JPH0652493A - Route guidance device for vehicle - Google Patents
Route guidance device for vehicleInfo
- Publication number
- JPH0652493A JPH0652493A JP20472992A JP20472992A JPH0652493A JP H0652493 A JPH0652493 A JP H0652493A JP 20472992 A JP20472992 A JP 20472992A JP 20472992 A JP20472992 A JP 20472992A JP H0652493 A JPH0652493 A JP H0652493A
- Authority
- JP
- Japan
- Prior art keywords
- road
- intersection
- route guidance
- route
- width
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/3655—Timing of guidance instructions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3626—Details of the output of route guidance instructions
- G01C21/3629—Guidance using speech or audio output, e.g. text-to-speech
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- General Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Health & Medical Sciences (AREA)
- Instructional Devices (AREA)
- Navigation (AREA)
- Traffic Control Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、音声で経路誘導を行う
車両用経路誘導装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle route guidance device for performing route guidance by voice.
【０００２】[0002]
【従来の技術】運転者の負担の軽減をするための各種の
装置が検討され、車両に搭載されるようになってきてい
るが、この中に目的地までの経路に沿って誘導を行う経
路誘導装置がある。そして、この経路誘導装置において
は交差点などの分岐点を通過する際に、選択すべき経路
を運転者に知らせる機能を有しており、現在実用に供さ
れているものとして車両のインストルメンツパネルにデ
ィスプレイによる画像表示装置を設けこれにより運転者
に経路を報知する経路誘導装置がある。2. Description of the Related Art Various devices for reducing a driver's burden have been studied and are now mounted on a vehicle. Among them, a route for guiding along a route to a destination. There is an induction device. In addition, this route guidance device has a function of informing the driver of the route to be selected when passing through a branch point such as an intersection, and is displayed on the instrument panel of the vehicle as being practically used at present. There is a route guidance device that provides an image display device with a display and notifies the driver of the route.
【０００３】また、このような画像表示による報知に加
えて、音声による経路報知を行う装置も知られている。
例えば特開昭６２−２６７９００号公報には経路を知ら
せるべき交差点の手前の所定位置（３０ｍ）に至った時
に音声による指示を行う装置が示されている。このよう
な音声による経路誘導によれば、運転者はディスプレイ
などを見る必要がなく、前方の監視に集中することがで
きる。Further, in addition to the notification by the image display as described above, there is also known a device for notifying the route by voice.
For example, Japanese Unexamined Patent Publication No. 62-267900 discloses a device which gives a voice instruction when reaching a predetermined position (30 m) in front of an intersection to notify a route. According to such route guidance by voice, the driver does not need to look at the display or the like, and can concentrate on the front monitoring.
【０００４】[0004]
【発明が解決しようとする課題】しかし、従来の経路誘
導装置によれば案内音声の発生地点が該当する交差点手
前の所定距離に固定され、しかも交差点からの距離はそ
の交差点の中心からの距離となっている。このため、交
差する道路の幅員が広い場合、交差点中心からの距離と
交差点入り口からの距離との差が大きくなる。運転者に
とって入り口までの距離が本来必要な情報であり、交差
点中心位置に基づき経路誘導が行われる場合、前述の道
幅による誤差から思っていた以上に早く交差点に接近し
てしまうことがある。すなわち、図４に示すように自車
両１から交差点中心２までの距離ＬC と交差点入り口３
までの距離ＬE は必ずしも一致せず、さらに図４の
（ａ）（ｂ）に示すように交差する道路の幅員によって
も距離ＬE が変化する。図４（ａ）は道幅が広い道路と
交差する場合で、（ｂ）は道幅の狭い道路と交差する場
合である。図に示されるように交差点中心位置までの距
離ＬC が等しい場合においても、図４の（ａ）の場合の
交差点入り口までの距離はＬE1であり、（ｂ）の場合の
距離ＬE2より短くなる（ＬE1＜ＬE2）。したがって、交
差する道路の幅員が広い場合、音声案内があってから交
差点入り口までの距離が実際には短くなってしまい、右
折もしくは左折する機会を逸してしまうという問題があ
った。However, according to the conventional route guidance device, the generation point of the guidance voice is fixed to a predetermined distance before the corresponding intersection, and the distance from the intersection is the distance from the center of the intersection. Has become. Therefore, when the width of the intersecting road is wide, the difference between the distance from the center of the intersection and the distance from the entrance of the intersection becomes large. The distance to the entrance is originally necessary information for the driver, and when the route guidance is performed based on the center position of the intersection, the driver may approach the intersection earlier than expected due to the error due to the road width. That is, as shown in FIG. 4, the distance L C from the vehicle 1 to the intersection center 2 and the intersection entrance 3
The distance L E does not always match, and the distance L E also changes depending on the width of the intersecting road as shown in FIGS. 4 (a) and 4 (b). FIG. 4A shows a case where the road crosses a wide road, and FIG. 4B shows a case where the road crosses a narrow road. As shown in the figure, even when the distance L C to the intersection center position is equal, the distance to the intersection entrance in the case of FIG. 4A is L E1 , and the distance L E2 in the case of FIG. It becomes shorter (L E1 <L E2 ). Therefore, when the width of the intersecting road is wide, the distance from the voice guidance to the entrance of the intersection is actually short, and there is a problem that the opportunity to turn right or left is missed.
【０００５】本発明は前述の問題点を解決するためにな
されたものであり、現在走行中の道路に交差する道路の
幅員に応じて音声による経路誘導を行う地点を変更する
ことのできる車両用経路誘導装置を提供することを目的
とする。The present invention has been made to solve the above-mentioned problems, and is for a vehicle capable of changing a point where voice route guidance is performed according to a width of a road intersecting a road currently being driven. An object is to provide a route guidance device.
【０００６】[0006]
【課題を解決するための手段】前述の目的を達成するた
めに、本発明にかかる車両用経路誘導装置は現在走行中
の道路と交差する道路の幅員を検出する道幅検出手段と
前記道幅検出手段によって検出された道幅が広いほど手
前の地点で経路案内を行う経路案内手段と、を有してい
る。In order to achieve the above-mentioned object, a vehicle route guiding apparatus according to the present invention is a road width detecting means for detecting the width of a road intersecting with a road which is currently traveling, and the road width detecting means. The route guide means for performing route guidance at a point closer to the front as the road width detected by the route becomes wider.
【０００７】[0007]
【作用】本発明は以上のような構成を有しており、現在
走行中の道路と交差する道路の幅員を検知することによ
り、案内音声を行う地点を変更する。すなわち、道幅の
広い道路と交差すると判断された場合は、交差点の入り
口までの距離が交差点中心までの距離より短くなるので
早めに案内を行う。The present invention has the above-described structure, and changes the point at which the guidance voice is issued by detecting the width of the road intersecting with the road currently running. That is, when it is determined that the road crosses a wide road, the distance to the entrance of the intersection is shorter than the distance to the center of the intersection, and therefore guidance is provided early.
【０００８】[0008]
【実施例】以下、本発明にかかる好適な実施例を図面に
したがって説明をする。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described below with reference to the drawings.
【０００９】図１には本装置の構成を示すブロック図が
示されている。道路、地名、建造物名、河川名、などの
情報を記憶する地図情報記憶部１０が設けられており、
この必要に応じて記憶されている地図情報を読み出すこ
とができるようになっている。また、現在の自車両の位
置を測定するための衛星航法システム（以下ＧＰＳと記
す）を利用したＧＰＳレシーバ１４と、地磁気に基づき
自車両の進行方位を検出する方位センサ１６と、車輪の
回転数により走行距離を検出する距離センサ１８が設け
られており、これらのセンサの検出結果に基づき現在位
置測定部１２は自車両の現在位置を確定する。FIG. 1 is a block diagram showing the configuration of this apparatus. A map information storage unit 10 for storing information such as roads, place names, building names, river names, etc. is provided,
The stored map information can be read out as needed. In addition, a GPS receiver 14 that uses a satellite navigation system (hereinafter referred to as GPS) for measuring the current position of the vehicle, a direction sensor 16 that detects the traveling direction of the vehicle based on the geomagnetism, and the number of rotations of the wheels. Is provided with a distance sensor 18, and the current position measuring unit 12 determines the current position of the vehicle based on the detection results of these sensors.
【００１０】目的地までの経路誘導を行う場合には、目
的地を入力部１９により後述する表示部の画面上で指示
したり、地名などにより入力し、現在位置測定部１２に
より算出された現在位置から目的地に至る経路を演算部
２０に含まれる経路算出部２２により算出し、この算出
された経路を経路記憶部２４に記憶する。In order to guide the route to the destination, the destination is indicated on the screen of the display unit described later by the input unit 19 or is input by the place name, and the current position calculated by the current position measuring unit 12 is calculated. The route from the position to the destination is calculated by the route calculation unit 22 included in the calculation unit 20, and the calculated route is stored in the route storage unit 24.
【００１１】目的地を入力し、経路を決定した後、実際
の経路誘導が行われる。前述の演算部２０に含まれる経
路案内制御部２６は自車両周辺の地図情報を地図情報記
憶部１０より読み出し、現在の自車両位置・進行方向と
経路記憶部２４に記憶された経路と共に重畳して表示部
２８に表示する。After inputting the destination and determining the route, the actual route guidance is performed. The route guidance control unit 26 included in the above-mentioned calculation unit 20 reads the map information around the own vehicle from the map information storage unit 10 and superimposes it together with the current own vehicle position and traveling direction and the route stored in the route storage unit 24. Is displayed on the display unit 28.
【００１２】表示部２８は運転席近傍のインストルメン
ツパネル内に設けられており、運転者はこの表示部２８
を見ることにより自車両の位置を確認し、また今後の経
路についての情報を得る。この表示の一例を図２に示
す。図２において選択された経路は太い実線１００で示
されており、その他の道路は細い実線１０２で示されて
いる。自車両の位置は丸印１０４で、進行方向はくさび
型矢印１０６で示されている。道路の表示については、
線の太さによる区別に限らず色を変えることにより区別
することもできる。The display unit 28 is provided in the instrument panel near the driver's seat, and the driver can see the display unit 28.
Check the location of your vehicle by looking at and get information about future routes. An example of this display is shown in FIG. The selected route in FIG. 2 is shown by a thick solid line 100, and the other roads are shown by a thin solid line 102. The position of the host vehicle is indicated by a circle 104, and the traveling direction is indicated by a wedge-shaped arrow 106. For road display,
It is possible to distinguish not only by the thickness of the line but also by changing the color.
【００１３】自車両の位置が進路変更すべき交差点１０
８に近付くと表示画面が図３のように変わり、交差点名
１１０とその交差点までの距離１１２を表示する。ま
た、この表示切り換えと同時に交差点での経路誘導に対
応する音声を発生するように経路案内制御部２６は音声
制御部３０に指示を行う。音声制御部３０は音声記憶部
にデジタルデータとして記憶されている情報を読み出
し、これをアナログ信号に変換しスピーカ３４を駆動す
る。そして、スピーカ３４より「次の交差点を左折で
す。」などと経路案内を運転者に行い経路誘導する。こ
の音声指示は交差点を通過するまで所定距離ごとに行わ
れる。An intersection 10 where the position of the own vehicle should be changed.
When approaching 8, the display screen changes as shown in FIG. 3, and the intersection name 110 and the distance 112 to the intersection are displayed. Further, the route guidance control unit 26 instructs the voice control unit 30 to generate a voice corresponding to the route guidance at the intersection at the same time as this display switching. The voice control unit 30 reads the information stored as digital data in the voice storage unit, converts the information into an analog signal, and drives the speaker 34. Then, a route guidance is given to the driver from the speaker 34 such as "Turn left at the next intersection." This voice instruction is given every predetermined distance until the vehicle passes the intersection.
【００１４】本実施例においては、この経路案内の行わ
れる位置を決める際に交差する道路１０８の幅員に関す
る情報を考慮する。前記の地図情報記憶部１０には各道
路の車線数を記憶している車線数記憶部１０ａが設けら
れている。前記の現在位置測定部１２により求められた
自車両の現在位置と、車線数記憶部１０ａを含む地図情
報記憶部１０との情報より、経路案内制御部２６は交差
する道路の幅員を検出する。本実施例においては車線数
に所定の値を掛けることにより交差道路の幅員としてい
る。もちろん、各道路にその幅員のデータを合わせて記
憶させ、このデータを基に道幅の検出を行うよう構成さ
れてよい。In the present embodiment, information regarding the width of the intersecting road 108 is taken into consideration when determining the position where the route guidance is performed. The map information storage unit 10 is provided with a lane number storage unit 10a that stores the number of lanes on each road. The route guidance control unit 26 detects the width of the intersecting road based on the information of the current position of the own vehicle obtained by the current position measurement unit 12 and the map information storage unit 10 including the lane number storage unit 10a. In this embodiment, the width of the intersection road is obtained by multiplying the number of lanes by a predetermined value. Of course, the width data may be stored together for each road, and the road width may be detected based on this data.
【００１５】経路案内制御部２６に含まれる案内位置変
更部２６ａは前述の車線数に応じて経路案内を行う地点
を変更する指示を行う。たとえば、交差点入り口部３
（図４）を基準に考えれば、自車両から交差点中心位置
までの距離から交差道路の幅員の半分を引いた値を基に
経路案内をする地点を算出する。本実施例においては、
１車線に対して幅員が３ｍとして道幅を算出し、交差す
る道路が片側１車線の道路走行時には交差点中心より３
５０ｍ手前で音声案内を行い、１車線増えるごとにさら
に３ｍずつ手前で音声案内を行うようにする。また、該
当する交差点の拡大図の表示も早めに行うようにする。
本実施例の場合は、前述の音声案内を最初に行うと同時
に画面表示を拡大図の表示にするように構成されてい
る。The guidance position changing unit 26a included in the route guidance control unit 26 gives an instruction to change the point for route guidance according to the number of lanes. For example, intersection entrance 3
Based on (Fig. 4), the route guidance point is calculated based on the value obtained by subtracting half the width of the intersection road from the distance from the vehicle to the intersection center position. In this embodiment,
The road width is calculated assuming that the width is 3 m for one lane, and the crossing road is 3 lanes from the center of the intersection when traveling on one lane on each side.
Voice guidance will be provided 50 meters before, and voice guidance will be provided 3 meters before each lane. Also, the enlarged view of the corresponding intersection should be displayed earlier.
In the case of the present embodiment, the above-mentioned voice guidance is first performed, and at the same time, the screen display is enlarged.
【００１６】したがって、本実施例によれば交差する道
路の幅員に応じて経路案内をすることができるので、交
差道路の幅員が広い場合にも経路案内が遅れ、運転者の
思った以上に早く該当する交差点に接近してしまうこと
を防ぐことができる。Therefore, according to the present embodiment, the route guidance can be performed according to the width of the intersecting road, so that the route guidance is delayed even when the width of the intersecting road is wide, which is faster than the driver thinks. It is possible to prevent approaching the corresponding intersection.
【００１７】また、本実施例においては、図４に示す交
差点の入り口部３を基準として経路案内を行うようにし
たが、交差点入り口部よりさらに手前３ｍに停止線があ
ると想定し、この停止線を基準としてもよい。In this embodiment, the route guidance is carried out with the entrance 3 of the intersection shown in FIG. 4 as a reference, but it is assumed that there is a stop line 3 m before the entrance of the intersection, and this stop is assumed. The line may be used as a reference.
【００１８】以上の実施例においては、交差する道路ど
うしがほぼ直交する場合について記したが、道路の交差
角に応じて経路案内をする地点を変更してもよい。道路
の交差角が小さい場合、交差点中心から交差点入り口部
分までの距離が長くなる。すなわち、交差する道路の幅
員が広い場合と同様に、交差点中心までの距離と交差点
入り口までの距離の差が大きくなる。したがって、道路
の交差角も考慮に入れることもまた好適である。この場
合、交差点に接近した時に、地図情報記憶手段１０に記
憶される道路に関する情報に基づき交差点における道路
の交差角が算出され、この交差角が小さい場合、経路案
内地点をより手前とする。これによって、道路の交差角
が小さい交差点に対応することが可能となる。In the above embodiments, the case where the intersecting roads are substantially orthogonal to each other has been described, but the point for route guidance may be changed according to the intersection angle of the roads. When the intersection angle of the road is small, the distance from the center of the intersection to the intersection entrance is long. That is, as in the case where the width of the intersecting road is wide, the difference between the distance to the intersection center and the distance to the intersection entrance becomes large. Therefore, it is also suitable to take the intersection angle of the road into consideration. In this case, when an intersection is approached, the intersection angle of the road at the intersection is calculated based on the information about the road stored in the map information storage means 10. If the intersection angle is small, the route guidance point is set closer to the front. This makes it possible to deal with an intersection having a small road intersection angle.
【００１９】[0019]
【発明の効果】以上の説明のように、本発明によれば交
差する道路の幅員が変化しても経路案内を適切なタイミ
ングで行うことができるので、運転者が思った以上に早
く交差点に達してしまい、右折・左折の機会を逸するこ
とを防止することができる。As described above, according to the present invention, route guidance can be provided at an appropriate timing even if the width of an intersecting road changes, so that a driver can reach an intersection faster than he or she thought. It is possible to prevent the opportunity to make a right turn or a left turn from being reached.
【図１】本発明にかかる好適な実施例の構成ブロック図
である。FIG. 1 is a configuration block diagram of a preferred embodiment according to the present invention.
【図２】本実施例の装置の表示例を示す図である。FIG. 2 is a diagram showing a display example of the apparatus of this embodiment.
【図３】本実施例の装置の表示例を示す図であり、特に
右折または左折する交差点に接近した時の拡大表示の例
を示す図である。FIG. 3 is a diagram showing a display example of the device of the present embodiment, and is a diagram showing an example of enlarged display when approaching an intersection that makes a right turn or a left turn.
【図４】交差する道路の幅員の違いによる交差点入り口
までの距離の相違の説明図である。FIG. 4 is an explanatory diagram of a difference in distance to an intersection entrance due to a difference in width of intersecting roads.
１０ 地図情報記憶部 １０ａ 車線数記憶部 ２６ 経路案内制御部 ２６ａ 案内位置変更部 10 map information storage unit 10a number of lane storage unit 26 route guidance control unit 26a guidance position change unit
───────────────────────────────────────────────────── フロントページの続き (72)発明者 伊藤 徹 愛知県豊田市トヨタ町１番地 トヨタ自動 車株式会社内 (72)発明者 森本 恭己 愛知県安城市藤井町高根10番地 アイシ ン・エィ・ダブリュ株式会社内 (72)発明者 横山 昭二 愛知県安城市藤井町高根10番地 アイシ ン・エィ・ダブリュ株式会社内 (72)発明者 黒田 賢二 愛知県安城市藤井町高根10番地 アイシ ン・エィ・ダブリュ株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toru Ito 1 Toyota Town, Toyota City, Aichi Prefecture Toyota Motor Corporation (72) Inventor Kyomi Morimoto 10 Takane, Fujii Town, Aichi Prefecture Aisin Ai In W Co., Ltd. (72) Inventor Shoji Yokoyama 10 Takane, Fujii-cho, Anjo City, Aichi Prefecture Aisin AW Co., Ltd. (72) Kenji Kuroda 10 Takane, Fujii-cho, Anjo City, Aichi Prefecture Aisin A. W Co., Ltd.
Claims (1)
案内を行い、目的地に至る経路に沿って誘導を行う車両
用経路誘導装置であって、 現在走行中の道路と交差する道路の幅員を検出する道幅
検出手段と、 前記道幅検出手段によって検出された道幅が広いほど手
前の地点で経路案内を行う経路案内手段と、を有してい
ることを特徴とする車両用経路誘導装置。1. A route guidance device for a vehicle, which provides voice guidance at a predetermined point on a traveling route and guides along a route to a destination, and detects a width of a road intersecting with a road on which a vehicle is currently traveling. A route guidance device for a vehicle, comprising: a road width detecting unit that performs the route guidance; and a route guiding unit that guides the route at a point closer to the front as the road width detected by the road width detecting unit becomes wider.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20472992A JP3197345B2 (en) | 1992-07-31 | 1992-07-31 | Route guidance device for vehicles |
| US08/092,816 US5410486A (en) | 1992-07-20 | 1993-07-19 | Navigation system for guiding vehicle by voice |
| DE4324215A DE4324215C2 (en) | 1992-07-20 | 1993-07-19 | Voice navigation system for vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20472992A JP3197345B2 (en) | 1992-07-31 | 1992-07-31 | Route guidance device for vehicles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0652493A true JPH0652493A (en) | 1994-02-25 |
| JP3197345B2 JP3197345B2 (en) | 2001-08-13 |
Family
ID=16495350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20472992A Expired - Lifetime JP3197345B2 (en) | 1992-07-20 | 1992-07-31 | Route guidance device for vehicles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3197345B2 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001165688A (en) * | 1999-12-10 | 2001-06-22 | Alpine Electronics Inc | Navigation device |
| GB2382685A (en) * | 2001-09-22 | 2003-06-04 | Bosch Gmbh Robert | Method and system to provide traffic lane recommendations |
| WO2006068268A1 (en) * | 2004-12-24 | 2006-06-29 | Fujitsu Ten Limited | Driving assistance device |
| WO2008126424A1 (en) * | 2007-04-05 | 2008-10-23 | Mitsubishi Electric Corporation | Route guidance device |
| JP2010134838A (en) * | 2008-12-08 | 2010-06-17 | Nissan Motor Co Ltd | Information provision device and information provision method for vehicle |
| CN104034327A (en) * | 2013-03-04 | 2014-09-10 | 华为技术有限公司 | Pedestrian navigation processing method, terminal unit and system |
| JP2016156718A (en) * | 2015-02-25 | 2016-09-01 | 株式会社トヨタマップマスター | Pedestrian navigation device, pedestrian navigation method, computer program, and recording medium with computer program recorded |
| JP2017181150A (en) * | 2016-03-29 | 2017-10-05 | 株式会社ゼンリンデータコム | Navigation device, navigation method, and navigation program |
-
1992
- 1992-07-31 JP JP20472992A patent/JP3197345B2/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001165688A (en) * | 1999-12-10 | 2001-06-22 | Alpine Electronics Inc | Navigation device |
| GB2382685A (en) * | 2001-09-22 | 2003-06-04 | Bosch Gmbh Robert | Method and system to provide traffic lane recommendations |
| GB2382685B (en) * | 2001-09-22 | 2004-05-26 | Bosch Gmbh Robert | Method and system to provide traffic lane recommendations |
| US7376508B2 (en) | 2001-09-22 | 2008-05-20 | Robert Bosch Gmbh | Method and system for making available driving lane recommendations |
| WO2006068268A1 (en) * | 2004-12-24 | 2006-06-29 | Fujitsu Ten Limited | Driving assistance device |
| US8073618B2 (en) | 2004-12-24 | 2011-12-06 | Fujitsu Ten Limited | Driving support apparatus and method |
| JPWO2008126424A1 (en) * | 2007-04-05 | 2010-07-22 | 三菱電機株式会社 | Route guidance device |
| DE112008000783T5 (en) | 2007-04-05 | 2010-03-25 | Mitsubishi Electric Corp. | Route guidance device |
| JP4637262B2 (en) * | 2007-04-05 | 2011-02-23 | 三菱電機株式会社 | Route guidance device |
| WO2008126424A1 (en) * | 2007-04-05 | 2008-10-23 | Mitsubishi Electric Corporation | Route guidance device |
| US8306743B2 (en) | 2007-04-05 | 2012-11-06 | Mitsubishi Electric Corporation | Route guiding apparatus |
| JP2010134838A (en) * | 2008-12-08 | 2010-06-17 | Nissan Motor Co Ltd | Information provision device and information provision method for vehicle |
| CN104034327A (en) * | 2013-03-04 | 2014-09-10 | 华为技术有限公司 | Pedestrian navigation processing method, terminal unit and system |
| WO2014134933A1 (en) * | 2013-03-04 | 2014-09-12 | 华为技术有限公司 | Pedestrian navigation processing method, terminal device and system |
| CN104034327B (en) * | 2013-03-04 | 2016-08-31 | 华为技术有限公司 | Pedestrian navigation processing method, terminal unit and system |
| JP2018031783A (en) * | 2013-03-04 | 2018-03-01 | 華為技術有限公司Ｈｕａｗｅｉ Ｔｅｃｈｎｏｌｏｇｉｅｓ Ｃｏ．，Ｌｔｄ． | Method, system, and terminal equipment for performing pedestrian navigation |
| JP2016156718A (en) * | 2015-02-25 | 2016-09-01 | 株式会社トヨタマップマスター | Pedestrian navigation device, pedestrian navigation method, computer program, and recording medium with computer program recorded |
| JP2017181150A (en) * | 2016-03-29 | 2017-10-05 | 株式会社ゼンリンデータコム | Navigation device, navigation method, and navigation program |
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