TWI274303B - Car navigation system and application method thereof - Google Patents

Car navigation system and application method thereof Download PDF

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Publication number
TWI274303B
TWI274303B TW94131219A TW94131219A TWI274303B TW I274303 B TWI274303 B TW I274303B TW 94131219 A TW94131219 A TW 94131219A TW 94131219 A TW94131219 A TW 94131219A TW I274303 B TWI274303 B TW I274303B
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Taiwan
Prior art keywords
path
map
hand
navigation
electronic map
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TW94131219A
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Chinese (zh)
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TW200710769A (en
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Yu-Sheng Chen
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Inventec Appliances Corp
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Publication of TW200710769A publication Critical patent/TW200710769A/en

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Abstract

The present invention discloses a car navigation system, allowing editing of personal car navigation route by drawing, and an application method thereof. The user needs first to open the electronic map of the car navigation system and select the hand-drawing mode before drawing a personal route directly on the electronic map. Then, the personal route is stored in a memory of the car navigation system.

Description

1274303 八、發明說明: 【發明所屬之技術領域】 曰本發明係’―種車科絲置及其使財法,特別 =種利用晝圖方式編輯個人化車用導航路線之車用導航 i置及其使用方法。 【先前技術】1274303 VIII. Description of the invention: [Technical field to which the invention pertains] 曰 The present invention is a vehicle navigation system that is used to edit a personalized navigation route for a vehicle. And how to use it. [Prior Art]

c近年來’全球衛星定位系統(Global Position jstem ’簡稱GPS)逐漸地自軍事用途轉為民生用途,在 :業、航運及休_域都有廣泛應用。隨著科技進步,結 二GPS的無線通訊產品陸續問世,也開啟了 Gps應用市 的另一扇窗。 以目财市場需求之陸上導航產品中,近幾年來預估 成長最多麟是汽車導航、軌應職品及車隊追蹤管理 二類。將GPS織顧在車輛導航領域是目前商業上之趨c In recent years, the Global Positioning System (GPS) has gradually changed from military use to civilian use, and has been widely used in industry, shipping and leisure. With the advancement of technology, the wireless wireless communication products of the second GPS have come out one after another, and another window of the Gps application market has been opened. Among the land navigation products that are in demand for the market, in recent years, the most growth is estimated to be the second category of car navigation, track service and fleet tracking management. GPS weaving in the field of vehicle navigation is the current commercial trend

了多考圖’圖一係為常見之車用導航裝置1示意 圖,係直接安裝- GPS模組於汽車上,配合一電子地圖及 :巧顯示操作面板’達車上_之目的。圖一中之車用 導航^置1包含- GPS模組1卜一抽取式記憶卡(例如SDThe multi-test map is a schematic diagram of a common car navigation device 1 that is directly mounted - the GPS module is mounted on the car, with an electronic map and the purpose of displaying the operation panel 'on the car'. Figure 1 in the car navigation ^ set 1 contains - GPS module 1 a removable memory card (such as SD

Card) 12、及—操作及顯示面板13。其中,GPS模組11 =s 了 GPS接收天線⑴;及―接收信號處理器112。此 ^航模式巾所伽的電子地圖,_存在-SD記憶卡中, 為=經緯度座標構成的向量地圖(赠Qrmap),使用者可 =猎由取出雜取式記針12瞒麵行電子地圖之更 斤gps接收天線丨丨丨所接收之衛星訊號經過接收信號處 5Card) 12, and - operation and display panel 13. Among them, the GPS module 11 = s the GPS receiving antenna (1); and the "received signal processor 112. The electronic map of the navigation mode towel, _ exist-SD memory card, is a vector map composed of = latitude and longitude coordinates (giving Qrmap), the user can = hunting by taking out the miscellaneous type of pin 12 The more the gps receive antenna, the satellite signal received by the received signal is received.

1274303 理為112處理後係為一經緯度資料,此時接收信號處理器 112會载出儲存於SD記憶卡12中之電子地圖,並將所接° 收'經緯度資料疊放在以、_度座標所構成之地圖上,並 顯不於顯示面板13中,以供駕駛者參考完成導航之功能。 ^前市售的車用導航裝置所提供的導航模式只有兩 種’最佳行程以及最短行程。也就是說,Gps模組配合上 ,子地圖提供使用者一最佳化建議導航路線。然而,台灣 是-個街道紊亂,巷弄非常多的區域,電子地圖只能提供 大^向的導航’而無法完善的在局娜域巾提供詳細的巷 弄導航功能,而使得車用導航裝置設置的美意在行車時因 功能無法徹底實行而大打折扣。 在行車過転中’會因為經驗的累積而使得對一個地區 的路況越來越熟悉’或是觸縣迷路而發現更加方便的 路徑。這些情況的發生會使得行車的速度大增,但現有之 導航裝置卻無法紀職人化之行車雜,若自己無 法清晰記輸崎之路徑,只好健導航之雜前進,^ 也是目前車用導航裝置缺點之一。 錢如何在*提高成本的前提下,針對汽車自動導 航領軸展一車交人性化導航模式,亦即提供駕駛者-人性 導航編輯及紀錄介面,亦為相關業者亟待發展之 亶妥.題0 【發明内容】 本發明之轉目的’鱗望触—料 及豆 ^方法’_崎《術蝴紅化之L地 圖0 6 1274303 本發明所揭露之車用導介;壯么a 元、一 GPS模組、_記_ =置=接一中央處理單 GPS模組錢接於中央顯示面板。其中 ==,接於中央處理單元,儲存有-電 千地圖及一手繪辨讀程式。 供使過知作及顯示面板啟動手繪辨讀程式以提 ^路〆、);_上直接以手♦方式編輯-個人化之行 篇蠢筆個人化行車路徑於_^ 別於電子地圖制式化之導航模式。 ^ ° ^ ^ f 广^用V航裝置之電子地圖並選取手綠模式,接著直 接於4電子地圖上緣製編輯一個人化路徑,最後儲存該筆 個人化路徑於本發明之翻導航裝置之—記憶體中。 、’VT、上所述’本發明所揭露之車用導航裝置,係透過一 手々輸入行車路徑之模式,提供使用者儲存個人化之行車 路徑’而不需要在每個路段都依據電子地圖提供之既定導 =莫式死板❸進行導航。對於不熟的路段區域,更可事先 ,熟識路段的人將便捷之路段繪製並儲存起來,以作為日 後可载出之導航路徑。透過此一人性化手緣模式使得本發 明之車用導航裝置更崎不職用者n 【實施方式】 本發明係揭露一車用導航裝置及其使用方法。本發明 之車用導航裝置係可使用手繪晝圖方式編制個人化之導航 路控。為了使本發明之敘述更加詳盡與完備,請參考下列 7 1274303 描述並配合以下之圖式。 圖二係為本發明_露之車導& 結構示意圖。圖二中之車用導贿==1=声貫= 元21、一 GPS模組22、一記悴體外秸中央處理早 以、及-獅25。其中G;^ 理單元2卜包括-GPS天線221 收^於中央處 記憶體23連接於中央處理單元21,理謂。 如。電子地圖231係為一由經緯度子地圖 同rDCn 人 年又厓‘所構成的向量地 圖/PS接收天線221所接收的衛星訊號經過接收信_ 理态222處理後係為一經緯度資料,可 工儿处 中之資料相容並進行重疊比對並顯_ 電子地圖231 1上以賴魏。_23&=^ 聽出以進行電子地圖及以其他手魏入 人化行車路徑資料内容之更新。^® 士、了 _及操作面板24連接於中央處理單元2ι,為一同 日福盍輸出與輸入介面之觸控顯示面板,其材質係不太 =月中力二限制’目前坊間之壓力感測面板、電磁式觸控 反、電容式觸控面板、電阻式觸控面板,皆可是本發明 車用$航4置中之操作及I貞示面板所使用之面板種類。 另外’本發明之車用導航裝置之動力源係可為—般12伏特 之車用電池。、 、手緣模組25連接於中央處理單元,包含一手繪辨讀程 式251及一手繪確認單元252。使用者可透過操作及 面板24啟動手綠辨讀程式251以提供使用者於電子地圖上 直揍以手繪方式編輯一個人化之行車路徑。緣製完成後手 8 1274303 繪確認單元252會提供進一步之確認,若確認無誤,使用 者可儲存該筆個人化行車路徑於記憶體23中以提供有別 於電子地圖制式化之導航模式。, 透過本發明之車用導航裝置,使用者亦可在行車期間 於既有的導航電子地圖上直接進行手繪辨讀程式的執行, 以改良電子地圖上之部分行車路徑得到最佳化之行車導航 路徑。1274303 is processed as 112 latitude and longitude data, at this time, the receiving signal processor 112 will carry out the electronic map stored in the SD memory card 12, and stack the received latitude and longitude data in the _ degree coordinate The formed map is not displayed in the display panel 13 for the driver to refer to the function of completing the navigation. ^The navigation mode provided by the pre-marketed car navigation device has only two kinds of 'optimal strokes and the shortest strokes. That is to say, the Gps module cooperates with the sub-map to provide the user with an optimized navigation route. However, Taiwan is a street disorder, a lot of lanes, the electronic map can only provide a large navigation, and can not be perfect to provide detailed navigation in the local area, so that the car navigation device The beauty of the setting was greatly reduced when driving because the function could not be fully implemented. In the past, you will become more and more familiar with the road conditions in an area because of the accumulation of experience, or find a more convenient path by touching the county. The occurrence of these situations will greatly increase the speed of driving, but the existing navigation devices can not be used for discretionary traffic. If you can't clearly remember the path of the exchange, you have to navigate the navigation, ^ is also the current car navigation device. One of the disadvantages. How to make money on the premise of increasing the cost of the car, and to provide a human-oriented navigation and recording interface for the auto-navigation pilot of the car, which is also a driver-human navigation editing and recording interface. SUMMARY OF THE INVENTION The present invention is directed to the 'scale and touch materials and beans ^ method' _ saki "surgery butterfly red map L 0 0 1274303 The vehicle guide disclosed in the present invention; Zhuang a yuan, a GPS module Group, _ remember _ = set = one central processing single GPS module money connected to the central display panel. Where ==, connected to the central processing unit, stored with a thousand maps and a hand-drawn reading program. For the purpose of making the knowledge and display panel to start the hand-painted reading program to improve the road,); _ directly on the hand ♦ way to edit - personalization of the stupid pen personalized driving path in _ ^ different from the electronic map standardization Navigation mode. ^ ° ^ ^ f Widely use the electronic map of the V-aviation device and select the hand green mode, then edit a humanized path directly on the 4 electronic map upper edge, and finally store the personalized path in the navigation device of the present invention - In memory. The 'VT, the above-mentioned vehicle navigation device disclosed in the present invention provides a user to store a personalized driving route through a mode of inputting a driving path by one hand, without providing an electronic map for each road segment. The established guide = Mo-style rigid board for navigation. For the unfamiliar road sections, people who are familiar with the road sections can draw and store the convenient road sections as a navigation path that can be carried out in the future. The vehicle navigation device of the present invention is more difficult to use by the user-friendly hand mode. [Embodiment] The present invention discloses a vehicle navigation device and a method of using the same. The navigation device for a vehicle of the present invention can use a hand-drawn map to create a personalized navigation path. In order to make the description of the present invention more detailed and complete, please refer to the following 7 1274303 description and cooperate with the following drawings. Figure 2 is a schematic view of the structure of the invention. In Figure 2, the car uses bribes ==1 = sound pass = yuan 21, a GPS module 22, a record of the external straw central processing early, and - lion 25. Wherein G; ^ unit 2 includes - GPS antenna 221 is received at the center. Memory 23 is connected to central processing unit 21, which is said to be. Such as. The electronic map 231 is a latitude and longitude data processed by the vector map/PS receiving antenna 221 formed by the latitude and longitude sub-map and the rDCn human year and the cliff', and is processed as a latitude and longitude data. The data in the department is compatible and overlapped and displayed _ on the electronic map 231 1 on Lai Wei. _23&=^ I heard the update of the contents of the electronic map and the other people's personalized driving route data. ^® 士, _ and the operation panel 24 are connected to the central processing unit 2 ι, which is a touch display panel with the same day output and input interface. The material is not too = the mid-term force limit 2. The current pressure sensing The panel, the electromagnetic touch reverse, the capacitive touch panel, and the resistive touch panel are all types of panels used in the operation of the vehicle and the panel of the present invention. Further, the power source of the navigation device for a vehicle of the present invention may be a battery of 12 volts. The hand edge module 25 is connected to the central processing unit and includes a hand-drawn reading mode 251 and a hand-drawn confirmation unit 252. The user can activate the hand green reading program 251 through the operation and panel 24 to provide the user to manually edit a personalized driving path on the electronic map. After the completion of the edge 8 1274303, the confirmation unit 252 will provide further confirmation. If the confirmation is correct, the user can store the personalized driving path in the memory 23 to provide a navigation mode different from the electronic map standardization. According to the navigation device for a vehicle of the present invention, the user can directly perform the execution of the hand-drawn reading program on the existing navigation electronic map during driving to improve the navigation route for optimizing the driving route on the electronic map. path.

請參考阖三,圖三係為使用本發明所揭露之車用導航 裝置進行手繪輸入行車路徑步驟流程圖。包括: 步驟31 (S31),首先開啟車用導航裝置一特定區域之 電子地圖。此時的電子地圖之縮放比例是由使用者決定 的,使用者可將起點及終點圈定後,放大該局部區域以便 進行手繪路徑之操作。 乂心32 (S32) ’點選進入電子地圖中之手綠模式。Please refer to FIG. 3, which is a flow chart of steps for performing a hand-drawn input driving route using the vehicle navigation device disclosed in the present invention. The method includes the following steps: Step 31 (S31), first opening an electronic map of a specific area of the car navigation device. The zoom ratio of the electronic map at this time is determined by the user, and the user can circle the start point and the end point, and enlarge the local area to perform the operation of the hand-drawn path.乂心32 (S32) ‘Click to enter the hand green mode in the electronic map.

聲明之手!會模式可於一新的電子地圖中進行,也可再以出 示導航邊控的電子地圖中直接進行修改。 ,子(S33)’以輸入裝置(例如-手寫筆)直接於 行車路徑,並可在路徑途中的路口或是路 W上-些可供行車時提示的店家或是路標。 及^,德),至此個人化路徑繪製完成,此時操作 行會出現繪製完成之個人化路徑,使用者可進 綠製。V _認所_之雜,若有錯誤,則可選擇重新 肩35 (S35),若無誤’使用者可以選擇只就這次導 1274303 接進行導航,或是將其儲存在記憶體中 以便下再仃㈣樣路段萌載出麵導航。 請參考圖μ〜β,係為透過本發明之車用 接於-電子地圖上進行手寫筆輸場圖之示意圖。、 地行^ 局部區域之電子地圖,當駕驶者欲由Α 二 i可發現電子地圖中顯示了許多條錯綜複雜 峻^ 士ϋ胤線不意提供了一較佳導航路徑示意圖(虛 線ΑΒ,如圖中所示)。 今日若駕駛者知獅Α地至Β地之相異於上述導航路 徑,較便捷路徑,則可直接以一手寫輸入裝置(例如-手 緣筆)一緣出如圖四Β所示之個人化路徑(實線αβ),並可 在路控的路口上標示一些店家或是路標(例如途中的抑 便利商店、派it}所等),繪製完成後選擇存獅可保留此一 個人化行車路徑。 綜上所述,本發明所揭露之車用導航裝置,係透過一 手繪輸又行車路徑之模式,提供使用者儲存個人化之行車 路徑’而不需要再每個路段都依據電子地圖提供之既定導 航模式死板的進行導航。對於不熟的路段區域,更可事先 請熟識路段的人將便捷之路段繪製並儲存起來,以作為日 後可載出之導航路徑。透過此一人性化手綠模式使得本發 明之車用導裝置更貼近不同使用者之需求。 本發明雖以較佳實例闈明如上,然其並非用以限定本 發明精神與發明實體僅止於上述實施例爾。是以,在不脫 離本發明之精神與範圍内所作之修改,均應包含在下述申 ^74303The hand of the statement! The mode can be carried out in a new electronic map, or directly in the electronic map showing the navigation side control. The sub-(S33)' is directly connected to the driving path by an input device (for example, a stylus pen), and can be at the intersection or the road W in the middle of the route - some stores or road signs that are available for driving. And ^, Germany), so far the personalization path is completed, at this time the operation line will appear the personalized path of drawing, the user can enter the green system. V _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _仃 (4) sample roads sprouted out of the navigation. Please refer to the figures μ~β, which is a schematic diagram of a stylus transmission field diagram on the electronic map of the vehicle of the present invention. , the local map ^ local area of the electronic map, when the driver wants to display a number of intricate and complex lines in the electronic map of the two i can be found in the electronic map does not intend to provide a better navigation path schematic (dotted line, as shown Shown). Today, if the driver knows that the lion is different from the above navigation path, the convenient path can be directly represented by a handwriting input device (for example, a hand-finger pen). Path (solid line αβ), and can indicate some stores or road signs on the road junction (such as the convenience store on the way, send it}, etc.), after the drawing is completed, choose to save the lion to keep this one-person driving path. In summary, the navigation device for a vehicle disclosed in the present invention provides a user to store a personalized driving route through a hand-painted and driving route mode, without requiring each road segment to be provided according to an electronic map. Navigation mode is rigid for navigation. For the unfamiliar road section, you can also familiarize yourself with the road section and draw and store the convenient road section as a navigation path that can be carried out in the future. Through this humanized hand green mode, the vehicle guide of the present invention is closer to the needs of different users. The present invention has been described above by way of a preferred embodiment, and is not intended to limit the spirit of the invention and the inventive embodiments. Therefore, modifications made without departing from the spirit and scope of the invention should be included in the following application.

明專利範圍内。 f圖式簡單說明J 、、,田以下詳細之插述結合所附圖式 柄容及此項發明之諸多優點,其中 圖—係知相導麟置之結射_。 ^意Γ本㈣所縣之車科《置—難實施姻 露之車暇航妓進行手繪輸入 圖三儀為使用本發明所揭 行車路徑步驟流程圖。 導繼直接於-電子地 【主要元件符號說明】 1車用導航裝置 II GPS模組 12記憶卡 13操作及顯示面板 III GPS接收天線 112接受信號處理器 2車用導航裝置 21中央處理單元 22 GPS模組 23記憶體 24 —操作及顯示面板 25手繪模組 221 GPS天線 222接收信號處理器 1274303 231電子地圖 251手繪辨讀程式 252手繪確認單元Within the scope of the patent. The following is a detailed description of J, ,, and the following detailed description of the combination of the handle and the advantages of the invention, wherein the figure is the junction of the guide. ^Italian (4) The car department of the county is set up. It is difficult to implement the car 暇 妓 妓 妓 妓 妓 妓 妓 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图 图Directly to - electronically [main component symbol description] 1 car navigation device II GPS module 12 memory card 13 operation and display panel III GPS receiving antenna 112 receiving signal processor 2 car navigation device 21 central processing unit 22 GPS Module 23 memory 24 - operation and display panel 25 hand-painted module 221 GPS antenna 222 receiving signal processor 1274403 231 electronic map 251 hand-painted reading program 252 hand-painted confirmation unit

Claims (1)

1274303 九、申請專利範圍: 1·種利用晝圖方式編輯車用導航路線之方法,包括: 開啟一車用導航裝置之電子地圖;· 於該電子地圖之選單中點選手繪模式; 於该電子地圖上緣製編輯一個人化路徑; 確認該個人化路徑;1274303 IX. Patent application scope: 1. A method for editing a vehicle navigation route by means of a map, including: opening an electronic map of a vehicle navigation device; · selecting a hand-drawn mode in the electronic map menu; Editing a humanized path on the map; confirm the personalized path; 儲存該筆個人化路徑於該車用導航裝置之一記憶體中。 2·,申請專利範圍第!項所述之方法,該個人化路徑之編 輯係可透過以手指於該電子地圖之路徑上直接綠製。 • t中請專利範圍第i項所述之方法,該個人化路徑之編 ^可透過以-輸人裝置於該電子_之路徑上直接綠 1 輸入筆。 5. = 利範圍第1項所述之方法,其中該使用者亦可 子顧上直接進行手緣改良 地圖上之料行車路徑以得到最佳化之行車導航 6. —種車用導航裝置,包括: 一中央處理單元; 一 GPS模組,連接於該中央處理單元· 央處理單元,、儲存有—電子地 '輸 板’連接於該中央處理單元’提供· 操作及顯示面板啟動該手翁 行車路徑,並儲存該個人化行車=於:亥 疏體㈣提财職電· _式化之導航模式。“ 13 1274303 7. 如申請專利範圍第6項所述之 模組更包含一 GPS天線及一拉^航裝置,其中該GPS 8. 冬申請專利範圍第6項所述之車器。一 憶體係為一拙取式記憶卡,取’:几衣置,其中該記 料之更新。出以進行該電子地圖資 9. 如申請專利細第6項所述之 模組所接收之定位資料可轉破置,射該GPS 圖相比對以顯示於該摔作度貧料後與該電子地 10. 如申請專利範圍第面用板導 =導^ 係可為-般12伏特之車用電池早用&航衣置’其動力源 η·用士者6項所述之車用導航裝置,其中該使 手_讀程S的 徑得到最佳化之行車導航路= 之Μ行車路 14 1274303 七、指定代表圖·· (一) 本案指定代表圖為:第(二)圖 (二) 本代表圖之元件符號簡單說明: 2車用導航裝置 21中央處理單元 22 GPS模組 23記憶體 24 —操作及顯示面板 25手緣模組 221 GPS天線 222接收信號處理器 231電子地圖 251手繪辨讀程式 252手綠確認單元The personalization path is stored in one of the memory devices of the vehicle navigation device. 2,, the scope of application for patents! The method described in the item, the editing of the personalized path is directly green through the path of the finger on the electronic map. • In the method described in item i of the patent scope, the edit of the personalization path can be directly entered into the pen by the input device on the path of the electronic_1. 5. The method of claim 1, wherein the user can also directly perform the driving route on the hand edge improvement map to obtain an optimized navigation route. The utility model comprises: a central processing unit; a GPS module connected to the central processing unit and the central processing unit, and an electronic-transporting board connected to the central processing unit to provide an operation and a display panel to activate the hand Driving route, and store the personalized driving = Yu: Hai Shi body (four) Fortunes service electricity _ _ style navigation mode. " 13 1274303 7. The module according to claim 6 of the patent application scope further comprises a GPS antenna and a navigation device, wherein the GPS 8. Winter application patent scope described in item 6 of the vehicle. For a capture memory card, take ': a few clothes, where the record is updated. Out of the electronic map resources. 9. The positioning data received by the module described in the patent application item 6 can be transferred. Breaking, shooting the GPS map compared to the display of the fall of the material and the electronic ground 10. If the application of the patent range of the first board guide = guide system can be - 12 volts of the car battery early Use & aircraft to set the 'vehicle navigation device' of the power source η·users, which optimizes the path of the hand_reading S, the navigation route = the road 14 14274303 VII. Designation of Representative Representatives (1) The representative representative of the case is: (2) Figure (2) Brief description of the component symbols of the representative figure: 2 Car navigation device 21 Central processing unit 22 GPS module 23 Memory 24 - Operation and display panel 25 hand edge module 221 GPS antenna 222 receiving signal processor 231 Sub-251 hand-drawn map reading program identified 252 green hand confirmation unit
TW94131219A 2005-09-09 2005-09-09 Car navigation system and application method thereof TWI274303B (en)

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US8209119B2 (en) 2009-04-23 2012-06-26 Htc Corporation Route reporting method, system and recording medium using the same
CN102645226A (en) * 2011-02-18 2012-08-22 怡利电子工业股份有限公司 More accurate navigation method
CN103791912A (en) * 2012-10-30 2014-05-14 大陆汽车投资(上海)有限公司 Navigation path planning device supporting hand-painted path
US8976082B2 (en) 2008-07-24 2015-03-10 Htc Corporation Method and system for synchronizing mark on electronic map and recording medium using the same

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TWI425193B (en) * 2010-09-16 2014-02-01 Mstar Semiconductor Inc Method and electronic device for fetching geographic information

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8976082B2 (en) 2008-07-24 2015-03-10 Htc Corporation Method and system for synchronizing mark on electronic map and recording medium using the same
US8209119B2 (en) 2009-04-23 2012-06-26 Htc Corporation Route reporting method, system and recording medium using the same
CN102645226A (en) * 2011-02-18 2012-08-22 怡利电子工业股份有限公司 More accurate navigation method
CN103791912A (en) * 2012-10-30 2014-05-14 大陆汽车投资(上海)有限公司 Navigation path planning device supporting hand-painted path

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