in detail, the information recording device 20 mounted on the other vehicle B includes a control unit 21 corresponding to the control unit 11 and a volatile memory 22a and a nonvolatile memory corresponding to the information storage unit 12. The information storage unit 22 (corresponding to the information storage unit) 22b, the communication unit 23 corresponding to the communication unit 13, the monitor 24 (corresponding to the display unit) corresponding to the monitor 14, and the information corresponding to the information specifying unit 15 A specification unit 25 (corresponding to information specifying unit), an information acquisition unit 26 corresponding to information acquisition unit 16 (corresponding to information acquisition unit), and a condition setting unit 27 corresponding to condition setting unit 17 (corresponding to condition setting unit) With.
The information recording device 10 mounted on the host vehicle A further includes a search unit 18 (corresponding to a search unit), and the information recording device 20 mounted on the other vehicle B is a search unit 28 (corresponding to a search unit). Is further provided. The search unit 18 searches the information storage unit 12 included in the host vehicle A for information specified by the information specifying unit 25 of the other vehicle B. The search unit 28 searches the information specified by the information specifying unit 15 of the host vehicle A from the information storage unit 22 included in the other vehicle B. The search unit 18 is virtually realized by software by the control unit 11 of the information recording apparatus 10 executing the control program, and the search unit 28 is executed by the control unit 21 of the information recording apparatus 20. By doing so, it is virtually realized by software.

The information recording apparatus 10 (20) having the above configuration is connected to a vehicle information detection unit 31 (61) for detecting various information (vehicle information) related to the host vehicle A (another vehicle B) via an in-vehicle LAN. . The vehicle information detection unit 31 (61) includes an engine control device 32 (62), a brake control device 33 (63), a transmission control device 34 (64), an airbag control device 35 (65), and a navigation device 36 (66). And various devices such as a camera device 37 (67). The vehicle information detector 31 (61) includes an acceleration sensor 38 (68), a speed sensor 39 (69), an accelerator sensor 40 (70), a brake sensor 41 (71), a steering sensor 42 (72), and a seat belt sensor. 43 (73), a living body sensor 44 (74), and a sheet sensor 45 (75). The vehicle information detection unit 31 (61) includes various switches such as an ignition switch 46 (76) and a headlight switch 47 (77).
The engine control device 32 (62) outputs a signal that can specify the fuel injection amount of the engine and a signal that can specify the engine speed, and the brake control device 33 (63) outputs a signal that can specify the brake hydraulic pressure, The transmission control device 34 (64) outputs a signal that can specify the shift position, the airbag control device 35 (65) outputs a signal that can specify the open / close state of the airbag, and the navigation device 36 (66) A signal capable of specifying the position is output, and the camera device 37 (67) outputs a signal of an image captured by the camera.

The acceleration sensor 38 (68) outputs a signal capable of specifying the vehicle acceleration, the speed sensor 39 (69) outputs a signal capable of specifying the vehicle speed (vehicle speed), and the accelerator sensor 40 (70) opens the accelerator. The brake sensor 41 (71) outputs a signal that can specify the brake depression amount, the steering sensor 42 (72) outputs a signal that can specify the steering angle, and the seat belt sensor. 43 (73) outputs a signal capable of specifying the seat belt wearing state. The biological sensor 44 (74) is provided, for example, in the steering of the vehicle, and outputs a signal that can specify biological information such as blood pressure and heart rate of the driver of the vehicle. The seat sensor 45 (75) is installed in, for example, a seat seat of a vehicle and outputs a signal that can specify the seating state of the occupant. It is possible to specify the number of passengers based on the value of the seat sensor 45 of each seat.
The ignition switch 46 (76) outputs a signal that can specify whether the ignition is on or off. The headlight switch 47 (77) outputs a signal capable of specifying on / off of the headlight. Note that the devices, sensors, and switches that constitute the vehicle information detection unit 31 (61) are not limited to those described above. For example, a timer that outputs a signal that can specify time and time or a travel distance of the vehicle. It includes various devices, sensors, and switches mounted on the vehicle such as a travel distance detection device that outputs a identifiable signal.

  When the information recording apparatus 10 (20) configured as described above is mounted on a vehicle, the information recording apparatus 10 (20) is interlocked with the on / off state of the ignition switch 46 (76) by inputting the ignition signal from the ignition switch 46 (76). When the ignition switch 46 (76) is on, the apparatus power supply is turned on (started up), and when the ignition switch 46 (76) is off, the apparatus power supply is turned off (stops). ) Is configured as follows.

Next, an operation when the information recording apparatus 10 of the own vehicle A acquires predetermined vehicle information from the information recording apparatus 20 of the other vehicle B in the above configuration will be described with reference to the flowchart shown in FIG.
First, in the information recording device 10 of the host vehicle A, the control unit 11 displays the vehicle information related to the host vehicle A on the monitor 14 (step A1). Here, the display mode in step A1 will be described with reference to FIG. As shown in FIG. 3, the control unit 11 displays the vehicle information display field P and the condition setting field Q side by side on the monitor 14. The control unit 11 may display the vehicle information display column P and the condition setting column Q side by side, for example.

  The control unit 11 displays the vehicle information stored in the information storage unit 12 (in this case, the nonvolatile memory 12b) in the vehicle information display column P. In this case, the vehicle information is managed with an identification number (ID), and various items (recording date and time (recording period), recording start point, recording end point, maximum vehicle speed, maximum acceleration, etc.) are indicated. Including. The items included in the vehicle information are not limited to the items described above, but various items (for example, information indicating time-series changes such as the vehicle position, vehicle speed, acceleration, traveling image, etc., and the vehicle type of the vehicle are specified. Information to be included).

  The control unit 11 also includes a condition input field (section condition input field Qa, date / time condition input field Qb, vehicle speed condition input field Qc, acceleration condition) for setting various vehicle information conditions in the condition setting field Q. An input field Qd, a road curvature condition input field Qe, etc.) are provided. In the section condition input field Qa, the user can set the start point and end point of the road section by, for example, touching the map displayed in the field. In the date / time condition input field Qb, the vehicle speed condition input field Qc, the acceleration condition input field Qd, and the road curvature condition input field Qe, the user can input setting conditions via an input unit (not shown). The input unit may have a configuration (hardware configuration) including an input device separate from the information recording device 10 or a configuration (software configuration) displayed on the monitor 14 as an operation screen. In addition, the condition input column provided in the condition setting column Q is not limited to each of the above-described condition input columns, and vehicle information (for example, obtained from various devices, sensors, and switches mounted on the vehicle) Various condition setting fields for setting conditions such as the fuel injection amount of the engine and the on / off state of the headlight can be provided.

The user inputs conditions (conditions for specifying vehicle information required by the user) in various condition setting fields in the condition setting field Q while referring to the vehicle information displayed in the vehicle information display field P. Note that the user may input a condition only in one type of condition setting field, or may input a condition in each of a plurality of types of condition setting fields. In addition, the conditions input in the multiple types of condition setting fields can be combined in an “AND” relationship, or can be combined in an “OR” relationship.
Here, in FIG. 3, the section condition (in this case, the section from the recording start point S1 to the recording end point E1) is set in the section condition input field Qa, and the vehicle acceleration condition is stored in the acceleration condition input field Qd. An example in which (in this case, 1.0 G or more) is set is shown. In FIG. 4, the section condition (in this case, the section from the recording start point S2 to the recording end point E2) is set in the section condition input field Qa, and the date and time condition (in this case, 2010/1) is set in the date / time condition input field Qb. Example of setting a vehicle speed condition (in this case, 60 km / h or more) in the vehicle speed condition input field Qc. Show. In FIG. 5, the section condition (in this case, the section from the recording start point S3 to the recording end point E3) is set in the section condition input field Qa, and the road curvature condition (in this case, 200R) is set in the road curvature condition input field Qe. An example in which the above is set is shown. The road curvature is information included in the map data included in the navigation device 36 (66), for example, and indicates the curvature of each road in the map data. The control unit 11 (21) refers to the map data of the navigation device 36 (66) when the road curvature is handled in the control described later (when the road curvature is set as a condition).

  When various conditions are input to the condition setting column Q, the control unit 11 creates a vehicle information designation signal including the inputted conditions (step A2), and transmits the created vehicle information designation signal (step A3). ). And the control part 11 judges whether search result information (it mentions later in detail) was received (step A4). Note that the processing of steps A2 and A3 described above is processing by the information specifying means of the present invention.

  On the other hand, the control unit 21 of the information recording device 20 mounted on the other vehicle B receives vehicle information from the information recording device 10 mounted on the other vehicle (in this case, the host vehicle A that is another vehicle viewed from the other vehicle B). It is determined whether or not a designated signal has been received (step B1). And the control part 21 will perform a search process, if a vehicle information designation | designated signal is received (step B1: YES) (step B2). In this search process, the control unit 21 searches for vehicle information having items that match the conditions included in the received vehicle information designation signal from the vehicle information stored in the information storage unit 22 included in the information recording device 20. . In this case, the control unit 21 may search for vehicle information that matches all the conditions included in the received vehicle information designation signal, or search for vehicle information that matches only some of the conditions. May be. In addition, when the vehicle information that matches all the conditions is not searched, the control unit 21 may search for the vehicle information that matches only some of the conditions. Note that the processing (search processing) of step B2 is processing by the search means of the present invention.

  When the search process ends, the control unit 21 creates search result information indicating the search result by the search process (step B3), and transmits the search result information (step B4). Here, in the above search process (see step B2), the control unit 21 searches for vehicle information when vehicle information having an item that matches the condition included in the received vehicle information designation signal is searched. Send it in the result information. On the other hand, if the vehicle information having items matching the conditions included in the received vehicle information designation signal is not searched in the search process (see step B2), the control unit 21 stores the corresponding vehicle information. Information indicating the absence is included in the search result information and transmitted.

  When the control unit 11 of the host vehicle A receives the search result information from the information recording device 20 mounted on the other vehicle B (step A4: YES), vehicle information, that is, the above-described search process ( It is determined whether or not the vehicle information retrieved in step B2) is included (step A5). When vehicle information is included in the search result information (step A5: YES), the control unit 11 displays the vehicle information, that is, vehicle information acquired from the other vehicle B on the monitor 14 (step A6). This process is terminated. On the other hand, the control part 11 complete | finishes this process, when vehicle information is not contained in search result information (step A5: NO). Note that the processing of steps A4 and A5 described above is processing by the information acquisition means of the present invention.

  FIG. 6 shows a display example of vehicle information (vehicle information acquired from the information recording device 20 of the other vehicle B) displayed on the monitor 14 in step A6. In this case, the position N of the other vehicle B is displayed in time sequence in the position information display field Ra. In the acceleration information display field Rb, the acceleration of the other vehicle B is displayed in time series. In the speed information display field Rc, the speed of the other vehicle B is displayed in time series. In the travel image display field Rd, the travel image of the other vehicle B is displayed as a moving image in time series. In the date / time information display field Re, the date / time when the vehicle information related to the display is stored in the other vehicle B is displayed. The vehicle type display field Rf displays the vehicle type of the other vehicle B that provided the vehicle information. The items of vehicle information displayed on the monitor 14 are not limited to those described above, and various items included in the acquired vehicle information can be displayed. Moreover, the control part 11 provides the own vehicle information display column which displays the vehicle information of the own vehicle A, and the other vehicle information display column which displays the vehicle information acquired from the other vehicle B, These own vehicle information display columns, Other vehicle information display fields may be displayed side by side on the monitor 14. This makes it easier for the user to compare the vehicle information displayed in both columns.

As described above, according to the present embodiment, the control unit 11 creates a vehicle information designation signal including a condition set via the condition setting column Q, and transmits the vehicle information designation signal. Of the vehicle information stored in the information storage unit 22 of the other vehicle B, vehicle information having items that match the set conditions is designated and acquired.
Thus, the vehicle information acquired from the other external vehicle B can be arbitrarily set by inputting the condition in the condition setting column Q while referring to the vehicle information displayed in the vehicle information display column P. Thereby, the vehicle information acquired from the other external vehicle B can be narrowed down by the conditions set by the user, and the vehicle information required by the user can be acquired efficiently. Further, since the vehicle information acquired from the other external vehicle B is narrowed down according to the conditions set by the user, the vehicle information to be acquired can be minimized, and the memory resource capacity can be saved. it can. Moreover, since the vehicle information acquired from the other vehicle B outside is narrowed down by the conditions set by the user, it is difficult to include unnecessary information. Therefore, the user can effectively use the acquired information.

Further, the control unit 11 displays the vehicle information stored in the information storage unit 12 on the monitor 14. Thereby, the user can easily recognize what information is stored in the information storage unit 12.
Further, the control unit 11 causes the condition setting unit 17 to display a condition setting column Q (various condition input columns for inputting information conditions required by the user) on the monitor 14. Then, the control unit 11 displays the vehicle information display column P (information stored in the information storage unit 12) and the condition setting column Q (condition input column) side by side on the monitor 14. Thereby, the user can input a condition in the condition input field while referring to the vehicle information displayed on the monitor 14.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS. This embodiment is different from the above-described embodiment in the control content related to the designation of vehicle information acquired from other external vehicles. Only differences from the above embodiment will be described below.
That is, as shown in FIG. 7, the information recording apparatus 10 further includes a position specifying unit 80 (corresponding to a position specifying unit). The control unit 11 virtually realizes the position specifying unit 80 by software by executing a control program. When the vehicle location information that matches the condition set by the condition setting unit 17 (the condition input by the user via the condition setting field Q) is stored in the information storage unit 12 included in the host vehicle A, the position specifying unit 80 The position of the own vehicle A is identified. The information recording device 20 mounted on the other vehicle B further includes a position specifying unit 90 (corresponding to a position specifying unit) corresponding to the position specifying unit 80.

Next, in this embodiment, the operation when the information recording apparatus 10 of the own vehicle A acquires predetermined vehicle information from the information recording apparatus 20 of the other vehicle B will be described with reference to the flowchart shown in FIG.
First, in the information recording apparatus 10 of the host vehicle A, the control unit 11 displays the vehicle information related to the host vehicle A on the monitor 14 in the same manner as the process of step A1 in the first embodiment (step C1). The user inputs conditions (conditions of vehicle information required by the user) in various condition input fields of the condition setting field Q while referring to the vehicle information displayed in the vehicle information display field P. Here, FIG. 9 shows an example in which an acceleration condition (in this case, 1.5 G or more) is set in the acceleration condition input field Qd.

  When a condition is input to the condition setting field Q, the control unit 11 executes a search process (step C2). In this search process, the control unit 11 searches for vehicle information having items that match the input conditions from the vehicle information stored in the information storage unit 12 included in the information recording device 10. When the search process ends, the control unit 11 determines whether or not vehicle information having an item that matches the input condition has been searched (step C3). When the vehicle information having an item that matches the input condition is searched for in the above search process (see Step C2) (Step C3: YES), the control unit 11 includes the position information included in the vehicle information. The position of the host vehicle A when the vehicle information is stored in the information storage unit 12 included in the host vehicle A is displayed on the monitor 14 (step C4), and the process proceeds to step C5. The vehicle position information may be information indicating a predetermined “point” or may be information indicating a predetermined “section”. On the other hand, if the vehicle information having an item that matches the input condition is not searched in the search process (see step C2) (step C3: NO), the control unit 11 proceeds to step C5 as it is. To do.

  Here, the display mode in step C4 will be described with reference to FIG. As shown in FIG. 10, the control unit 11 displays a vehicle information display field S and a position information display field T on the monitor 14. In the vehicle information display field S, the control unit 11 extracts and displays only vehicle information having items that match the input condition (in this case, acceleration is 1.5 G or more) from the information storage unit 12. Note that when there are a plurality of pieces of vehicle information having items that match the input conditions, the control unit 11 displays the pieces of vehicle information, for example, in the order of identification numbers. When a plurality of pieces of vehicle information are displayed in the vehicle information display field S, the user can select any one piece of vehicle information by touching the screen of the monitor 14, for example. Further, the control unit 11 displays the position information (in this case, the section from the recording start point S4 to the recording end point E4) included in the vehicle information displayed in the vehicle information display field P in the position information display field T. To do. In addition, the control part 11 displays the positional information contained in the vehicle information selected by the user on the positional information display column T, when several vehicle information is displayed on the vehicle information display column S. FIG.

  When the process proceeds to step C5, the control unit 11 creates a vehicle information designation signal and transmits the created vehicle information designation signal (step C6). Here, when the vehicle information having an item that matches the input condition is searched in step C3, the control unit 11 creates a vehicle information designation signal including the position information included in the vehicle information. On the other hand, when the vehicle information having an item that matches the input condition is not searched in step C3, the control unit 11 includes the vehicle information including the input condition as in step A2 in the first embodiment. Create a specified signal. Note that the processing of steps C2 to C4 is processing by the position specifying unit of the present invention, and the processing of steps C5 and C6 is processing of the information specifying unit of the present invention.

  On the other hand, the control unit 21 of the information recording device 20 mounted on the other vehicle B receives vehicle information from the information recording device 10 mounted on the other vehicle (in this case, the host vehicle A that is another vehicle viewed from the other vehicle B). It is determined whether or not a designated signal has been received (step D1). And the control part 21 will perform a search process, if a vehicle information designation | designated signal is received (step D1: YES) (step D2). In this search process, when the received vehicle information designation signal includes position information, the control unit 21 uses the vehicle information stored in the information storage unit 22 included in the information recording device 20 to determine the position information. The vehicle information having the position information that matches is searched. On the other hand, if the position information is not included in the received vehicle information designation signal, the control unit 21 stores the information in the information storage unit 22 included in the information recording device 20 as in step B2 in the first embodiment described above. The vehicle information having items matching the conditions included in the received vehicle information designation signal is searched from the vehicle information that has been received. Note that the processing (search processing) of step D2 is processing by the search means of the present invention.

  When the search process ends, the control unit 21 creates search result information indicating the search result by the search process (step D3), and transmits the search result information (step D4). Here, the control unit 21 matches the vehicle information having the position information that matches the position information included in the received vehicle information designation signal or the condition included in the received vehicle information designation signal in the search process. When vehicle information having an item is searched, the vehicle information is included in the search result information and transmitted. On the other hand, in the search process described above, the control unit 21 includes vehicle information having position information that matches the position information included in the received vehicle information designation signal, or an item that matches the condition included in the received vehicle information designation signal. If the vehicle information having the above is not searched, information indicating that there is no corresponding vehicle information is included in the search result information and transmitted.

  When the control unit 11 of the own vehicle A receives the search result information transmitted from the information recording device 20 mounted on the other vehicle B (step C7: YES), the vehicle information, that is, the above-described information is included in the received search result information. It is determined whether or not the vehicle information searched by the search process (see step D2) is included (step C8). When vehicle information is included in the search result information (step C8: YES), the control unit 11 displays the vehicle information, that is, vehicle information acquired from the other vehicle B on the monitor 14 (step C9). This process is terminated. On the other hand, the control part 11 complete | finishes this process, when vehicle information is not contained in search result information (step C8: NO). Note that the processing of steps C7 and C8 is processing by the information acquisition means of the present invention.

  As described above, according to the present embodiment, the control unit 11 stores vehicle information having items that match the conditions set via the condition setting column Q in the information storage unit 12 included in the host vehicle A. The position specifying unit 80 specifies the position of the host vehicle A at that time. And the control part 11 produces the vehicle information designation | designated signal containing the specified positional information, and transmits the vehicle information designation | designated signal, among the vehicle information memorize | stored in the information storage part 22 of the other vehicle B The vehicle information stored at the position specified by the position specifying unit 80 is designated and acquired.

Thus, the vehicle information acquired from the other vehicle B outside can be arbitrarily set by inputting a condition in the condition setting column Q. Thereby, the vehicle information acquired from the other vehicle B outside can be narrowed down by the positional information specified by the conditions set by the user, and the vehicle information required by the user can be acquired efficiently. Further, since the vehicle information acquired from the other external vehicle B is narrowed down according to the position information specified by the conditions set by the user, the vehicle information to be acquired can be minimized, and the capacity of the memory resource Savings. Moreover, since the vehicle information acquired from the other external vehicle B is narrowed down by the position information specified by the conditions set by the user, it is difficult to include unnecessary information. Therefore, the user can effectively use the acquired information.
In particular, in the present embodiment, it is possible to obtain information indicating under what conditions the other vehicle B has traveled at a position (point or section) where the vehicle information of the conditions input by the user is stored. Therefore, the user can compare how the other vehicle B has traveled at a point or section where the host vehicle A has traveled under a predetermined condition (for example, acceleration is 1.5 G or more).

(Other embodiments)
The present invention is not limited to the above-described embodiments, and can be modified or expanded as follows, for example.
In each of the above-described embodiments, an example in which the own vehicle A acquires vehicle information from the other vehicle B has been described. Similarly, the other vehicle B can acquire vehicle information from the own vehicle A. In addition, the host vehicle can acquire vehicle information from a plurality of other vehicles, and the plurality of vehicles can acquire vehicle information from a specific vehicle.

  In the drawings, 10 and 20 are information recording devices, 12 and 22 are information storage sections (information storage means), 14 and 24 are monitors (display means), 15 and 25 are information designation sections (information designation means), and 16,26. Is an information acquisition unit (information acquisition unit), 17 and 27 are condition setting units (condition setting unit), 18 and 28 are search units (search units), 80 and 90 are position specifying units (position specifying units), and 100 is information. Indicates a recording system.

Claims (4)

An information recording device that is mounted on a vehicle and records information about the vehicle,
Information storage means for storing information relating to the own vehicle;
Display means for displaying information stored in the information storage means;
In the state where the display means displays the information stored in the information storage means, the conditions for specifying the information required by the user are as follows : road section, vehicle speed, vehicle acceleration, road curvature Condition setting means for setting at least one of the conditions ;
Based on the conditions set by the condition setting means, information specifying means for specifying information that matches the conditions set by the condition setting means among the information stored in the information storage means included in the other vehicle;
Information acquisition means for acquiring information specified by the information specifying means from the information storage means included in the other vehicle;
An information recording apparatus comprising: Further comprising position specifying means for specifying the position of the own vehicle when information matching the condition set by the condition setting means is stored in the information storage means included in the own vehicle;
2. The information recording apparatus according to claim 1, wherein the information specifying unit specifies, as predetermined information, information stored in a position specified by the position specifying unit by the information storage unit included in another vehicle. . The condition setting means is configured to be able to display a condition input field for inputting a condition for specifying information required by the user on the display means.
The display means, the information recording apparatus according to claim 1 or 2, wherein the displaying side by side and the condition input section and the information stored in the information storage means. An information recording system comprising an information recording device mounted on the host vehicle for recording information on the host vehicle and an information recording device mounted on another vehicle for recording information on the other vehicle,
Information storage means provided in the information recording device of the host vehicle, for storing information relating to the host vehicle;
Provided in the information recording device of the other vehicle, information storage means for storing information relating to the other vehicle;
Display means for displaying information stored in the information storage means provided in the information recording device of the own vehicle and provided in the own vehicle;
As conditions for specifying the information required by the user in a state where the display unit displays information stored in the information storage unit provided in the information recording device of the own vehicle, a road section, a vehicle Condition setting means for setting at least one of the following conditions: vehicle speed, vehicle acceleration, road curvature;
Based on the conditions set in the information recording device of the host vehicle and set by the condition setting means, the condition set by the condition setting means among the information stored in the information storage means provided in the other vehicle is met. Information specifying means for specifying information to be performed;
A search unit provided in the information recording device of the other vehicle, for searching the information specified by the information specifying unit from the information storage unit included in the other vehicle;
Information acquisition means provided in the information recording device of the host vehicle for acquiring information searched by the search means;
An information recording system comprising:

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