KR101538610B1 - Modulized bus information terminal and operating method thereof - Google Patents

Abstract

Disclosed is a bus information terminal, an expression portion and a control portion of which are modularized, in which finding, registration, activation, and distribution of the module are systematized, and an operation method thereof. The bus information terminal comprises: a framework which includes one or more components supporting a preset first communication protocol and a plurality of components supporting second communication protocols different from each other according to areas or countries; one or more first sub-modules for expressing bus information; a plurality of second sub-modules for expressing simple additional information; a plurality of third sub-modules for expressing interactive information; a first plug-in module which finds and registers the first sub-modules; a second plug-in module which finds and registers the second sub-modules; a third plug-in module which finds and registers the third sub-modules; and a plug-in manager which controls the first plug-in module, the second plug-in module, and the third plug-in module on the framework.

Description

[0001] MODULATED BUS INFORMATION TERMINAL AND OPERATING METHOD THEREOF [0002]

Embodiments of the present invention relate to a bus information terminal, and more particularly, to a bus information terminal that modularizes the display portion and the control portion of a bus information terminal and systematically discovers, registers, activates, and distributes the corresponding module, .

A bus information terminal (BIT) is a device that is connected to a bus information server operated by a bus information center and guides bus information related to the bus. Here, the bus information information server utilizes the location information of the buses collected in real time through the bus terminal installed on the bus, and stores bus information such as expected arrival time of the buses in operation, the bus position for each route, Acquires bus operation information, and outputs the obtained bus information to the bus information terminal installed in the bus stop via the wired / wireless communication network.

An example of a conventional bus information system is disclosed in Patent Document 1. [ The bus information terminal of the bus information system of Patent Document 1 receives and classifies estimated arrival time information of each route bus to a stop from the operation server and displays it on the route map of each route bus or displays the route number, Guide. To this end, the hardware of the conventional bus information terminal is composed of an embedded computer, a display device, a storage, a communication part, a camera, an audio output part, an environmental board, a temperature sensor, a humidity sensor, a door sensor, a fan, a power part and a battery. The software of the bus information terminal includes a buffering module, a client socket, an FTP client, a scheduled arrival time guidance processing module, a supplementary information processing module, a main route operation time guidance processing module, a screen processing module, and a camera capture module.

On the other hand, since the hardware of the conventional bus information terminal has a fixed configuration, it is difficult to add new elements and functions to the hardware, and there is a limit to the acceptability of communication methods diversified according to the region or country It is difficult to add or change services to provide various information besides bus information.

As described above, there is a demand for a bus information terminal to have diversity and flexibility in relation to service and system change for accommodating diversified communication methods and various information services.

KR 10-0941171 B1

An object of the present invention is to provide a bus information terminal capable of dynamically adding necessary elements and functions by modularizing the display portion and the control portion of the bus information terminal by a plug-in method and systemizing the discovery, registration, activation, And to provide a method of operation.

It is another object of the present invention to provide a bus information terminal and a method of operating the bus information terminal, which can increase the acceptability of a communication method diversified by region or country through an application programming interface (API) level framework.

According to an aspect of the present invention, there is provided a communication system including: a framework that includes at least one component supporting a first communication protocol set in advance and a plurality of components supporting second communication protocols different from each other in each region or each country; One or more first submodules for exposing bus information; A plurality of second submodules for simple additional information presentation; A plurality of third submodules for interactive information presentation; A first plug-in module for discovering and registering the first sub-modules; A second plugin module for discovering and registering second submodules; A third plugin module for discovering and registering third submodules; And a plug-in manager for controlling the first plug-in module, the second plug-in module and the third plug-in module on the framework.

In one embodiment, the bus information terminal comprises: an application manager connected to a plug-in manager on a framework; A display module for providing a user interface for user input and information output; And a system interface connecting between the application manager and the display module and the first to third plug-in modules.

In one embodiment, the plug-in manager activates the first to third sub-modules according to the first input information received from the controller or communication interface connected to the framework or received from the user interface, Finds a predefined application programming interface (API) definition in the framework for the found submodules, and registers the found submodules as dynamic submodules in the corresponding plugin module.

In one embodiment, the first input information may include local information or country information. The first sub-module may include a bus information sub-module for exposing bus information or bus related information. The second sub-modules may include simple additional information sub-modules for processing weather information, news information, corrective publicity information, traffic association information, or a combination thereof. The third sub-modules may include interactive information submodules for processing tourist information, advertising and video information, event and announcement information, card balance inquiry, or a combination thereof.

In one embodiment, the plug-in manager checks the version of the found sub-module and, if the version is not the latest version, performs further updates, but if the update is not performed normally, It is possible to check a predetermined API definition and to register the previously discovered sub-modules as dynamic sub-modules in the corresponding plug-in module.

In one embodiment, the plug-in manager finds at least one or more sub-modules corresponding to any one or more APIs preset in the framework according to the local information or country information included in the first input information, You can register to the plug-in module.

In one embodiment, the plug-in manager may provide version information, API definition information, dynamic sub-module information, or a combination thereof to the user interface.

In one embodiment, the application manager provides a user interface for the first submodules, the second submodules, and the third submodules through association with the plug-in manager according to a user input signal or a user selection signal through the user interface The information display format on the display screen can be changed.

According to another aspect of the present invention, there is provided a computer readable recording medium storing a program for causing a computer, which includes a framework and a plug-in manager on a framework, to search for a file in a specific directory through a plug- One or more components supporting a communication protocol and a plurality of components supporting different second communication protocols by region or country; Checking one or more predefined application programming interface (API) definitions according to local information or country information through the plugin manager; One or more first submodules connected to the first plug-in module in the first, second and third plug-in modules on the plug-in manager in an activatable or deactivatable manner according to the API definition, an activation or inactivation connection And a plurality of third submodules which are activated or inactivatably connected to the third plug-in module by searching for and searching for a file in a specific directory, and detecting a part of the found submodules And registering the module as a dynamic sub-module with the corresponding plug-in module.

In one embodiment, a method of operating a bus information terminal further comprises checking a version of some submodules previously found in the plugin module and performing an update if the checked version is not the latest version, If not, registering some submodules found earlier in the current version may be included.

In one embodiment, a method of operating a bus information terminal is a method of operating a bus information terminal, in which an association with a plug-in manager is performed in accordance with user input information or user selection information received from a user interface via a display module or received from a system interface in an application manager connected to the framework Modifying information presentation types on the user interface for the first submodules, the second submodules, and the third submodules.

According to the present invention, by modularizing the display portion and the control portion of the bus information terminal and systemizing the discovery, registration, activation, and distribution of the corresponding module, new necessary elements and functions are dynamically and effectively added to the bus information terminal through the plug- There are advantages to be able to.

In addition, according to the present invention, a bus information terminal and a method of operating the bus information terminal can be provided, which increases the acceptability of a communication method diversified by region or country through an API (Application Programming Interface) framework.

Further, according to the present invention, it is possible to easily add and change various additional information other than the bus information, and to integrally manage version checking, registration, activation and distribution of plug-in modules registered in the system at the internal manager level, And system flexibility and scalability can be effectively secured.

Further, according to the present invention, an administrator can control the configuration and arrangement of sub-modules on a screen through a GUI (Graphic User Interface) provided in a display module, and can easily manage resources used for information presentation directly in a plug- have.

1 is a schematic block diagram of a bus information system including a bus information terminal according to an embodiment of the present invention.
2 is a block diagram of an embodiment of a hardware architecture that can be employed in the bus information terminal of FIG.
3 is a block diagram of an embodiment of a software architecture that can be employed in the bus information terminal of FIG.
4 is a flowchart illustrating a main part of a method of operating a bus information terminal according to another embodiment of the present invention.
FIG. 5 is a flowchart of another portion applicable to the method of operating the bus information terminal of FIG.

The embodiments of the present invention described below are capable of various modifications. That is, the embodiments are not intended to limit the embodiments of the present invention. It is to be understood that the invention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

In the following detailed description, the terms first, second, etc. may be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component. The term "and / or" includes any combination of a plurality of related listed items or any of a plurality of related listed items.

When an element is referred to as being "connected" or "coupled" to another element, it is to be understood that any element may be directly connected or coupled to another element, or intervening elements may be present It should be understood that On the other hand, when an element is referred to as being "directly connected" or "directly coupled" to another element, it should be understood that no other element is present in between.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, may have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted to be consistent with the meaning in the context of the relevant art and should not be construed as being ideal or overly formal unless explicitly defined in the present application.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. In order to facilitate the understanding of the present invention, the same reference numerals are used for the same constituent elements in the drawings and redundant explanations for the same constituent elements are omitted. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

1 is a schematic block diagram of a bus information system including a bus information terminal according to an embodiment of the present invention.

1, the bus information system according to the present embodiment is called a bus operation management system and includes a bus information guidance server 10, a bus information terminal (BIT) 20, a bus terminal 70, .

The bus information guidance server 10 is operated by a bus information center and utilizes the position information of the buses collected in real time via the bus terminal 70 installed on the bus to calculate the estimated arrival time of the buses, Acquires bus information or bus-related information such as a star bus location, a distance between the buses to be operated, and outputs the obtained bus information to the bus information terminal 20 installed in the bus stop via the wired / wireless communication network.

The bus information terminal 20 is connected to the bus information guidance server 10 through a network to receive and output bus information and the like related to the bus. Particularly, the bus information terminal 20 according to the present embodiment modulates the display portion and the control portion of the terminal into a plug-in system and systematically discovers, registers, activates, and distributes the corresponding module, thereby dynamically adding necessary elements and functions . In addition, the bus information terminal 20 has acceptability for communication methods diversified by region or country through an API (application programming interface) level framework.

The bus terminal 70 is installed in a vehicle such as a bus, detects a vehicle position, and transmits the collected raw bus database (including the bus position and the current time) to the bus information guidance server 10. The bus terminal 70 may be a wireless communication device such as wireless data, beacon, mobile communication (PCS), or code division multiple access (CDMA), for example, , A wireless LAN (local area network), or a Dedicated Short-Range Communications (DSRC).

2 is a block diagram of an embodiment of a hardware architecture that can be employed in the bus information terminal of FIG.

2, the bus information terminal 20 according to the present embodiment includes a processor 21, a memory 22, a communication interface (I / F) 23, an input / output system 24, A subsystem 25 and a sensor 26. [

The bus information terminal 20 includes a photoelectric conversion device, a terminal PC, a PC LAN card, a transceiver, a digital signal processor (DSU) / modem, a box type device (chassis, A hub, a router, and the like, but is not limited thereto. The terminal may include various boards, a central processing unit (CPU) or processor 21, a memory 22, an external memory, a power supply, and the like.

To explain each component more specifically, the processor 21 may include one or more cores, a cache memory, a memory interface, and a peripheral interface. A multi-core refers to the integration of two or more independent cores into a single package of a single integrated circuit. A single core may refer to a central processing unit. The central processing unit (CPU) may be implemented as a system on chip (SOC) in which a micro control unit (MCU) and a peripheral device (integrated circuit for external expansion device) are disposed together, but the present invention is not limited thereto. The central processing unit includes a register for storing an instruction to be processed, an arithmetic logical unit (ALU) for performing comparison, judgment, and calculation, a control unit for internally controlling the CPU to interpret and execute the instruction, a control unit, and an internal bus. In addition, processor 21 may include, but is not limited to, one or more data processors, image processors, or codecs (CODECs). The data processor, image processor, or codec may be configured separately. The peripheral interface connects the input / output system 24 and various other peripherals to the processor 21. The memory interface couples the memory 22 to the processor 21.

The processor 21 having the above-described configuration executes various software programs to perform various functions for the bus information terminal 20, and performs processing and control for data communication and multimedia communication. The processor 21 may also execute a specific software module (instruction set) stored in the memory 22 to perform various specific functions corresponding to the module. That is, the processor 21 can operate the bus information terminal 20 in cooperation with the software modules stored in the memory 22. [

The memory 22 may be coupled to a memory interface within the processor 21. The memory 22 may include high-speed random access memory and / or nonvolatile memory such as one or more magnetic disk storage devices, one or more optical storage devices, and / or a flash memory.

The memory 22 stores software, programs, a set of instructions, or a combination thereof. A software component may include an operating system module, a communication module, a graphics module, a user interface module, an MPEG module, a camera module, one or more application modules, and the like. In addition, a module that is a software component may be represented by a set of instructions, and therefore, a module may be referred to as an instruction set. A module can also be expressed as a program. The operating system software includes various software components including embedded operating systems such as WINDOWS, LINUX, Darwin, RTXC, UNIX, OS X, VxWorks, etc. and controlling the system operation of the bus information terminal . ≪ / RTI > Control for general system operation, except for bus information display control, may include, for example, memory management and control, storage hardware control and management, power control and management, and the like. The above-described operating system software may also include, but is not limited to, a function of performing communication between various hardware (devices) and software components (modules).

The above-mentioned memory 22 can store a plurality of plug-in modules as a module for bus information display control and a plurality of sub-modules to be found and registered by each plug-in module. Plug-in modules and sub-modules may be controlled by a plug-in manager running on a given framework.

The communication interface (communication I / F) 23 may include one or more wireless communication subsystems. The wireless communication subsystem may include a radio frequency receiver and a transceiver and / or an optical (e.g., infrared) receiver and a transceiver. The communication interface 23 may be a network such as a Global System for Mobile Communication (GSM) network, an Enhanced Data GSM Environment (EDGE) network, a Code Division Multiple Access (CDMA) network, a W- (E.g., a wireless network), a long term evolution (LTE) network, an orthogonal frequency division multiple access (OFDMA) network, a wireless fidelity (Wi-Fi) network, a WiMax network, and / .

The input / output system 24 may include a touch screen controller and / or other input / output controller. The touch screen controller can be connected to the touch screen. The touch screen and touch screen controllers include capacitive, resistive, infrared and surface acoustic wave techniques for determining one or more contact points with the touch screen, as well as other proximity sensor arrangements or other elements Any multitouch sensing technique can be used to detect touch and movement or interruptions thereof.

The touch screen is a type of display module and provides an input / output interface between the bus information terminal 20 and the user / manager. That is, the touch screen can transmit the touch input of the administrator to the bus information terminal 20. And can operate as an intermediary for visually showing the output from the bus information terminal 20 to the administrator or the bus user. The visual output may have the form of text, graphic, video, or a combination thereof.

The touch screen can be manufactured using various display types. For example, the touch screen may include, but is not limited to, a liquid crystal display (LCD), a light emitting diode (LED), a light emitting polymer display (LPD), an organic light emitting diode (OLED) diode or FLED (flexible LED).

Other input / output controllers may be coupled to other input / output devices. Other input / output devices include one or more buttons, a rocker switch, a pointer device such as a thumb-wheel, a dial, a stick, a stylus, an audio device, can do. In the case of an audio device, the other input / output device may be coupled to a speaker or microphone and may be responsible for input and / or output of audio streams such as voice recognition, voice reproduction, digital recording, or telephone functions.

Here, the audio device can communicate with the user through a speaker and / or a microphone. The audio device may receive the data stream through the peripheral interface of the processor 21, convert the received data stream into an electrical stream, and then transmit the converted electrical signal to the speaker. The speaker can convert the electric stream into a sound wave that can be heard by a person and output it. A microphone converts sound waves delivered from a person or other sound source into an electrical stream. Once the converted electrical stream is delivered, the audio device may convert the electrical stream to an audio data stream and transmit the converted audio data stream to the peripheral device interface.

The camera subsystem 25 can capture an image or a moving picture of the foreground of the bus stop, the terminal user, and the like. The image photographed at the camera subsystem 25 may be transmitted to the bus information guidance server through the processor 21 or the communication interface 23. [ The camera subsystem 25 may be used to monitor the status of a bus stop at a remote location or to identify or authenticate a terminal user through image processing.

The sensor 26 may include an optical sensor, a motion sensor, a temperature sensor, a biosensor, and the like. The light sensor can be used for the activation of a lighting device that provides the necessary illumination for a bus stop or bus information terminal depending on the weather or illumination. The optical sensor and the motion sensor may be used to detect proximity of the user to the bus information terminal 20. [

The various functions of the above-described bus information terminal 20 of the present embodiment are not limited to the above-described configuration and may be implemented in hardware including one or more stream processing and / or application specific integrated circuits (ASICs) , Software, or a combination thereof.

3 is a block diagram of an embodiment of a software architecture that can be employed in the bus information terminal of FIG.

3, the bus information terminal 20 according to the present embodiment includes a framework 31, a plug-in manager 32, a plurality of plug-in modules 33, 34 and 35 And a plurality of sub-modules (36; 37; 38). The bus information terminal 20 may include an application manager 42, a display module 43, a display output submodule 44, a system interface 45 and a user interface submodule 46 .

A framework 31 provides a skeleton structure of software that provides bus information services on a platform that includes a given operating system. In this embodiment, the framework 31 may be equipped with one or more first components supporting a first communication protocol set in advance, and a plurality of second components supporting second communication protocols different from each other in each region or each country. In this case, the first component in the bus information terminal 20 is responsible for outputting bus information of the basic form, and the second component is capable of displaying the remaining information (simple additional information, interactive additional information, etc.) .

A plug-in manager 32 manages a user interface between a user using a bus information service and a supplementary information service and a framework in the bus information terminal, And controls the operation flow for performing information presentation.

The plug-in manager 32 includes a plurality of plug-in modules 33, 34, and 35 for bus information service and additional information service, and a plurality of plug-in modules Modules 36, 37, and 38 may be provided. The plug-in manager 32 may be referred to as a plug-in virtualization agent and may control and manage each plug-in module and / or each sub-module.

The plug-in manager 32 activates the first to third sub-modules 36, 37 and 38 according to the first input information received from the controller or communication interface connected to the framework or received from the user interface, (API) definition in advance, finds a corresponding sub-module according to the local information, country information and / or API definition, and registers the found sub-module as a dynamic module in the corresponding plug-in module .

A plurality of plug-in modules (33, 34, 35) can discover and register required sub-modules according to a specific API definition corresponding to a region or a country. This discovery and registration can be performed by the plug-in manager 32, but not limited thereto, by a plug-in module that collaborates with the plug-in manager 32. [

Information about the submodules found and registered in each plug-in module 33, 34, or 35 can be output 44 to the screen via the system interface 45 to occupy at least a portion of the area of the user interface (UI) 46 have.

The plurality of sub modules (36; 37; 38) may have the form of a library or application software, and may be used for exposing or controlling bus information and for displaying or controlling additional information in a bus information terminal. The plurality of sub-modules may include a first sub-module 38, a second sub-module 37 and a third sub-module 36.

For example, the first sub-module 38 may include a bus information submodule for exposing bus information or bus related information. The second sub-module 37 may include a simple additional information sub-module for processing weather information, news information, corrective PR information, traffic link information, or a combination thereof. The third sub-module 36 may include an interactive information sub-module for processing tourist spot information, advertisement and moving picture information, event and notification information, card balance inquiry, or a combination thereof. Table 1 summarizes these.

The application manager 42 manages a user interface between a user who uses the bus information service and the additional information service and a framework within the bus information terminal, and manages a bus information terminal that is modularized in cooperation with the sub- And is responsible for the operation flow control.

The above-described application manager 42 may reside in a sub in which a virtual machine is operated, similar to a plug-in manager, and may exist in another computer. If it exists in another computer, it can operate as a master part for controlling it and as a slave for another part for controlling it.

The display module 43 may be coupled to the screen output submodule 44 to control the screen output submodule 44. The display module may have a driver form of a display device, but is not limited thereto. The display output submodule 44 is displayed as a display output and may include a touch screen submodule. The touch screen submodule may provide an input / output interface between the electronic device and the user. The touch screen submodule of the present embodiment can display the received position information and display the position information of the bus which changes in real time. The touch screen submodule can be used for selectively activating a submodule by an administrator or a user, expressing a bus information service, inputting a management unit, and the like.

The system interface 45 supports data communication between the plug-in modules 33, 34 and 35, the display module 43 and the display output submodule 45 (45). The system interface 45 may be referred to as a bus or an internal transmission line, but is not limited thereto.

The user interface submodule 46 includes various software components related to the user interface. How the state of the user interface changes or the conditions under which the change of the user interface state occurs.

4 is a flowchart illustrating a main part of a method of operating a bus information terminal according to another embodiment of the present invention.

Referring to FIG. 4, after the bus information terminal is activated (S41), the operation method of the bus information terminal according to the present embodiment first acquires local information or country information (S42). The bus information terminal may include a framework as a computing device and a plug-in manager on a framework.

In this step S42, the plug-in manager can retrieve the local information or the country information by searching the file in the specific directory.

The local information is information on the area of the bus stop terminal where the bus information terminal or the bus information terminal is located, and can be used to confirm different settings for the information output form or the information output form on the bus information terminal depending on the area. For example, the local information may include an identifier for at least one of regions such as Gangdong-gu, Gangseo-gu, Gangnam-gu, Gangbuk-gu, Seoul, Incheon, Busan, Daegu, Gwangju,

The country information is information on the country in which the bus information terminal is used, and may be used to confirm different settings for the information output form or the information output form on the bus information terminal depending on the country. For example, the country information may include an identifier for at least one of the following countries: Korea, Japan, China, United States, United Kingdom, Burkina Faso, and the like.

Next, the plug-in manager checks one or more corresponding application programming interface (API) definitions predefined according to local information or country information (S43).

An API definition may include different API definitions depending on the identifiers of different local information. Each API definition may include at least one or more different functional modules according to an identifier for local information or country information, and may include a connection relationship and / or a state transition procedure for a plurality of modules registered by each API definition . Here, the functional module may include a first module (or a first sub-module) for exposing bus information, a second module (or a second sub-module) for expressing or controlling simple additional information, and / Or a third module (or a third sub-module) for control.

Next, the plug-in manager finds a sub-module corresponding to the functional module according to the checked API definition, and registers the found sub-module (S44, S45).

That is, the plug-in manager includes one or more first sub-modules that are connected (i.e., plugged in) to enable or disable the first plug-in module, a plurality of second sub-modules that are activated or deactivatably connected to the second plug- Modules and a third sub-module that is activated or inactivatably connected to the third plug-in module, and registers the discovered sub-modules as dynamic sub-modules in the corresponding plug-in module.

On the other hand, if there is no corresponding module (or sub-module) according to the API definition, the plug-in manager registers a preset basic module so that the bus information terminal meets the minimum requirements (S44, S46) Can be activated.

However, the present invention is not limited to this, and it is possible to provide a plug-in module which is connected to the plug-in manager, such as local / country information or API definition Register, activate, and distribute submodules that are self-managing according to the type of the submodule.

FIG. 5 is a flowchart of another portion applicable to the method of operating the bus information terminal of FIG.

5, when a module (or a sub-module) is activated (S51) according to a searched API definition, a method of operating the bus information terminal according to the present embodiment checks its version before registration of a module or sub-module (S52).

The version may be a firmware version of the module, a software version, an application version, or a combination thereof.

In this step S52, the version check process or the version check result may be output to the screen of the user interface (UI) through the system interface. In this case, the administrator can monitor the version status of the bus information terminal and / or the operation status of the bus information terminal at a remote place.

Next, if the current version of the module or submodule is not the same as the latest version of the corresponding module / submodule received from the network, that is, if there is a newer version later than the current version (N in S53), the plug- It is determined whether the module is updated (S54), and if the update is possible, the current version can be updated to the latest version (S55). On the other hand, if the update can not be performed due to a communication network status failure, a predetermined administrator update setting (not updated), or the like, the plug-in manager proceeds to step S44 of FIG. 4 to register a module or register a replaceable basic module have.

Next, when the current version is the latest version (Y in S53) or when the update is performed (S55), the plug-in manager checks the API information (S56) and performs module registration according to the API information (S57) . At this time, the confirmed API information can be displayed on the screen of the user interface and displayed. The registered module information can also be displayed and displayed on the screen of the user interface.

According to the present embodiment, the plug-in manager can check the version of the found submodule according to the area / country information or the API definition, and operate the automatic update if the current version is not the latest version. On the other hand, when the automatic update is not normally performed, the plug-in manager can directly register specific sub-modules of the current version as a dynamic module (sub-module) in the corresponding plug-in module.

In addition, the plug-in manager may provide version information, API definition information, dynamic sub-module information, registration module / sub-module information, or a combination thereof to the user interface. In addition, the plug-in manager or the application manager may interactively display information on the user interface for the first sub-modules, the second sub-modules and the third sub-modules according to a user input signal or a user selection signal through the user interface You can change the shape.

According to the above-described embodiment, the bus information terminal can operate as a local bus information terminal or a country-specific bus information terminal based on preset area / country information and an API definition corresponding thereto. In addition, the bus information terminal can easily and efficiently add required functions or services by the plug-in structure described above, and can effectively manage and operate bus information terminals by easily activating or deactivating a plurality of functions or services at the administrator level There are advantages to be able to.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit of the invention as defined in the following claims You will understand.

10: bus information guide server
20: bus information terminal
31: Framework
32: Plugin Manager
33 ~ 35: Plug-in module
36 ~ 38: Submodule
42: Application Manager
43: Display module
44: Screen output submodule
45: System interface
70: Bus terminal

Claims (12)

A framework comprising a plurality of components supporting one or more components supporting a predetermined first communication protocol and second communication protocols different for each region or country;
One or more first submodules for exposing bus information;
A plurality of second submodules for simple additional information presentation;
A plurality of third submodules for interactive information presentation;
A first plug-in module for discovering and registering the first sub-modules;
A second plug-in module for discovering and registering the second sub-modules;
A third plugin module for discovering and registering the third submodules;
And a plug-in manager for controlling the first plug-in module, the second plug-in module and the third plug-in module on the framework,
The plug-in manager acquires local information or country information by searching for a file in a specific directory when the bus information terminal is activated, checks one or more predetermined application programming interface (API) definitions according to the local information or country information, Wherein the API definition includes different functional modules according to the identifier of the local information or the country information, and includes a connection relationship and a state transition procedure between modules included in the API definition, Module of the bus information terminal and registers at least one or more found sub modules to the corresponding plug-in module as dynamic sub-modules,
Bus information terminal. delete delete The method according to claim 1,
Wherein the first sub-module includes a bus information sub-module for displaying bus information or bus related information,
Wherein the second submodules include simple additional information submodules for processing weather information, news information, corrective advertisement information, traffic association information, or a combination thereof,
Said third sub-modules comprising interactive information submodules for processing tourist information, advertising and video information, event and announcement information, card balance inquiry, or a combination thereof. The method according to claim 1,
Wherein the plug-in manager checks the version of the found sub-module and further performs automatic update if the version is not the latest version, if the automatic update is not performed normally, And registering the module as a dynamic sub-module with the corresponding plug-in module. delete The method according to claim 1,
Further comprising a display module connected to the plug-in manager and providing a user interface for user input and information output,
Wherein the plug-in manager provides version information, API definition information, dynamic sub-module information, or a combination thereof to the user interface. The method of claim 7,
An application manager connected to the plug-in manager on the framework; And
And a system interface connecting the application manager, the display module, and the first through third plug-in modules,
Wherein the application manager is operable to determine whether the first submodules, the second submodules, and the third submodules, based on a user input signal or a user selection signal through the user interface, A bus information terminal that changes the format of information presentation on a user interface. A method of operating a bus information terminal including a framework and a computing device having a plug-in manager on the framework,
Searching for a file in a specific directory through the plug-in manager when the bus information terminal is activated to acquire local information or country information, wherein the framework includes one or more components supporting a predetermined first communication protocol, A plurality of components supporting different second communication protocols are mounted;
Checking one or more predefined application programming interface (API) definitions according to the local information or country information through the plugin manager, the API definition including different functional modules according to the identifier for the local information or the country information, Comprising: a connection relationship between modules included and a state transition procedure;
One or more first submodules connected to the first plug-in module for activation or deactivation in first, second and third plug-in modules controlled by the plug-in manager according to the API definition, And a plurality of third submodules that are activated or inactivatably connected to the third plug-in module, wherein the display portion and the control portion of the bus information terminal operate And registering some of the found submodules as dynamic submodules in the corresponding plug-in module.
How to operate Bus Information Terminal. The method of claim 9,
Checking the version of the found submodule in the corresponding plug-in module and performing an update if the checked version is not the latest version, if the update is not performed normally, Further comprising registering some submodules that have been received. The method of claim 9,
Modules, the second submodules, the second submodules, the second submodules, the second submodules, the second submodules, the second submodules, the second submodules, the second submodules, the second submodules, Modifying the information presentation mode on the user interface for the submodules and the third submodules,
Wherein the plug-in manager provides version information, API definition information, dynamic sub-module information, or a combination thereof to the user interface,
How to operate Bus Information Terminal. The method of claim 9,
Wherein the first sub-module includes a bus information sub-module for displaying bus information or bus related information,
Wherein the second submodules include simple additional information submodules for processing weather information, news information, corrective advertisement information, traffic association information, or a combination thereof,
Wherein the third sub-modules comprise interactive information submodules for processing tourist information, advertising and video information, event and announcement information, card balance inquiry, or a combination thereof.

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