Classifications

• • G—PHYSICS
  • G08—SIGNALLING
  • G08G—TRAFFIC CONTROL SYSTEMS
  • G08G1/00—Traffic control systems for road vehicles
  • G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
  • G08G1/133—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams within the vehicle ; Indicators inside the vehicles or at stops
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B61—RAILWAYS
  • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
  • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
  • B61L15/0018—Communication with or on the vehicle or train
  • B61L15/0027—Radio-based, e.g. using GSM-R

Definitions

• the present invention relates to an embedded system and a method of broadcasting information in a vehicle. It finds particular application to information dissemination systems embedded in a train or a bus for the information of travelers.
• Embedded sound information broadcasting systems are known in a train which comprise an information server with a database, and means for broadcasting information prerecorded in the database. Generally, these systems also include a sound line for broadcasting the sound information, on which the operating staff of the train can directly intervene for example via a telephone handset, to broadcast specific voice messages.
• the problem then is to have an embedded system and a method of disseminating information in a vehicle that avoids having to go to a fixed location to disseminate information, and that allows to disseminate information from data from multiple sources and formats so that, regardless of the type of transport equipment, the transmission line, and / or the transmission network, the system of the invention provides interoperability between networks and / or different equipment and / or transmission lines.
• the object of the invention is therefore to provide a solution to the aforementioned problem among other problems.
• the invention thus relates, according to a first aspect, to a system for broadcasting information embedded in a vehicle, in particular for informing passengers in a train or on a bus, which comprises means for broadcasting information.
• the system further comprises a data coupling device interfacing by preferably non-wired with at least one individual communication device.
• This individual communication device sends its instructions and the information to be broadcast to the data coupling device.
• the latter controls the means of disseminating information.
• the software updates interventions on the data coupling device can be directly performed by the individual communication device without requiring intervention on board the vehicle.
• the data coupling device with a minimum of intelligence, allows the interfacing and dissemination of information from data from multiple sources and formats.
• the system of the invention ensures interoperability between networks and / or equipment and / or transmission lines. different.
• the data coupling device comprises a preferably non-wired communication module by which it receives its instructions and the information to be broadcast, and at least one output to an information transmission line connected to the means of disseminating information.
• the data coupling device comprises a logical unit for routing the information to be broadcast to the output (s).
• the data coupling device comprises a fault control module able to communicate with the logical unit for routing the information.
• the individual communication device comprises an information database to be broadcast.
• the system comprises an information server capable of communicating, preferably wirelessly, with the individual communication device to transmit information to be broadcast.
• interventions of software updates or data on the server can be directly performed by the individual communication device without requiring intervention on board the vehicle.
• the invention also relates, according to a second aspect, to a vehicle, in particular a train or a bus, equipped with the on-board information transmission system as presented above.
• the vehicle is composed of at least two cars, and the embedded information broadcast system comprises an information server.
• This one can be located in a first car and the data coupling device is then located in the same or another car.
• each car is equipped with an information repeater for example by non-wired way.
• the information server is connected to a satellite receiver.
• the invention finally relates, in a third aspect, to a method of broadcasting information in a vehicle, in particular for informing passengers on a train or on a bus.
• the vehicle is provided with information dissemination means, and a data coupling device preferably interfaced by non-wired means with at least one individual communication device from which it receives its instructions and the information to be broadcast.
• the method comprises a step of sending by the individual communication device an information broadcast command to the data coupling device, and a routing step by the data coupling device. information to be disseminated to the means of disseminating information.
• the data coupling device sends the individual communication device information on its state.
• the information broadcast by the information dissemination means is sound and / or visual information.
• FIG. 1 schematically represents an example of the onboard information dissemination system
• FIG. 2 schematically represents a data coupling device of the on-board information dissemination system of FIG. 1.
• FIG. 1 schematically represents an example of an on-board information transmission system in a train comprising two cars 9 and 10.
• an information server 2 which may optionally be coupled to a satellite receiver 12 equipped with a satellite antenna 13 for acquisition of data transmitted by the satellites 14.
• the train is equipped with an information broadcast line 8, generally sound but which may possibly be visual.
• This line 8 transports in a known manner from one car to another the information to be broadcast.
• the diffusion is carried out by information diffusion means 3, for example loudspeakers 3 in the case of sound information or display devices in the case of visual information.
• Each car 9 and 10 is equipped with a repeater 1 1, which communicates in particular with the server 2, and possibly with display devices 15.
• the communications are preferably non-wired, for example of the "Wifi" type.
• this data coupling device 4 is in the car 9, so the same car as that in which is the server 2. However, it could as well be in the car 10.
• This data coupling device 4 interfaces with the server 2, as well as with one or more individual communication devices 5, by non-wired means, for example of the "Wifi" type.
• These individual communication devices 5 may be for example digital personal assistant type, or any other intelligent portable device.
• the individual communication device 5 sends instructions to the data coupling device 4.
• This may be the sending of an order of diffusion of information which will then be directed by the data coupling device 4 to the information dissemination means 3.
• the data coupling device 4 can also periodically send to the individual communication device 5 information on its state.
• FIG. 2 diagrammatically represents a data coupling device 4 of the on-board information broadcasting system of FIG.
• the data coupling device 4 comprises a communication module 6.
• This communication module 6 is a non-wired communication module, for example of the "Wifi" type.
• the data coupling device 4 receives its instructions and the information to be broadcast by this communication module 6.
• the data coupling device 4 comprises at least one output 7 to the information broadcast line 8 connected to the broadcasting means information 3, as explained above with reference to Figure 1.
• the data coupling device 4 furthermore comprises a logical unit 1 for routing the information to be broadcast to the outlet (s) 7.
• the data coupling device 4 can also comprise a power supply module 16, conventional serial input / output connections 25 (for example for the management of devices display without a wired communication interface, device control such as a music radio, interfacing with a GPS), and analog audio inputs 18.
• auxiliary analog audio inputs 18 makes it possible to add sound sources and adaptation to an installation that does not have sufficient audio input, the data coupling device 4 then acting as an audio multiplexer.
• These analog audio inputs 18 are amplified by an amplifier 20, then mixed in an audio mixing module 21, at the same time as the outputs of the logic unit 1, after the latter have possibly been decompressed by the decompression module.
• the output data of the mixing module 21 are sent on the or on one of the output line (s) 7 for broadcasting by the information diffusion means 3 of FIG. 1 via the broadcast line 8 of this figure 1.
• these data are also sent to an amplifier 22 for power amplification.
• the data coupling device 4 also comprises a fault control module 19.
• This fault control module 19 makes it possible to permanently know the availability of the system, and to operate in "degraded" mode on a single audio channel in the case or the other is in default.
• This fault control module 19 takes its inputs, in particular from the amplifier module 20, the audio mixing module 21, and the decompression module 23, and sends its instructions to the logic unit 1 for routing the signal. information to be broadcast to the outlet (s) 7.
• the data coupling device as represented in FIG. 2 comprises two redundant outputs 7, towards the information broadcast line 8 of FIG. 1.
• FIG. is one of the 7 outputs that will be used.
• the data coupling device 4 may also include a room microphone input 24, which makes it possible to measure the ambient noise level and to adapt the general sound volume as a function of this ambient noise.
• the data coupling device 4 may further comprise several inputs / outputs 27 intended in particular for managing the audio line
• the data coupling device 4 may also comprise an odometric input line 26, for the measurement (programmable according to the sensors used) of the distance traveled in order to know the position of the vehicle.
• a local access socket 17 makes it possible to carry out maintenance on the data coupling device 4, in the event of the non-wired link being defective by the communication module 6.
• any other transmission mode than the "Wifi” can be used, such as "Bluetooth” for example, by replacing this module 6 with another appropriate module 6.

Landscapes

• Engineering & Computer Science (AREA)
• Radar, Positioning & Navigation (AREA)
• Remote Sensing (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Mechanical Engineering (AREA)
• Electric Propulsion And Braking For Vehicles (AREA)
• Train Traffic Observation, Control, And Security (AREA)
• Small-Scale Networks (AREA)
• Traffic Control Systems (AREA)
• Mobile Radio Communication Systems (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (2)

Family

ID=38200744

Family Applications (1)

Country Status (6)

Citations (5)

• 2006
  • 2006-12-15 FR FR0655539A patent/FR2910163B1/fr not_active Expired - Fee Related
• 2007
  • 2007-12-17 ES ES07871951T patent/ES2370064T3/es active Active
  • 2007-12-17 PT PT07871951T patent/PT2095350E/pt unknown
  • 2007-12-17 AT AT07871951T patent/ATE518223T1/de not_active IP Right Cessation
  • 2007-12-17 EP EP07871951A patent/EP2095350B1/de not_active Not-in-force
  • 2007-12-17 WO PCT/FR2007/052535 patent/WO2008084163A2/fr active Application Filing

Patent Citations (5)

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