CN1371825A

CN1371825A - Pointer Navigation Image Representation

Info

Publication number: CN1371825A
Application number: CN 01103852
Authority: CN
Inventors: 陈锡勋
Original assignee: E Lead Electronic Co Ltd
Current assignee: E Lead Electronic Co Ltd
Priority date: 2001-02-26
Filing date: 2001-02-26
Publication date: 2002-10-02

Abstract

The invention discloses a pointer type navigation image representation method, which is a representation method for displaying driving navigation information sent by a navigation device by using a display screen and converting the driving navigation information into a clock-simulated pointer image to guide a driving route. The representation method is mainly characterized in that a navigation device, a wireless communication device and a navigation service center are matched, a driving route transmitted by the service center or a driving route autonomously calculated by the navigation device presents a clock-simulated pointer representation method on a display screen, so that each pointer respectively represents each navigation message, and a simple and clear navigation map is provided through a limited display screen.

Description

Pointer type navigation image display method

The present invention relates to a kind of pointer type navigation image display method, more particularly, relate to a kind of when on navigation picture, copying hand of a clock indicate the representation of travel direction, by this representation can be simply, clearly show the situation at the crossing of respectively passing through, the situations such as direction, orientation and distance of destination, so that the user can simply, clearly see travel way and situation clearly.

Development along with the science and technology civilization provides many scientific and technological easily products, as originally applying to carry-on leading or military navigationsystem, has all begun to apply in general civil and the industry.Wherein the traffic navigation device has become the standard outfit of current driving circle more, yet general homing advice is to utilize small-sized Liquid Crystal Display (LCD) mostly, road conditions and navigation message are presented on the read-out of this telltale, but its display mode is similar, all be on street map, to identify the present residing position of vehicle, and change the position of this bright spot according to advancing of vehicle accordingly with a bright spot.But, in order to make this telltale not influence the space in the car and the Qian Guan visual field of driving, so too big read-out can't be installed, thereby cause on limited read-out, to show detailed map and thickly dotted map data, and then can make and when watching this read-out, can feel painstaking and inconvenience.When especially in wagon flow or tunnel, advancing, need on the one hand watch the image that is used to guide absorbedly, drive modestly again on the other hand to advance, thisly watch the inconvenience meeting of read-out to bring potential driving danger to chaufeur.

The object of the present invention is to provide a kind of pointer image representation that the navigation message can be converted to imitative clock type, by this representation can be simply, clearly show the navigation messages such as state, distance and orientation at destination and next turning crossing, be beneficial to chaufeur and when advancing, watch, thereby can reduce the risk of driving.

To achieve these goals, pointer type navigation image display method among the present invention utilizes read-out to come the navigation message is shown, and this representation be will driving the navigation message pointer image that converts imitative clock type to come travel way is guided, promptly utilize this representation to represent turning to of next turning crossing by read-out conversion back with first pointer by the data that navigationsystem is guided travel way, the direction of representing to arrive the destination with second pointer, and represent the reference azimuth, thereby constitute one simple with the 3rd pointer, navigation picture clearly.

In addition, this pointer type navigation image display method also can be represented turning to of next turning crossing by read-out conversion back with first pointer with the data of travel way being guided by Navigator calculate on the car, the direction of representing to arrive the destination with second pointer, and represent the reference azimuth with the 3rd pointer, thereby constitute another simply, the image of navigation clearly.

Simultaneously, can in read-out, be provided with and first pointer and the corresponding distance expression of second direction that pointer is guided district, so that random table illustrates the distance apart from next turning crossing and destination.

Simultaneously, also can in described read-out, be provided with the title and the character property cue mark that turns at a demonstration turning crossing near the external zones of first pointer.

In addition, the 3rd pointer can be represented reference azimuths such as East, West, South, North by orientation letter e, W, S, N respectively.

Utilize above-mentioned pointer type navigation image display method can simply, clearly express the guiding crossing state, turn to and the distance etc. the navigation message, thereby can avoid effectively because of using multiple message to cause read-out to watch difficulty, and then reduce the danger of driving.

Below in conjunction with accompanying drawing composition of the present invention and specific embodiment are described in further detail.

Fig. 1 is the diagram of block of homing advice among the present invention;

Fig. 2 is the scheme drawing that navigator fix and message transmit among the present invention;

Fig. 3 is the control flow chart () of navigation operation among the present invention;

Fig. 4 is the control flow chart (two) of navigation operation among the present invention;

Fig. 5 is corresponding to the navigation picture scheme drawing of travel way among the present invention;

Fig. 6 is the scheme drawing of pointer type navigation image display method embodiment one among the present invention;

Fig. 7 is the scheme drawing of pointer type navigation image display method embodiment two among the present invention;

Fig. 8 is the real scheme drawing of example three of putting of pointer type navigation image display method among the present invention;

Fig. 9 is the scheme drawing of pointer type navigation image display method embodiment four among the present invention.

At first as shown in Figure 1, the homing advice among the present invention 1 mainly is formed by combining by a central arithmetic unit 11, a display unit 12, a data bank unit 13, a data temporary storage unit 14, a GPS receiving element 15 and an inputting interface 16.This homing advice 1 is matched with brings into play the function that it transmits the navigation message behind wireless communication apparatus T (can be communication apparatus such as radiophone or vehicular telephone), gps satellite C and the traffic navigation servicing center S.Wherein:

One central arithmetic unit 11 is other each member units in this homing advice 1 of master control, and still can carry out the data from the row operation travel way under the situation of mismatching traffic navigation servicing center S;

-display unit 12 can be a loud speaker, also can be a read-out, comes displayed map message and navigation message by auditory tone cues or read-out;

One data bank unit 13 is to be used to store various figures and written historical materials, wherein includes the schematic representations (as left-hand rotation, cross roads or the like) and the prompting written historical materials of crossing situation at least;

One data temporary storage unit 14 can be a memory body, in order to temporary transient storage data computation, travel way, navigation message, and the message that transmits by the message or the traffic navigation servicing center S of user input etc.;

One GPS receiving element 15 is in order to receive the location signal of gps satellite signal C;

One inputting interface 16 can be the push-button array that is used for user input, also can be to be used for the switch of user's input or setting navigation device or touch display screen or the like.

With the wireless communication apparatus T that the homing advice of being made up of said units 1 matches, can be Communication Equipments such as a radiophone or vehicular telephone, so that user and traffic navigation servicing center S carry out the bidirectional transmission message.And traffic navigation servicing center S will have a navigation map, a message at least and receives with conveyer (can be radiophone, vehicular telephone or the like), a roadway and draw arithmetic system (computing also provides the data of travel way).Fig. 2 for another example, Fig. 3 and shown in Figure 6, combination by said units, when the user wants to obtain the navigation message, at first by gps satellite C, receiving element 15 and inputting interface 16 are determined the position at driving self place, to locate message by the radio communication device T in the homing advice 1 again and send navigation Service center S to the destination of wanting to go to, and the guiding demand of proposition travel way, or calculate preferable travel way voluntarily by the central arithmetic unit 11 of homing advice 1 self, and come the show navigator message (because the action of GPS and computing are general traditional technology by the read-out in the display unit 12 120, and neither emphasis of the present invention, so do not add explanation) at this.

Operation control flow and step when as shown in Figure 3, homing advice 1 cooperates traffic navigation servicing center S are as follows:

1. the user at first uses GPS receiving element 15 in the homing advice 1 to receive the signal of gps satellite C, and the position at himself place is shown, utilize wireless communication apparatus T that the destination that it will arrive is informed that (traditional navigate mode all is independently to calculate preferable travel way to (transmission) traffic navigation servicing center S now again, not by the traffic navigation servicing center), by wireless communication apparatus T user's position message (being operated voluntarily by homing advice 1) is sent to servicing center S simultaneously.

2. traffic navigation servicing center S confirms the destination of driving a vehicle and drives a vehicle present residing position according to its in-to-in electronic chart.

3. the selected driving of traffic navigation servicing center S will arrive the position at the pass through route and the crossing of respectively turning of destination.

4. traffic navigation servicing center S finishes position, direction, the computing of distance, the setting to each turning crossing, and utilizes wireless communication apparatus T to be transferred to the user this data information.

5. finish to then continuing behind user's data transmission and down carry out, otherwise heavily cover the 4th step (when being autonomous navigation, then not having this step) as if the user.

6. homing advice 1 converts the message that traffic navigation servicing center S transmits to can show image document on the car, promptly imitates the pointer image of clock type, and indicates direction, position and the distance of next turning crossing and destination.

7. judge whether the user has arrived the destination, then finish guiding, otherwise heavily covered for the 6th step if arrived.

In addition referring to shown in Figure 4, if mismatch traffic navigation servicing center S, but during autonomous navigation, its operation control flow is as follows:

(1) user uses the GPS receiving element 15 in the homing advice 1 to receive the gps satellite signal, so that himself residing position clearly to be shown, and utilizes inputting interface 16 to set the destination locations that it will arrive.

(2) homing advice 1 is confirmed its destination and the present residing position of driving according to the electronic chart in the data bank unit 13.

(3) homing advice 1 selected its arrives the position at the travel way of destination and the crossing of respectively turning, and position, direction and the distance at the crossing of respectively turning also set in computing simultaneously, and this data information that configures temporarily is stored in the data temporary storage unit 14.

(4) homing advice 1 converts stored message in the data temporary storage unit 14 to can show image document on the car, promptly imitates the pointer image of clock type, and indicates direction, position and the distance of next turning crossing and destination.

(5) judge whether the user has arrived the destination, then finish guiding, otherwise heavily covered for (4) step if arrived.

Pointer type navigation image display method among the present invention (as shown in Figure 6), mainly be on the read-out 120 of display unit 12, to be provided with one to overlap hand of a clock when copying, i.e. first pointer 121, second pointer 122 and the 3rd pointer 123, the meaning that they are represented separately is as follows:

1. the sensing of first pointer 121 represents that (driving the place ahead of facing with chaufeur is the reference azimuth for the direction at next turning crossing, be the reference azimuth promptly with the present direction of chaufeur), the tail of first pointer 121 is kicked 1211 and is then represented the state (as cross roads, cross road mouth or the like) at next turning crossing and turn to (tail as first pointer 121 among Fig. 7 is kicked 1211 rotation arrow).

2. the sensing (driving the place ahead of facing with chaufeur is the reference azimuth) of position, destination is represented in the sensing of second pointer 122, the tail of second pointer 122 kick 1221 then the expression destination the position.

3. the sensing of the 3rd pointer 123 expression orientation N (or particular orientation).

4. in the appropriate area of read-out 120, be provided with crossing and the destination corresponding distance expression district 124 that one and first pointer 121 and second pointer 122 are guided, be convenient to random identification and go out distance (represent that as the ⊙ 53.1K that is identified among Fig. 6 the present range destination has 53.1 kilometers ,+1.32K represents that next turning crossing of present range has 1.32 kilometers) apart from next turning crossing, destination.

As shown in Figure 5, utilize the diagram in actual highway section that representation of the present invention is described, when driving a vehicle in different highway section L1, L2, L3, L4, L5, the L6 and the crossing R1 that whenever next time turns, R2, R3, R4, the navigation picture state of R5, be respectively image A, B, C, D, E, F, and the direction (is the reference azimuth with driving the place ahead) at first pointer, 121 next turning crossing of sensing in the image, its second pointer 122 points to the direction of destination, the 3rd pointer 123 then points to the north (or particular orientation), represents when different highway sections that promptly table can be because of the state at different crossings, turn to and different pointer image such as A, B, C, D, E, F.It is the direction (driving the place ahead of facing with chaufeur is the reference azimuth) that is oriented to next turning crossing of guiding on the read-out with first pointer 121, and represent the state at next turning crossing with the demonstration of its tail end 1211, second pointer 122 points to destination R6,123 on the 3rd pointer points to the north (or particular orientation), each pointer can carry out corresponding randomly change with car because of the difference of direction as first pointer 121, second pointer 122 and turns to when vehicle is advanced, to cooperate the purpose of guiding.

As shown in Figure 8, another embodiment among the present invention, wherein for the ease of guiding, the present invention can be in read-out 120, near the external zones 125 of first pointer 121 come the display text cue mark (as the title at turning crossing with turn to) to remind chaufeur; For ease of judging the orientation, the 3rd pointer 123 can be represented orientation (as shown in Figure 9) such as East, West, South, North by the letter on read-out 120 (E, W, S, N) 126 respectively in addition.

In sum, pointer type navigation image display method among the present invention, can simply express the guiding crossing situation, turn to and navigation message such as distance, thereby can avoid effectively using multiple message and cause read-out to watch difficulty, and then reduce the danger of driving.

Above said content only is a preferred embodiment of the present invention, and it can not be as limiting protection scope of the present invention.The equivalence that every spirit according to the present invention has been done changes and modifies, and all should think to fall within protection scope of the present invention.

Claims

1. A pointer-type navigation image representation method, which uses a display screen to display navigation information, and is characterized in that: the representation method is to convert the driving navigation information into a clock-like pointer image to carry out the driving route Guidance, using this expression to convert the data guided by the navigation system to the driving route through the display screen, and then use the first pointer to indicate the turning of the next turning intersection, use the second pointer to indicate the direction to reach the destination, and The reference azimuth is represented by the third pointer, thus forming a simple and clear navigation image.

2. A pointer-type navigation image representation method according to claim 1, characterized in that: the display screen is used to convert the driving navigation information into a clock-like pointer image to guide the driving route. The method converts the data for guiding the driving route calculated by the on-board navigation program through the display screen, and uses the first pointer to indicate the direction of the next turning intersection, the second pointer to indicate the direction to reach the destination, and the A third pointer is used to represent the reference bearing, thus forming a simple and clear navigation image.

3. A pointer-type navigation image representation according to claim 1 or 2, characterized in that: the display screen is provided with a distance indication corresponding to the direction guided by the first pointer and the second pointer area to randomly indicate the distance to the next turning intersection and the destination.

4. According to claim 1 or 2, a kind of pointer-type navigation image representation method is characterized in that: in the display screen, a text displaying the name of the turning intersection and turning is provided in the peripheral area close to the first pointer sex indicator.

5. According to claim 1 or 2, a kind of pointer navigation image representation method is characterized in that: said third pointer is represented by azimuth letters E, W, S, and N respectively for east, west, south, and north equal base position.

6. A pointer-type navigation image representation according to claim 1 or 2, characterized in that: the end of the first pointer can display the schematic pattern and turning of the next turning intersection according to the type of turning intersection arrow.

7. According to a kind of pointer navigation image representation method described in claim 1, it is characterized in that: the operation steps of obtaining driving navigation information from the navigation service center are:

(1) The user uses the GPS receiving unit in the navigation device to receive GPS satellite signals, cooperates with the input interface to indicate its own position, and uses the wireless communication device to inform (transmit) the driving navigation service center of the destination to be reached, and at the same time The location of the user is also sent to the service center through the wireless communication device;

(2) The driving navigation service center confirms the destination and the current location of the driving according to its internal electronic map;

(3) The driving navigation service center selects the route to the destination and the positions of the turning intersections;

(4) After the driving navigation service center completes the calculation and setting of the position, direction and distance of each turning intersection, it transmits this data message to the user through the wireless communication device;

(5) Continue to execute after transmitting the data message to the user, otherwise repeat step (4);

(6) The on-board navigation device converts the information sent by the driving navigation service center into image data that can be displayed, that is, a clock-like pointer image, and indicates the direction, position and distance of the next turning intersection and destination;

(7) Determine whether the user has reached the destination, and if so, end the guidance; otherwise, repeat step (6).

8. According to a kind of pointer navigation image representation method described in claim 2, it is characterized in that: the navigation device autonomously navigates, that is, the operation steps of autonomously calculating the course of action are:

(1) The user uses the GPS receiving unit in the navigation device to receive GPS satellite signals, cooperates with the input interface to indicate his own position, and inputs the destination position he wants to reach;

(2) The navigation device confirms the destination and the current location of the vehicle according to the electronic map in the database unit;

(3) The navigation device selects the route to the destination and the position of each turning intersection, calculates and sets the position, direction and distance of each turning intersection, and then temporarily stores this data message in the data temporary storage unit;

(4) The on-board navigation device converts the information in the data temporary storage unit into image data that can be displayed, that is, a clock-like pointer image, and indicates the direction, position and distance between the next turning intersection and the destination;

(5) Determine whether the user has reached the destination, and if the user has reached the destination, then end the guidance, otherwise, repeat step (4).