JP2021086015A - Liquid supplying device, server device, and vehicle - Google Patents

Abstract

To present information in such a manner that it can be expected to attract attention.SOLUTION: A vehicle 10 includes two wheels at front and rear sides in a travel direction. On an outer circumferential face of at least one wheel (e.g., a rear wheel) out of these two wheels is provided a protruding structure where information functioning as an advertisement is expressed by text, a symbol or a diagram or the like. When liquid is supplied to a protrusion of this protruding structure while the vehicle 10 is traveling, the liquid-deposited protrusion comes in contact with a road surface while the wheels are rotating on the road surface. The portions of the road surface contacted by the protrusion are thereby wetted by the liquid, and the portions of the road surface not contacted by the protrusion (i.e., road surface portions which a recess has passed through) are not wetted by the liquid. Therefore, as the vehicle 10 travels on a road, there occurs a liquid-wetted portion and an unwetted portion on the surface of the road, and information that functions as an advertisement is represented by a difference in the presence of the liquid.SELECTED DRAWING: Figure 1

Description

The present invention relates to a technique for presenting information such as advertisements.

Techniques for presenting advertisements to passers-by on the streets have been proposed. For example, Patent Document 1 discloses a mechanism for displaying the optimum advertisement information obtained from the user's profile at the timing when a passerby reaches the vicinity of the advertisement display means on the street.

Japanese Unexamined Patent Publication No. 2013-171067

When presenting information such as advertisements, it is important that the information attracts the attention of a large number of people. Therefore, an object of the present invention is to present information in a form that can be expected to attract attention.

In order to solve the above problems, the present invention is provided in a vehicle provided with wheels that display information on the road surface by bringing the outer peripheral surface to which the liquid adheres into contact with the road surface, and supplies the liquid to the outer peripheral surface of the wheels. Provided is a liquid supply device characterized by comprising a supply unit.

The supply unit may include a container in which the liquid is stored and an adjusting mechanism for supplying the liquid stored in the container to the outer peripheral surface of the wheel while adjusting the amount thereof.

The supply unit may include a removal mechanism that removes a part of the liquid supplied to the outer peripheral surface of the wheel from the outer peripheral surface.

The supply unit may control the supply of the liquid according to the conditions relating to the position of the vehicle.

The supply unit may control the supply of the liquid depending on the weather conditions.

The supply unit may control the supply of the liquid according to the conditions relating to the condition of the road surface on which the vehicle passes.

The supply unit may control the supply of the liquid according to conditions relating to a passerby passing through the area including the position of the vehicle.

The supply unit may control the supply of the liquid according to the combination of the conditions and the content of the information displayed on the road surface.

The present invention also provides a server device provided with an instruction unit for instructing the supply of liquid via a communication network to any of the above liquid supply devices.

The present invention also comprises the liquid supply device according to any one of the above, and a vehicle including wheels for displaying information on the road surface when the outer peripheral surface to which the liquid adheres comes into contact with the road surface. provide.

According to the present invention, it is possible to present information in a form that can be expected to attract attention.

It is a figure which illustrates the structure of the vehicle sharing system 1 which concerns on one Embodiment of this invention. It is a block diagram which shows an example of the hardware composition of the server apparatus 20. It is a block diagram which shows an example of the electric hardware composition of a vehicle 10. It is a block diagram which shows an example of the functional structure of a vehicle 10. It is a figure which illustrates the data which the vehicle 10 stores. It is a flowchart which illustrates the operation of the vehicle 10. It is a figure which illustrates the data which the vehicle 10 stores. It is a figure which illustrates the data which the vehicle 10 stores.

[Constitution]
FIG. 1 is a diagram showing an example of the vehicle sharing system 1 of the present embodiment. The vehicle sharing system 1 includes a plurality of vehicles 10, a server device 20, a plurality of mobile terminals 30, and a communication network 2 for communicably connecting the vehicles 10, the server device 20, and the mobile terminals 30. In this embodiment, the vehicle 10 is, for example, an electric bicycle. The parking area of the vehicle 10 is predetermined, and the user uses the vehicle 10 rented in the arbitrary parking area and then returns it to the arbitrary parking area. The server device 20 performs a process for managing the usage status of each vehicle 10 by the user. The communication network 2 is, for example, a wireless communication network of a communication standard such as LTE (Long Term Evolution), and includes a wireless base station (not shown) and a higher-level device thereof. The number of vehicles 10 and mobile terminals 30 in FIG. 1 is merely an example.

The vehicle 10 has two wheels in the front-rear direction with respect to the traveling direction. On the outer peripheral surface of at least one of these two wheels (for example, the rear wheel) (that is, the contact patch of the tires constituting the outer circumference of the wheel with respect to the road surface), information that functions as an advertisement is displayed as characters, symbols, figures, or the like. The uneven structure (or mountain valley structure) expressed by is provided. Such an uneven structure is generally called a tread pattern, and mainly aims to improve driving force, braking force, turning force, drainage force, etc., but in the present embodiment, information is displayed on the road surface. It also functions as a means. When a liquid (for example, water) is supplied to the convex portion of the uneven structure during the passage of the vehicle 10, the convex portion to which the liquid adheres comes into contact with the road surface while the wheels rotate on the road surface. As a result, the portion of the road surface that is in contact with the convex portion is wet with the liquid, and the portion of the road surface that is not in contact with the convex portion (that is, the portion of the road surface through which the concave portion has passed) is not wet with the liquid. For example, when asphalt, concrete or wood deck gets wet with liquid, a part of the liquid is absorbed by the road surface and looks darker than the part not wet with liquid, so the part wet with liquid and the part not wet with liquid on the road surface Can be identified by the human eye. Alternatively, a part of the liquid adheres to the road surface, and the part of the road surface wet with the liquid reflects light, so that the part wet with the liquid and the part not wet with the liquid can be distinguished by the human eye. May be good. In this way, when the vehicle 10 passes through the road as described above, a portion wet with the liquid and a portion not wet with the liquid are generated on the road surface, and the information functioning as an advertisement is displayed depending on the difference in the presence or absence of the liquid. It will be. On the outer peripheral surface of the wheel, the portion corresponding to the above-mentioned character, symbol or figure may be a convex portion, or the portion corresponding to the above-mentioned character, symbol or figure may be a concave portion. In short, the information may be displayed depending on the presence or absence of liquid on the road surface.

FIG. 2 is a diagram showing a hardware configuration of the server device 20. The server device 20 is physically configured as a computer including a processor 2001, a memory 2002, a storage 2003, a communication device 2004, an input device 2005, an output device 2006, a bus connecting them, and the like. In the following description, the word "device" can be read as a circuit, a device, a unit, or the like. The hardware configuration of the server device 20 may be configured to include one or more of the devices shown in the figure, or may be configured not to include some of the devices.

For each function in the server device 20, by loading predetermined software (program) on hardware such as the processor 2001 and the memory 2002, the processor 2001 performs an operation and controls communication by the communication device 2004, or the memory 2002. And by controlling at least one of reading and writing of data in the storage 2003.

Processor 2001, for example, operates an operating system to control an entire computer. The processor 2001 may be configured by a central processing unit (CPU) including an interface with a peripheral device, a control device, an arithmetic unit, a register, and the like.

The processor 2001 reads a program (program code), a software module, data, and the like from at least one of the storage 2003 and the communication device 2004 into the memory 2002, and executes various processes according to these. As the program, a program that causes a computer to execute at least a part of the operations described later is used. The functional block of the server device 20 may be realized by a control program stored in the memory 2002 and operating in the processor 2001. Various processes may be executed by one processor 2001, or may be executed simultaneously or sequentially by two or more processors 2001. Processor 2001 may be implemented by one or more chips. The program may be transmitted from the communication network 2 to the server device 20 via a telecommunication line.

The memory 2002 is a computer-readable storage medium, and is composed of at least one such as a ROM (Read Only Memory), an EPROM (Erasable Programmable ROM), an EPROM (Electrically Erasable Programmable ROM), and a RAM (Random Access Memory). May be done. The memory 2002 may be referred to as a register, a cache, a main memory (main storage device), or the like. The memory 2002 can store a program (program code), a software module, or the like that can be executed to carry out the method according to the present embodiment.

The storage 2003 is a computer-readable storage medium, for example, an optical disk such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disk, an optical magnetic disk (for example, a compact disk, a digital versatile disk, a Blu-ray). It may consist of at least one (registered trademark) disk), smart card, flash memory (eg, card, stick, key drive), floppy (registered trademark) disk, magnetic strip, and the like. Storage 2003 may be referred to as auxiliary storage.

The communication device 2004 is hardware (transmission / reception device) for communicating between computers via at least one of a wired communication network and a wireless communication network, and is, for example, a communication network device, a communication network controller, a communication network card, and a communication module. Also called.

The input device 2005 is an input device (for example, a keyboard, a mouse, a switch, etc.) that receives an input from the outside. The output device 2006 is an output device (for example, a display) that performs output to the outside. The input device 2005 and the output device 2006 may have an integrated configuration (for example, a touch panel).

Each device such as the processor 2001 and the memory 2002 is connected by a bus for communicating information. The bus may be configured by using a single bus, or may be configured by using a different bus for each device.

The server device 20 includes hardware such as a microprocessor, a digital signal processor (DSP: Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), a PLD (Programmable Logic Device), and an FPGA (Field Programmable Gate Array). The hardware may realize a part or all of each functional block. For example, processor 2001 may be implemented using at least one of these hardware.

The mobile terminal 30 is a computer device that can be carried by a user, such as a smart phone, a tablet, or a wearable terminal. The mobile terminal 30 physically includes a processor, a memory, a storage, a communication device, an input device, an output device, and a bus connecting them, similarly to the server device 20. The communication device of the mobile terminal 30 has a high frequency in order to realize at least one of a configuration suitable for wireless communication, for example, frequency division duplex (FDD) and time division duplex (TDD). It may include configurations such as switches, duplexers, filters, frequency synthesizers and the like. For example, the transmission / reception antenna, the amplifier unit, the transmission / reception unit, the transmission line interface, and the like may be realized by the communication device of the mobile terminal 30. The transmission / reception unit may be physically or logically separated from each other in the transmission unit and the reception unit. Further, for example, a baseband signal processing unit, a call processing unit, and the like may be realized by the processor of the mobile terminal 30.

FIG. 3 is a diagram showing a mainly electrical hardware configuration of the vehicle 10. The vehicle 10 is configured as a computer device including a processor 1001, a memory 1002, a storage 1003, a communication device 1004, an input device 1005, an output device 1006, a liquid supply device 1007, a positioning device 1008, and a bus connecting them. .. Further, the vehicle 10 drives a structure (not shown) for functioning as a bicycle, such as wheels, pedals, handles, saddles, frames, and chains, as well as a motor, a power source, and the like for driving the wheels by electric power. It has a system (not shown). The tires forming the outer peripheral surface of the wheel are provided with the above-mentioned uneven structure. Specifically, for example, this uneven structure is realized by adhering a rubber plate-shaped member having a groove formed at a desired position by laser processing to the outer circumference of an airless tire formed by a 3D printer. There is.

The processor 1001, the memory 1002, the storage 1003, the input device 1005, and the output device 1006 are a group of devices similar to the processor 2001, the memory 2002, the storage 2003, the input device 2005, and the output device 2006 included in the server device 20. The positioning device 1008 positions the vehicle 10 by, for example, GPS (Global Positioning System) or the like. The liquid supply device 1007 is supplied to the outer peripheral surface of the wheel, the container 10071 in which the liquid is stored, the adjusting mechanism 10072 that supplies the liquid to the outer peripheral surface of the wheel while adjusting the amount of the liquid stored in the container 10071, and the outer peripheral surface of the wheel. It includes a removal mechanism 10073 that removes a part of the liquid from the outer peripheral surface. The container 10071 is provided with a fuel gauge for the stored liquid. The adjusting mechanism 10072 sprays, for example, a pump for transporting the liquid from the container 10071, a control mechanism for driving the pump to control the supply amount of the liquid, and the liquid transported by the pump on the outer peripheral surface of the wheel. Includes a nozzle for. The removal mechanism 10073 includes, for example, a member (for example, a sponge) made of a material that can be impregnated with liquid, which is provided at a position in contact with the outer peripheral surface of the wheel, and a support that supports the member with respect to the frame of the vehicle. Including. This member is for adjusting the amount of liquid adhering to the outer peripheral surface of the wheel to an amount suitable for displaying information on the road surface, and is pressed against the outer peripheral surface of the wheel with an appropriate pressure. That is, this removal mechanism is provided on the outer peripheral surface of the wheel from the point where the liquid is supplied to the outer peripheral surface to the point where the outer peripheral surface comes into contact with the road surface.

The communication device 1004 has a high frequency switch and a duplexer in order to realize at least one of a configuration suitable for wireless communication, for example, frequency division duplex (FDD) and time division duplex (TDD). , Filter, frequency synthesizer and the like may be included. For example, the transmission / reception antenna, the amplifier unit, the transmission / reception unit, the transmission line interface, and the like may be realized by the communication device 1004. The transmission / reception unit may be physically or logically separated from each other in the transmission unit and the reception unit. Further, for example, a baseband signal processing unit, a call processing unit, and the like may be realized by the processor 1001.

FIG. 4 is a block diagram showing an example of the functional configuration of the vehicle 10. As shown in FIG. 4, in the vehicle 10, the positioning unit 11 and the supply unit 12, which are the configurations characteristic of the present embodiment, are realized. In each of these functions, by loading predetermined software (program) on hardware such as the processor 1001 and the memory 1002, the processor 1001 performs an operation and controls communication by the communication device 1004, or the memory 1002 and the storage. It is realized by controlling at least one of reading and writing of data in 1003, or by controlling the liquid supply device 1007.

In FIG. 4, the positioning unit 11 measures the position of the vehicle 10 by GPS or the like.

The supply unit 12 supplies the liquid to the outer peripheral surface of the wheel. The supply unit 12 controls the supply of the liquid according to a certain condition (the position of the vehicle 10 in this embodiment). Here, it is determined that the vehicle 10 displays information in a predetermined area (referred to as a display area), and the determination unit 121 of the supply unit 12 has the position of the vehicle 10 measured by the positioning unit 11. Whether or not the liquid is supplied to the wheels is determined depending on whether or not the vehicle is within the display area. Therefore, the determination unit 121 stores a predetermined position of the display area as illustrated in FIG. This display area is an area where a large number of passers-by are expected to pass, such as in the city center or in front of a station, or an area where information is expected to be easily displayed and viewed, such as asphalt, concrete, or a wooden deck. Is. When the position of the vehicle 10 measured by the positioning unit 11 is within the display area and it is determined that the liquid is supplied to the wheels, the drive unit 122 drives the pump or the like described above to supply the liquid to the wheels. I do.

[motion]
Next, the operation of this embodiment will be described with reference to FIG. First, the user who wants to rent the vehicle 10 performs a predetermined operation on the mobile terminal 30 or the vehicle 10. In response to this operation, the mobile terminal 30 or the vehicle 10 transmits a request including the user ID of the user and the vehicle ID of the vehicle to the server device 20 via the communication network 2. The server device 20 acquires this request, and thereafter performs a process for managing the movement of the vehicle 10 based on the user ID and the vehicle ID. Since these processes themselves are well known, detailed description thereof will be omitted.

In FIG. 6, when the use of the vehicle 10 as described above is started, the positioning unit 11 starts the process of measuring the position of the vehicle 10 in the vehicle 10, and thereafter, this process is periodically repeated (step S11). ).

The supply unit 12 determines whether or not the position of the vehicle 10 measured by the positioning unit 11 is included in the display area illustrated in FIG. 5 (step S12), and the position of the vehicle 10 is included in the display area. (Step S12; YES), the adjusting mechanism 10027 is driven to start the control regarding the supply of the liquid (step S13). As a result, the display of information on the road surface is started.

This control continues until the liquid in the container 10071 is exhausted (step S14; YES) or the position of the vehicle 10 to be measured is no longer included in the display area (step S12; NO).

When the liquid in the container 10071 is exhausted (step S14; YES), the supply unit 12 outputs an alarm asking the driver (user) of the vehicle 10 to replenish the liquid (step S15), and the liquid is replenished. (Step S16; YES), the process returns to step S11.

After the wheels of the vehicle 10 have passed as described above, the information functioning as an advertisement is displayed. This information is displayed by a novel phenomenon of the presence or absence of liquid on the road surface, and it becomes a temporary thing that disappears due to the evaporation of the liquid after a certain period of time, so it has the effect of attracting attention from passers-by who saw this. You can expect it. That is, according to the above embodiment, it is possible to present information functioning as an advertisement to a large number of passers-by in a form that can be expected to attract attention.

[Modification example]
The present invention is not limited to the embodiments described above. The above-described embodiment may be modified as follows. Further, the following two or more modified examples may be combined and carried out.

[Modification 1]
The vehicle is not limited to the electric bicycle illustrated in the embodiment, and may be a non-electric bicycle, as well as a vehicle having wheels such as an automobile, a motorcycle, or a stroller.

[Modification 2]
The supply unit 12 controls the supply of the liquid according to a certain condition (the position of the vehicle 10 in the above embodiment). This condition may be a weather condition. That is, the supply unit 12 may control the supply of the liquid according to the weather conditions at the position of the vehicle 10. The weather condition is that if the weather is such that the entire road surface is not wet, such as sunny or cloudy weather instead of snow or rain, the liquid is supplied to the wheels. Therefore, the vehicle 10 acquires the weather information from the weather information providing device that provides the weather information via the communication network 2, or acquires the weather information by the sensor that detects the weather.

[Modification 3]
Further, the above conditions may be conditions relating to the condition of the road surface. That is, the supply unit 12 may control the supply of the liquid according to the conditions regarding the condition of the road surface on which the vehicle 10 passes. The condition regarding the road surface is that, for example, if the entire road surface is not wet, or if the road surface is easy to display and view information such as asphalt, concrete, or wood deck, the liquid is supplied to the wheels. Therefore, the vehicle 10 acquires information on the road surface via the communication network 2 from a road surface information providing device that provides road surface weather information on the road surface condition, or uses a sensor that detects the road surface condition to detect the road surface condition. Get information about.

[Modification example 4]
Further, the above conditions may be conditions relating to passersby. That is, the supply unit 12 may control the supply of the liquid according to the conditions relating to passersby in the area including the position of the vehicle 10. The conditions regarding passersby are liquid on the wheels when, for example, the total number of passersby is large at the position where the vehicle 10 passes, or when it is predicted that there are many passersby of the attribute (for example, a young man) targeted by the advertisement. It is a condition to supply. Therefore, the vehicle 10 obtains information about the passerby from the passerby information providing device that provides information about the passerby via the communication network 2, or the vehicle 10 relates to the passerby by a sensor that detects the number and attributes of the passerby. Get information.

[Modification 5]
The supply unit 12 may control the supply of the liquid according to the combination of the above-mentioned conditions and the content of the information displayed on the road surface. For example, when the vehicle is near the event venue (conditions related to the position), the vehicle 10 for displaying the advertisement related to the event supplies liquid to the wheels, or the weather is fine (conditions related to the weather) and the road surface is a wood deck (road surface). In the case of (conditions related to the condition), liquid is supplied to the wheels in the vehicle 10 for displaying the advertisement related to the wood deck, or when there are many young men in the passersby (conditions related to the passersby), such young men. A liquid is supplied to the wheels in the vehicle 10 for displaying an advertisement related to a product having a orientation. Information regarding the presence or absence of liquid supply according to the combination of each of the above-mentioned conditions and the content of the information displayed on the road surface is stored in the supply unit 12. For example, as an example when the condition regarding the position is used, the data as illustrated in FIGS. 7 and 8 is stored in the supply unit 12. In the examples of FIGS. 7 and 8, in the display areas P1, P2, and P4, liquid is supplied to the wheels in the vehicles of the vehicle IDs: B1 and B3 for displaying the advertisement of the advertisement attribute C1. In the display area P3, the liquid is supplied to the wheels in the vehicle with the vehicle ID: B2 for displaying the advertisement of the advertisement attribute C2, and in the display area P5, the advertisement of the advertisement attribute C5 is displayed. In the vehicle with vehicle ID: B5, liquid is supplied to the wheels. The supply unit 12 controls the supply of the liquid in the own vehicle by using the vehicle ID of the own vehicle as a key and referring to the data illustrated in FIGS. 7 and 8.

[Modification 6]
The supply unit 12 does not have to control the supply of the liquid according to the above conditions. That is, the supply unit 12 may only always supply an appropriate amount of liquid to the outer peripheral surface of the wheel.

[Modification 7]
The present invention can also be thought of as a server device provided with an instruction unit for instructing the liquid supply device 1007 as described above to supply the liquid via the communication network 2. In this case, the server device 20 illustrated in the embodiment has the function of the determination unit as described above and the function of the instruction unit that instructs the supply of the liquid via the communication network 2 according to the determination result.

[Modification 8]
The information displayed is not limited to advertising purposes.
Further, the structure of the outer peripheral surface of the wheel is not limited to the unevenness concept, and may be a structure in which a portion to which the liquid adheres and a portion to which the liquid does not adhere can occur.

[Other variants]
The block diagram used in the description of the above embodiment shows a block of functional units. These functional blocks (components) are realized by any combination of hardware and / or software. Further, the means for realizing each functional block is not particularly limited. That is, each functional block may be realized by one physically and / or logically coupled device, or directly and / or indirectly by two or more physically and / or logically separated devices. (For example, wired and / or wireless) may be connected and realized by these a plurality of devices.

Each aspect / embodiment described herein includes LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced, 4G, 5G, FRA (Future Radio Access), W-CDMA. (Registered Trademarks), GSM®, CDMA2000, UMB (Ultra Mobile Broadband), IEEE 802.11 (Wi-Fi), IEEE 802.11 (WiMAX), LTE 802.20, UWB (Ultra-WideBand), It may be applied to Bluetooth®, other systems that utilize suitable systems and / or next-generation systems that are extended based on them.

The order of the processing procedures, sequences, flowcharts, etc. of each aspect / embodiment described in the present specification may be changed as long as there is no contradiction. For example, the methods described herein present elements of various steps in an exemplary order, and are not limited to the particular order presented.
Each aspect / embodiment described in the present specification may be used alone, in combination, or switched with execution. Further, the notification of predetermined information (for example, the notification of "being X") is not limited to the explicit one, but is performed implicitly (for example, the notification of the predetermined information is not performed). May be good.

The terms "system" and "communication network" as used herein are used interchangeably.

The information or parameters described herein may be represented by absolute values, relative values from a predetermined value, or other corresponding information. The names used for the above parameters are not limited in any way. Further, mathematical formulas and the like using these parameters may differ from those expressly disclosed herein.

The terms "determining" and "determining" as used herein may include a wide variety of actions. “Judgment” and “decision” are, for example, judgment (judging), calculation (calculating), calculation (computing), processing (processing), derivation (deriving), investigating (investigating), and searching (looking up) (for example, a table). , Searching in a database or another data structure), ascertaining can be regarded as "judgment" or "decision". In addition, "judgment" and "decision" are receiving (for example, receiving information), transmitting (for example, transmitting information), input (input), output (output), and access. (Accessing) (for example, accessing data in memory) may be regarded as "judgment" or "decision". In addition, "judgment" and "decision" mean that "resolving", "selecting", "choosing", "establishing", "comparing", etc. are regarded as "judgment" and "decision". Can include. That is, "judgment" and "decision" may include that some action is regarded as "judgment" and "decision".

The present invention may be provided as an information processing method including steps of processing performed in the vehicle 10 or the server device 20. Further, the present invention may be provided as a program executed in the vehicle 10 or the server device 20. Such a program may be provided in a form stored in a storage medium such as an optical disk, or may be provided in a form such as being downloaded to a computer via a communication network such as the Internet and installed and made available. Is possible.

Software, instructions, etc. may be transmitted and received via a transmission medium. For example, the software uses wired technology such as coaxial cable, fiber optic cable, twisted pair and digital subscriber line (DSL) and / or wireless technology such as infrared, wireless and microwave to websites, servers, or other When transmitted from a remote source, these wired and / or wireless technologies are included within the definition of transmission medium.

The information, signals, etc. described herein may be represented using any of a variety of different techniques. For example, data, instructions, commands, information, signals, bits, symbols, chips, etc. that may be referred to throughout the above description are voltages, currents, electromagnetic waves, magnetic fields or magnetic particles, light fields or photons, or any of these. It may be represented by a combination of.

The terms described herein and / or the terms necessary for understanding the present specification may be replaced with terms having the same or similar meanings.

As long as "inclusion," "comprising," and variations thereof are used herein or in the claims, these terms are as comprehensive as the term "comprising." Intended to be targeted. Furthermore, the term "or" as used herein or in the claims is intended not to be an exclusive OR.

Throughout this disclosure, if articles are added by translation, for example a, an, and the in English, unless the context clearly indicates that these articles are not. It shall include more than one.

Although the present invention has been described in detail above, it is clear to those skilled in the art that the present invention is not limited to the embodiments described herein. The present invention can be implemented as an amendment and a determination mode without departing from the spirit and scope of the present invention determined by the description of the claims. Therefore, the description of the present specification is for the purpose of exemplification and does not have any limiting meaning to the present invention.

1 ... Vehicle sharing system, 2 ... Communication network, 10 ... Vehicle, 11 ... Positioning unit, 12 ... Supply unit, 121 ... Judgment unit, 122 ... Drive unit, 1001 ... Processor, 1002 ... Memory, 1003 ... Storage, 1004 ... Communication device, 1005 ... Input device, 1006 ... Output device, 1007 ... Liquid supply device, 10071 ... Container, 10072 ... Adjustment mechanism, 10073 ... Removal mechanism, 1008 ... Positioning device, 20 ... Server device, 2001 ... Processor, 2002 ... Memory, 2003 ... Storage, 2004 ... Communication device, 2005 ... Input device, 2006 ... Output device.

Claims (10)

It is provided in a vehicle equipped with wheels that display information on the road surface by bringing the outer peripheral surface to which the liquid adheres into contact with the road surface.
A liquid supply device including a supply unit that supplies liquid to the outer peripheral surface of the wheel. The supply unit
A container that stores liquid and
The liquid supply device according to claim 1, further comprising an adjusting mechanism for supplying the liquid stored in the container to the outer peripheral surface of the wheel while adjusting the amount thereof. The liquid supply device according to claim 1 or 2, wherein the supply unit includes a removing mechanism for removing a part of the liquid supplied to the outer peripheral surface of the wheel from the outer peripheral surface. The liquid supply device according to any one of claims 1 to 3, wherein the supply unit controls the supply of the liquid according to a condition relating to the position of the vehicle. The liquid supply device according to any one of claims 1 to 4, wherein the supply unit controls the supply of the liquid according to a condition relating to the weather. The liquid supply device according to any one of claims 1 to 5, wherein the supply unit controls the supply of the liquid according to a condition relating to a road surface condition through which the vehicle passes. The liquid supply according to any one of claims 1 to 6, wherein the supply unit controls the supply of the liquid according to a condition relating to a passerby passing through an area including the position of the vehicle. apparatus. The supply unit according to any one of claims 4 to 7, wherein the supply unit controls the supply of the liquid according to a combination of the conditions and the content of the information displayed on the road surface. Liquid supply device. A server device according to any one of claims 1 to 8, further comprising an instruction unit that instructs the liquid supply device to supply the liquid via a communication network. The liquid supply device according to any one of claims 1 to 8.
A vehicle characterized by being provided with wheels that display information on the road surface when the outer peripheral surface to which the liquid adheres comes into contact with the road surface.

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