JP3651839B2 - Taxi display device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a taxi display device, and more particularly, to a taxi display device including a fee display unit that displays fee information indicating a taxi fee.
[0002]
[Prior art]
Taxi fare is set as the basic fare until the passenger exceeds the specified basic mileage distance after getting on the taxi vehicle. After the specified rent distance is exceeded, the taxi fare is set based on a fare system called the back distance. Each time the taxi vehicle passes, the rented distance (and the pseudo mileage calculated in accordance with the duration when driving at low speed) is set based on a so-called fare system. The predetermined fee is added to the basic fee. Each time the basic fee is added, the taxi fee with the updated value is displayed on the fee display section of the taxi display device mounted on the taxi.
[0003]
For example, in a conventional taxi display device, a fare display unit capable of displaying a 5-digit number arranges 7 segments as numeric display elements in Kanji day characters and selectively emits each segment. The numbers from 0 to 9 were displayed. As another configuration, a taxi fare is displayed on the fare display unit using an LCD or the like.
[0004]
[Problems to be solved by the invention]
However, in the fare display section of the taxi display device described above, the lowest digit of the taxi fare is displayed so as to be at the end of the fare display section, and the display position of each digit is fixed. If the number of digits of the taxi fare to be used is large, the display area of the fare display area can be used effectively, but if the number of digits is small, the undisplayed digit display area becomes empty space, The display area could not be used effectively. Therefore, the conventional taxi display device has a problem that when the amount of taxi fare is small, the display area of the fare display section has a large number of undisplayed parts, which is not attractive.
[0005]
Therefore, in view of the above-described problems, an object of the present invention is to provide a taxi display device that can effectively use a display space.
[0006]
[Means for Solving the Problems]
The taxi display device according to claim 1, which has been made in accordance with the present invention to solve the above-mentioned problems, is mounted in a taxi and displays fee information indicating the taxi fee as shown in the basic configuration diagram of FIG. In the taxi display device provided with 22, the charge display unit 22 is configured to be capable of dot display, and a digit number determination means 21a1 for determining the number of digits of the taxi fare displayed on the charge display unit 22; The display unit 21a2 displays the fee information at a predetermined position of the fee display unit 22 according to the number of digits determined by the digit number determination unit 21a1, and the determination result determined by the digit number determination unit 21a1. Te, and setting means 21a3 for setting a display mode for determining the display size of the charge information to be displayed on the Price display unit 22, wherein the display unit 21a2 is Characterized in that for displaying the fee information at the display size corresponding to the display mode in which the setting unit 21a3 is set.
[0007]
According to the taxi display device of the present invention described in claim 1, when the number of digits of the taxi fare is determined by the number-of-digits determining means 21a1, the display mode corresponding to the determination result is set by the setting means 21a3. The Then, the fee information is displayed by the display means 21a2 at a predetermined position of the fee display unit 22 corresponding to the determination result with a display size corresponding to the set display mode . Therefore, since the display position of the charge information displayed on the charge display section 22 can be set to a display position corresponding to the number of digits of the taxi fare, the display position of the charge information in the charge display section can be made variable. In addition, since the charge information displayed on the charge display unit 22 can have a different display size for each digit of the taxi fare, the display mode is set to increase the display size when the number of digits displayed for the taxi fare is small. By defining, the display space of the charge display unit 22 can be used more effectively. Therefore, even when the number of display digits of the taxi fare is small, the display space of the fare display unit 22 can be used effectively, so that the appearance of the display on the taxi display device can be improved.
[0008]
The invention of claim 2 wherein has been made to solve the above problems, as shown in the basic diagram of Fig. 1, the cab display device according to claim 1, wherein the predetermined position, the said charge information It is characterized by a centrally aligned position in the direction of the taxi fare .
[0009]
According to the taxi display device of the present invention described in claim 2 above , the charge information is displayed at the display position of the charge display section 22 centered in the digit direction by the display means 21a2. Therefore, since the display position of the charge information displayed on the charge display section 22 is almost the center position even if the number of digits of the taxi fare is different, the charge information is displayed even if the number of digits of the taxi fare is small. Can be displayed in the center of Therefore, even when the number of display digits of the taxi fare is small, the display space of the fare display unit 22 can be used effectively, so that the appearance of the display on the taxi display device can be further improved.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of a taxi display device according to the present invention will be described with reference to the drawings of FIGS.
[0013]
2 is a block diagram showing the configuration of the taximeter system, FIG. 3 is a system configuration diagram showing a schematic configuration of the taxi display device according to the present invention, and FIG. 4 is a RAM memory shown in FIG. FIG. 5A is a diagram showing an example of a map, FIG. 5A is a diagram showing a display example when the fee is 3 digits, and FIG. 5B is a diagram showing a display example when the fee is 5 digits. FIG. 5C is a view showing a display example when the charge is 7 digits, and FIG. 6 is a flowchart showing an example of an outline of the charge display process performed by the CPU of FIG.
[0014]
As shown in FIG. 2, a taxi generally includes a taximeter system. This taximeter system includes a taximeter 10 that displays taxi fare, and a taxi display device 20 that is externally attached to the taximeter 10 and displays taxi fare according to the tax system specific to the taxi company. Configured.
[0015]
The taxi meter 10 sets a basic fee until the passenger exceeds a specific basic mileage distance after riding in a taxi vehicle, and is set based on a fare system called a post-distance after the specific rent distance is exceeded. Each time the taxi vehicle passes, the rented distance (and the pseudo mileage calculated in accordance with the duration when driving at low speed) is set based on a so-called fare system. The taxi fee is calculated by adding the predetermined fee to the basic fee.
[0016]
As shown in FIG. 3, the taxi display device 20 includes a microcomputer (μCOM) 21 that operates according to a predetermined program. As is well known, the μCOM 21 includes a central processing unit (CPU) 21a that performs various processes and controls according to a predetermined program, a ROM 21b that is a read-only memory that stores programs for the CPU 21a, and various data. And a RAM 21c, which is a readable / writable memory having an area necessary for processing operations of the CPU 21a.
[0017]
The μCOM 21 includes a charge display unit 22 that can display dots, an operation unit 23 that allows the crew to perform various inputs, a power supply unit 24 that supplies power to the μCOM 21, the charge display unit 22, the operation unit 23, the taximeter 10, etc. The interface (I / F) unit 25 that enables connection between the device and the μCOM 21 is connected.
[0018]
Further, the RAM 21c of the μCOM 21 has a storage area for storing various information such as fee information C, display mode information M, and display position information P, as shown in FIG. Note that taxi fee data input from the taximeter 10 is stored in the fee information C. The display mode information M stores a display mode that determines the display size of the charge information C displayed on the charge display unit 22. The display position information P stores the display position when the charge information C is displayed in the charge display section 22 with the center in the digit direction.
[0019]
The fare display unit 22 uses a liquid crystal display with a backlight as a display element. As shown in FIG. 5, the fare information C indicating a taxi fare to be paid by the passenger, an empty car, an incoming car, a rent, an extra charge, and a payment It is possible to display the operation information S related to taxi operations such as the tariff state such as the dot display method. The fare display unit 22 can display a taxi fare of up to 7 digits, and displays the fare information C input from the CPU 21a of the μCOM 21 based on the display mode information M.
[0020]
Further, the display mode described above has a 3/4 digit mode, a 5/6 digit mode, and a 7 digit mode. In the 3/4 digit mode, for example, as shown in FIG. 5A, the charge information C is displayed on the charge display unit 22 with the size of each character of 3 digits or 4 digits 32 × 32 dots vertically and horizontally. . In the case of the 5/6 digit mode, for example, as shown in FIG. 5B, the charge information C is displayed on the charge display unit 22 in the size of 32 × 24 dots in the size of 5 or 6 digits. Is done. Further, in the case of the 7-digit mode, for example, as shown in FIG. 5C, the fee information C is displayed on the fee display unit 22 with the size of each character of 7 digits in 32 × 16 dots.
[0021]
The operation unit 23 has a plurality of tariff buttons (not shown) arranged on the front surface of the apparatus main body. This tariff button is a real car tariff button that is operated when a passenger rides on a taxi vehicle, an empty car tariff button that is operated when a user gets off the taxi vehicle, and the taxi vehicle picks up the user It has an incoming tariff button that is operated when going and a high speed tariff button that is operated when the taxi vehicle uses the expressway.
[0022]
The taxi meter 10 shown in FIG. 2 is connected to the I / F unit 25. Each time the taximeter 10 calculates a taxi fee by adding a predetermined fee to the basic fee, taxi fee data indicating this taxi fee is obtained. Is input to the μCOM 21 via the I / F unit 27.
[0023]
Next, an example of the outline of the charge display process performed by the CPU 21a of the taxi display device 20 described above will be described with reference to the flowchart of FIG. In the present embodiment, it is assumed that the charge display process is called from the upper module when updating charge information C displayed on the charge display unit 22.
[0024]
In FIG. 6, when the CPU 21a is activated by the supply of power from the power supply unit 24 and is called from the upper module, the tax information is acquired via the I / F unit 25 by executing the charge information fetching process in step S1. Taxi fare data input from 10 is stored as fare information C in the RAM 21c, and then the process proceeds to step S2.
[0025]
In step S2, based on the fee information C in the RAM 21c, it is determined whether or not the taxi fee displayed on the fee display unit 22 is 3 digits or 4 digits. If it is determined that the number is 3 digits or 4 digits (Y in step S2), the process proceeds to step S3. Then, in step S3, the 3/4 digit mode setting process is executed, whereby the 3/4 digit mode is set in the display mode information M of the RAM 21c, and the process proceeds to step S7.
[0026]
If it is determined in step S2 that the number of digits is not 3 digits or 4 digits (N in step S2), the process proceeds to step S4. Then, in step S4, it is determined whether or not the taxi fare displayed on the fare display unit 22 is 5 digits or 6 digits based on the fare information C in the RAM 21c.
[0027]
If it is determined in step S4 that the number of digits is 5 or 6 (Y in step S4), the process proceeds to step S5. In step S5, the 5/6 digit mode setting process is executed, so that the 5/6 digit mode is set in the display mode information M of the RAM 21c, and the process proceeds to step S7.
[0028]
If it is determined in step S4 that the number of digits is not 5 or 6 digits, that is, 7 digits (N in step S4), the process proceeds to step S6. In step S6, the 7-digit mode setting process is executed, so that the 7-digit mode is set in the display mode information M of the RAM 21c, and the process proceeds to step S7.
[0029]
In step S7, the display position setting process is executed, so that the charge information C is centered (centered) in the digit direction for each number of digits based on the display mode information M in the RAM 21c. The display position and display size at the time of display are stored in the display position information P of the RAM 21c, and then the process proceeds to step S8.
[0030]
In step S8, the charge information output process is executed, so that the charge information C and the display position information P in the RAM 21c are output to the charge display unit 22, and then return to the upper module. Then, the fee information C is displayed at the display position corresponding to the display position information P by the fee display unit 22 to which the fee information C and the display position information P are input.
[0031]
As described above, as is apparent from the fact that the number of digits of the taxi fare is determined in steps S2 and S4, the determination processing in steps S2 and S4 corresponds to the number of digits determination means. Further, as is clear from the fact that the display mode for determining the display size of the fee information is set in steps S3, S5, and S6, steps S3, S5, and S6 correspond to the setting means. Further, as apparent from the fact that the predetermined position fee information C of the fee display unit 22 corresponding to the number of digits is displayed in step S8, step S8 corresponds to the display means.
[0032]
Therefore, as is clear from the above description, the CPU 21a of the μCOM 21 functions as a digit number determination unit, a setting unit, and a display unit described in the claims.
[0033]
Next, an example of the operation (action) of the present embodiment configured as described above will be described below.
[0034]
After the passenger gets on the taxi vehicle, the tariff state of the taximeter 10 changes to the rented state, and taxi fee data indicating the basic fee is input from the taximeter 10 to the taxi display device 20 as shown in FIG. The charge display process shown is called. At this time, since the taxi fare data is 3 digits (Y in step S2), the 3/4 digit mode is set in the display mode information M of the RAM 21c (step S3). Then, the display size of each character according to the 3/4 digit mode is 32 × 32 dots in length and width, and for example, as shown in FIG. 5A, the charge information C is centered in the digit direction. Are displayed on the charge display unit 22 (steps S7 to S8).
[0035]
Thereafter, the taxi fare data updated every time the fare is added after the basic fare is exceeded in the taximeter 10 is input from the taximeter 10 to the taxi display device 20. The charge display process is called. If the number of digits in the input taxi fare data is 4 digits, the operation is the same as in the case of 3 digits, and the description is omitted.
[0036]
If the taxi fare data input to the taxi display device 20 is carried up to 5 digits or 6 digits (Y in step S4), the display mode information M in the RAM 21c is set to the 5 · 6 digit mode. (Step S5). Then, the display size of each character corresponding to the 5 · 6 digit mode is 32 × 24 dots vertically and horizontally, and for example, as shown in FIG. 5B, the charge information C is centered in the digit direction. Are displayed on the charge display unit 22 (steps S7 to S8).
[0037]
If the taxi fare data input to the taxi display device 20 is moved up to 7 digits (N in step S4), the 7-digit mode is set in the display mode information M of the RAM 21c (step S6). ). Then, the display size of each character corresponding to the 7-digit mode is 32 × 16 dots vertically and horizontally, and for example, as shown in FIG. 5C, the fee information C is centered (centered) in the digit direction, and the fee is charged. It is displayed on the display unit 22 (steps S7 to S8).
[0038]
As described above, when the number of digits of the taxi fare is determined by the CPU (digit number determination means) 21a, the charge information is displayed at a predetermined position of the charge display unit 22 according to the determination result. Is displayed. Therefore, since the display position of the charge information C displayed on the charge display section 22 can be set to the display position corresponding to the number of digits of the taxi fare, the display position of the charge information C on the charge display section 22 can be made variable. Can do.
[0039]
Therefore, even when the number of display digits of the taxi fare is small, the display space of the fare display unit 22 can be used effectively, so that the appearance of the display on the taxi display device 20 can be improved. Therefore, the visibility in the taxi display device 20 can be improved, and the commercial value can be increased.
[0040]
Moreover, since the charge information C displayed on the charge display unit 22 can be set to a different display size for each number of digits of the taxi fare, the display size is increased when the number of displayed digits of the taxi fare is small. By defining the mode, the display space of the charge display unit 22 can be used more effectively. Therefore, even when the number of digits of the taxi fare is small, the display space of the fare display unit 22 can be used effectively, so that the appearance of the display on the taxi display device 20 can be further improved.
[0041]
Furthermore, since the display position of the charge information C displayed on the charge display section 22 is almost in the center even if the number of digits of the taxi fare is different, the charge information C is displayed even when the number of digits of the taxi fare is small. It can be displayed in the center of the part 22. Therefore, even when the number of displayed digits of the taxi fare is small, the display space of the fare display unit 22 can be used effectively, so that the appearance of the display on the taxi display device 20 can be further improved.
[0042]
In the above-described embodiment, when the 7-digit charge information C can be displayed on the charge display unit 22, the display mode is set to the 3 / 4-digit mode, the 5 / 6-digit mode, and the 7-digit mode. Although the case where it comprises is demonstrated, this invention is not limited to this, It can be set as various different embodiments according to the number of digits which the charge display part 22 can display.
[0043]
For example, when the number of digits that can be displayed on the charge display unit 22 is 5, the display mode is configured as a 3-digit mode, a 4-digit mode, and a 5-digit mode. In the case of × 32 dots, 4-digit mode, the display size of each character is 32 × 24 dots vertically and horizontally, and in the case of 5-digit mode, the display size of each character is 32 × 16 dots vertically and horizontally, and the display size according to each display mode. The fee information C can also be displayed on the fee display unit 22.
[0044]
Moreover, although the case where a liquid crystal display is used for the charge display unit 22 has been described in the above-described embodiment, the present invention is not limited to this, and as described in the related art, the charge display unit 22. In addition, it is possible to use the number of digits that can display seven segment groups as the number display element to cause the segment information at the display position corresponding to the number of digits of the taxi fare to emit the fee information C.
[0045]
Further, in the above-described embodiment, the taxi display device 20 is described as an external device of the taximeter 10, but the present invention is not limited to this, and the taxi display device 20 is applied to the taximeter. You can also
[0046]
【The invention's effect】
As described above, according to the taxi display device of the present invention described in claim 1, the display position of the charge information displayed on the charge display unit can be set to the display position corresponding to the number of digits of the taxi charge. Therefore, the display position of the charge information in the charge display section can be made variable. In addition, since the charge information displayed on the charge display section can have a different display size for each number of digits in the taxi fare, the display mode is set to increase the display size when the number of displayed digits in the taxi fare is small. By defining, the display space of the charge display section can be used more effectively. Therefore, even when the number of display digits of the taxi fare is small, the display space of the fare display unit 22 can be used effectively, so that the appearance of the display on the taxi display device can be improved. Therefore, the visibility in the taxi display device can be improved and the commercial value can be increased.
[0047]
According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, the display position of the charge information displayed on the charge display section is almost the center position even if the number of digits of the taxi fare is different. Thus, even when the number of digits in the taxi fare is small, the fare information can be displayed in the center of the fare display section. Therefore, even when the number of display digits of the taxi fare is small, the display space of the fare display unit can be used effectively, so that the appearance of the display on the taxi display device can be further improved. Therefore, the visibility in the taxi display device can be further improved, and the commercial value can be increased.
[Brief description of the drawings]
FIG. 1 is a diagram showing a basic configuration of a taxi display device of the present invention.
FIG. 2 is a configuration diagram showing a configuration of a taximeter system.
FIG. 3 is a system configuration diagram showing a schematic configuration of a taxi display device according to the present invention.
4 is a diagram showing an example of a memory map of a RAM shown in FIG. 3. FIG.
5A is a diagram showing a display example when the fee is 3 digits, FIG. 5B is a diagram showing a display example when the fee is 5 digits, and FIG. 5C is a diagram showing a 7-digit fee. It is the figure which showed the example of a display in the case of.
6 is a flowchart showing an example of an outline of fee display processing performed by the CPU of FIG. 3;
[Explanation of symbols]
21a1 Digit number determination means (CPU)
21a2 Display means (CPU)
21a3 setting means (CPU)
22 Price display

Claims (2)

In a taxi display device that is mounted on a taxi and includes a charge display unit that displays charge information indicating the taxi charge,
The charge display unit is configured to display dots,
Digit number determination means for determining the number of digits of the taxi fare to be displayed on the fee display unit;
Display means for displaying the fee information at a predetermined position of the fee display unit according to the number of digits determined by the digit number determining means;
Setting means for setting a display mode for determining a display size of the fee information to be displayed on the fee display unit according to a determination result determined by the digit number determining unit;
Equipped with a,
The taxi display device , wherein the display means displays the fare information in the display size according to the display mode set by the setting means . 2. The taxi display device according to claim 1, wherein the predetermined position is a position in which the fee information is centered in a digit direction of the taxi fee .

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