EP0524424A1 - Method of operating a portable transmitter to drive vehicle functions - Google Patents
Method of operating a portable transmitter to drive vehicle functions Download PDFInfo
- Publication number
- EP0524424A1 EP0524424A1 EP92110088A EP92110088A EP0524424A1 EP 0524424 A1 EP0524424 A1 EP 0524424A1 EP 92110088 A EP92110088 A EP 92110088A EP 92110088 A EP92110088 A EP 92110088A EP 0524424 A1 EP0524424 A1 EP 0524424A1
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- European Patent Office
- Prior art keywords
- transmitter
- controlling
- vehicle
- receivable
- signal
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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
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
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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
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00182—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks
- G07C2009/00261—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with unidirectional data transmission between data carrier and locks the keyless data carrier having more than one function
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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
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C2009/00753—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys
- G07C2009/00769—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means
- G07C2009/00785—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by active electrical keys with data transmission performed by wireless means by light
Definitions
- the invention relates to a method for operating a hand-held transmitter for controlling vehicle functions with the features of the preamble of patent claim 1.
- a method with these features can be derived from the mode of operation of an infrared handheld transmitter supplied for remote control of functions in vehicles manufactured by the applicant.
- the output signals that can be emitted by this hand transmitter essentially consist of a code component and a maintenance component.
- a code portion a relatively short coded message is transmitted from the transmitter to a vehicle-mounted receiver in a known manner, which enables z. B. to activate a central locking in the unlocking or locking direction or even from a greater distance from the vehicle.
- the maintenance component which in the vehicles equipped with a convenience lock also enables the closing of windows that are still open after leaving the vehicle and the sunroof by means of their electric drives, is only emitted for as long as the transmit button on the handheld transmitter is continuously longer than a predetermined period of time immediately after the radiation of the locking code signal is recorded, that is, only for the desired duration the window or sunroof closing movement.
- the latter only sets after a certain period of time, e.g. B. 0.25 sec after the start or after receiving the maintenance signal on the vehicle, as well as the need to hold the transmit button already represents a security measure.
- the maintenance component consists of repeated clock pulses, which are transmitted at constant intervals with the intensity or signal level unchanged compared to the code signal.
- the output power of the handheld transmitter and its range therefore remain the same (see Fig. 2).
- the characterizing features of method claim 1 indicate an inventive solution to this problem.
- this solution it is e.g. B. irrelevant whether the output signal for controlling the convenience closing drives z. B. is activated via a separate key of the handheld transmitter following a previous actuation of a code signal transmission key, or whether only a single transmission key is provided.
- the receivable output power can be determined simply by selecting the button.
- a hand-held transmitter is known (DE 38 06 130 A1), the output power of which is variable depending on the strength of the ambient light.
- One possibility is to reduce the electrical output power of a signal source by connecting a resistor - which forms an electrical folder - in one step.
- Another possibility is to provide two signal sources next to each other in the same handheld transmitter, one of which can emit unfiltered or unimpaired at full power, the other of which can only emit through a continuously upstream filter or with reduced power.
- Another possibility with two signal sources can be realized by activating them together for a long range and switching off one of them to reduce the range.
- dialog control of the receivable output power of the hand-held transmitter is possible as a function of a switching signal with a long range that is transmitted by the vehicle itself after complete reception of a suitable code signal and can be received and evaluated in the hand-held transmitter.
- suitable variable signal filtering could also be provided, e.g. B. by switching on a suitable depending on the signal carrier type (infrared, ultrasound, radio) selected Filters in front of the signal output during the emission of the output signals controlling the drives.
- signal carrier type infrared, ultrasound, radio
- the receivable output transmission power p of a hand-held transmitter - which corresponds to its range - is plotted in a highly schematic manner over a time axis t when a transmit button is pressed continuously.
- the waveform begins when the send button is pressed.
- the abbreviations ZV / EDW and KB stand for locking devices or control elements of a central locking system / burglary-theft alarm system or for drives for comfort controls.
- FIG. 1 shows that, according to the method according to the invention, with a constant waveform with respect to the pulse train, the amplitude of the pulses of the maintenance component A is significantly reduced, approximately by 50%, compared to the amplitude of the pulses of the code component C.
- FIG. 3 shows a partially cut-open view of a hand transmitter 1 for infrared rays, which can be activated manually via a single transmission button 2.
- a hand transmitter 1 for infrared rays, which can be activated manually via a single transmission button 2.
- it includes an automatically controllable switching element 3 with a changeover contact 4 and a first infrared transmitter diode 5 and a second infrared transmit diode 6 as a signal source, which can be controlled alternately via the changeover contact 4.
- the first infrared transmitter diode 5 is arranged behind a transparent cover 7 in the housing of the handheld transmitter 1, which does not significantly reduce or attenuate the transmit (light) power that can be emitted by the transmit diode 5 and can be received by a downstream receiver.
- the second infrared transmitter diode 6 is arranged behind a cover 8 which is also transparent but absorbs part of the transmission power. Therefore, even with identical design and power consumption of the two signal sources or transmitter diodes 5 and 6, the transmit power emitted by the latter can only be received in a weakened manner by a downstream receiver.
- the automatically controllable switching element 3 will switch its changeover contact to the transmitter diode 6 if and only after the radiation of the code signal or portion marked in FIG. 1, the power / range-reduced maintenance signal is to be emitted.
- This process can be controlled by the program sequence of the hand-held transmitter on the software side or purely time-dependent via a timer (timer, clock), because with the present transmitter type the temporal extension of the code signal to be emitted and thus the time period between the start of the transmission button 2 and the time of the range switch is always constant.
- timer timer, clock
- an automatically controllable switching element 3 ' accordinging to FIG. 4 , which can connect a series resistor 8' to a single transmitter diode 5 'of a handheld transmitter, not shown, which then limits the power consumption of the transmitter diode 5' compared to the basic position shown and thus also to be regarded as a filter for the receivable output power.
- FIG. 5 an arrangement is sketched in a highly simplified manner in FIG. 5 , in which an automatically controllable switching element 3 ′′ of a hand-held transmitter 1 ′ - as shown in FIGS. 3 and 4 - can be activated in dialogue with a vehicle-mounted transmitter with a long range.
- a vehicle F is only partially indicated here as a dashed frame.
- a vehicle-mounted receiver 9 with a downstream control device 10 and a transmitter 11 controllable by the latter are arranged therein.
- the control unit 10 also masters the vehicle functions ZV / EDW and KB, which have already been mentioned several times, as indicated schematically here by function blocks.
- a hand-held transmitter 1 'indicated to the left of the vehicle in turn comprises a signal source 5''whose receivable output power in a suitable manner - as shown above - can be changed via the automatically controllable switching element 3 ′′ in the sense of the sequence in FIG. 1.
- a receiver 12 is now also provided in the hand transmitter 1 ′, which receives the signals that can be emitted by the transmitter 11 fixed in the vehicle.
- both the handheld transmitter 1 'and the transmitter-receiver combination in the vehicle F have a transponder function.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
- Selective Calling Equipment (AREA)
- Transmitters (AREA)
- Optical Communication System (AREA)
Abstract
Description
Die Erfindung bezieht sich auf ein Verfahren zum Betreiben eines Handsenders zum Steuern von Fahrzeugfunktionen mit den Merkmalen des Oberbegriffs des Patentanspruchs 1.The invention relates to a method for operating a hand-held transmitter for controlling vehicle functions with the features of the preamble of
Ein Verfahren mit diesen Merkmalen ist aus der Betriebsweise eines zur Fernbedienung von Funktionen in von der Anmelderin hergestellten Fahrzeugen mitgelieferten Infrarot-Handsenders ableitbar.A method with these features can be derived from the mode of operation of an infrared handheld transmitter supplied for remote control of functions in vehicles manufactured by the applicant.
Die von diesem Handsender abstrahlbaren Ausgangssignale setzen sich im wesentlichen aus einem Codeanteil und einem Aufrechterhaltungsanteil zusammen. Mit dem Codeanteil wird in bekannter Weise eine relativ kurze codierte Nachricht vom Sender zu einem fahrzeugfesten Empfänger übertragen, die es ermöglicht, z. B. eine Zentralverriegelung im Ent- bzw. Verriegelungssinn bereits bzw. noch aus größerer Entfernung vom Fahrzeug zu aktivieren. Der Aufrechterhaltungsanteil, der in den mit einer Komfortschließung ausgestatteten Fahrzeugen zusätzlich das Schließen von nach dem Verlassen des Fahrzeugs noch offenstehenden Fenstern und des Schiebedachs mittels deren elektrischer Antriebe ermöglicht, wird nur und so lange abgestrahlt, wie die Sendetaste des Handsenders ununterbrochen länger als eine vorbestimmte Zeitspanne unmittelbar im Anschluß an die Abstrahlung des verriegelnden Codesignals festgehalten wird, also nur für die erwünschte Dauer der Fenster- oder Schiebedachschließbewegung. Letztere setzt aus Sicherheitsgründen erst nach Verstreichen einer bestimmten Zeitspanne, z. B. 0,25 sec nach Beginn bzw. nach fahrzeugseitigem Empfang des Aufrechterhaltungssignals ein, ebenso wie das notwendige Festhalten der Sendetaste bereits eine Sicherheitsmaßnahme darstellt.
Der Aufrechterhaltungsanteil besteht im einfachsten Fall aus wiederholten Taktimpulsen, die mit gegenüber dem Codesignal unveränderter Intensität bzw. unverändertem Signalpegel in gleichbleibenden Abständen übertragen werden. Die Ausgangsleistung des Handsenders und dessen Reichweite bleibt also gleich (vgl. Fig. 2).
Angesichts verstärkter Bemühungen um die Bediensicherheit von Fahrzeugen insbesondere auch mit derartigen Komfortschließanlagen ist es wünschenswert, die Betätigung der letzteren mittels eines Fernbedienungs-Handsenders nur in einem verhältnismäßig engen räumlichen Bereich um das Fahrzeug zu ermöglichen.The output signals that can be emitted by this hand transmitter essentially consist of a code component and a maintenance component. With the code portion, a relatively short coded message is transmitted from the transmitter to a vehicle-mounted receiver in a known manner, which enables z. B. to activate a central locking in the unlocking or locking direction or even from a greater distance from the vehicle. The maintenance component, which in the vehicles equipped with a convenience lock also enables the closing of windows that are still open after leaving the vehicle and the sunroof by means of their electric drives, is only emitted for as long as the transmit button on the handheld transmitter is continuously longer than a predetermined period of time immediately after the radiation of the locking code signal is recorded, that is, only for the desired duration the window or sunroof closing movement. For security reasons, the latter only sets after a certain period of time, e.g. B. 0.25 sec after the start or after receiving the maintenance signal on the vehicle, as well as the need to hold the transmit button already represents a security measure.
In the simplest case, the maintenance component consists of repeated clock pulses, which are transmitted at constant intervals with the intensity or signal level unchanged compared to the code signal. The output power of the handheld transmitter and its range therefore remain the same (see Fig. 2).
In view of increased efforts to ensure the safety of vehicles, in particular also with such convenience locking systems, it is desirable to be able to operate the latter by means of a remote control hand-held transmitter only in a relatively narrow spatial area around the vehicle.
Die kennzeichnenden Merkmale des Verfahrensanspruchs 1 geben eine erfindungsgemäße Lösung dieser Aufgabe an.
Bei dieser Lösung ist es z. B. unerheblich, ob das Ausgangssignal zur Steuerung der Komfortschließ-Antriebe z. B. über eine eigene Taste des Handsenders im Anschluß an eine vorangehende Betätigung einer Codesignal-Sendetaste aktiviert wird, oder ob nur eine einzige Sendetaste vorgesehen ist. Im ersteren Fall kann die empfangbare Ausgangsleistung einfach durch die Wahl der Taste bestimmt werden.The characterizing features of
In this solution it is e.g. B. irrelevant whether the output signal for controlling the convenience closing drives z. B. is activated via a separate key of the handheld transmitter following a previous actuation of a code signal transmission key, or whether only a single transmission key is provided. In the former case, the receivable output power can be determined simply by selecting the button.
Es ist ein Handsender bekannt (DE 38 06 130 A1), dessen Ausgangsleistung abhängig von der Stärke des Umgebungslichts veränderlich ist.A hand-held transmitter is known (DE 38 06 130 A1), the output power of which is variable depending on the strength of the ambient light.
Die Merkmale der Unteransprüche offenbaren vorteilhafte Weiterbildungen des erfindungsgemäßen Verfahrens. Nach Unteranspruch 2 wird während des Ablaufs der gemäß dem einleitend erörterten Stand der Technik durch eine einzige Sendetaste aktivierbaren aufeinanderfolgenden Ausgangssignale durch geeignete Schaltmittel die empfangbare Ausgangsleistung des Handsenders und damit dessen Reichweite selbsttätig verringert.The features of the subclaims reveal advantageous developments of the method according to the invention. After
Ein Möglichkeit besteht darin, die elektrische Ausgangsleistung einer Signalquelle durch Vorschalten eines Widerstands - der einen elektrischen Falter bildet - in einer Stufe zu vermindern.One possibility is to reduce the electrical output power of a signal source by connecting a resistor - which forms an electrical folder - in one step.
Eine weitere Möglichkeit besteht darin, zwei Signalquellen nebeneinander in demselben Handsender vorzusehen, deren eine ungefiltert bzw. ungeschwächt mit voller Leistung abstrahlen kann, deren andere nur durch einen ständig vorgeschalteten Filter oder mit reduzierter Leistung abstrahlen kann. In dieser Ausführung wird zum Reduzieren der empfangbaren Ausgangsleistung ein selbsttätig, z. B. zeitabhängig steuerbarer Umschalter zum Umschalten von der einen Signalquelle auf die andere benötigt.Another possibility is to provide two signal sources next to each other in the same handheld transmitter, one of which can emit unfiltered or unimpaired at full power, the other of which can only emit through a continuously upstream filter or with reduced power. In this embodiment, an automatic, for. B. time-dependent controllable switch for switching from one signal source to the other.
Noch eine Möglichkeit mit zwei Signalquellen kann realisiert werden, indem diese für eine große Reichweite gemeinsam aktiviert werden und eine davon zur Reichweitenverminderung abgeschaltet wird.Another possibility with two signal sources can be realized by activating them together for a long range and switching off one of them to reduce the range.
Schließlich ist im Rahmen des Erfindungsgedankens auch eine Dialogsteuerung der empfangbaren Ausgangsleistung des Handsenders in Abhängigkeit von einem vom Fahrzeug selbst nach vollständigem Empfang eines passenden Codesignals ausgesendeten und im Handsender empfang- und auswertbaren Umschaltsignal mit großer Reichweite möglich.Finally, within the scope of the inventive concept, dialog control of the receivable output power of the hand-held transmitter is possible as a function of a switching signal with a long range that is transmitted by the vehicle itself after complete reception of a suitable code signal and can be received and evaluated in the hand-held transmitter.
Ggf. könnte auch eine geeignete variable Signalfilterung vorgesehen werden, z. B. durch Einschalten eines je nach der Signalträgerart (Infrarot, Ultraschall, Funk) ausgewählten geeigneten Filters vor den Signalausgang während der Abstrahlung der die Antriebe steuernden Ausgangssignale.Possibly. suitable variable signal filtering could also be provided, e.g. B. by switching on a suitable depending on the signal carrier type (infrared, ultrasound, radio) selected Filters in front of the signal output during the emission of the output signals controlling the drives.
Eine Skizze des möglichen Signalablaufs bei der erfindungsgemäßen Betriebsweise des Handsenders sowie Ausführungsbeispiele für Handsender sind in der Zeichnung dargestellt und werden im folgenden noch kurz beschrieben.A sketch of the possible signal sequence in the operating mode of the handheld transmitter according to the invention and exemplary embodiments for handheld transmitters are shown in the drawing and are described briefly below.
Es zeigen
Figur 1- einen Signalverlauf eines Handsenders über der Betätigungszeitdauer seiner Sendetaste gemäß dem erfindungsgemäßen Verfahren,
Figur 2- einen entsprechenden Signalverlauf gemäß dem Stand der Technik,
Figur 3- einen Handsender mit zwei Signalquellen, die mittels eines steuerbaren Schaltglieds wechselweise zum Abstrahlen von Signalen einschaltbar sind,
Figur 4- eine Skizze mit einer Infrarot-Signalquelle, der von einem steuerbaren Schaltglied ein leistungsmindernder Widerstand vorschaltbar ist,
Figur 5- eine Skizze eines Dialogsystems, in dem die empfangbare Ausgangsleistung eines Handsenders (Transponders) im Dialog mit einem fahrzeugfesten Sender (Transponder) steuerbar ist.
- Figure 1
- a signal curve of a hand transmitter over the actuation period of its transmit button according to the inventive method,
- Figure 2
- a corresponding signal curve according to the prior art,
- Figure 3
- a hand-held transmitter with two signal sources, which can be switched on and off alternately to emit signals by means of a controllable switching element,
- Figure 4
- 1 shows a sketch with an infrared signal source, which can be connected upstream of a controllable switching element with a power-reducing resistor,
- Figure 5
- a sketch of a dialog system in which the receivable output power of a handheld transmitter (transponder) can be controlled in dialog with a vehicle-mounted transmitter (transponder).
In beiden Diagrammen gemäß Figuren 1 und 2 ist die empfangbare Ausgangs-Sendeleistung p eines Handsenders - die dessen Reichweite entspricht - bei ununterbrochener Betätigung einer Sendetaste über einer Zeitachse t stark schematisiert aufgetragen.In both diagrams according to FIGS. 1 and 2 , the receivable output transmission power p of a hand-held transmitter - which corresponds to its range - is plotted in a highly schematic manner over a time axis t when a transmit button is pressed continuously.
Der Signalverlauf beginnt jeweils mit Beginn der Betätigung der Sendetaste. Die Abkürzungen ZV/EDW und KB stehen für Verriegelungseinrichtungen bzw. Stellelemente einer Zentralverriegelung / Einbruch-Diebstahl-Warnanlage bzw. für Antriebe einer Komfortbedienung.The waveform begins when the send button is pressed. The abbreviations ZV / EDW and KB stand for locking devices or control elements of a central locking system / burglary-theft alarm system or for drives for comfort controls.
Aus Figur 2 ist ersichtlich, daß in dem bekannten Signalverlauf die aufeinanderfolgenden Impulse des Codeanteils C (Steuerung der Fahrzeugfunktionen ZV/EDW) und des Aufrechterhaltungsanteils A (Steuerung der Fahrzeugfunktion KB) gleiche Amplituden P haben. Durch eine gestrichelte senkrechte Linie unterhalb der Zeitachse im Bereich des AufrechterhaltungsanteilS A ist angedeutet, daß erst verzögert nach dessen Einsetzen die Steuerung der Komfortbedienung KB (Antriebe für Fensterheber, Schiebedach, Sitzverstellung) möglich ist. Dem würde entsprechen, daß bei einem Sender mit zwei Sendetasten für die unterschiedlichen Signalarten C und A die Wahl der Taste keinen Einfluß auf die Amplitude und Reichweite hat.It can be seen from FIG. 2 that in the known signal curve the successive pulses of the code component C (control of the vehicle functions ZV / EDW) and the maintenance component A (control of the vehicle function KB) have the same amplitudes P. A dashed vertical line below the time axis in the area of maintenance portion A indicates that control of the comfort controls KB (drives for window regulators, sunroof, seat adjustment) is only possible after a delay. This would correspond to the fact that in the case of a transmitter with two transmit buttons for the different signal types C and A, the choice of the button has no influence on the amplitude and range.
Figur 1 zeigt hingegen, daß gemäß dem erfindungsgemäßen Verfahren bei bezüglich der Impulsfolge gleichbleibendem Signalverlauf die Amplitude der Impulse des Aufrechterhaltungsanteils A deutlich, etwa um 50 %, gegenüber der Amplitude der Impulse des Codeanteils C verringert ist. FIG. 1 , on the other hand, shows that, according to the method according to the invention, with a constant waveform with respect to the pulse train, the amplitude of the pulses of the maintenance component A is significantly reduced, approximately by 50%, compared to the amplitude of the pulses of the code component C.
Dadurch wird die empfangbare Ausgangsleistung des Handsenders und seine Reichweite für die Komfortfunktion (KB) gegenüber der verhältnismäßig großen Reichweite für die Verriegelungs- (ZV) und Diebstahlsicherungsfunktion (EDW) deutlich verringert. Bei einem Sender mit zwei Sendetasten wäre also mit der Taste für Signalart C die volle Ausgangsleistung bzw. Reichweite und mit der Taste für Signalart A die reduzierte Ausgangsleistung verfügbar.This significantly reduces the receivable output power of the handheld transmitter and its range for the convenience function (KB) compared to the relatively long range for the locking (ZV) and anti-theft function (EDW). For a transmitter with two transmit buttons, the full output power or range would be available with the button for signal type C and the reduced output power with the button for signal type A.
Es versteht sich, daß auch andere Methoden zur Beeinflussung bzw. Verringerung der tatsächlichen Ausgangsleistung im Rahmen der Erfindung benutzt werden können, z. B. eine Impulsbreitensteuerung.It is understood that other methods for influencing or reducing the actual output power can be used within the scope of the invention, e.g. B. pulse width control.
Figur 3 zeigt eine teilweise aufgeschnittene Ansicht eines Handsenders 1 für Infrarot-Strahlen, der über eine einzige Sendetaste 2 manuell aktivierbar ist. Er umfaßt neben den nicht dargestellten üblichen Speicher-, Codier- und Energieversorgungsmitteln ein selbsttätig steuerbares Schaltglied 3 mit einem Umschaltkontakt 4 sowie als Signalquelle eine erste Infrarot-Sendediode 5 und eine zweite Infrarot-Sendediode 6, die wechselweise über den Umschaltkontakt 4 ansteuerbar sind. Die erste Infrarot-Sendediode 5 ist hinter einer transparenten Abdeckung 7 im Gehäuse des Handsenders 1 angeordnet, die die von der Sendediode 5 abstrahlbare - und von einem nachgeordneten Empfänger empfangbare - Sende-(Licht-)leistung nicht nennenswert vermindert bzw. dämpft.
Demgegenüber ist die zweite Infrarot-Sendediode 6 hinter einer ebenfalls transparenten, jedoch einen Teil der Sendeleistung absorbierenden Abdeckung 8 angeordnet.
Daher kann selbst bei identischer Auslegung und Leistungsaufnahme der beiden Signalquellen bzw. Sendedioden 5 und 6 die von letzterer abgestrahlte Sendeleistung von einem nachgeordneten Empfänger nur abgeschwächt empfangen werden.
Entsprechend wird das selbsttätig steuerbare Schaltglied 3 genau dann seinen Umschaltkontakt auf die Sendediode 6 umschalten, wenn nach Abstrahlung des in Figur 1 markierten Codesignals bzw. -anteils das leistungs-/reichweitengeminderte Aufrechterhaltungssignal abgestrahlt werden soll.
Dieser Vorgang kann von Programmablauf des Handsenders softwareseitig oder auch rein zeitabhängig über ein Zeitglied (Timer, Clock) gesteuert werden, weil beim vorliegenden Sendertyp die zeitliche Erstreckung des abzustrahlenden Codesignals und damit die Zeitspanne zwischen dem Anfang der Betätigung der Sendetaste 2 und dem Zeitpunkt der Reichweitenumschaltung immer konstant ist. FIG. 3 shows a partially cut-open view of a
In contrast, the second
Therefore, even with identical design and power consumption of the two signal sources or
Correspondingly, the automatically
This process can be controlled by the program sequence of the hand-held transmitter on the software side or purely time-dependent via a timer (timer, clock), because with the present transmitter type the temporal extension of the code signal to be emitted and thus the time period between the start of the
Gleiches gilt für ein selbsttätig steuerbares Schaltglied 3' gemäß Figur 4, das einer einzigen Sendediode 5' eines nicht weiter dargestellten Handsenders mittels eines Umschaltkontakts 4' einen Vorwiderstand 8' vorschalten kann, der dann die Leistungsaufnahme der Sendediode 5' gegenüber der dargestellten Grundstellung begrenzt und somit ebenfalls als Filter für die empfangbare Ausgangsleistung anzusehen ist.The same applies to an automatically controllable switching element 3 'according to FIG. 4 , which can connect a series resistor 8' to a single transmitter diode 5 'of a handheld transmitter, not shown, which then limits the power consumption of the transmitter diode 5' compared to the basic position shown and thus also to be regarded as a filter for the receivable output power.
Analog zu dieser Gestaltung wäre es auch möglich, zwei Sendedioden 5 und 6 wie in Fig. 3 vorzusehen, diese jedoch ungefiltert und normalerweise - für den Codeanteil - gemeinsam abstrahlen zu lassen, eine davon aber zur Verminderung der empfangbaren Ausgangsleistung mittels des selbsttätig steuerbaren Schaltglieds abzuschalten. Auch hierdurch wird die Leistungsaufnahme der Gesamtsignalquelle und deren Reichweite vermindert.Analogously to this design, it would also be possible to provide two
Schließlich ist in Figur 5 noch eine Anordnung stark vereinfacht skizziert, in der ein selbsttätig steuerbares Schaltglied 3'' eines Handsenders 1' - wie in Figuren 3 und 4 dargestellt - im Dialog mit einem fahrzeugfesten Sender mit großer Reichweite aktivierbar ist.Finally, an arrangement is sketched in a highly simplified manner in FIG. 5 , in which an automatically
Ein Fahrzeug F ist hier nur als gestrichelter Rahmen teilweise angedeutet. Darin ist ein fahrzeugfester Empfänger 9 mit einem nachgeschalteten Steuergerät 10 und ein von diesem steuerbarer Sender 11 angeordnet. Das Steuergerät 10 beherrscht außerdem die bereits mehrfach erwähnten Fahrzeugfunktionen ZV/EDW und KB, wie hier schematisch durch Funktionsblöcke angedeutet. Ein links neben dem Fahrzeug angedeuteter Handsender 1' umfaßt wiederum eine Signalquelle 5'', deren empfangbare Ausgangsleistung in geeigneter Weise - wie oben dargestellt - über das selbsttätig steuerbares Schaltglied 3'' im Sinne des Ablaufs in Figur 1 änderbar ist. Neben der Signalquelle 5'' ist nunmehr auch ein Empfänger 12 im Handsender 1' vorgesehen, der die vom fahrzeugfesten Sender 11 abstrahlbaren Signale empfängt.A vehicle F is only partially indicated here as a dashed frame. A vehicle-mounted
Diese Anordnung wird nun so betrieben, daß auf Aktivierung des Handsenders 1' mittels seiner hier nicht dargestellten Sendetaste hin die Signalquelle 5'' ein Codesignal zum fahrzeugfesten Empfänger 9 abstrahlt. Dieses wird im Steuergerät 10 in der üblichen Weise decodiert und in einen an die Funktion ZV/EDW gerichteten Steuerbefehl umgesetzt. Gleichzeitig aktiviert das Steuergerät nach vollständigem Erhalt eines Codesignals - das natürlich zum fahrzeugseitig gespeicherten Code passen muß - den fahrzeugfesten Sender 11. Dessen mit großer Reichweite abgestrahltes Signal gelangt zum Empfänger 12 des Handsenders 1', welcher daraufhin das Schaltglied 3'' aktiviert (für die Zeitdauer der Betätigung der Sendetaste). Dieses reduziert dann die empfangbare Ausgangsleistung der Signalquelle 5'' und damit deren Reichweite in der vorher erörterten Weise.This arrangement is now operated so that when the handheld transmitter 1 'is activated, the signal source 5' 'emits a code signal to the vehicle-mounted
In dieser Anordnung haben sowohl der Handsender 1' als auch die Sender-Empfänger-Kombination im Fahrzeug F eine Transponder-Funktion.In this arrangement, both the handheld transmitter 1 'and the transmitter-receiver combination in the vehicle F have a transponder function.
Es versteht sich, daß die dargestellten Ausführungsbeispiele auch mit anderen Übertragungsmedien als Infrarotwellen ausgeführt werden können, ohne den tragenden Grundgedanken der Erfindung zu verlassen.It is understood that the exemplary embodiments shown can also be carried out with transmission media other than infrared waves, without departing from the basic concept of the invention.
Claims (7)
dadurch gekennzeichnet,
daß die Ausgangssignale zur Steuerung der Antriebe mit geringerer Ausgangsleistung und Reichweite als die Ausgangssignale zur Steuerung der Verriegelungseinrichtungen abgestrahlt werden.Method for operating a handheld transmitter for controlling vehicle functions, the handheld transmitter being able to emit output signals for controlling both locking devices and drives, in particular sunroof and window drives, for closing vehicle openings,
characterized,
that the output signals for controlling the drives with a lower output power and range are emitted than the output signals for controlling the locking devices.
dadurch gekennzeichnet,
daß die empfangbare Ausgangsleistung des Handsenders nach Abstrahlung des Codeanteils durch Schaltmittel selbsttätig verringert wird.Method according to Claim 1, in which the continuous transmission of a hand-held transmitter emits connected output signals with a leading code component of limited time length for controlling the locking devices and a subsequent maintenance component for controlling the drives,
characterized,
that the receivable output power of the hand-held transmitter is automatically reduced by the switching means after the code component has been emitted.
dadurch gekennzeichnet,
daß die Amplitude von Impulsen des Aufrechterhaltungsanteils gegenüber der Amplitude von Impulsen des Codeanteils verringert wird.Method according to claim 2,
characterized,
that the amplitude of pulses of the maintenance component is reduced compared to the amplitude of pulses of the code component.
dadurch gekennzeichnet,
daß nach Abstrahlung des Codeanteils die Leistungsaufnahme einer Signalquelle (5') und damit deren empfangbare Ausgangsleistung vermindert wird.The method of claim 1 or 2,
characterized,
that after radiation of the code portion, the power consumption of a signal source (5 ') and thus its receivable output power is reduced.
dadurch gekennzeichnet,
daß nach Abstrahlung des Codeanteils mittels eines selbsttätig steuerbaren Schaltglieds (3; 3'; 3'') zur Verminderung der empfangbaren Ausgangsleistung von einer ersten Signalquelle (5) des Handsenders (1) auf eine zweite Signalquelle (6) des Handsenders umgeschaltet wird.Method according to claim 2 or 4,
characterized,
that after radiation of the code portion by means of an automatically controllable switching element (3; 3 ';3'') to reduce the receivable output power from a first signal source (5) of the handheld transmitter (1) to a second signal source (6) of the handheld transmitter.
dadurch gekennzeichnet,
daß die empfangbare Ausgangsleistung des Handsenders im Dialog mit einem fahrzeugfesten Sender steuerbar ist, indem der fahrzeugfeste Sender nach fahrzeugseitigem Empfang der Ausgangssignale zur Steuerung der Verriegelungseinrichtungen ein von dem mit einem Empfänger versehenen Handsender empfangbares Umschaltsignal mit großer Reichweite abstrahlt, das von einer senderinternen selbsttätig steuerbaren Umschalteinrichtung zur temporären Verringerung der empfangbaren Handsender-Sendeleistung auswertbar ist.Method according to claim 2 or 4 or 5,
characterized,
that the receivable output power of the handheld transmitter can be controlled in dialogue with a vehicle-mounted transmitter, in that the vehicle-mounted transmitter, after receiving the output signals for controlling the locking devices on the vehicle side, emits a switchover signal that can be received by the handheld transmitter provided with a receiver and has a long range, which is transmitted by an internally controllable switchover device can be evaluated for the temporary reduction in the receivable hand transmitter transmission power.
dadurch gekennzeichnet,
daß während der Abstrahlung der die Antriebe steuernden Ausgangssignale ein je nach der Signalträgerart (Infrarot, Ultraschall, Funk) ausgewählter geeigneter Filter eingeschaltet wird.The method of claim 1 or 2,
characterized,
that a suitable filter selected depending on the signal carrier type (infrared, ultrasound, radio) is switched on during the radiation of the output signals controlling the drives.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4124181 | 1991-07-20 | ||
| DE4124181A DE4124181C2 (en) | 1991-07-20 | 1991-07-20 | Method for operating a hand-held transmitter for controlling vehicle functions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0524424A1 true EP0524424A1 (en) | 1993-01-27 |
| EP0524424B1 EP0524424B1 (en) | 1995-12-27 |
Family
ID=6436684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP92110088A Expired - Lifetime EP0524424B1 (en) | 1991-07-20 | 1992-06-16 | Method of operating a portable transmitter to drive vehicle functions |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US5355525A (en) |
| EP (1) | EP0524424B1 (en) |
| JP (1) | JPH05206874A (en) |
| DE (2) | DE4124181C2 (en) |
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| EP0629758A1 (en) * | 1993-06-21 | 1994-12-21 | Valeo Electronique | Remote control system with several functional ranges selected by means of threshold detection |
| EP0629759A1 (en) * | 1993-06-21 | 1994-12-21 | Valeo Electronique | Remote control system with several functional ranges |
| DE4340260A1 (en) * | 1993-10-01 | 1995-04-06 | Marquardt Gmbh | Locking system, in particular for motor vehicles |
| EP0693741A2 (en) * | 1994-07-20 | 1996-01-24 | Nippondenso Co., Ltd. | Mobile object identification device |
| WO1996006499A2 (en) * | 1994-08-09 | 1996-02-29 | Philips Electronics N.V. | Method of, and system for, transferring secure data |
| DE19736302A1 (en) * | 1996-09-27 | 1998-04-02 | Valeo Electronique | High-frequency remote control with double range for motor vehicles |
| FR2756691A1 (en) * | 1996-11-29 | 1998-06-05 | Sagem | DEVICE FOR EMISSION OF TWO GROUPS OF CONTROL DATA AND ELECTRONIC KEY, FOR MOTOR VEHICLES, INCLUDING THE DEVICE |
| EP0930409A1 (en) * | 1998-01-20 | 1999-07-21 | Mannesmann VDO Aktiengesellschaft | Receiving device for a remote control system and method of operating a remote control system |
| EP0886025A3 (en) * | 1997-06-20 | 2000-02-23 | Rover Group Limited | Vehicle closure systems |
| DE19939063A1 (en) * | 1999-08-18 | 2001-02-22 | Volkswagen Ag | Actuating opening and closing functions in motor vehicles involves pre-actuating locking system with long range transponder, carrying out only on approaching with short range transponder |
| EP1544063A1 (en) * | 2003-12-15 | 2005-06-22 | Alps Electric Co., Ltd. | Passive keyless entry device |
| WO2012052109A1 (en) * | 2010-10-21 | 2012-04-26 | Johnson Controls Technology Company | Remote control for a vehicle, and system including a vehicle and a remote control |
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| US6285296B1 (en) | 1994-11-10 | 2001-09-04 | Audiovox Corporation | Differential range remote control |
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| DE19642961C2 (en) * | 1996-10-17 | 2002-11-28 | Webasto Karosseriesysteme | Openable vehicle roof |
| DE19653840A1 (en) * | 1996-12-21 | 1998-06-25 | Hella Kg Hueck & Co | Hand transmitter for remote control of central locking |
| US5790065A (en) * | 1997-02-28 | 1998-08-04 | Ford Motor Company | Remote control for vehicular audio systems |
| DE19710476A1 (en) * | 1997-03-13 | 1998-09-17 | Siemens Ag | Selective and global opening of motor vehicles by remote control |
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| US6216012B1 (en) * | 1997-11-07 | 2001-04-10 | Conexant Systems, Inc. | Dualband power amplifier control using a single power amplifier controller |
| DE19809062A1 (en) * | 1998-03-04 | 1999-09-09 | Porsche Ag | Method for controlling a roof of a vehicle that is actuated by an external power system with an actuating device |
| US5933074A (en) * | 1998-06-23 | 1999-08-03 | Ut Automotive Dearborn, Inc. | Remote control transmitter broadcasting RF signals conveying plural information components |
| DE10058678C2 (en) * | 2000-11-25 | 2002-11-14 | Integrated Electronic Systems Sys Consulting Gmbh | Method for operating a radio remote control system |
| JP4514352B2 (en) * | 2001-04-06 | 2010-07-28 | 文化シヤッター株式会社 | Switchgear-related receiver and switchgear-related radio communication system |
| JP2002320283A (en) * | 2001-04-24 | 2002-10-31 | Sanyo Electric Co Ltd | Wireless remote controller and air conditioner |
| JP3527900B2 (en) | 2001-07-17 | 2004-05-17 | コナミ株式会社 | Remote control system, transmitter and driving device thereof |
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| DE102005042402A1 (en) * | 2005-09-06 | 2007-03-08 | Bayerische Motoren Werke Ag | Motor vehicle with automatically opening flap |
| US7592895B2 (en) * | 2005-10-17 | 2009-09-22 | Lear Corporation | System and method for remotely controlling a function |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5600323A (en) * | 1993-06-21 | 1997-02-04 | Valeo Electronique | Telecontrol system with a plurality of functional ranges selected by detection threshold |
| EP0629759A1 (en) * | 1993-06-21 | 1994-12-21 | Valeo Electronique | Remote control system with several functional ranges |
| FR2706934A1 (en) * | 1993-06-21 | 1994-12-30 | Valeo Electronique | |
| FR2707030A1 (en) * | 1993-06-21 | 1994-12-30 | Valeo Electronique | |
| EP0629758A1 (en) * | 1993-06-21 | 1994-12-21 | Valeo Electronique | Remote control system with several functional ranges selected by means of threshold detection |
| DE4340260A1 (en) * | 1993-10-01 | 1995-04-06 | Marquardt Gmbh | Locking system, in particular for motor vehicles |
| EP0693741A2 (en) * | 1994-07-20 | 1996-01-24 | Nippondenso Co., Ltd. | Mobile object identification device |
| EP0693741A3 (en) * | 1994-07-20 | 1999-03-03 | Denso Corporation | Mobile object identification device |
| US6369693B1 (en) | 1994-08-09 | 2002-04-09 | U.S. Philips Corporation | Method of, and system for, transferring secure data |
| WO1996006499A3 (en) * | 1994-08-09 | 1996-04-11 | Philips Electronics Nv | Method of, and system for, transferring secure data |
| WO1996006499A2 (en) * | 1994-08-09 | 1996-02-29 | Philips Electronics N.V. | Method of, and system for, transferring secure data |
| DE19736302A1 (en) * | 1996-09-27 | 1998-04-02 | Valeo Electronique | High-frequency remote control with double range for motor vehicles |
| FR2756691A1 (en) * | 1996-11-29 | 1998-06-05 | Sagem | DEVICE FOR EMISSION OF TWO GROUPS OF CONTROL DATA AND ELECTRONIC KEY, FOR MOTOR VEHICLES, INCLUDING THE DEVICE |
| EP0886025A3 (en) * | 1997-06-20 | 2000-02-23 | Rover Group Limited | Vehicle closure systems |
| US6154145A (en) * | 1997-06-20 | 2000-11-28 | Rover Group Limited | Vehicle closure systems |
| EP0930409A1 (en) * | 1998-01-20 | 1999-07-21 | Mannesmann VDO Aktiengesellschaft | Receiving device for a remote control system and method of operating a remote control system |
| DE19939063A1 (en) * | 1999-08-18 | 2001-02-22 | Volkswagen Ag | Actuating opening and closing functions in motor vehicles involves pre-actuating locking system with long range transponder, carrying out only on approaching with short range transponder |
| EP1544063A1 (en) * | 2003-12-15 | 2005-06-22 | Alps Electric Co., Ltd. | Passive keyless entry device |
| WO2012052109A1 (en) * | 2010-10-21 | 2012-04-26 | Johnson Controls Technology Company | Remote control for a vehicle, and system including a vehicle and a remote control |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05206874A (en) | 1993-08-13 |
| DE4124181C2 (en) | 1997-01-23 |
| DE59204810D1 (en) | 1996-02-08 |
| EP0524424B1 (en) | 1995-12-27 |
| US5355525A (en) | 1994-10-11 |
| DE4124181A1 (en) | 1993-01-21 |
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