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WO2002082117A1 - Device for displaying current speed - Google Patents

Device for displaying current speed Download PDF

Info

Publication number
WO2002082117A1
WO2002082117A1 PCT/EP2002/002274 EP0202274W WO02082117A1 WO 2002082117 A1 WO2002082117 A1 WO 2002082117A1 EP 0202274 W EP0202274 W EP 0202274W WO 02082117 A1 WO02082117 A1 WO 02082117A1
Authority
WO
WIPO (PCT)
Prior art keywords
location
current speed
speed
current
memory
Prior art date
Application number
PCT/EP2002/002274
Other languages
German (de)
French (fr)
Inventor
Stephan Augustin
Original Assignee
Bayerische Motoren Werke
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 Bayerische Motoren Werke filed Critical Bayerische Motoren Werke
Publication of WO2002082117A1 publication Critical patent/WO2002082117A1/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/04—Details
    • G01S1/047—Displays or indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves

Definitions

  • the invention relates to a device for displaying the current speed.
  • Such devices in the form of tachometers are generally known.
  • the length of a distance traveled is preferably measured mechanically or electromechanically and related to the duration in which this distance is covered. This requires a odometer.
  • the invention has for its object to provide a device of the type mentioned, in which the speed can be determined without a odometer.
  • the invention solves this problem with the means of claim 1.
  • the speed is derived from the change in location, which in turn is determined with the help of GPS signals.
  • a mobile transponder contains a GPS receiver, a memory for GPS signals and a computing unit. The information about the previous location provided by the GPS receiver is stored in the memory. The change in location over time is determined from the information about the current location and the time elapsed in between. The preferably optical display shows the current speed.
  • the transponder can be integrated in a wristwatch.
  • this offers the advantage of being able to easily call up the desired speed information on the wrist.
  • the previous location can be saved arbitrarily.
  • the advantage of this is that the user always knows exactly how to evaluate the speed display, namely the speed at which he is moving away from that of removed it from a certain point of departure.
  • This can be, for example, the position in which the transponder is located for a long time without changing its position. Suppose the user is at rest. He is not moving. The transponder "recognizes" this by maintaining a location for a longer period of time. If there is a change in position, the transponder also recognizes this.
  • the display can also be made arbitrarily. This results in a minimization of the energy requirement necessary for the display
  • a mobile transponder which contains the GPS receiver and a memory for GPS data (not shown), is integrated in a wristwatch 1.
  • An antenna 2 sits in a bracelet 3 and receives the GPS data transmitted by the GPS satellites.
  • the displays 6 and 7 show the current speed of the owner of the watch in the form of a number or a marked field.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electric Clocks (AREA)

Abstract

The invention relates to a device for displaying current speed. Said device is characterised by a mobile transponder, which contains a GPS receiver, a memory for GPS signals and a computational unit, and a preferably optical display. The computational unit compares the information concerning the current location that is supplied by means of the GPS receiver with information concerning a preceding location that is contained in the memory, determines the current speed from the temporal change of location and displays said speed.

Description

Vorrichtung zur Anzeige der aktuellen Geschwindigkeit Device for displaying the current speed
Die Erfindung bezieht sich auf eine Vorrichtung zur Anzeige der aktuellen Geschwindigkeit.The invention relates to a device for displaying the current speed.
Derartige Vorrichtungen in Form von Tachometern sind allgemein bekannt. Dabei wird die Länge einer zurückgelegten Wegstrecke vorzugsweise mechanisch oder elektromechanisch gemessen und in Bezug gesetzt zur Dauer, in der diese Wegstrecke zurückgelegt wird. Voraussetzung dafür ist ein Wegmesser.Such devices in the form of tachometers are generally known. The length of a distance traveled is preferably measured mechanically or electromechanically and related to the duration in which this distance is covered. This requires a odometer.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs genannten Art zu schaffen, bei der die Geschwindigkeit ohne einen Wegmesser bestimmbar ist.The invention has for its object to provide a device of the type mentioned, in which the speed can be determined without a odometer.
Die Erfindung löst diese Aufgabe mit den Mitteln des Patentanspruchs 1.The invention solves this problem with the means of claim 1.
Die Geschwindigkeit wird aus der Veränderung des Standorts abgeleitet, die wiederum mit Hilfe von GPS-Signalen bestimmt wird. Ein mobiler Transponder enthält einen GPS-Empfänger, einen Speicher für GPS-Signale und eine Recheneinheit. Im Speicher befinden sich die mittels des GPS-Empfängers gelieferten Informationen über den vorhergehenden Standort. Aus der Information über den jeweils aktuellen Standort und die dazwischen vergangene Zeit wird die zeitliche Änderung des Standorts bestimmt. Die vorzugsweise optische Anzeige gibt die aktuelle Geschwin- digkeit wieder.The speed is derived from the change in location, which in turn is determined with the help of GPS signals. A mobile transponder contains a GPS receiver, a memory for GPS signals and a computing unit. The information about the previous location provided by the GPS receiver is stored in the memory. The change in location over time is determined from the information about the current location and the time elapsed in between. The preferably optical display shows the current speed.
Vorteilhafte Ausgestaltungen der Erfindung sind Gegenstand der weiteren Patentansprüche. So kann der Transponder in einer Armbanduhr integriert sein. Das bietet für den Träger der Armbanduhr den Vorteil, ohne weiteres auch die gewünschte Geschwindigkeitsinformation am Handgelenk abrufen zu können.Advantageous embodiments of the invention are the subject of the further claims. So the transponder can be integrated in a wristwatch. For the wearer of the wristwatch, this offers the advantage of being able to easily call up the desired speed information on the wrist.
Die Speicherung des vorherigen Standorts kann dabei willkürlich erfolgen. Der Vorteil davon ist, dass der Benutzer stets genau weiß, wie er die Geschwindigkeitsanzeige zu werten hat, nämlich als die Geschwindigkeit, mit der er sich von dem von ihm selbst bestimmten Ausgangsort entfernt hat. Selbstverständlich ist es auch möglich, den Ausgangsort selbsttätig zu speichern. Dies kann beispielsweise die Position sein, in der sich der Transponder für längere Zeit ohne Lageänderung befindet. Angenommen, der Benutzer befindet sich in der Ruhe. Er bewegt sich nicht. Der Transponder „erkennt" dies durch eine längere Beibehaltung eines Aufenthaltsorts. Folgt dann eine Lageänderung, erkennt dies ebenfalls der Transponder. Zu Beginn der Lageänderung wird diese erkannt und sie definiert den „Ausgangsort".The previous location can be saved arbitrarily. The advantage of this is that the user always knows exactly how to evaluate the speed display, namely the speed at which he is moving away from that of removed it from a certain point of departure. Of course, it is also possible to save the starting point automatically. This can be, for example, the position in which the transponder is located for a long time without changing its position. Suppose the user is at rest. He is not moving. The transponder "recognizes" this by maintaining a location for a longer period of time. If there is a change in position, the transponder also recognizes this.
Ebenso kann die Anzeige willkürlich vorgenommen werden. Dadurch ergibt sich eine Minimierung des für die Anzeige notwendigen EnergiebedarfsThe display can also be made arbitrarily. This results in a minimization of the energy requirement necessary for the display
Anhand der Zeichnung ist die Erfindung weiter erläutert. Die einzige Figur zeigt ein Ausführungsbeispiel der Erfindung in der Draufsicht.The invention is further explained on the basis of the drawing. The single figure shows an embodiment of the invention in plan view.
Ein mobiler Transponder, der GPS-Empfänger und einen Speicher für GPS-Daten enthält (nicht dargestellt), ist in einer Armbanduhr 1 integriert. Eine Antenne 2 sitzt in einem Armband 3 und empfängt die von den GPS-Satelliten ausgesandten GPS- Daten. Als Bedienelement dient ein Druckknopf 4, der seitlich am Gehäuse 5 angeordnet ist. Wird der Druckknopf 4 lang gedrückt, wird die momentane Position des Transponders als Ausgangsort und die aktuelle Uhrzeit als Ausgangszeit gespeichert; wird der Druckknopf 4 kurz gedrückt, wird der aktuelle Standort aufgrund der aktuellen GPS-Daten und die aktuelle Uhrzeit bestimmt und die Geschwindigkeit optisch angezeigt, in der die Änderung des Standorts durchgeführt wurde.A mobile transponder, which contains the GPS receiver and a memory for GPS data (not shown), is integrated in a wristwatch 1. An antenna 2 sits in a bracelet 3 and receives the GPS data transmitted by the GPS satellites. A push button 4, which is arranged on the side of the housing 5, serves as an operating element. If the push button 4 is pressed for a long time, the current position of the transponder is saved as the starting point and the current time as the starting time; If the push button 4 is pressed briefly, the current location is determined on the basis of the current GPS data and the current time, and the speed at which the change in location was carried out is optically displayed.
Hierzu dient eine Digitalanzeige 6 bzw. eine Analoganzeige 7, die in der Oberfläche des Gehäuses 5 angeordnet sind. Die Anzeigen 6 und 7 zeigen die momentane Geschwindigkeit des Besitzers der Uhr in Form einer Zahl bzw. eines markierten Feldes an. A digital display 6 or an analog display 7, which are arranged in the surface of the housing 5, is used for this purpose. The displays 6 and 7 show the current speed of the owner of the watch in the form of a number or a marked field.

Claims

Patentansprüche claims
1. Vorrichtung zur Anzeige der aktuellen Geschwindigkeit, gekennzeichnet durch einen mobilen Transponder, der einen GPS-Empfänger, einen Speicher für GPS- Signale und eine Recheneinheit enthält, und mit einer vorzugsweise optischen Anzeige, wobei die Recheneinheit die mittels des GPS-Empfängers gelieferten Informationen über den aktuellen Standort mit den im Speicher enthaltenen Informationen über einen vorausgehenden Standort vergleicht und aus der zeitlichen Änderung des Standorts die aktuelle Geschwindigkeit bestimmt und zur Anzeige bringt.1. Device for displaying the current speed, characterized by a mobile transponder, which contains a GPS receiver, a memory for GPS signals and a computing unit, and with a preferably visual display, the computing unit being the information supplied by means of the GPS receiver compares the current location with the information contained in the memory about a previous location and determines the current speed from the change in location and displays it.
2. Vorrichtung nach Anspruch 1 , dadurch gekennzeichnet, dass der Transponder in einer Armbanduhr integriert ist.2. Device according to claim 1, characterized in that the transponder is integrated in a wristwatch.
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Speicherung des vorausgehenden Standorts willkürlich erfolgt.3. Device according to claim 1 or 2, characterized in that the storage of the previous location is carried out arbitrarily.
4. Vorrichtung nach Anspruch 1 bis 3, dadurch gekennzeichnet, dass die Anzeige willkürlich erfolgt. 4. The device according to claim 1 to 3, characterized in that the display is arbitrary.
PCT/EP2002/002274 2001-03-21 2002-03-02 Device for displaying current speed WO2002082117A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10113932.2 2001-03-21
DE2001113932 DE10113932A1 (en) 2001-03-21 2001-03-21 Device for displaying the current speed

Publications (1)

Publication Number Publication Date
WO2002082117A1 true WO2002082117A1 (en) 2002-10-17

Family

ID=7678503

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/002274 WO2002082117A1 (en) 2001-03-21 2002-03-02 Device for displaying current speed

Country Status (2)

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DE (1) DE10113932A1 (en)
WO (1) WO2002082117A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1039059A (en) * 1996-07-19 1998-02-13 Matsushita Electric Ind Co Ltd Stopwatch with built-in GPS
US6032108A (en) * 1998-07-08 2000-02-29 Seiple; Ronald Sports performance computer system and method

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DE3925831A1 (en) * 1989-08-04 1991-02-07 Bosch Gmbh Robert MOTOR VEHICLE CONTROL OR CONTROL SYSTEM
DE19526494C2 (en) * 1995-07-20 2000-04-27 Hermann W Kurth Mobile measuring cell for recording actual value data about the current location of the mobile measuring cell
DE19528183A1 (en) * 1995-08-01 1997-02-06 Bosch Gmbh Robert Vehicle device for evaluating received position signals from at least one transmitter
US5862511A (en) * 1995-12-28 1999-01-19 Magellan Dis, Inc. Vehicle navigation system and method
DE19615248C2 (en) * 1996-04-18 2001-07-19 Mannesmann Vdo Ag Method for determining a speed of a motor vehicle and device for carrying out the method
DE19860810C2 (en) * 1997-12-30 2002-09-05 Rainer Eckert Sports-typical equipment or part of such equipment and / or sports equipment with a GPS, GLONASS or similar satellite navigation receiver
DE10008550A1 (en) * 2000-02-24 2001-09-13 Bosch Gmbh Robert Detecting motor vehicle movement parameters, involves computing position, speed vector from data from difference position satellite navigation system and sensors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1039059A (en) * 1996-07-19 1998-02-13 Matsushita Electric Ind Co Ltd Stopwatch with built-in GPS
US6032108A (en) * 1998-07-08 2000-02-29 Seiple; Ronald Sports performance computer system and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 06 30 April 1998 (1998-04-30) *

Also Published As

Publication number Publication date
DE10113932A1 (en) 2002-10-02

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