201038923 六、發明說明： 【發明所屬之技術領域】 本發明是有關於一種導航裝置及導銳方去 、 特別是關於一種能夠依據大眾運輸服務之運行^且 藉由不同顯示特徵以在數位地圖上顯示大=，率而 之路線的導航裝置及導航方法。 A 服務 【先前技術】 隨著全球定位系統（GPS)日益普及，兪 費者喜歡攜帶導航裝置以立即地獲得其現在；：卢: 位置的地圖資訊，或是運用導航功能。 处 當一使用者正在旅行時，有時會希望能夠獲杰 j其位置之大眾運輸服務的運行頻率，藉以選擇^中 一種大眾運輸服務。然而，傳統的導航裝置僅能顯 附近大眾運輸服務的位置，並且當該使用者選定某一 大眾運輸服務時提供時刻表。 x、 -金見參’、、第1圖’此係為先前技藝之導航裝置的顯 不—面示忍圖，一導航裝置顯示一數位地圖1，以及數 f地圖上的—鐵路車站圖像1卜-地下鐵車站圖像12 二個巴士停靠_像（13卜132及133)。當使用者選 你圖像時’例如圖像131，導航裝置即顯示出對應 二 131之巴士停靠站的時刻表μ。然而查看大 取運輪停靠站㈣刻表，對於使用者而言並不方便。 201038923 -· 有鑑於先前技藝的缺點，本發明的發明人根據相 關業界的多年經驗開發出一種導航裝置，藉以克服上 述先前技藝缺點。 【發明内容】 有鑑於上述習知技藝之問題，本發明之一目的在 於提供一種導航裝置及導航方法，能夠依據大眾運輸 服務之運行頻率’產生不同的顯示特徵，以顯示大眾 Ο 運輸服務的路線’藉此提高導航裝置的益處。 根據本發明之目的，本發明之導航裝置包含一導 航模組及一地圖資料庫。地圖資料庫係用於儲存至少 一數位地圖、至少一大眾運輸服務的運行頻率和構成 大眾運輸服務的一路線。導航模組係用於提供一導航 功能，並且顯示數位地圖以及顯示構成大眾運輸服務 的路線在數位地圖上。此路線係根據路線中對應於大 眾運輸服務之運行頻率的顯示特徵來顯示。藉此，即 可在路線上直接地選定一起點、一轉運點或一終點以 供執行導航功能。 其中’大眾運輸服務進一步包含一巴士服務、一 地下鐵服務、一鐵路服務或一高速鐵路服務。 其中，顯示特徵進一步包含路線的顏色、路線的 圖像或路線的透明度等級。 其中，大眾運輸服務的運行頻率進一步分類為複 5 201038923 行頻率等級之大眾運輪服 其中’大眾運輸服務的運行頻率進 數個等級，同時具備不回、番 > 步刀類為複 務是由不同圖像形狀的路線來表示钱之大眾運輪服 其中，大眾運輸服務的運行 數個等級，同時具備不同運行以m類為複 務是由不同透明度等級的路線來=級之大眾運輸服 其中，大眾運輸服務的運行頻率進 同時具備不同運行頻率等級之大眾運:; 務疋由不同文字的路線所表示。 徇服 其中，大眾運輸服務的運行頻率進一步表示 運輸服務在一時段之内的發車數量。、* 本發明之另一目的就是提供一種導航方法， 以在-數位地圖上顯示至少一大眾運輸服 方法包含下列步驟： 等瓶 (〇由一地圖資料庫提供至少一數位地圖、至 少一大眾運輸服務的運行頻率和一構成大眾運輸服務 的路線； (11) 在一導航模組顯示數位地圖，並且根據大 取運輸服務之運行頻率所對應的顯示特徵，以在數位 地圖上顯示路線； 201038923 -· (111)在路線上直接選定一起點、一轉運點或一 終點’並由導航模組據以執行導航功能。 其中，大眾運輸服務進一步包含一巴士服務、一 地下鐵服務、-鐵路服務或—高速鐵路服務。 其中，顯不特徵進一步包含路線的顏色、路線的 圖像或路線的透明度等級。 其中，此方法進一步包含一步驟，係將大眾運輸 服務的運行頻率分類為複數個等級，其中具備不同運 =頻率等級之大眾運輸服務是由不同顏色的路線來表 不 ° 其中，此方法進一步包含一步驟，係將大眾運輸 服務的運行頻率分類為複數個等級，其中具備不同運 =率等級之大眾運輸服務是由不㈣像形狀的路線 來袭7K 〇 “ί中，此方法進一步包含一步驟’係將大眾運輸 —務的運行頻率分類為複數個等級，其中具備不同運 率等級之大眾運輸服務是由不同透明度等級的路 線來表7Κ β 其中 服旅站r此方法進—步包含—步驟，係將大眾運輸 —務的運仃頻率分類為複數個等級，其中具備不同運 行頻率水準之大眾運輸服務是由不同文字的路線來表 不 ° 7 201038923 其中，此大眾運輸服務的運行 服務在某一時段之内的發車數量。’、表不大眾運輸 【實施方式】 現參照第2圖，此係本發明之導航 施例方塊圖’導繼2包含有 上體： 圖資料庫22。地圖資料，22可用於儲存至二 ^221、至少一大眾運輸服務Μ的運行頻率232 ^ 成大眾運輸服務23的路線231。其中，此 務23可包含一巴士服旄 大眾運輸服 n 服務、—地下鐵服務、—鐵路服務 或-间速鐵路服務。且A眾運輸服務23的運行頻率 232進一步可表示大眾運輪服務23在某一 發車數量。 了权的 其中’導航模組21可包含一 GPS模組211、一記 憶體212、-處理器213、一 LCD監視器214及一輸 入模組215°GPS模組211可接收來自GPS衛星的gps =號，同時分析所接收的Gps信號以決定目前位置座 f，並將此資訊傳送至處理器213。處理器213根據目 刖位置座標資訊’自一地圖資料庫22獲得當地鄰區的 數位地圖221。然後處理器213驅動LCD監視器214 以在數位地圖上顯示出導航裝置2的位置。在使用者 藉由輸入模組215輸入欲前往的目的地之後，處理器 213將可計算出一條前往目的地的適當路線，並且驅動 201038923 ·. LCD監視器214顯示此路線及導航資訊，以將使用者 導引至目的地。在計算適當路線過程中，可將大眾運 輸服務視為適當路狀—部份，讀供導航路線給行 人使行人可方便使用大眾運輸服務。記憶體212係 用以儲存處理器所執行的程式。因此，導航模組21能 夠提供-導航功能，其中，此導航震置2可為全球定 位設備、可攜式通訊設備或個人數位助理。 當處理器213驅動LCD監視器214顯示數位地圖 〇 時，處理器213進一步可驅動LCD監視器214在數位 地圖上顯示構成大眾運輸服務的路線，其中，大眾運 輸服務的路線可根據路線的顯示特徵來顯示，而此顯 示特徵可對應於大眾運輸服務的運行頻率。顯示特徵 可包含路線的顏色、路線的圖像、路線的透明度等級 或路線的文字敘述。其中，大眾運輸服務的運行頻率 可分類為複數個等級，並且不同運行頻率等級之大眾 運輸服務的路線可由不同顏色、不同形狀的圖像或不 〇 同的透明度等級來表示。 其中，具有較高運行頻率之大眾運輸服務的路線 可以較明亮且較明顯的顏色來強調，像是白、紅或黃 色，而具有較低運行頻率之大眾運輸服務的路線則可 用較深暗且較不明顯的顏色顯示，像是藍、綠或黑色。 其中’具有較高運行頻率之大眾運輸服務的路線 之圖像可為較寬的線條或一實線表示，而具有較低運 行頻率之大眾運輸服務的路線之圖像則可為較窄的線 9 201038923 條或一虛線表示。 具肀 具·有較尚運行頻率之女牙 之透明度等級可低於具有較：二:，服務的路線 務。 ,权低運仃頻率之大眾運輸服 、 像穴承運輸服務的運行頻率而定， 以不同顏色的圖像、不同形狀的 M — 的圖像、不同透明度等 靠站。°子 位地圖上顯示大眾運輸服務的停 藉此’即可在數位地圖1直接地選定一起點、一 轉運點或-終點以執行導航功能。更詳細地說’，使用 :::路f上選定一目#’例如像是具有較頻繁發車 站或火車車站，以作為其旅行的起點、轉 現參照第3 ®，此係本發明之導航裝置的顯示晝 面具體實施例示意圖’導航裝置顯示一數位地圖3，以 及顯不在數位地圖3上的鐵路車站圖像3u、鐵路服務 路線312、地下鐵車站圖像32卜地下鐵服務路線辺、 三個巴士停靠站圖像(331、332及333)和巴士服務路線 334。在，具體實施例裡，具有不同運行頻率的大眾運 輸服務是由不同顏色的路線和圖像所表示，藉以協助 使用者便利地辨識大眾運輸服務的運行頻率。由於地 下鐵服務的運行頻率高於鐵路服務，並且在地下鐵車 站處的發車頻率高於鐵路車站，因此地下鐵車站圖像 201038923 ·‘ 321及地下鐵服務路線322的顏色可用較明亮或較明 顯的顏色來表而鐵路車站圖像311及鐵路服務路 線_312的顏色則可以例如較深暗或較不明顯的顏色來 表示。在此實施例中，地下鐵車站的運行頻率約為每 小時廿班車，巴士車站的運行頻率約為每小時六班 車，而鐵路車站的運行頻率約為每小時兩班發車◊因 此，在第3圖中，鐵路車站圖像311及鐵路服務路線 312的顏色會較三個巴士停靠站圖像（331、332及Μ” 〇 和巴士服務路線334的顏色為深暗，而後者又會較地 下鐵車站圖像321及地下鐵服務路線322的顏色為深 暗。例如，鐵路服務的車站圖像311及鐵路服務路線 312的顏色可為黑色，三個巴士停靠站圖像（331、 和333)及巴士服務路線334的顏色可為藍色，而地下 鐵服務的地下鐵車站圖像321及地下鐵服務路線322 的顏色則可為白色。 值得注意的是，顯示特徵可進一步包含將鐵路車 〇 站/大眾運輸停靠站/地下鐵與目的地（圖式中並未顯示） 之間的路線加以色彩化，藉此清晰地顯示出導航路 從’而非限於圖像或透明度等級。 因此’導航裝置可讓使用者能夠評估沿著或靠近 其路線之大眾運輸服務的頻率，並作出根據使用者要 求之最佳選擇，而不需使用者複雜的—選擇各個巴 士/電車路線或時刻表。 現參照第4圖’此係本發明之導航裝置的另一顯 11 201038923 示畫面具體實施例示意圖，導航裝置可顯示數位地圖 4,以及在數位地圖上顯示鐵路服務的車站圖像々Η和 路線412、地下鐵服務的車站圖像421和路線422，以 及巴士服務的二個停靠站圖像（431、432及433)和路線 434。在此具體實施例裡，具有不同運行頻率的大眾運 輸服務可由不同圖像形狀的車站圖像和路線所表示， 藉以協助使用者便利地辨識大眾運輸服務的運行頻 率。地下鐵服務的運行頻率為最高等級，因此車站圖 像421的形狀為圓形且路線422為較寬線段。巴士服 務的三個停靠站圖像（431、432及433)其形狀為八邊 形，並且路線434為一實線。鐵路車站的運行頻率為 最低等級，因此車站圖像411的形狀為四邊形且線 412為一虛線。 ，現參照第5圖，此係本發明之導航方法的流程圖， 此導航方法可用以在一數位地圖上顯示至少一大眾運 ，服務’包含下列步驟，在步驟51處，由地圖資：庫 =供至少一數位地圖、至少一大眾運輸服務的運行頻 ^和構成大眾運輸服務的路線。其中，大眾運輸服務 :包含一巴士服務、一地下鐵服務、一鐵路服務或一 高逮鐵路服務。其中，大眾運輸服務的運行頻率可表 不大眾運輸服務在一時段之内的發車數量。 在步驟52處，在一導航模組顯示數位地圖，並且 根據一顯示特徵以在此數位地圖上顯示構成大眾運輸 服務的路線，此顯示特徵可對應於大眾運輸服務的運 12 201038923 Ίί二ΓίΓ地圖上顯示出大眾運輸服 可分類為複數個：級:、並且運輪服務的運行頻率 水準的…二 像形狀或不同透明度 準的路線所表不。例如，具有較冑運 務的圖像顏色可較為明亮，像是紅或黃色，而 率之大果運輸服務的圖像顏色則可較 為冰暗’像是藍或綠色。 ❹ ，步驟53處’在路線上直接地選n點、一轉 =或-終點並據以執行導航功能。更詳細地說，使 用者I在路線上選定一目標，像是具有較頻繁發車的 =士停靠站或火車車站’以作為旅行的起點、轉運點 或終點。 以上所述僅為舉例性，而非為限制性者。任何未 脫離本發明之精神與範嘴，而對其進行之等效修改或 〇 變更，均應包含於後附之申請專利範圍中。 【圖式簡單說明】 第1圖係為先前技藝之導航裝置的顯示晝面示意圖； 第2圖係為本發明之導航裝置的具體實施例方塊圖； 第3圖係為本發明之導航裝置的顯示畫面具體實施 例示意圖； 13 201038923 第4圖係為本發明之導航裝置的另一顯示晝面具體 實施例示意圖；以及 第5圖係為本發明之導航方法的流程圖。 【主要元件符號說明】 1 :數位地圖； 11 :鐵路車站圖像； 12 :地下鐵車站圖像； 131 :巴士停靠站圖像； 132 :巴士停靠站圖像； 133 :巴士停靠站圖像； 14 :時刻表； 2 :導航裝置； 21 :導航模組； 211 : GPS 模組； 212 :記憶體； 213 :處理器； 214 : LCD監視器； 215 :輸入模組； 22 :地圖資料庫； 14 201038923 - 221 :數位地圖； 23 :大眾運輸服務； 231 :路線； 232 :運行頻率； 3 :數位地圖； 311 :鐵路車站圖像； 312 :鐵路服務路線； 〇 321 :地下鐵車站圖像； 322 :地下鐵服務路線； 331 :巴士停靠站圖像； 332 :巴士停靠站圖像； 333 :巴士停靠站圖像； 334 :巴士服務路線； ❹ 4 :數位地圖； 411 :鐵路服務車站圖像； 412 :鐵路服務路線； 421 :地下鐵服務車站圖像； 422 :地下鐵服務路線； 431 :巴士服務停靠站圖像； 432 :巴士服務停靠站圖像； 15 201038923 4 3 3 :巴士服務停靠站圖像； 434 :巴士服務路線；以及 51〜53 :步驟流程。 16201038923 VI. Description of the invention: [Technical field to which the invention pertains] The present invention relates to a navigation device and a guide, in particular to a device capable of operating according to a mass transit service and by different display features on a digital map A navigation device and a navigation method for displaying a route with a large = rate. A Service [Prior Art] With the increasing popularity of the Global Positioning System (GPS), consumers like to carry navigation devices to get their currents immediately;: Lu: Location map information, or use navigation functions. When a user is traveling, he or she sometimes wants to be able to obtain the frequency of the mass transit service in which he is located, so as to select a mass transit service. However, conventional navigation devices can only show the location of the mass transit service nearby, and provide a timetable when the user selects a mass transit service. x, -金见参',, Fig. 1 'This is a display of the navigation device of the prior art - face diagram, a navigation device displays a digital map 1, and a map of the railway station on the number f map 1 Bu - Subway station image 12 Two buses stop at _ like (13 Bu 132 and 133). When the user selects your image, such as image 131, the navigation device displays the timetable μ of the bus stop corresponding to the two 131. However, it is not convenient for the user to view the large docking station (4). 201038923 - In view of the shortcomings of the prior art, the inventors of the present invention have developed a navigation device based on years of experience in the relevant industry to overcome the above-mentioned prior art shortcomings. SUMMARY OF THE INVENTION In view of the above problems of the prior art, it is an object of the present invention to provide a navigation device and a navigation method capable of generating different display characteristics according to the operating frequency of the mass transit service to display the route of the public transportation service. 'This increases the benefits of the navigation device. According to the purpose of the present invention, the navigation device of the present invention comprises a navigation module and a map database. The map database is used to store at least one digital map, at least one frequency of operation of the mass transit service, and a route that constitutes mass transit services. The navigation module is used to provide a navigation function and display a digital map and display the routes that constitute the mass transit service on a digital map. This route is displayed based on the display characteristics of the route corresponding to the operating frequency of the mass transit service. Thereby, a point, a transit point or an end point can be directly selected on the route for performing the navigation function. Among them, the mass transit service further includes a bus service, a subway service, a railway service or a high-speed railway service. Wherein, the display feature further includes a color of the route, an image of the route, or a transparency level of the route. Among them, the operating frequency of the mass transit service is further classified into the complex 5 201038923 frequency class of the mass transit service. The operating frequency of the 'mass transportation service is in several levels, and there is no return, Fan> The route of different image shapes is used to represent the mass of the mass transporter. Among them, the mass transit service runs several levels, and there are different operations. The m-class is a multi-transportation service with different transparency levels. Among them, the frequency of the mass transit service is entered into the mass transit with different operating frequency levels:; the order is represented by the route of different words. The service frequency of the mass transit service further indicates the number of departures of the transport service within a period of time. And another object of the present invention is to provide a navigation method for displaying at least one mass transit service method on a digital map comprising the following steps: a bottle is provided by at least one digital map, at least one mass transit The running frequency of the service and a route constituting the mass transit service; (11) displaying the digital map in a navigation module, and displaying the route on the digital map according to the display feature corresponding to the running frequency of the transport service; 201038923 - · (111) directly select a point, a transit point or an end point on the route and use the navigation module to perform navigation functions. Among them, the mass transit service further includes a bus service, a subway service, a railway service or - High-speed railway service. The display feature further includes the color of the route, the image of the route or the transparency level of the route. The method further comprises a step of classifying the operating frequency of the mass transit service into a plurality of levels, wherein Mass transit services with different transport = frequency grades are routed by different colors In this case, the method further comprises a step of classifying the operating frequency of the mass transit service into a plurality of levels, wherein the mass transit service with different transport rate levels is attacked by a (four) shape-shaped route 7K 〇 " The method further includes a step of classifying the operating frequency of the mass transit service into a plurality of levels, wherein the mass transit service having different transport rates is represented by a route of different transparency levels. The method includes the step-by-step, which classifies the frequency of the mass transit-transportation into a plurality of levels, wherein the mass transit service with different operating frequency levels is represented by different text routes. 7 201038923 The number of departures of the operation service of the mass transit service within a certain period of time. ', the table is not mass transported. [Embodiment] Referring now to Figure 2, this is a navigational example block diagram of the present invention. : Map database 22. Map data, 22 can be used to store to 221, at least one mass transit service Μ operating frequency 232 ^ Route 231 of the Mass Transit Service 23, wherein the service 23 may include a bus service, a mass transit service, a subway service, a railway service, or a speed rail service, and the operation frequency of the A transportation service 23 is 232. Further, the public transportation service 23 can be represented by a certain number of departures. The navigation module 21 can include a GPS module 211, a memory 212, a processor 213, an LCD monitor 214, and an input module. The group 215° GPS module 211 can receive the gps = number from the GPS satellite, analyze the received GPS signal to determine the current position f, and transmit the information to the processor 213. The processor 213 according to the target position coordinate information 'From a map database 22, a digital map 221 of the local neighborhood is obtained. Processor 213 then drives LCD monitor 214 to display the location of navigation device 2 on the digital map. After the user inputs the destination to be accessed through the input module 215, the processor 213 will calculate an appropriate route to the destination and drive 201038923. The LCD monitor 214 displays the route and navigation information to The user navigates to the destination. In the process of calculating the appropriate route, the mass transit service can be regarded as an appropriate road-partial part, and the navigation route can be read for pedestrians to facilitate the use of mass transit services by pedestrians. The memory 212 is used to store programs executed by the processor. Therefore, the navigation module 21 can provide a navigation function, wherein the navigation sensor 2 can be a global positioning device, a portable communication device or a personal digital assistant. When the processor 213 drives the LCD monitor 214 to display the digital map, the processor 213 can further drive the LCD monitor 214 to display the route constituting the mass transit service on the digital map, wherein the route of the mass transit service can be based on the display characteristics of the route. To display, and this display feature can correspond to the frequency of operation of the mass transit service. Display features can include the color of the route, the image of the route, the transparency level of the route, or the textual description of the route. Among them, the frequency of operation of mass transit services can be classified into a plurality of levels, and the routes of mass transit services of different operating frequency levels can be represented by images of different colors, different shapes, or different levels of transparency. Among them, the route of mass transit service with higher operating frequency can be emphasized with brighter and more obvious colors, such as white, red or yellow, while the route of mass transit service with lower operating frequency can be darker and Less obvious color display, like blue, green or black. The image of the route of the mass transit service with a higher operating frequency may be a wider line or a solid line, while the image of the route of the mass transit service with a lower operating frequency may be a narrower line. 9 201038923 or a dotted line. The transparency level of a female tooth with a higher running frequency can be lower than that of a service with a second: service. The weight of the mass transit transport, the frequency of the mass transit service, depending on the operating frequency of the acupoint transport service, with different color images, different shapes of M - images, different transparency, etc. The display of the mass transit service on the sub-bit map allows you to directly select a point, a transit point or an end point on the digital map 1 to perform the navigation function. In more detail, ', use::: select a line on the road f. For example, if there is a frequent station or train station, as the starting point of its travel, the reference is referred to as the third ®, which is the navigation device of the present invention. Schematic diagram of a specific embodiment of the display screen 'Navigation device displays a digital map 3, and a railway station image 3u, a railway service route 312, a subway station image 32, a subway service route 辺, three Bus stop images (331, 332 and 333) and bus service route 334. In the specific embodiment, mass transit services having different operating frequencies are represented by routes and images of different colors to assist the user in conveniently identifying the frequency of operation of the mass transit service. Since the subway service operates at a higher frequency than the railway service and the frequency of departures at the subway station is higher than that of the railway station, the color of the subway station image 201038923 · '321 and the subway service route 322 can be brighter or more obvious. The color of the table and the color of the railway station image 311 and the railway service route _312 can be expressed, for example, in a darker or less noticeable color. In this embodiment, the operation frequency of the subway station is about every hour, the bus station operates at about six buses per hour, and the railway station operates at about two trains per hour. Therefore, in the third In the figure, the color of the railway station image 311 and the railway service route 312 will be darker than the three bus stop images (331, 332 and Μ" and the bus service route 334, and the latter will be more dense than the subway. The color of the station image 321 and the subway service route 322 is dark. For example, the station image 311 of the railway service and the railway service route 312 can be black, three bus stop images (331, and 333) and The bus service route 334 may be blue in color, while the subway station image 321 and the subway service route 322 may be white in color. It is worth noting that the display feature may further include a railway rut station. The route between the mass transit stop/subway and the destination (not shown in the figure) is coloured to clearly show the navigation path from 'not limited to images or transparency Therefore, the 'navigation device allows the user to assess the frequency of mass transit services along or near its route and make the best choice according to the user's requirements, without the need for the user's complexity - choose each bus / tram route Or a timetable. Referring now to Figure 4, there is shown a schematic diagram of another embodiment of the navigation device of the present invention. The navigation device can display the digital map 4 and display the station image of the railway service on the digital map. 々Η and route 412, station image 421 and route 422 for subway service, and two docking station images (431, 432, and 433) and route 434 for bus service. In this embodiment, there are different operating frequencies. The mass transit service can be represented by station images and routes of different image shapes to assist the user in conveniently identifying the operating frequency of the mass transit service. The subway service operates at the highest frequency, so the shape of the station image 421 is The circle is round and the route 422 is a wider line segment. The three bus stop images (431, 432 and 433) of the bus service are in the shape of an octagon. The route 434 is a solid line. The running frequency of the railway station is the lowest level, so the shape of the station image 411 is a quadrangle and the line 412 is a broken line. Referring now to FIG. 5, this is a flowchart of the navigation method of the present invention. The navigation method can be used to display at least one public transport on a digital map, the service comprising the following steps, at step 51, by the map: library = for at least one digit map, at least one public transport service operating frequency and The route that constitutes the mass transit service. Among them, the mass transit service includes: a bus service, a subway service, a railway service or a high-speed railway service. The frequency of the mass transit service can indicate the mass transit service in a period of time. The number of departures within. At step 52, a digital map is displayed in a navigation module, and a route constituting the mass transit service is displayed on the digital map according to a display feature, and the display feature may correspond to the mass transit service. 12 201038923 Ί Γ Γ Γ map It can be seen that the mass transit clothing can be classified into a plurality of: level: and the operating frequency level of the shipping service is... the two-image shape or the different transparency-standard route. For example, an image with a higher level of service may be brighter, such as red or yellow, and the image color of a large fruit transport service may be darker than blue or green. ❹ , at step 53, select n points, one turn = or - the end point directly on the route and perform the navigation function accordingly. In more detail, User I selects a target on the route, such as a vehicle with a more frequent departure, or a train station, as the starting point, transit point, or destination of the trip. The above is intended to be illustrative only and not limiting. Any equivalent modifications or changes may be made without departing from the spirit and scope of the invention, and are included in the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic diagram of a navigation device of a prior art; FIG. 2 is a block diagram of a specific embodiment of a navigation device of the present invention; FIG. 3 is a navigation device of the present invention. A schematic diagram of a specific embodiment of a display screen; 13 201038923 FIG. 4 is a schematic diagram of another embodiment of a navigation device of the present invention; and FIG. 5 is a flowchart of a navigation method of the present invention. [Main component symbol description] 1 : digital map; 11 : railway station image; 12 : subway station image; 131 : bus stop image; 132 : bus stop image; 133 : bus stop image; 14: timetable; 2: navigation device; 21: navigation module; 211: GPS module; 212: memory; 213: processor; 214: LCD monitor; 215: input module; 22: map database; 14 201038923 - 221: Digital Map; 23: Mass Transportation Service; 231: Route; 232: Operating Frequency; 3: Digital Map; 311: Railway Station Image; 312: Railway Service Route; 〇321: Subway Station Image; 322: Subway service route; 331: bus stop image; 332: bus stop image; 333: bus stop image; 334: bus service route; ❹ 4: digital map; 411: railway service station image 412: Railway service route; 421: Image of the subway service station; 422: Subway service route; 431: Bus service stop image; 432: Bus service stop image; 15 201038923 4 3 3: Bus service stop Station image; 434 : Bus service route; and 51~53: Step process. 16