WO2005057835A2 - Systeme de distribution d'informations destine a un aeronef - Google Patents

Systeme de distribution d'informations destine a un aeronef Download PDF

Info

Publication number
WO2005057835A2
WO2005057835A2 PCT/US2004/041502 US2004041502W WO2005057835A2 WO 2005057835 A2 WO2005057835 A2 WO 2005057835A2 US 2004041502 W US2004041502 W US 2004041502W WO 2005057835 A2 WO2005057835 A2 WO 2005057835A2
Authority
WO
WIPO (PCT)
Prior art keywords
optical
information
signals
signal
electrical
Prior art date
Application number
PCT/US2004/041502
Other languages
English (en)
Other versions
WO2005057835A3 (fr
Inventor
Larry Altneu
Larry Girard
Eric Moyer
Marc Booth
Ian Mcclelland
Original Assignee
Rogerson Aircraft Corporation
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 Rogerson Aircraft Corporation filed Critical Rogerson Aircraft Corporation
Publication of WO2005057835A2 publication Critical patent/WO2005057835A2/fr
Publication of WO2005057835A3 publication Critical patent/WO2005057835A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25—Arrangements specific to fibre transmission
    • H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752—Optical arrangements for wireless networks
    • H04B10/25753—Distribution optical network, e.g. between a base station and a plurality of remote units

Definitions

  • each passenger would be capable of accessing a myriad of entertainment choices. Further, each passenger would be capable of sending and receiving information in a variety of formats, including, voice communication, data communication, and e-mail communications. In addition, the passengers would be capable of accessing the World Wide Web while in transit.
  • An information distribution system for distributing communication and information is disclosed.
  • the information distribution system disclosed herein may be used in a variety of passenger conveyances, including, for example, ai ⁇ lanes, ships, trains, automobiles, and/or buses.
  • an information distribution system for a passenger conveyance includes an optical transmission unit configured to receive one or more electrical signals from one or more information sources and convert the signals to one or more optical signals, at least one area distribution device in communication with the optical transmission unit and configured to receive and convert the optical signals to electrical signals, and one or more information display units in communication with the area distribution device and configured to present the electrical signals to a passenger.
  • an information distribution system for a passenger conveyance includes an optical transmission unit configured to receive one or more electrical signals from one or more information sources and convert the signals to one or more optical signals, at least one optical fiber coupled to the optical transmission unit and configured to transmit the optical signals therethrough, at least one area distribution device coupled to the optical fiber and configured to receive and convert the optical signals to electrical signals, and one or more information display units in communication with the area distribution device and configured to present the electrical signals to a passenger.
  • an information distribution system for a passenger conveyance includes an optical transmission unit configured to receive one or more electrical signals from one or more information sources and convert the signals one or more optical signals, at least one area distribution device in communication with the optical transmission unit and configured to receive and convert the optical signals to electrical signals, and one or more information display units in communication with the area distribution device through a signal conduit and configured to present the electrical signals to a passenger.
  • the present application discloses an information distribution system for a passenger conveyance and includes an optical transmission unit configured to receive one or more electrical signals from one or more information sources and convert the signals one or more optical signals, at least one area distribution device in communication with the optical transmission unit and configured to receive and convert the optical signals to electrical signals, at least one ADB antenna configured to wirelessly transmit the electrical signals, and one or more information display configured to receive the wirelessly transmitted signals and present the signals to a passenger.
  • the present application also discloses a method of distributing information on a passenger conveyance and includes receiving at least one electrical signal from an information source, converting the electrical signal to an optical signal, distributing the optical signal to one or more locations throughout the passenger conveyance, converting the optical signal to an electrical signal, and presenting the electrical signal to a passenger.
  • FIG. 1 shows a diagram of an embodiment of an information distribution system for a passenger conveyance
  • FIG. 2 shows a diagram of an embodiment of an optical transmission unit for use in an information distribution system as shown in Fig. 1 ;
  • Fig. 3 shows a diagram of an embodiment of an area distribution box for use in an information distribution system as shown in Fig. 1 ;
  • FIG. 4 shows a diagram of an embodiment of a system control switch for use in an information distribution system as shown in Fig. 1;
  • FIG. 5 shows a diagram of an embodiment of an information junction box for use in an information distribution system as shown in Fig. 1 ;
  • FIG. 6 shows a diagram of an embodiment of an information display unit for use in an information distribution system as shown in Fig. 1 ;
  • Fig. 7 shows a diagram of an embodiment of an passenger control unit for use in an information distribution system as shown in Fig. 1;
  • FIG. 8 shows a diagram of another embodiment of an information distribution system for a passenger conveyance
  • FIG. 9 shows a diagram of an embodiment of an area distribution box for use in an information distribution system as shown in Fig. 8.
  • Fig. 10 shows a diagram of an embodiment of an wireless information junction box for use in an information distribution system as shown in Fig. 8.
  • Fig. 1 shows a diagram of an embodiment of an information distribution system.
  • the information distribution system includes three modules: an information capture module 20; an information distribution module 138; and an information display module 236.
  • the individual modules comprising the information distribution system 10 may be individually adapted to conform to the physical constraints and performance requirements of a variety of passenger conveyances.
  • the information capture module 20 includes an optical transmitter unit (OTU) 22 in communication with a number of information sources.
  • the OTU 22 is in communication with at least one external information source 23 and at least one onboard information system 32.
  • the OTU 22 may be configured to communicate with an external information system 23, an onboard information system, or both.
  • OTU optical transmitter unit
  • the external information source 23 comprises an antenna 24 in communication with the OTU 22 to a antenna conduit 26.
  • the antenna 24 may be configured to receive information from a variety of sources including, for example, a satellite 28.
  • the antenna 24 may be configured to receive one or more digital video broadcast (DVB) signals, audio signals, positioning information, or other satellite communication signals from the satellite 28.
  • the OTU 22 may be in communication with an aircraft inertial reference system (IRS) 30 configured to provide the OTU 22 with positioning information.
  • the IRS 30 may provide the OTU 22 with information related to aircraft location and attitude, azimuth, latitude, longitude roll, pitch, heading, and etc.
  • the OTU 22 may be in communication with any number of onboard information sources 32.
  • the onboard information sources 32 include one or more onboard servers, media appliances, or other devices capable of storing and distributing information therein.
  • Alternate onboard information sources include, without limitation, video recorders or playback devices, audio sources, and video gaming devices.
  • a modulator and up- converter may be positioned within the onboard information source 32 and configured to modulate and up-convert a signal received from the one or more servers 34 prior to transmission to the OTU 22.
  • the modulate may comprise a quadrature phase-shift keying (QPSK) modulator.
  • QPSK quadrature phase-shift keying
  • the modulator and up-converter 36 receives a signal from the one or more servers 34 and converts the signal to an L-band radio frequency (L-band) for transmission to the OTU 22 across an electrical conduit, such as a L-band coax 42.
  • the one or more servers 34 may be in communication with the OTU 22 through a communication conduit 40.
  • the OTU 22 may communication with the servers 34 via an Ethernet conduit 40.
  • the onboard information system 32 may be in communication with various off aircraft communication systems 38. Exemplary off aircraft communication systems include North American Telephone System (NATS) or cell phone based connectivity and may be configured to provide information to the aircraft during various docking procedures.
  • NTNS North American Telephone System
  • cell phone based connectivity may be configured to provide information to the aircraft during various docking procedures.
  • the OTU 22 of the information capture module 20 may be in communication with the information distribution module 138 through at least one conduit 44 and at least one optical fiber 46.
  • the conduit 44 comprises an Ethernet communication conduit permitting the OTU 22 to communicate with the information distribution module 138.
  • the conduit 44 provides power to the information distribution module 138 or to other parts of the system or related systems.
  • the at least one optical fiber 46 may comprise a single mode optical fiber.
  • the optical fiber 46 comprises a multi-mode optical fiber.
  • the information capture module 20 includes a modular architecture allowing the system to be adapted to receive information from an external information source 23, an onboard information source 32, or both.
  • the information capture module 20 of the information distribution system 10 may be substituted with an alternate information capture module without affecting the performance of the information distribution module 138 and/or the information display module 236.
  • either the information distribution module 138 and/or the information display module 236, or both modules, may be substituted with alternate information distribution modules and/or the information display modules without affecting the performance of the information capture module 20.
  • FIG. 2 shows a diagram of an embodiment of an OTU 22.
  • the OTU 22 includes an OTU information receiver section 60, an OTU power section 90, and an OTU transmission section 110.
  • the OTU information receiving section 60 includes an OTU processor and memory 62.
  • the OTU processor and memory 62 is in communication with an IRS receiver 64 and receives information from the IRS 30.
  • One or more serial port receivers 66 are in communication with one or more information sources 36, and an Ethernet NIC or adapter 68 is in communication with one or more communication conduits through an Ethernet port 34.
  • the OTU processor and memory 62 may also send and/or receive input 70 from the antenna 24, the IRS 30, or both.
  • the OTU processor and memory 62 may be in communication with or receive azimuth and elevation reference input 72.
  • the OTU processor and memory 62 may be in communication with and capable of controlling various motor controllers and drivers 74 connected to azimuth stepper motor driver output 76 and/or elevation stepper motor drive outputs 78.
  • the azimuth and elevation stepper motor outputs 76, 78, respectively may be in communication with one or more motor configured to control and maintain the positioning of the antenna 24 positioned on an aircraft fuselage, (see Fig. 1).
  • one or more polarlization controls, filters, or other components may be added to or inco ⁇ orated into the antenna and/or related systems.
  • the OTU power section 90 is configured to receive an input voltage 92 and process the input voltage for use by the information distribution system.
  • the input voltage 92 is filtered by an electromagnetic interference filter and cu ⁇ ent limiter 94 prior to being output as an output voltage 96 for use by the system.
  • the OTU power section 90 may include a holdup device 98 and one or more converters 100 configured to output voltage at various voltages as desired.
  • the converter 100 may comprise a DC to DC converter configured to reduce the input voltage 92 from approximately 28 volts DC to an output voltage of approximately 28 volts DC and 12 volts DC.
  • the OTU transmission section 110 includes an optical conversion module 112 and an optical transmission module 114.
  • the optical conversion module 112 is configured to convert one or more electrical signals to one or more optical signals. For example, multiple electrical signals received from the external and onboard information sources 23, 32, respectively, may be received by the optical conversion module 112 and converted to one or more optical signals having one or more channels therein.
  • the optical conversion module 112 may include a first converter 116 configured to convert a first signal 118 and a second converter 120 configured to convert a second signal 122 for use by the system.
  • the first signal 118 may comprise a right circular polarized Ku-band signal.
  • the first converter 116 may be configured to convert the first signal 118 from a Ku-band signal to an L- band signal having a frequency of about 950 Mhz to 1450 Mhz.
  • the second signal 122 may comprise a left circular polarized Ku-band signal.
  • the second converter may be configured to convert the second signal 122 from a Ku-band signal to an L-band signal having a frequency of about 1650 Mhz to about 2150 Mhz. Thereafter, the first and second converted signals are sent to a band stack filter/combiner and power supply 124 located within the optical transmission module 114.
  • the band stack filter/combiner and power supply 124 may be configured to receive an L-band output signal directly from the external information source 23, the onboard information source 32, or both.
  • the band stack filter/combiner and power supply is configured to filter and combine the various received signals from the first converter 116, the second converter 120 and any ancillary signals 126 received from the external or onboard information sources 23, 32, respectively, and output at least one signal 127 to the L-band to fiber converter/filter 128.
  • the L-band to fiber converter/filter 128 positioned within the optical transmission module 114 receives the signal 127 from the band stack filter/combiner 124 and converts the electrical signals 127 to an optical signal which is provided to the optical fiber 46.
  • the optical signal comprises multiple signals at various frequencies or amplitudes which may be communicated through the optical fiber 46.
  • the optical signal may comprise an amplitude modulated signal, commonly refe ⁇ ed to as RF-over-fiber signals.
  • the optical signal may be comprised of multiple channels.
  • the information distribution module 138 is in communication with the information capture module 20 through the conduit 44 and the optical fiber 46.
  • the information distribution module 138 includes at least one area distribution box (ADB) 140 in communication with at least one system control switch 142.
  • the information distribution section 138 includes a first ADB 140A and a second ADB 140B.
  • the first and second ADBs 140A, 140B may communicate through a control conduit 44' and an optical fiber 46'.
  • any number of ADBs 140 may be connected to the system.
  • the ADB 140B is in communication with the information display module 236 through an L-band conduit 144, a CAN bus 146, and a power conduit 148.
  • FIG. 3 shows an embodiment of an ADB 140.
  • the ADB 140 includes an ADB control section 150, an ADB power section 180, and an ADB signal conversion section 200.
  • the ADB control section 150 includes an ADB processor and memory 152 which is in communication with the Ethernet NIC or adaptor 154 configured to receive information from one or more Ethernet ports 156 through one or more Ethernet switches 158.
  • the ADB processor and memory 152 may include one or more serial receivers 160 configured to receive information from one or more serial ports 162, and one or more CAN bus receivers 164 configured to send and receive control information from a system maintenance port 166 port and the information display module 236.
  • the ADB processor and memory 152 may also be configured to receive inputs 168 from the system control switch 142.
  • the ADB power section 180 receives an input voltage 184 within a power supply of 182 position therein.
  • the power supply 182 may be configured to receive an AC input 184 and convert the AC input voltage 184 to a DC power voltage which may be supplied to one or more information display units 186.
  • the ADB power section 180 may include a power regulator 188 therein.
  • the signal conversion section 200 of the ADB 140 includes an optical receiver 202 therein.
  • the optical receiver 202 is in communication with the optical fiber 44 and includes an optical converter 204 configured to convert the incoming optical signal to an electrical signal for distribution to the information display module 236 (See Fig. 1).
  • the optical converter 204 converts the incoming optical signal to an L-band signal for distribution to the information display module 236.
  • the optical receiver 202 may also include one or more signal amplifiers 206 in communication with the optical converter 204 and one or more signal splitters 208 configured to provide an output electrical signal 210 to the information display section 236.
  • the signal amplifier 206 amplifies the electrical signal received from the optical converter 204.
  • the signal splitter 208 outputs a first output signal 210A and a second output signal 210B to the information display section 236.
  • any number of output signals 210 may be advanced to the information display module 236.
  • FIG. 4 shows an embodiment of a system control switch (SCS) 142 for use in an information distribution system 10.
  • the SCS 142 includes a control switch 220 capable of providing discrete inputs 168 to the ADB processor and memory 152 of the ADB 140.
  • the SCS 142 may also communicate with the ADB 140 via an alternate communication conduit.
  • the SCS 142 communicates with the ADB 140 via the Ethernet conduit 224.
  • the SCS 142 may further include one or more maintenance conduits 226 configured to provide information to various other systems of the passenger conveyance.
  • the maintenance conduit 226 may comprise the Ethernet conduit in connection with the various aspects of the passenger conveyance or aircraft maintenance system.
  • the information display module 236 is in communication with the ADB 140 through one or more information conduits.
  • the information display module 236 comprises an information junction box 238 which receives one or more electrical signals 210 from the ADB 140.
  • the IJB 238 includes at least one splitter 250 therein.
  • the IJB 238 receives an input signal 210 from the ADB 140 and splits the signal and distributes the signal to any number of information display units 240.
  • the input signal 210 is split by the splitter 250 into four output signals 252A-252D.
  • the IJB 238 is in communication with one or more information display units (IDU) 240 which are configured to display information to passengers.
  • IDU information display units
  • one or more audio devices 242 may be coupled to or in communication with the IDU 240 thereby enabling passengers to receive audio information via the information distribution system 10.
  • Exemplary information display units 240 include, for example, LCD displays, plasma displays, or any other information display known in the art.
  • the information display units 240 may be positioned on any number of locations on the passenger conveyance.
  • the displays 240 may be located on aircraft bulkheads, passenger seats, passenger arm rests, and/or overhead displays.
  • Fig. 6 shows an embodiment of an IDU 240 for use with the information distribution system 10.
  • the IDU 240 includes at least one microcontroller 260 position therein.
  • the microcontroller 260 is in communication with at least one receiver 262 via a processor 264.
  • the IDU 240 includes one receiver 262 positioned therein.
  • any number of receivers 262 may be positioned within the IDU 240.
  • the receiver 262 comprises a DVB receiver.
  • Receiver 262 is in communication with a display controller 266 coupled to a video display 268 configured to display information to a passenger.
  • the display 268 comprises an LCD display.
  • any number or type of display devices may be used with the information display section 236.
  • the receiver 262 may be coupled to an audio buffer 270 and configured to provide audio information to a personal control unit (PCU) 272 and/or any number of audio devices 242.
  • the receiver 262 receives an input signal 252 from the IJB 238 and displays information derived from the signal on the display device 268 and/or on the PCU 272 and/or audio device 242.
  • the receiver 262 may receive multiple DVB signals from the ADB 140.
  • the passenger would be capable of selecting viewing content from a plurality of viewing options or channels.
  • the microcontroller 260 may include at least one serial transceiver 274 configured to receive control information or signal 276 from PCU 272 or other control devices in the aircraft or other passenger conveyance.
  • the microcontroller 260 may communicate through a CAN bus tranceiver 278 with a CAN bus configured to receive system management information 280 from the ADB 140.
  • one or more auxiliary devices may be coupled to the micro controller 260.
  • an auxiliary device 282 is coupled to the microcontroller 260.
  • Exemplary auxiliary devices 282 include, without limitation, credit card readers, Ethernet connections, modem connections, or other devices.
  • a control panel 284 may be in communication with the microcontroller 260.
  • the control panel 284 includes one or more volume buttons 286 and one or more channel buttons 288 thereon.
  • the IDU 240 includes a power regulation device 290 therein.
  • the power regulation device 290 receives an input voltage 148 from the ADB 140.
  • the power regulation device 290 may be configured to provide output power 294 to a personal control unit 272 or other device such as a laptop computer.
  • Fig. 7 shows an embodiment of passenger control unit (PCU) 300 for use with the information display distribution system 10.
  • the PCU 300 comprises a microcontroller 302 in communication with a PCU display 304.
  • the PCU display 304 may be configured to provide information related to the video presentation, audio presentation, or both to the passenger.
  • the microcontroller 302 may include a control panel 284 (see Fig. 6) thereby permitting a passenger to control aspects of the information display unit 236.
  • the user may be capable of controlling the volume of an audio signal or the content viewed on the information display unit 240.
  • the microcontroller 302 may include a transceiver 308 in communication with the transceiver 274 position within the IDU 240 and receive input 274 therefrom.
  • the PCU 300 may include a PCU power regulator 306 configured to receive an output voltage 294 from the power regulation device 290 of the IDU 240.
  • the PCU 300 includes one or more audio inputs 272 configured to couple to any number of audio devices 242.
  • Exemplary auxiliary audio devices 242 include, for example, personal listening devices.
  • Figure 8 shows an alternate embodiment of an information distribution system 400. As shown, the information distribution system 400 includes an information capture module 420, an information distribution module 460, and an information display module 530.
  • the information capture module 420 includes an OTU 422 configured to receive information from an external information source 423, an onboard information source 432, or both.
  • the external information source 423 includes an antenna 424 configured to provide information in the form of an electrical signal to the OTU 422 via an antenna conduit 426.
  • the antenna 424 is configured to receive electrical signals and information from a variety of sources including, for example, a satellite 428.
  • the OTU 422 is configured to receive aircraft inertial reference information from the aircraft IRS 430.
  • the OTU 422 may also receive information from the onboard information source 432 via one or more electrical conduits.
  • the onboard information source 432 communicates with the OTU 422 via an Ethernet control conduit 440 and an L-band conduit 442.
  • any number of information conduits may be used to electrically couple the onboard information source 432, the external information source 423, or both to the OTU 422.
  • the onboard information source 432 include one or more servers 434 and a modulator and up-converter 436.
  • the one or more servers 434 may be used to store a variety of information including, for example, video images, maps, and audio information for use by passengers.
  • the one or more servers 434 may be capable of communicating with off-aircraft communication systems 438.
  • the OTU 422 of the present embodiment is configured to communicate with the information distribution module 460 via one or more conduits.
  • the OTU 422 communicates with the information distribution section 460 via an Ethernet conduit and at least one optical fiber.
  • the OTU 422 is configured to receive electrical signals from the external information source 423, the onboard information source 432, or both configured to convert the electrical signal into an optical signal to be transmitted over the optical fiber 446.
  • the internal components of the OTU 422 have been described in detail above and illustrated in Fig. 2.
  • the information distribution module 460 includes one or more area distribution boxes 462 and may include one or more system control switches 464 in communication therewith. As shown in the illustrated embodiment, one or more ADB antennas 466 may be coupled to and in electrical communication with one or more area distribution boxes 462. Optionally, one or more additional conduits may couple the information distribution section 460 to the information display section 530. For example, one or more conduits capable of providing power to the information display section 530 may be in communication with the area distribution boxes 462. As shown in the illustrated embodiment, the area distribution box 462 is in communication with the Ethernet conduit 444 and the optical fiber 446.
  • Fig. 9 shows a detailed diagram of the internal components of an embodiment of an area distribution box 462.
  • the area distribution box 462 includes an ADB control section 470, an ADB power section 500, and a signal conversion section 510.
  • the ADB control section 470 includes an ADB processor and memory 472 which is in communication with an Ethernet switch 480 through an Ethernet NIC or adapter 474.
  • the Ethernet switch 480 also is in communication with the Ethernet conduit 444 from the OTU 422.
  • the Ethernet switch 480 is in communication with the wireless communication control device 482.
  • the wireless communication control device 482 is configured to permit the ADB box 462 to communicate with the information display module 530 of the information distribution system 400 via a wireless communication link.
  • the wireless communication control device 482 comprises a controller configured to regulate communication along an 802.11 wireless communication link.
  • data 484 may be sent from and received within the Ethernet switch 480 through the wireless control communication device 482.
  • the ADB processor and memory device 472 includes at least one serial receiver 476 and at least one CAN bus receiver 478 thereby permitting the ADB 462 to receive and exchange information with various control systems of the passenger conveyance.
  • the ADB processor and memory device 472 may be configured to receive inputs 486 from the system control switch 464.
  • the ADB power section 500 of the ADB 462 includes a power supply 502 and a power regulator 504. As shown, an input voltage 184 is processed by the power supply 502 and is processed thereby to produce an output power 186 which is provided to the information display section 530. In one embodiment, the input voltage 184 comprises a 115 volt AC input.
  • the signal converter section 510 of the ADB 462 includes an optical receiver 512 located therein. The optical receiver 512 includes an optical to electrical signal converter 514 in communication with a block-up converter 516.
  • the optical receiver 512 may include one or more power amplifiers 518 configured to amplify a signal received from the block-up converter 516 prior to distributing an electrical signal through the ADB antenna 466.
  • an optical signal is received from the optical fiber 446 coupled to the fiber to electric signal converter 514 of the optical receiver 512.
  • the fiber to electrical signal converter 514 converts the optical signal to an electrical signal and forwards the converted signal to the block-up converter for further processing.
  • the electrical signal may comprise an L-band signal. Thereafter the final processed electrical signal is amplified by the power amplifier 518 and distributed by the ADB antenna 466 to the information display module 530.
  • the information display module 530 includes a wireless information junction box (WIJB) 534 having WIJB antenna 532 coupled thereto.
  • WIJB antenna 532 is configured to receive an electrical signal from the ADB antenna 466 located on the ADB 462.
  • Figure 10 shows a detailed diagram of a WSJB 534.
  • the WIJB antenna 532 is in communication with a low noise amplifier (LNA) 552 which amplifies the received input signal.
  • the LNA 552 communicates with a signal splitter 550 to a which is a low noise block converter (LNB) 554 located within the WSJB 534.
  • LNB low noise block converter
  • the signal splitter 550 receives a signal from the LNB 554 and splits the signal into one or more outputs 556 for distribution to one or more information display units 536 (see Fig. 8).
  • the components of the information display units 536 have been described above and are illustrate in Figs. 6-8.
  • the information distribution system may include ADBs which communicate with the information display module via an electrical conduits.
  • the ADBs which communicate with the information display module via a wireless communication link.
  • an information distribution system may be comprised partially of ADBs which communicate with the information display module via an electrical conduits, and partially of ADBs which communicate with the information display module via a wireless communication link.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

L'invention concerne un système de distribution d'informations destiné au transport de passagers et comprenant une unité de transmission optique conçue pour recevoir un ou plusieurs signaux électriques d'une ou de plusieurs sources d'informations et pour convertir ces signaux en un ou plusieurs signaux optiques, au moins un dispositif de distribution de zone en communication avec l'unité de transmission optique et conçu pour recevoir et convertir les signaux optiques en signaux électriques, ainsi qu'une ou plusieurs unités d'affichage d'informations en communication avec le dispositif de distribution de zone et conçues pour présenter les signaux électriques à un passager.
PCT/US2004/041502 2003-12-09 2004-12-09 Systeme de distribution d'informations destine a un aeronef WO2005057835A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52839003P 2003-12-09 2003-12-09
US60/528,390 2003-12-09

Publications (2)

Publication Number Publication Date
WO2005057835A2 true WO2005057835A2 (fr) 2005-06-23
WO2005057835A3 WO2005057835A3 (fr) 2006-07-27

Family

ID=34676842

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/041502 WO2005057835A2 (fr) 2003-12-09 2004-12-09 Systeme de distribution d'informations destine a un aeronef

Country Status (1)

Country Link
WO (1) WO2005057835A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11671183B2 (en) 2019-03-26 2023-06-06 Bluebox Aviation Systems Ltd Wireless content distribution

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6746161B2 (en) * 2000-03-17 2004-06-08 Seiko Epson Corporation Electrical distribution board with interconnected optical repeaters and electrical breakers
US20040208641A1 (en) * 2002-03-21 2004-10-21 Nortel Networks, Ltd. Method and system for encoding optical communication information during automatic laser shutdown restart sequence
US20050021602A1 (en) * 2002-02-05 2005-01-27 Pierre Noel Local network for data exchange between portable micro-computers of aircraft passengers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6746161B2 (en) * 2000-03-17 2004-06-08 Seiko Epson Corporation Electrical distribution board with interconnected optical repeaters and electrical breakers
US20050021602A1 (en) * 2002-02-05 2005-01-27 Pierre Noel Local network for data exchange between portable micro-computers of aircraft passengers
US20040208641A1 (en) * 2002-03-21 2004-10-21 Nortel Networks, Ltd. Method and system for encoding optical communication information during automatic laser shutdown restart sequence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11671183B2 (en) 2019-03-26 2023-06-06 Bluebox Aviation Systems Ltd Wireless content distribution

Also Published As

Publication number Publication date
WO2005057835A3 (fr) 2006-07-27

Similar Documents

Publication Publication Date Title
US20040139467A1 (en) Aircraft communication distribution system
US9100055B2 (en) Digital IF distribution networks for radio communications
US5929895A (en) Low cost hybrid video distribution system for aircraft in-flight entertainment systems
US10205511B2 (en) Multi-beam phased array for first and second polarized satellite signals
US5760819A (en) Distribution of a large number of live television programs to individual passengers in an aircraft
US7280825B2 (en) Aircraft in-flight entertainment system including low power transceivers and associated methods
US9509937B2 (en) Aircraft in-flight entertainment system with a distributed memory and associated methods
US5801751A (en) Distribution of satellite television programs to passengers in an aircraft when it is out of range of the satellites
US8111646B1 (en) Communication system for dynamically combining power from a plurality of propagation channels in order to improve power levels of transmitted signals without affecting receiver and propagation segments
US8744434B2 (en) Area entertainment system including digital radio service and associated methods
EP1835662B1 (fr) Dispositif client sans fil
US20060234700A1 (en) Aircraft in-flight entertainment system including digital radio service and associated methods
US9241137B2 (en) Aircraft in-flight entertainment system with enhanced seatback tray passenger control units and associated methods
US20050039208A1 (en) Wireless data communications system for a transportation vehicle
US8776146B2 (en) Aircraft in-flight entertainment system including a distributed digital radio service and associated methods
CN113225121B (zh) 一种无人机地面站及其信息传输方法和装置
US7587734B2 (en) Aircraft in-flight entertainment system including a registration feature and associated methods
US11211695B1 (en) Dual beam transmit system for analog beamforming airborne satellite communications
US8477692B2 (en) Radio communication system
US20140351868A1 (en) On-board communication devices for a cab of a vehicle, each with a media server and a radio module by means of which the devices are connected to one another in a wireless fashion
WO2005057835A2 (fr) Systeme de distribution d'informations destine a un aeronef
EP2611043A1 (fr) Système de communication pour combiner dynamiquement l'énergie de plusieurs canaux de propagation afin d'améliorer les niveaux d'énergie de signaux transmis sans affecter le récepteur et les segments de propagation
JPH1029597A (ja) 機内娯楽システム
US20220247485A1 (en) Satellite terminal antenna pointing arrangement using separate forward and return satellites
US20100246694A1 (en) Integrated reception system

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A2

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A2

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
122 Ep: pct application non-entry in european phase