EP0875876A2 - Démarrage automatique de l'enregistrement de données numériques radiodiffusées - Google Patents

Démarrage automatique de l'enregistrement de données numériques radiodiffusées Download PDF

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Publication number
EP0875876A2
EP0875876A2 EP98103880A EP98103880A EP0875876A2 EP 0875876 A2 EP0875876 A2 EP 0875876A2 EP 98103880 A EP98103880 A EP 98103880A EP 98103880 A EP98103880 A EP 98103880A EP 0875876 A2 EP0875876 A2 EP 0875876A2
Authority
EP
European Patent Office
Prior art keywords
vehicle
signal
movement
control unit
sensor
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.)
Granted
Application number
EP98103880A
Other languages
German (de)
English (en)
Other versions
EP0875876B1 (fr
EP0875876A3 (fr
Inventor
Dieter Dipl.-Ing. Kriegel
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.)
Volkswagen AG
Original Assignee
Volkswagen AG
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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP0875876A2 publication Critical patent/EP0875876A2/fr
Publication of EP0875876A3 publication Critical patent/EP0875876A3/fr
Application granted granted Critical
Publication of EP0875876B1 publication Critical patent/EP0875876B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/091—Traffic information broadcasting
    • G08G1/094—Hardware aspects; Signal processing or signal properties, e.g. frequency bands

Definitions

  • the invention relates to an apparatus and a method for controlling the detection of remotely transmitted digital data according to the generic term of the respective independent claim.
  • the radio receiver is permanently ready to receive vehicles limited electrical storage capacity of their battery has the disadvantage that a own power supply must be provided, or accelerate the devices battery discharge beyond acceptable levels.
  • an operating element is provided in the previous state of the art with which the radio receivers mentioned can be activated or deactivated, depending on whether the information to be expected is important to the driver or whether he wants to protect his vehicle's power source.
  • the method according to the invention has the features according to the independent method claim
  • the device according to the invention has the features according to the independent Device claim.
  • the subclaims relate to advantageous embodiments the inventive method and the inventive device.
  • the method according to the invention for the automatic detection of remotely transmitted digital Data in a vehicle with the steps of receiving the data by activation a receiver device and evaluating and / or reproducing the received digital Data by a processing device is characterized by the acquisition of a Vehicle movement by a motion sensor and the output of a motion signal to a control unit and the output of an activation signal for Activate the receiver device when due to the movement signal by the Control unit a vehicle movement is detected.
  • the movement signal is a signal that corresponds to a defined noise level in the vehicle.
  • Another beneficial one Embodiment provides that the motion signal via a vehicle speed sensor is detected.
  • the movement signal is sent to the Control unit output when the engine start is detected by a sensor.
  • the movement signal is sent to the Control unit depending on predetermined data from one Cross-system internal data bus issued.
  • the device according to the invention for the automatic detection of remotely transmitted Data in a vehicle with a receiver device and an evaluation / playback device is characterized by a motion sensor for detection a vehicle movement and for outputting a movement signal and a Control unit for outputting an activation signal to the receiver device, if a vehicle movement due to the movement signal by the control unit is recognized.
  • the device comprises a Noise signal sensor for detecting a corresponding to a noise level in the vehicle Noise signal and a memory for a predetermined value and a comparator to compare the noise signal with the specified value.
  • the signal for detecting the movement can also be a signal that is already used for the GALA function of an audio device, which allows the playback volume when audio signals are reproduced to be set automatically as a function of the noise level in the vehicle.
  • the noise signal can be, in particular, the GALA signal known in the prior art, which allows the playback volume to be set automatically as a function of the driving speed. This automatic control of the volume is under the term noise-dependent volume increase "(GALA) known. Since the noise in the passenger compartment occurs only when the vehicle is moving, the driving speed is a suitable means of detecting the movement of the vehicle.
  • the device comprises a Ignition sensor.
  • This can be a signal generator directly on the ignition lock or a sensor on one other components of the ignition system such. B. ignition coil or the like, the so generates an engine start signal.
  • the device comprises a data discriminator for messages on the cross-system data bus of the vehicle.
  • This data discriminator can be a simple monitoring device for certain data sequences on the data bus, e.g. B. a command that is usually sent immediately after starting the vehicle to components of the vehicle from a central controller that outputs a corresponding signal when a predetermined data sequence occurs.
  • other signals can be sent on the data bus are intercepted "which report the movement of the vehicle or the running of the engine. In particular, these can be signals for switching the ignition on and off, for activating / deactivating the alarm system or also for remote control of a central locking system and the like.
  • the invention relates to a radio with the features of the claim 11.
  • the radio device has the advantage that all available digital data and in particular the data about the current traffic situation are collected immediately and independent of the driver operation when a vehicle movement is detected and the driver is informed if necessary. That means that the driver does not have to do what forgotten ".
  • all digital data is immediately available to other vehicle components, such as a navigation device.
  • FIG. 1 The embodiment of a device according to the invention shown in FIG. 1 has one central unit 4a, which is connected to other peripheral components.
  • One of the peripheral components is a receiving element 1a for receiving remotely transmitted ones digital data represented by an antenna symbol.
  • the receiving element 1a is an antenna.
  • vehicle antennas to Suppress multi-path reception with transmitter wave reflections.
  • receive element 1a also be designed to receive GPS data with a different frequency be broadcast.
  • the playback device comprises one or more im Vehicle speakers.
  • the central processing device 4a comprises in the embodiment shown in FIG. 1 a receiver device 1, which is a (FM) tuner in the simplest case.
  • the Receiver device 1 is connected to the receiving element (s) 1a.
  • the receiving device 1 can have multiple receiving devices Include (tuner) of the same design, so that switching from a current one Reception frequency to another frequency is possible. This is particularly from Advantage as long as no RDS with transmission of alternative reception frequencies is available to which the system can automatically switch.
  • the switching of the frequency is controlled in a control unit 4 in the central unit 4a.
  • the data of the individual receiver devices from the Control unit 4 analyzed in terms of its reception quality, and depending on a second receiver device (not shown) is connected to the result and started a search to find an alternative frequency.
  • the incoming data In addition to the reception quality, its content is also analyzed. That is, if digital When data is received, its playback is highlighted accordingly. In particular, it is played at an increased volume. This analysis is done in one Processing device 2, which is shown with an amplifier symbol in FIG. 1.
  • the Processing device 2 is connected to the reproducing device 2a.
  • the control unit 4 gives the switch-on signal to the components mentioned only when necessary to reduce power consumption to keep small in the vehicle of many and powerful components.
  • the device according to the invention comprises a sensor 10 which outputs a signal to the control unit 4 when the vehicle drive is started, which in turn the activation signal to the receiver device 1 and other components issues. This means that only the devices that are actually required are always in active state held.
  • the monitoring of the data bus is on as a motion sensor corresponding signals indicated.
  • the vehicle has an electrical system 6 with a digital one Data bus via which the control unit 4 with further components, not shown of the vehicle communicates.
  • a data discriminator 11 is provided between the control unit 4 and the local interface 7 of the data bus 6 normal "operation of the vehicle has no function, but which, when the vehicle is started, listens to signals on the data bus of the vehicle which, for example, initiate certain vehicle components. In particular, these can be signals for switching the ignition on and off, for activating / deactivating the alarm system or also for remote control of a central locking system and the like. This enables simple and reliable monitoring of the movement of the vehicle.
  • the data discriminator 11 can be an AND gate after branching to tap the vehicle electrical system in the case of a parallel bus, which only outputs a signal with the logical value 1 if a certain bit sequence is present on the bus.
  • the pulse sequences after tapping would first be fed into a correspondingly wide shift register 3, which is continuously updated with the system clock rate, and then the same analysis of the data followed as for the parallel one bus
  • the data discriminator 11 is shown in FIG. 2 as an external component. However, he can of course also be integrated in the central processing unit 4a.
  • the central processing unit 4a additionally has an internal data bus for transmitting messages between the control unit 4 and further internal components 5a, 5b and 5c. These components are intended for the temporary storage of important information.
  • the embodiment of the device according to the invention shown in FIGS. 1 and 2 comprises a voice data memory 5a in which traffic messages are stored, so that the driver can listen to them as often as he wishes.
  • a memory for digital traffic data can be provided in coded form 5b, in which the messages and their messages are only stored in short form Verbalization "only takes place in the evaluation and playback device 2 or 2a, which has the advantage that the playback can always take place in the desired language.
  • a memory 5c for navigation data is provided, in which GPS correction data for a navigation device can be stored .

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Navigation (AREA)
EP98103880A 1997-04-24 1998-03-05 Démarrage automatique de l'enregistrement de données numériques radiodiffusées Expired - Lifetime EP0875876B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19717326 1997-04-24
DE19717326 1997-04-24

Publications (3)

Publication Number Publication Date
EP0875876A2 true EP0875876A2 (fr) 1998-11-04
EP0875876A3 EP0875876A3 (fr) 2000-07-05
EP0875876B1 EP0875876B1 (fr) 2004-01-14

Family

ID=7827625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98103880A Expired - Lifetime EP0875876B1 (fr) 1997-04-24 1998-03-05 Démarrage automatique de l'enregistrement de données numériques radiodiffusées

Country Status (2)

Country Link
EP (1) EP0875876B1 (fr)
DE (1) DE59810572D1 (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3721726A1 (de) * 1987-07-01 1989-01-12 Blaupunkt Werke Gmbh Autoradio
DE4110704C2 (de) * 1991-04-03 2000-10-26 Thomson Brandt Gmbh Schaltung für ein aus einem Rundfunkempfänger oder einem Rundfunkempfänger und einem Recorder bestehendes Audiogerät

Also Published As

Publication number Publication date
EP0875876B1 (fr) 2004-01-14
DE59810572D1 (de) 2004-02-19
EP0875876A3 (fr) 2000-07-05

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