JP3401159B2 - Taxi meter - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a taxi meter for calculating a taxi fare based on a mileage and a traveling time of a taxi.

[0002]

2. Description of the Related Art A taxi meter calculates a taxi fare based on a mileage of a taxi and a travel time measured by a clock unit. The calculated taxi fare is, for example, cash, a prepaid card, a postpaid card, or the like. Is being settled in.

FIG. 5 shows a mounting arrangement of a conventional taximeter. As shown in FIG. 5, an instrument panel 31 is provided on the front left side of the driver, and the taxi meter 35 described above is provided on the instrument panel 31.
Are arranged. Instrument panel 3
A printer 37 for printing the taxi fare calculated by the taxi meter 35 is arranged at 1.

Further, the taxi meter 35 has a charge display section 39 for displaying a taxi charge as shown in FIG.
The size of the charge display unit 39 is, for example, 30 mm × 180 mm
Is.

[0005]

However, conventional taximeters are only sized to fit on an instrument panel or dashboard. That is, since the space around the instrument panel is limited, the charge display section 39 is 50 mm x 18 mm in particular.
Nothing was over 0 mm in size. For this reason, because of the small size, the taxi fare displayed was difficult for the elderly and people with poor eyesight to see.

[0006] It is an object of the present invention to provide a taxi meter which makes it easy for the elderly and people with poor eyesight to see the displayed taxi fare.

[0007]

The present invention adopts the following means in order to solve the above problems. The invention of claim 1 is
It is located in front of the meter body and the fare calculation section that calculates taxi fare based on the mileage and travel time of the taxi.
A first fare display section for displaying the taxi fare calculated by the fare calculation section, and a first fare display section arranged on the upper surface of the meter body and
Located opposite the front window of one taxi,
E Bei and a second fee display unit to enlarge displayed on the front window taxi fare displayed and displays the taxi fare calculated by the charge calculation unit, wherein
The second charge display section receives a light source and light from the light source.
The taxi fare calculated by the fare calculator
A liquid crystal display device to negative display, said liquid crystal display device
Before guiding the light transmitted through the character part to the front window
Enlarge the taxi fare on the front window
A light guide unit, wherein the light source is the first charge display unit.
And irradiating the liquid crystal display element .

According to the present invention, when the fare calculation unit calculates the taxi fare based on the mileage and the travel time of the taxi, the first fare calculation unit displays the calculated taxi fare. In the second charge display section , the liquid crystal display element
Taxi calculated by the charge calculation unit by receiving light from the light source
If the charge is negatively displayed in the text, the light guide will
The light transmitted through the character part of the child is guided to the front window.
The taxi fare is enlarged and displayed on the front window, so that the displayed taxi fare can be easily seen by the elderly and people with poor eyesight. In addition, the light source is placed in front of the meter body.
Was placed on the top of the first charge display and meter body
Since the liquid crystal display element is illuminated, the light source is
Since it is also used as a liquid crystal display element, it is inexpensive.

According to the invention of claim 2, when a payment button for instructing payment of a taxi fare and a signal from the payment button are input, the taxi fare calculated by the fare calculation unit is added to the second fare. It is characterized by including a charge display control unit for outputting to a display unit.

According to the present invention, when the driver presses the payment button, the fare display control unit inputs a signal from the payment button and outputs the taxi fare calculated by the fare calculation unit to the second fare display unit. Therefore, the second fare display unit enlarges and displays the taxi fare on the front window. That is, the taxi fare is enlarged and displayed on the front window only when the payment button is pressed, and the taxi fare is not enlarged and displayed on the front window during traveling, so that the front can be easily seen while traveling.

[0011]

[0012]

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of a taximeter of the present invention will be described in detail with reference to the drawings. FIG. 1 shows a configuration block diagram of a taximeter according to an embodiment of the present invention. A taximeter 1 shown in FIG. 1 includes a central processing unit (hereinafter referred to as CPU) 11, a clock unit 12, a charge display unit 13 as a first charge display unit, a memory 14, and a second charge unit.
Head-up display unit 1 as a charge display unit
5 and a payment button 25.

The clock unit 12 counts the time from when the passenger gets on and the taxi runs. CPU11
Composes a fare calculation unit, and calculates a taxi fare based on the traveling time measured by the clock unit 12 and the mileage of a taxi. The charge display unit 13 displays the taxi charge calculated by the CPU 11, and is, for example, a light emitting diode, a liquid crystal display element (hereinafter referred to as LCD), or the like. The memory 14 stores taxi fare information and other information calculated by the CPU 11.

The head-up display unit 15 is a CP
The taxi fare information calculated in U11 is input, the taxi fare information is negatively displayed, and the taxi fare information is displayed on the front window 23.

FIG. 2 shows an external view of the taximeter 1 including the charge display section 13 and the head-up display section 15. As shown in FIG. 2, the taximeter 1 includes a front portion 1a and a rear portion 1b, a charge display portion 13 is arranged in front of the front portion 1a, and a head-up display portion 15 is arranged on the upper surface of the front portion 1a. It is arranged.

Head-up display section 1 shown in FIG.
FIG. 3 is a perspective sectional view of the device 5 viewed from the direction A. The head-up display unit 15, as shown in FIG.
7. Negative type LCD 1 placed on the light source 17
9. It has a front glass 21 arranged on the negative type LCD 19.

The light source 17 illuminates the negative type LCD 19 and the fee display section 13. The negative type LCD 19 receives light from the light source 17, inputs the taxi fare calculated by the CPU 11, and negatively displays the taxi fare on the character portion 20 provided on the surface.

FIG. 4 shows the mounting arrangement of the taximeter 1. The taximeter 1 is arranged on the instrument panel 31, and the head-up display unit 15 is arranged so as to face the front window 23. Therefore, the front glass 21 is the negative type LCD 1
The light transmitted through the character portion 20 of 9 is the front window 23
The taxi fare is displayed on the front window 23 by leading to. The instrument panel 31 is provided with a printer 37 that prints taxi charges calculated by the taxi meter 1.

The payment button 25 is pressed when paying a taxi fare. The CPU 11 constitutes a charge display control unit, and upon receiving a signal from the payment button 25, outputs the calculated taxi charge to the negative type LCD 19.

Next, the operation of the taxi meter of the embodiment configured as described above will be described. First, when the passenger gets on the board, the time is counted by the clock unit 12. That is, the CPU 11 starts calculating the taxi fare,
Based on the mileage data and the time data from the clock unit 12, the end of the first fare, the fare addition per mileage, the fare addition per time, etc. are calculated. And C
The taxi fare calculated by the PU 11 is displayed on the screen of the fare display unit 13.

Further, when the passenger reaches the destination and gets off, the payment button 25 is pushed. Then, the CPU 11
The calculation of the taxi fare due to is stopped, and the total payment of the taxi fare is displayed on the screen of the fare display unit 13.

On the other hand, when the CPU 11 inputs a signal from the payment button 25, it outputs the total payment of taxi fare to the negative type LCD 19. Negative type LCD 19
Receives light from the light source 17, inputs the total taxi fare payment calculated by the CPU 11, and negatively displays the total taxi fare payment in the character portion 20.

Further, the head-up display section 15
Is arranged to face the front window 23, the negative type LCD 19 guides the light transmitted through the character portion 20 to the front window 23 through the space through the front glass 21 and pays the taxi fare to the front window 23. Display the total. The total payment 27 of the taxi fare is enlarged and displayed on the front window 23 as 800 yen, for example, as shown in FIG.

That is, since the degree of freedom in display (size and content) is expanded, the displayed taxi fare can be easily seen even by an elderly person or a person with poor eyesight. Further, since the light source 17 is also used as the charge display portion 13 and the negative type LCD 19, the cost is not so high. In addition, the taxi fare will be charged on the front window 2 only when the payment button 25 is pressed.
3 is enlarged and displayed, and the taxi fare is not enlarged and displayed on the front window 23 during traveling, so that the front can be easily seen while traveling.

Although the front glass 21 is used in the embodiment, a convex lens may be used instead of the front glass 21. If this convex lens is used, the taxi fare from the negative type LCD 19 will be expanded and the front window 23
The effect is significant because it is displayed in. Furthermore, a convex lens and a concave lens may be used in combination.

[0027]

According to the present invention, when the fare calculation unit calculates the taxi fare based on the mileage and the traveling time of the taxi, the first fare calculation unit displays the calculated taxi fare. In the second charge display section , the liquid crystal display element
Taxi calculated by the charge calculation unit by receiving light from the light source
If the charge is negatively displayed in the text, the light guide will
The light transmitted through the character part of the child is guided to the front window.
The taxi fare is enlarged and displayed on the front window, so that the displayed taxi fare can be easily seen by the elderly and people with poor eyesight. In addition, the light source is placed in front of the meter body.
Was placed on the top of the first charge display and meter body
Since the liquid crystal display element is illuminated, the light source is
Since it is also used as a liquid crystal display element, it is inexpensive.

When the driver pushes the payment button, the fare display control unit inputs a signal from the payment button and outputs the taxi fare calculated by the fare calculation unit to the second fare display unit. The taxi fare is enlarged and displayed on the front window by the fare display section 2. That is, the taxi fare is enlarged and displayed on the front window only when the payment button is pressed, and the taxi fare is not enlarged and displayed on the front window during traveling, so that the front can be easily seen while traveling.

[Brief description of drawings]

FIG. 1 is a configuration block diagram showing a taximeter according to an embodiment of the present invention.

FIG. 2 is an external configuration diagram of a taximeter including a charge display unit and a head-up display unit.

FIG. 3 is a perspective sectional view of the head-up display section as viewed from the direction A in FIG.

FIG. 4 is a diagram showing a mounting arrangement of the taximeter of the embodiment.

FIG. 5 is a view showing a mounting arrangement of a conventional taximeter.

FIG. 6 is a view showing a charge display portion of a conventional taximeter.

[Explanation of symbols]

1 taximeter 11 CPU 12 Clock department 13 Charge display 14 memory 15 Head-up display section 17 Light source 19 Negative type LCD 20 characters 21 front glass 25 payment button 31 Instrument panel 37 Printer

─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-50-71347 (JP, A) JP-A-62-221928 (JP, A) Actual opening Flat 5-16453 (JP, U) Actual opening Sho- 60- 180076 (JP, U) Actually open 63-48277 (JP, U) Actually open 6-5268 (JP, U) Actually open 48-8259 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) G07B 13/00 G01D 7/00 B60K 35/00

Claims (2)

(57) [Claims] 1. A fare calculation unit that calculates a cab fare based on a mileage and a travel time of a taxi, and a first fare display unit that is arranged in front of the meter body and that displays the taxi fare calculated by the fare calculation unit. A taxi fare arranged on the upper surface of the meter body and facing the front window of the taxi, displaying the taxi fare calculated by the fare calculator and enlarging and displaying the displayed taxi fare on the front window. e Bei and 2 charges the display unit, wherein the second fee display unit includes a light source, calculated by the charge calculation section receives light from the light source
A liquid crystal display element for negatively displaying the taxi fare in the character portion, and the light transmitted through the character portion of the liquid crystal display element
Leading to the front window
A light guide unit for displaying an enlarged charge, wherein the light source includes the first charge display unit and the liquid crystal display element.
A taximeter that illuminates a child . 2. A payment button for instructing payment of a taxi fare, and when a signal from this payment button is input, a taxi fare calculated by the fare calculation unit is output to the second fare display unit. The taximeter according to claim 1, further comprising a control unit.