EP0085904B1 - Verfahren zur Verbesserung der Weganpassung bei der Abnahme von elektronischen Taxametern - Google Patents

Verfahren zur Verbesserung der Weganpassung bei der Abnahme von elektronischen Taxametern Download PDF

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Publication number
EP0085904B1
EP0085904B1 EP83100749A EP83100749A EP0085904B1 EP 0085904 B1 EP0085904 B1 EP 0085904B1 EP 83100749 A EP83100749 A EP 83100749A EP 83100749 A EP83100749 A EP 83100749A EP 0085904 B1 EP0085904 B1 EP 0085904B1
Authority
EP
European Patent Office
Prior art keywords
distance
taximeter
pulse generator
register
switched
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.)
Expired
Application number
EP83100749A
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German (de)
English (en)
French (fr)
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EP0085904A3 (en
EP0085904A2 (de
Inventor
Jürgen Adams
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Digital Kienzle Computersysteme GmbH and Co KG
Original Assignee
Mannesmann Kienzle GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mannesmann Kienzle GmbH filed Critical Mannesmann Kienzle GmbH
Priority to AT83100749T priority Critical patent/ATE24246T1/de
Publication of EP0085904A2 publication Critical patent/EP0085904A2/de
Publication of EP0085904A3 publication Critical patent/EP0085904A3/de
Application granted granted Critical
Publication of EP0085904B1 publication Critical patent/EP0085904B1/de
Expired legal-status Critical Current

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07B—TICKET-ISSUING APPARATUS; FARE-REGISTERING APPARATUS; FRANKING APPARATUS
    • G07B13/00—Taximeters

Definitions

  • the invention relates to a method for adapting the path of electronic taximeters installed in vehicles, which have an arithmetic logic unit, a working memory, a system memory, a tariff data memory, a front-side command keyboard and a path pulse generator connected to the taximeter, and in which the path pulse generator is used to adapt the path can be connected to a register in such a way that when the vehicle is moving, path impulses corresponding to the distance covered on a test track or a roller test bench are fed into the register and this feed-in process is made visible on the display.
  • each taximeter is set by the manufacturer to a certain travel speed, i.e. it is assumed that, for example, a certain number of impulses are delivered by the travel sensor per 100 m travel path, which then represent the distance of 100 m. Due to the different gear ratios of the vehicles in which the taximeters are installed, the actual number of pulses that the encoder sends from the gearbox is not always identical to the standard pulse number to which the device is programmed by the manufacturer. It is therefore necessary to adapt the taximeter to the vehicle, i. H. So to the deviating from the norm encoder that delivers the vehicle-specific impulses. The switches already mentioned above were used for this, which were set to the exact value when the taximeter was accepted in the customer service workshop.
  • This setting was made due to the fact that the technician of the customer service workshop let the vehicle with the built-in taximeter roll over a test route of, for example, 100 m.
  • the pulses delivered by the pulse generator were counted and this value was set on the contacts on the back of the device, for example in converted form.
  • the taximeter was then provisionally sealed and the taxi driver had to drive the device to the calibration authority. There the process was repeated, i. H. the vehicle was rolled over the test track or run on a test bench, the impulses generated by the pulse generator being counted by a test device and compared with the setting of the taximeter.
  • the path pulse generator is to be connected to a register in such a way that, when the vehicle is rolling, path pulses are fed into a register in accordance with the path covered on a test track or a roller test bench, whereby this saving process is made visible on the display of the taximeter.
  • a separate path adaptation control device to the taximeter via a socket, which simultaneously causes the path pulse register and the display to be initially set to "zero". After the test section has been completed, the number of distance units is calculated in a single process divided by the number of pulses. The result of this is the path adaptation constant.
  • This path adaptation constant is set at several switches which are arranged in the taximeter housing and is transferred to the register for the path adaptation constant after completion of the path adaptation routine. Finally, the path adaptation control device is separated from the taximeter, whereby the adjustment circuit becomes ineffective and the taximeter is reset to its original mode of operation.
  • the object of the invention is to simplify the known methods of path adaptation.
  • the method according to the invention is characterized in that when the seal of the device accessible when the taximeter is installed is removed, a switch automatically switches the device into a test state, so that the aforementioned connection of the displacement pulse generator to the register is carried out by pressing a first key on the command keyboard, that is by pressing a second key on the command keyboard of the displacement pulse generator can be switched off again, the accumulated pulse value being stored at the same time so that it is ready for the path calculation in the operating state and that when the device is re-sealed, the test state is automatically canceled again and the operating state can be switched on again.
  • the value of the taximeter preset by the workshop can still be called up by pressing a key to display the value already set from the register and display it.
  • the calibration official can recognize the value to which the taximeter is set when it is activated by switching on the travel pulse perform the test with the taximeter and the vehicle.
  • the described method also makes it possible to drive through the test route several times in order to have the most accurate possible mean value and to make it available for further path calculation in the vehicle.
  • the electronic taximeter is provided with an arithmetic unit in the form of a microprocessor MC, with a system memory in the form of an electrically programmable fixed data memory in the form of an EPROM, and with a working memory in the form of a so-called random access memory (RAM).
  • a system memory in the form of an electrically programmable fixed data memory in the form of an EPROM
  • RAM random access memory
  • the taximeter also has a non-erasable constant memory for the tariff data TPROM. This is a memory in which constant values can be written once and which can then be read out of this memory, but if the data changes, for example if the tariff changes, an exchange of the memory is necessary.
  • the taximeter also has a command keyboard consisting of the keys T1 to T4, which act on contacts K1 to K4. Via a coding matrix C in the form of a diode matrix and gates G, the commands from this command keyboard can be transmitted both to the data bus B1 and to the address bus B2, which connect all of the modules MC, EPROM1, EPROM2, RAM and TPROM to one another.
  • a space for the sealing, in particular for the tariff data sealing PK, is also provided in the device in the form of a screw which connects the housing parts to one another.
  • This tariff data sealing PK actuates a switch K5.
  • the switch K5 is open when the seal is set, it is closed when the seal is not set.
  • the display AZ is connected to the arithmetic unit MC via an arrangement of amplifiers VM.
  • the amplifiers VM simultaneously multiplex the display AZ.
  • the arithmetic unit MC and the system memories EPROM1 and EPROM2 control the data and address flow on the bus lines B1 and B2, the RAM being used to record intermediate values when determining the fare as well as the so-called control counter data, for example the total km , the busy km, the number of journeys, the fares taken, etc.
  • the non-erasable constant memory for the tariff data TPROM records values such as basic amount in Taxe I, increment amount in Taxe I, increment distance in Taxe I, increment time in Taxe I, etc. If the taximeter has several tariff levels, the data for all these tariff levels are of course stored in this memory. What is involved in detail will be explained below.
  • FIG. 2 representing the front of this device.
  • the taximeter has a key strip TL, on which in this case four keys T1 to T4 are arranged which, as already explained for FIG. 1, act on four contacts K1 to K4.
  • three housing projections are arranged on the taximeter, of which the middle MV is used to attach a type plate, the two lateral LV and RV are used to attach two sealing screws PK and FK.
  • the housing protrusions LV and RV act like sealing bowls, i.e. the recesses in these projections LV and RV are filled with the seal.
  • the sealing screw FK is usually used to secure the device in the vehicle, while the sealing screw PK has the function of closing the housing and thus also the program, i. H. secure the tariff data against unauthorized access.
  • the sealing screw PK acts on the switch K5 according to FIG. 1, in that this switch is open when the sealing screw is set, but closed when the sealing screw is unscrewed.
  • the display window AF can be seen, which bears a front lettering sheet FS behind a transparent cover plate.
  • the front sheet FS has display windows AF1 and AF2, behind which normally, i.e. the operating status of the device, the fare and the surcharge are displayed by the electronic display elements of the display AZ.
  • the fare display AF1 has five digits and the surcharge display AF2 has four digits.
  • the upper part of the front document FS is provided with recesses through which a number of control displays LED are inserted, which are controlled in accordance with the system program memory EPROM1, EPROM2 in order to indicate the respective operating state of the taximeter.
  • the control displays LED are arranged relative to labeling fields AF3 to AF5, which can each be provided with the corresponding texts. So the display field AF3 with the inscription «Be drive ", the display panel AF4 with the label” Control counter “and the display panel AF5 with the label” Test ". In each of these three operating states, the control LEDs that surround this display panel AF3 to AF5 are switched on.
  • the display panel AF3 is, for example, by the Control indicators LED indicates when the taximeter is in its normal operating state, the display field AF4 when a control counter is queried, the display field AF5 «Test» when a test for the purpose of verification is to be carried out either by the installing workshop or by the verification authorities .
  • the switch K5 operated by the sealing screw PK is also queried (1) whether it is closed or not. If it is open, the main taximeter program continues. If it is closed, the test program is provided in accordance with FIG. 2, within which the buttons T1 and T2 are repeatedly queried as to whether they have been pressed or not, see steps 3 and 4. If the button T1 has been pressed, then the button is pressed in accordance with FIG The path adjustment value stored in the taximeter is called up and shown on the display AZ. This path adjustment value is normally stored in RAM. This value appears on the AF1 fare display after pressing the T1 key. At the same time, according to FIG.
  • an identification symbol is also scanned onto the supplementary display AF2 so that the operator knows what the value is.
  • the label P1 can be used in this program.
  • a control display is also switched on that the test program is being run. This control display is the four LEDs that surround the display field AF5, which also makes it clear to the outside that this is not the operating state but the test state.
  • the vehicle with the built-in taximeter can now be positioned either by the customer service technician or by the calibration officer either on the roller dynamometer or at the start marking of the test track.
  • the T2 button is pressed, which, as long as the vehicle is not running, only causes the displayed value to be deleted in accordance with 8, and readiness for pulse counting begins (5).
  • This state is indicated by a display P2 in the field AF 2, 9. Only when the vehicle then begins to roll, the displacement pulse generator WG emits pulses which are counted with the aid of the arithmetic unit MC and the EPROM1, the counting process taking place at the same time Display AZ is made visible, see step 10. As soon as the vehicle has passed the 100 m mark on the test track, the counting process is ended by pressing the T1 key.
  • the value accumulated in accordance with FIG. 10 is then transferred from the register of the arithmetic unit in FIG. 5 into the RAM, so that this value is now available for further calculation in the operating state of the taximeter. This state is connected to a display P3 in the display field AF2.
  • the count value that is displayed is cleared each time the T2 button is pressed, so that even when the vehicle is rolling, the path adjustment process can be initiated each time the T2 button is pressed, provided that the vehicle is in motion at the same time is and thus the path pulse generator delivers pulses.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)
  • Measuring Fluid Pressure (AREA)
EP83100749A 1982-02-09 1983-01-27 Verfahren zur Verbesserung der Weganpassung bei der Abnahme von elektronischen Taxametern Expired EP0085904B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83100749T ATE24246T1 (de) 1982-02-09 1983-01-27 Verfahren zur verbesserung der weganpassung bei der abnahme von elektronischen taxametern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3204404 1982-02-09
DE19823204404 DE3204404A1 (de) 1982-02-09 1982-02-09 Verfahren zur verbesserung der weganpassung bei der abnahme von elektronischen taxametern

Publications (3)

Publication Number Publication Date
EP0085904A2 EP0085904A2 (de) 1983-08-17
EP0085904A3 EP0085904A3 (en) 1984-08-22
EP0085904B1 true EP0085904B1 (de) 1986-12-10

Family

ID=6155158

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100749A Expired EP0085904B1 (de) 1982-02-09 1983-01-27 Verfahren zur Verbesserung der Weganpassung bei der Abnahme von elektronischen Taxametern

Country Status (5)

Country Link
EP (1) EP0085904B1 (enExample)
JP (1) JPS58195991A (enExample)
AT (1) ATE24246T1 (enExample)
DE (2) DE3204404A1 (enExample)
ES (1) ES8402960A1 (enExample)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3983378A (en) * 1973-03-30 1976-09-28 Kajaani Oy, Elektroniika Method and apparatus for measuring taxi fares
JPS559749B2 (enExample) * 1974-03-22 1980-03-12
JPS51118478A (en) * 1975-04-10 1976-10-18 Omron Tateisi Electronics Co Taxi-meter
GB1571085A (en) * 1975-12-15 1980-07-30 Heritier F Taximeters
US4217484A (en) * 1977-02-07 1980-08-12 Gerst William J Taximeter
GB1586557A (en) * 1977-06-13 1981-03-18 Western Eng Ltd Electronic taximeter
GB1598694A (en) * 1978-05-12 1981-09-23 Nixon Sa Meter systems
JPS56500511A (enExample) * 1979-04-11 1981-04-16

Also Published As

Publication number Publication date
JPS58195991A (ja) 1983-11-15
ES519625A0 (es) 1984-03-16
ATE24246T1 (de) 1986-12-15
EP0085904A3 (en) 1984-08-22
JPH0132557B2 (enExample) 1989-07-05
EP0085904A2 (de) 1983-08-17
DE3368333D1 (en) 1987-01-22
DE3204404A1 (de) 1983-08-11
ES8402960A1 (es) 1984-03-16

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