JPS6048573A - Portable type electronic map device - Google Patents

Abstract

PURPOSE:To constitute a portable map which is small in size and convenient for handling by storing in advance map information and information related to the map information in a memory, and displaying necessary information on a display part by operating a key. CONSTITUTION:A map body 1 is constituted of a pair of freely foldable cover parts, and a display part 3 and an operating part 5 are provided on a cover 2 and a cover 4, respectively. The display part 3 is constituted of a character surface 31 which contains a mode display part 33 and a processing display part 34 to execute a character display, and a graphic surface 32. The graphic surface 32 displays a map, and displays a map of a desired area by an operation of the operating part 5. The cover part 4 is provided with the key operating part 5 and a mode operating part 6, turns on and off a power source, displays a map, and selects a computer mode, etc. By the key operation 5, reduction and magnification are executed by selecting an area of a map whose display is desired, and a distance calculation, necessary time calculation, etc., are executed by moving the map upward and downward, and to the left and right. In such a way, a map which is small in size and has a multi-function is constituted to make the map suitable for the operation of a vehicle.

Description

[Detailed Description of the Invention] a Technical Field The present invention relates to a portable electronic map device, which uses a memory in which map information is converted into data, and is capable of displaying desired graphic information according to key operations. This is what I did.

B. Prior Art and its Disadvantages Conventionally, when driving, hiking, etc., people usually carry and use r (a booklet or a large-sized atlas) to know the route, current position, direction, or distance.

However, booklets or large-sized atlases are difficult to find the desired location, are heavy to carry, and it is very troublesome to search through the pages of the booklet, and the roads on the map are difficult to find.
If there is a cut at two ends, you will have to turn over the page that contains the continuation of the cut to find out where it ends, making it difficult to calculate the distance between two points and making it difficult to find the shortest route 5. It had various drawbacks, such as the need to spread it out.

C.Purpose The present invention has been made to eliminate the above-mentioned drawbacks of the conventional technology, and provides a portable electronic device which is excellent in portability, can display a desired area with a single touch, and can display various map information as graphic information. The purpose is to provide a mapping device.

Here, the features of the portable electronic map device according to the present invention are listed as follows: (1) Storing map information in a semiconductor digital memory 1,7
Alternatively, this can be achieved by storing the map information, selectively reading out the desired map information, and displaying it as graphic information.

(Map information displayed (bow, various processing operations, etc.)
You can zoom in, zoom out, flip down, scroll, etc., and press X on any two points on the map display.

Perform the actual distance calculation by specifying the Y coordinate,
The ability to show the shortest route (iii) The built-in program can display various data,
For example, by inputting speed, distance, time, fuel amount, etc., it is possible to display information such as fuel consumption, arrival time, and whether the vehicle will be able to maintain sufficient gasoline until the destination.

(iv) Programs can be created using the Ba5ic language, and keys can be defined.

(V) This is a device that allows you to perform the four arithmetic and square root calculations according to formulas. The display section consists of a character display screen and a graphic display screen, and the device can be configured compactly.

d Embodiment FIG. 1 shows an external view of a portable electronic map device according to an embodiment of the present invention. The main body 1 of the device is composed of a pair of foldable covers, and one cover part 2 has a display section 3.
The other cover part 4 is provided with a key operation section 5 .

<Display Unit> The display unit 3 is composed of a character screen 3I for displaying characters and a graphic screen 32 for displaying graphs such as map information. Character screen 3
1, a vCl-j mode display 33 and a process display 34 are displayed in the upper row, and 12 lines of characters are displayed in the lower row. In this case, one line consists of 15 characters, and among the 12 lines,
This is provided as a backup when the number exceeds 2 lines and 15 characters. The name currently being input is displayed on the bottom line. Character I screen vCtri Up to 9 names can be displayed,
A total of 27 names can be registered from number 1 to number 27 using the memory key. A map is displayed on the graph ink screen 32, and in the initial mode, the Japanese archipelago is displayed with the module installed, and the range of the map that can be displayed is shown.

35 is the map of Japan (
36 shows the range of the map stored in the installed module (not shown). Therefore, a module storing IKtri map information can be installed in the device main body. Also, X.

Y is an X coordinate axis and a Y coordinate axis, respectively, and the map can be moved appropriately by key operation.

Furthermore, elastic rubber 37 is provided on the cover part 2 at four corners.

<Key Operation Section> A key operation section 5 and a mode switch 6 are provided on the cover part 4. Mode switch 6 is a map that displays the map.
The display of the mil mode diagram disappears, and the program (PRO) mode set in the pocket computer also disappears, and a mathematical formula is displayed, and the ENTER key does not give an answer, resulting in RUN mode, and at the same time, it also serves as the power + 7) ON-OFF keys. The key operation unit 5 has built-in program keys 51 (P, ~P
4) and with definition are program keys 52 (P5 to P8)'
A program is input to each of the built-in program keys 51, and a self-made program is input to each of the defined program keys 52. Reference numeral 53 denotes a scroll key or cursor key, which is composed of four types of keys: "↑", "↓", "←", and "→", and serves both as a scroll key and a cursor key. 54 is an Alpha Benito (Q-5PC) and memory keys (1 to 27). That is, memory key rQ
You can register the name of the city or expressway you want to display on a total of 27 keys from J to rSPCJ. The names are sorted in order from 1 to
It is numbered 27. Character screen 3 on display section 3
Character screen switching display section 38 (1, rJ
, III) are provided, and the page key 55 allows
Memory No. 1 to 9, II to 10 to I8■ to 19 to 2
7 is displayed. 56.57 is the x, y coordinate key,
When the + side of this coordinate key is pressed, the coordinate axes on the graphic screen 32 move to the + side, and when one side is pressed, the coordinate axes move to one side. Further, D, , I) 2 are keys for calculating the straight distance and real distance on the map, respectively. In addition, there are four arithmetic keys, numeric keys and funkyon keys for performing square root calculations, and keys for "To", "Michi", "Fu-J", "Prefecture", "City", "Town", and "Dip", and keys for performing enlargement processing. An "enlarge" key, a C-th "position" key, etc. are provided for appropriately moving the X and Y coordinate axes by key operation to find an intersection at the destination point, and registering the coordinate position in the memory. Further, the cover parts 2 and 4 are electrically connected via a joint 7'ff: and a connecting cord 8.

FIG. 2 is a system configuration block diagram, and 10 is a microprocessor sensor (MPU), IILfJLCI) or E
12 is a display drive circuit that drives the display section, 13 is a key operation section, 14 is a ROM 15 is a RAM for storing map information, 16 is a module, and 17 is a data, address, and control path. Figure 3 shows a flowchart for explaining the overall operation of the portable electronic map device according to the present invention. The operating procedure is shown here. First, insert the battery and install the module (nl). The bit pattern is automatically read into the RAM (I2), and during this time the switch is set to 0NV.
Nothing is displayed even if I press C. After loading into RAM (
After a certain period of time), when the switch i 0 N is turned on (+13), the Japanese archipelago and module range stored in TguOM are displayed. This range C is stored in advance in each module as screen coordinates.

Once information is entered into RAM, there is no need to read it again until the battery is replaced. switch to 0NVr
c, the above-mentioned display will appear immediately.

When switch 6 (Fig. 1) is set to kmapm mill mode (I4), the map display disappears and when set to pRO mode (n22), the display disappears and the mode changes to pocket computer mode.
When you change to UN mode (nB), the display disappears,
Show the formula and press the ENTER key to get the answer.

Map mill switch mode mode change (obtained by pressing the bow mode key. In memory mode (I5), select pages I, II, III with the page key I6
), Process 1 is performed (I7), RUN mode (I8)
Now read out the registered place name using the page key I9).
Memory key number (1 to 27) corresponding to the desired place name number
) to display areas that include that place name (n 1
1+ 1.13) O Place names and regions are stored in modules on a one-to-one basis. If it is not registered, manually input the key (n12).

When in PRO mode (n22)H Process 6 as described later,
Do step 7.

Next, the contents of each process shown in the flowchart of FIG. 3 will be explained.

Processing I...I7 Processing 5...Processing] 21 Processing 2 n15
Processing 6・n24 Processing 3 ”' n 17 Processing 7 ”' I]26 Processing 4 ”・n 1g Processing 8 ”' 112 B Processing 9・
113.

Process 1 The details of Process 1 are shown in FIG. 4. A that you want to display on a total of 27 keys (memory keys rQJ to r'spc)
Register the city and B expressway name. In addition, the name (d) is sorted and the numbers K1 to 270 are (-J and the page key is pressed. ■ indicates memory NO1 to 9.11 to 10 to I8, and ■ indicates 19 to 27 bales (S, to S9). Further memo IJ
- Replace or modify the contents of Nos. 1 to 27 (
S5. S,o,S,,).

In the module map, press the X and Y coordinate axes (56
, 57) Move the intersection appropriately to bring it to the desired point, and press the "Enlarge" key. A rectangular section with a predetermined number of dots centered on that intersection will replace the previous map. Is displayed.

By appropriately moving the X and Y coordinate axes using key operations to bring the intersection to the desired point, and pressing the "position" key, the coordinates are stored in the memo IJ-. Let this be point A. Point B is determined at another point in the same way. By pressing the "Dl" key ((using the scale factor and the Pythagorean theorem)
The direct distance between B is shortened. Also, by pressing the "I2" key, you can go from point A to point B (even if there are multiple routes, the microprocessor MPU calculates the shortest route, outputs the actual distance by line integral, and calculates the route. Make it blink. Points A and B are marked with x marks on the map. The calculation results are shown on the bottom line of the character data screen.

Rotate the coordinates of the V-RAM bit pattern by 1800 degrees.

As shown in Fig. 5, when you want to scroll, ΔX and Δy are determined by scroll key H1↑1.
Coordinates of the origin of the display screen for MK (riX=x+Δ
It becomes X1Y-y+Δy. In this way, V-
Send data to RA8, l! : allows scrolling. Even if the road breaks in the middle of the screen, you can move the screen up, down, left, and right to quickly search for the next part of the screen.

Execute the program defined in advance in the built-in program key 5 (keys P1 to P4 in FIG. 1).

Since input data is requested on the bottom line of the character screen, input an appropriate value using the keys and the answer will be calculated and displayed.

Execute the self-made program whose definition has been found in the program key 52 (P5-8 key in Figure 1).0 Execute the self-made program using the BASIC language.
J' Defined on the 8 key. When the mote switch 6 is set to program mode (PRO), all displays disappear and LISTi can be created and modified on both the character screen and the graphic screen.

The entire display disappears and the four rules according to the formula are displayed at the bottom line of the character screen.
Kaihei, Kakko's performance '74-t, can be performed.

Numerical formulas that are not displayed 7″1. are scrolled to the left in order.

(IguOM module data) Several types of line elements required for map creation are prepared and stored in the ROM module in the form of a vector as shown in FIG. The length is the same for each NO. A map is created by connecting these line elements. A line element consists of several dots to several tens of dots. This Bootara Microprocessor-MP
Pino L-Hakuun IFJ exchanged in U 1. , stored in RAM in a bit pattern. Place names, names, etc. are separate ROM VC
1 Store the lower left coordinates (in RAM l) of the leftmost character.

Both are combined when displayed.

(RAM) RAM VtC is stored in the module/converts the vector into a bit pattern/stores the load data.

RAM K contains a detailed map of a certain area, and in the enlarged mode, a portion of the map is stored in V-RAM and displayed.

When an entire region is stored in V-RAM, it is displayed using the 6J multiplication method. This means that there are currently 9 squares, and 9
If there are dots in 5 or more of the pieces, all 9 pieces are 1
) J and display it on V-R and AM.

As explained above, the portable electronic map device of the present invention
imJ: It is highly portable, allows you to display the desired area with a single touch, and can display various map information together with graphical information.

[Brief explanation of drawings]

Fig. 1 is an external view of a portable electronic map device according to an embodiment of the present invention, Fig. 2 is a system configuration block diagram, Fig. 3 is an overall flowchart of the same device, Fig. 4 is a flowchart of processing 1, FIG. 5 is a diagram for explaining the scrolling process,
Figure 6 is a diagram for map creation. 1: Main body 3: Display section 32: Graphic screen 33
: Character screen 5: Key operation unit 10: Microprocessor +4: ROM 15: RAM ] 6: Module

Claims (1)

[Claims] (1) Comprising a memory that stores map information and information related to the map information, a key operation unit that selectively reads desired contents of the memory, and a display unit that displays the read information as graphic information. Portable electronic map device.