EP1221676A2 - Disque de stationnement automatique - Google Patents

Disque de stationnement automatique Download PDF

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Publication number
EP1221676A2
EP1221676A2 EP01830633A EP01830633A EP1221676A2 EP 1221676 A2 EP1221676 A2 EP 1221676A2 EP 01830633 A EP01830633 A EP 01830633A EP 01830633 A EP01830633 A EP 01830633A EP 1221676 A2 EP1221676 A2 EP 1221676A2
Authority
EP
European Patent Office
Prior art keywords
sensor
automatic parking
vehicle
disk according
parking disk
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.)
Withdrawn
Application number
EP01830633A
Other languages
German (de)
English (en)
Other versions
EP1221676A3 (fr
Inventor
Ermanno Bini Chiesa
Ernesto Bini Chiesa
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1221676A2 publication Critical patent/EP1221676A2/fr
Publication of EP1221676A3 publication Critical patent/EP1221676A3/fr
Withdrawn legal-status Critical Current

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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
    • G07C1/30—Parking meters
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/30—Individual registration on entry or exit not involving the use of a pass
    • G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
    • G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition

Definitions

  • the present invention relates to an automatic parking disk provided with a time measurement device, display means, and electronic control means that comprise sensor means suitable to determine the state of motion of the vehicle.
  • the current state of the art proposes devices that attempt to interpret the state of motion of the vehicle and to automatically display the parking start time when the vehicle is motionless.
  • these devices have considerable drawbacks that have significantly limited their diffusion. In particular, they require connections to the electric circuitry of the vehicle, making it accordingly complicated or at least inconvenient to perform their installation, which requires the intervention of a car electrician or of a specialist.
  • these devices are powered by the battery of the car and thus constantly consume energy intended for the primary functions of said vehicle.
  • Another drawback consists of the method for detecting the state of motion of the vehicle, which is based on the position of the ignition key or on the presence of people on board the vehicle.
  • the detection of people on board the vehicle which is usually performed by means of infrared sensors or heat detectors, does not necessarily correspond to the state of motion of the vehicle. Moreover, the sensor must be orientated so as to affect the body of the driver, with evident positioning constraints.
  • the aim of the present invention is therefore to overcome the above described problems, by providing an automatic parking disk that is capable of detecting correctly the state of motion of a vehicle and of automatically activating itself without requiring any manual intervention, said parking disk further overcoming the new problems that arise from the use of the automatic devices that constitute the current art.
  • an object of the present invention is to provide an automatic parking disk that requires no installation effort and no technical intervention on the vehicle on which it will be used.
  • Another object of the present invention is to provide an automatic parking disk that can be easily used by the user and does not require repeated time adjustments.
  • Another object of the present invention is to provide an automatic parking disk that is tough and accurate but has low costs.
  • an automatic parking disk which comprises a time measurement device, means for displaying the measured time, and electronic control means comprising sensor means for detecting the state of motion of a vehicle, characterized in that said display means display the current time if said sensor means indicate that the vehicle is moving, the time when the vehicle was stopped if said sensor means indicate that the vehicle is motionless, and in that the electronic control means activate freezing of the display after a time t1 for verifying the motionless state of the vehicle, and activate unfreezing of the display after a time t2 for verifying the state of motion of the vehicle.
  • the display means comprise a liquid-crystal digital screen and can display the measured time both from the outside and optionally from the inside.
  • the sensor means can comprise a ceramic piezoelectric sensor, particularly a barium titanate sensor formed by two mutually opposite elements of the bimorph type or by a cylindrical or disk-like body, which is inserted in a window formed by milling inside a printed circuit, with which it is rigidly coupled by soldering, and can be calibrated according to the type of vehicle.
  • a ceramic piezoelectric sensor particularly a barium titanate sensor formed by two mutually opposite elements of the bimorph type or by a cylindrical or disk-like body, which is inserted in a window formed by milling inside a printed circuit, with which it is rigidly coupled by soldering, and can be calibrated according to the type of vehicle.
  • the freezing and unfreezing of the display occur after a certain period of time that is suitable to assuredly determine the state of motion of the vehicle.
  • the variation of the state of the vehicle from "motionless” to “moving” is determined when the sensor detects one or more pulses for a first predefined number of consecutive timeslots and the variation of the state of motion of the vehicle from "moving" to “motionless” is determined when no pulses are detected for a second number of consecutive timeslots.
  • the automatic parking disk comprises means for resetting and adjusting the current time or alternatively means for automatic time adjustment controlled by a radio-frequency time signal.
  • the automatic parking disk can be accommodated in a slider-like support fixed to the windshield of the vehicle or in another convenient point.
  • the automatic parking disk is advantageously provided with autonomous power supply means, for example one or more 1.5- or 3-volt silver oxide batteries.
  • the automatic parking disk is constituted by electronic control means 100 that are connected to a time measurement device 110, means 120 for displaying the measured time, power supply means 130, adjustment means 140, and sensor means 150.
  • the operation of the device is as follows.
  • the automatic parking disk is initially activated by connecting appropriate power supply means 130, for example one or more batteries, and is adjusted by acting on the adjustment means 140 until the screen 120 indicates the correct time. At this point, the automatic parking disk can be positioned behind the windshield or in another appropriate place without requiring any further manual intervention.
  • the electronic control means 100 are programmed so as to freeze the digits displayed by the display means 120 on the time when parking begins, which coincides with the moment in which the vehicle stops. For this purpose, a signal is periodically generated by the sensor means 150; interpretation of this signal determines the state of motion of the vehicle, which can be moving or motionless.
  • the screen 120 displays, in the form of hours 121 and minutes 122, the current time measured by the device 110.
  • the electronic control means 100 freeze the screen 120 on the value displayed at that moment.
  • the device has been studied for internal application to the front window of a vehicle, although obviously a different placement, such as for example on the dashboard or laterally in a visible position allowed by the road code, is fully equivalent and irrelevant for the purposes of the invention.
  • the device has a styling which, although not being essential for the purposes of operation, attracts attention to its function as a parking disk, which is highlighted by means of its color, by means of screen-printing and by means of the size of the digits.
  • the parking disk 200 can be fixed directly to the window of the vehicle, in the embodiment described here it can be inserted in a slider-like support 210 that allows to view the time from outside and at the same time allows to intervene easily on the device to adjust the time.
  • the body of the parking disk 200 is substantially constituted by two molded trapezoidal plastic parts that close with a snap action and support the printed circuit that bears the electronic components and the display means 120, whose screen, designated here by the same reference numeral, comprises at least four digits for displaying the time, understood in particular as hours 121, in 12-hour or 24-hour mode, and minutes 122.
  • the device has in its front part hour adjustment buttons 143, minute adjustment buttons 144, a "forward" button 141 and a "back” button 142. These buttons are not visible from outside and can be actuated only by removing the clock from the slider-like support so as to avoid their accidental use.
  • Correct time setting occurs as follows: while keeping pressed the hour button 143 or the minute button 144, one acts simultaneously on the "forward" button 141 or “back” button 142 in order to cause the hours or minutes to increase or decrease. When the buttons are released, the new value that has been reached is stored. If malfunctions in the electronic circuits become apparent, a small hole 145 allows to reset the clock by acting for example with a pointed object.
  • a radio-frequency receiver is used to receive the exact time from any time signal provider. In this manner, time adjustment occurs fully automatically at the rates dictated by the time signal supplier and the buttons 143 and 144 are omitted.
  • the slider-like support 210 shown in Figure 2 is also molded from plastics and has low thicknesses and great elasticity of its structure, which allow it to adapt easily to the different curvatures of windshields or other curved surfaces of the various vehicles for which it is intended.
  • Two raised sides 211 are provided with teeth 212, shown in Figure 2 only on one of the two sides, on which the main body 200 of the automatic parking disk engages; by sliding in a slider-like fashion with a short stroke, said body effectively locks into an appropriately provided seat 213 that is preferably spherical and raised.
  • a window 214 for viewing the digits shown on the screen 120 of the parking disk.
  • a screen-printed film, coated with adhesive on both surfaces, allows bonding to the front part of the support and application to the window of the vehicle.
  • a significant part of the invention resides in the electronic system for freezing and unfreezing the time display and in the sensor means 150, which are capable of controlling the state of motion of the vehicle.
  • these means preferably use a barium titanate ceramic piezoelectric sensor 151, formed by two mutually opposite elements of the bimorph type with high sensitivity and conveniently mass-calibrated, which detect the microvibrations induced in the structure by the running engine and/or by the motion of the vehicle.
  • commercially available bimorph sensors have a range of maximum sensitivity that can vary substantially, for example between 0.1 and 300 hertz.
  • a sensor has been used with frequency values between 0.5 and 50 hertz and acceleration values between 0.1 and 20 g along a substantially vertical axis of motion that lies at right angles to the direction of motion of the vehicle.
  • the mass 155 fixed to the bimorph elements is preferably cylindrical, with a diameter of 4 mm.
  • the bimorph sensor 151 is replaced with a cylindrical or disk-like piezoelectric sensor 160 constituted by a main metal layer, preferably made of brass and with a diameter of 27 mm, on which there is a second ceramic circular layer which is rigidly coupled thereto and preferably has a diameter of 20 mm, and by a counterweight 161, which is also rigidly coupled to the metallic body and is arranged on the opposite base.
  • the counterweight 161 is shaped like a half washer that preferably has a weight of 4 grams.
  • the senor 151 is inserted in a window 152 obtained by milling in a printed circuit 153, with which it is rigidly coupled by a tin soldering 154 used for the electrical connections of the signal.
  • the dimensions of the seat therefore allow a predefined maximum movement, for example of ⁇ 0.25 mm in a substantially vertical direction, allowing the assembly to withstand without damage violent impacts and sudden decelerations.
  • the ceramic element practically has no yield in a horizontal direction. In this case, by using a single mobility axis, one obtains a device that has particular constructive simplicity, robustness and a very low cost. Obviously, it would be fully equivalent for the person skilled in the art to replace the single-mobility sensor with other sensors on different axes in order to detect in a different manner the movement of the vehicle or the running-engine condition.
  • the figure also highlights the presence of an amplifier 105 with high input impedance for detecting the charges generated by the piezoelectric sensor or by the sensor means 150 in general.
  • the amplification functions where necessary, can of course be incorporated into the ASIC itself.
  • the automatic parking disk is completely self-powered and is characterized by very low current consumption.
  • the power supply means 130 can be constituted for example by one or more 1.5-volt silver oxide batteries, such as the model identified by the code LR44, allowing a life of more than 2-3 years.
  • the need to replace the battery is indicated on the display 120 by activating an appropriate message, for example "BATT".
  • the time measurement device is based on a quartz whose oscillation frequency is 32.768 kHz, capable of ensuring precision and stability with errors of less than one minute per month.
  • the ":" symbol 123 On the display 120 there is also the ":" symbol 123, which separates the hours 121 and the minutes 122, and is made to blink at the rate of one beat per second.
  • the output of the amplifier 105 for the charge generated by the piezoelectric sensor 151 is connected to a voltage comparator inside the ASIC 100.
  • the threshold value of the comparator which determines a greater or smaller sensitivity to vibrations, is adjustable over a preset range of values, for example 1 to 10, by means of the "forward" button 141 and the "back” button 142, described earlier with reference to the time setting function. Operating these buttons individually, i.e. without acting also on the "hours” button 143 and the “minutes” button 144, changes the sensitivity, which is initially preset to an intermediate value, for example 5, that is normally suitable to all vehicles. This feature has been introduced to support some particular situations: some particularly heavy or very quiet vehicles may in fact require a different adjustment of the sensitivity of the sensor. In order to facilitate adjustment, whenever the sensitivity is changed the new set value is shown on the display 120 for a few seconds.
  • the operation of the automatic parking disk is therefore as follows.
  • the signal generated by the sensor 151 drops below the above mentioned comparison threshold, and the detected pulse density decreases sharply.
  • the time display is frozen after a certain period, for example 30 seconds, during which no more than a certain number of pulses, for example 15, must be detected. Once this condition has been ascertained, the time on the display 120 is frozen.
  • the check is performed for another preset time period, for example 60 seconds, during which a certain number of pulses, for example 50, must be accumulated.
  • An operation that is particularly effective for checking the state of motion of the vehicle is obtained by using the method shown in Figure 6, i.e., by programming the microprocessor so as to act on timeslots with a duration extent T, where T is preferably equal to 8 seconds.
  • Detection on the part of the sensor of one or more pulses in three consecutive timeslots, for a total of 3T seconds, indicates that the vehicle is moving.
  • the vehicle is considered motionless when no pulse is detected for a given number of consecutive timeslots.
  • the time is not visible inside the cabin; however, it is possible to display the time internally as well, simply by adding a second display on the rear side of the device, directed toward the inside of the cabin.
  • the present automatic parking disk can be provided with a different type of time display, for example even with a device of the analog type, and that the means for fixing the parking disk to the windshield can be of any type that allows to display parking start time clearly and in a way that is easily visible from outside.
  • the protective scope of the claims therefore must not be limited by the illustrations or by the preferred embodiments given in the description by way of example, but rather the claims must comprise all the characteristics of patentable novelty that can be deduced from the present invention, including all the characteristics that would be treated as equivalent by the person skilled in the art.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
  • Traffic Control Systems (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP01830633A 2000-10-11 2001-10-08 Disque de stationnement automatique Withdrawn EP1221676A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2000MI002196A IT1318996B1 (it) 2000-10-11 2000-10-11 Disco orario automatico dotato di mezzi sensoriali per il rilevamentodello stato di movimento di un veicolo
ITMI002196 2000-10-11

Publications (2)

Publication Number Publication Date
EP1221676A2 true EP1221676A2 (fr) 2002-07-10
EP1221676A3 EP1221676A3 (fr) 2003-10-08

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ID=11445944

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01830633A Withdrawn EP1221676A3 (fr) 2000-10-11 2001-10-08 Disque de stationnement automatique

Country Status (2)

Country Link
EP (1) EP1221676A3 (fr)
IT (1) IT1318996B1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6697714B1 (en) 1999-06-08 2004-02-24 Cartime Aps Device for displaying the time of parking of a vehicle
WO2004114225A1 (fr) * 2003-06-25 2004-12-29 Bent Neubauer Holding Aps Disque de stationnement électronique
WO2009155933A1 (fr) * 2008-06-27 2009-12-30 Bent Neubauer Holding Aps Disque de stationnement électronique comprenant des moyens de détection de mouvement
WO2010131059A1 (fr) * 2009-05-12 2010-11-18 Nedit Aps Disque de stationnement automatique
CN103514664A (zh) * 2012-06-14 2014-01-15 索尼公司 停车计费的实现装置、系统和方法
DK178684B1 (en) * 2016-04-08 2016-11-07 S A Invest Aps Electronic parking disc
US9520004B2 (en) 2008-06-27 2016-12-13 Bent Neubauer Holding Aps Electronic parking disc
DK178975B1 (da) * 2014-07-29 2017-07-17 S A Invest Aps Elektronisk p-skive
DK201670925A1 (en) * 2016-11-21 2017-08-14 Gopark Aps Automatic parking disc
IT201800004310A1 (it) * 2018-04-09 2019-10-09 Ennio Panella Parcometro digitale per autoveicoli

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851596A1 (de) * 1978-11-29 1980-06-12 Dettwiler Hans Parkuhr fuer die verwendung bei kraftfahrzeugen
EP0146664A1 (fr) * 1983-12-27 1985-07-03 Martial Racine Appareil individuel de contrôle de la durée de stationnement
DE3618997A1 (de) * 1986-06-05 1987-12-10 Fischer Reinhold Zeitanzeigevorrichtung in form einer parkscheibe
DE3640589A1 (de) * 1986-11-27 1988-06-01 Gerhard Toeter Vorrichtung im fahrzeug zur ermittlung und anzeige der geparkten zeit mit parkzeitzuordnung
DE9409485U1 (de) * 1993-06-15 1994-11-17 Wandschneider Ingeborg Vorrichtung zum Anzeigen des Beginns der Parkzeit
US5797107A (en) * 1996-10-04 1998-08-18 Berg; Eric A. Equipment utilization detector
EP0932044A1 (fr) * 1997-07-11 1999-07-28 Matsushita Electronics Corporation Dispositif piezo-electrique dimorphe destine a un capteur d'acceleration et procede de fabrication associe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2851596A1 (de) * 1978-11-29 1980-06-12 Dettwiler Hans Parkuhr fuer die verwendung bei kraftfahrzeugen
EP0146664A1 (fr) * 1983-12-27 1985-07-03 Martial Racine Appareil individuel de contrôle de la durée de stationnement
DE3618997A1 (de) * 1986-06-05 1987-12-10 Fischer Reinhold Zeitanzeigevorrichtung in form einer parkscheibe
DE3640589A1 (de) * 1986-11-27 1988-06-01 Gerhard Toeter Vorrichtung im fahrzeug zur ermittlung und anzeige der geparkten zeit mit parkzeitzuordnung
DE9409485U1 (de) * 1993-06-15 1994-11-17 Wandschneider Ingeborg Vorrichtung zum Anzeigen des Beginns der Parkzeit
US5797107A (en) * 1996-10-04 1998-08-18 Berg; Eric A. Equipment utilization detector
EP0932044A1 (fr) * 1997-07-11 1999-07-28 Matsushita Electronics Corporation Dispositif piezo-electrique dimorphe destine a un capteur d'acceleration et procede de fabrication associe

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6697714B1 (en) 1999-06-08 2004-02-24 Cartime Aps Device for displaying the time of parking of a vehicle
WO2004114225A1 (fr) * 2003-06-25 2004-12-29 Bent Neubauer Holding Aps Disque de stationnement électronique
EA009597B1 (ru) * 2003-06-25 2008-02-28 БЕНТ НОЙБАУЭР ХОЛДИНГ АпС Электронный указатель времени начала парковки
US7464871B2 (en) 2003-06-25 2008-12-16 Bent Neubauer Holding Aps Electronic parking disc
US9520004B2 (en) 2008-06-27 2016-12-13 Bent Neubauer Holding Aps Electronic parking disc
CN102077252B (zh) * 2008-06-27 2014-05-07 本特纽鲍尔控股有限公司 包括移动检测装置的电子停车盘
US20110109474A1 (en) * 2008-06-27 2011-05-12 Bent Neubauer Holding Aps Electronic parking disc
WO2009155933A1 (fr) * 2008-06-27 2009-12-30 Bent Neubauer Holding Aps Disque de stationnement électronique comprenant des moyens de détection de mouvement
EA022651B1 (ru) * 2008-06-27 2016-02-29 БЕНТ НОЙБАУЭР ХОЛДИНГ АпС Электронный парковочный диск со средствами обнаружения движения
CN102439633B (zh) * 2009-05-12 2014-07-09 Needit有限责任公司 自动停车盘
WO2010131059A1 (fr) * 2009-05-12 2010-11-18 Nedit Aps Disque de stationnement automatique
AU2009346171B2 (en) * 2009-05-12 2013-01-17 Needit Aps Automatic parking disc
US20120173198A1 (en) * 2009-05-12 2012-07-05 Klaus Larsen Automatic Parking Disc
CN103514664A (zh) * 2012-06-14 2014-01-15 索尼公司 停车计费的实现装置、系统和方法
CN103514664B (zh) * 2012-06-14 2015-12-09 索尼公司 停车计费的实现装置、系统和方法
DK178975B1 (da) * 2014-07-29 2017-07-17 S A Invest Aps Elektronisk p-skive
DK178684B1 (en) * 2016-04-08 2016-11-07 S A Invest Aps Electronic parking disc
DK201670925A1 (en) * 2016-11-21 2017-08-14 Gopark Aps Automatic parking disc
DK179009B1 (en) * 2016-11-21 2017-08-14 Gopark Aps Automatic parking disc
IT201800004310A1 (it) * 2018-04-09 2019-10-09 Ennio Panella Parcometro digitale per autoveicoli

Also Published As

Publication number Publication date
ITMI20002196A0 (it) 2000-10-11
IT1318996B1 (it) 2003-09-19
EP1221676A3 (fr) 2003-10-08
ITMI20002196A1 (it) 2002-04-11

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