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1. WO2020193724 - WIRELESS CONTENT DISTRIBUTION

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

1. An electrical-to-optical converter apparatus for use in electrically isolating a portable server from a system of an aircraft, comprising:

an electrical input signal terminal for connection to an electrical output signal terminal of a system of the aircraft; and

an electrical-to-optical converter device, for example an LED, connected electrically to the electrical input signal terminal,

wherein the electrical-to-optical converter device is configured so as to convert an input electrical signal received at the electrical input signal terminal into an optical signal which is representative of the input electrical signal.

2. An optical-to-electrical converter apparatus for use in electrically isolating a portable server from a system of an aircraft, the optical-to-electrical converter apparatus comprising:

an electrical output signal terminal for connection to a portable server for use in the aircraft; and

an optical-to-electrical converter device, for example a photodiode, a phototransistor and/or a light dependent resistor, connected electrically to the electrical output signal terminal,

wherein the optical-to-electrical converter device is configured so as to convert a received optical signal into an output electrical signal which is representative of the optical signal and to transmit the output electrical signal to the electrical output signal terminal.

3. An optical isolator system for use in electrically isolating a portable server from a system of an aircraft, the optical isolator system comprising:

an electrical-to-optical converter apparatus for receiving an input electrical signal from the system of the aircraft and converting the input electrical signal into an optical signal which is representative of the input electrical signal; and

an optical-to-electrical converter apparatus for receiving the optical signal from the electrical-to-optical converter apparatus, for converting the received optical signal into an output electrical signal which is representative of the received optical signal, and for transmitting the output electrical signal to the portable server.

4. A method for use in electrically isolating a portable server from a system of an aircraft, the method comprising:

receiving an input electrical signal from the system of the aircraft;

converting the input electrical signal into an optical signal which is representative of the received electrical signal;

receiving the optical signal;

converting the received optical signal into an output electrical signal which is representative of the received optical signal; and

transmitting the output electrical signal to the portable server.

5. A portable server for wirelessly distributing content to a plurality of clients in an aircraft, comprising:

a memory or data store for storing content;

a wireless content transceiver for wireless communication with one or more of the clients located within the aircraft for wireless distribution of at least some of the stored content from the portable server to one or more of the clients; and

a wireless communication device which is configured to operate independently of the wireless content transceiver and which is configured to wirelessly receive information from one or more further wireless communication devices located within, and mounted to, the aircraft.

6. The portable server as claimed in claim 5, comprising a processing resource and a memory or data store, wherein the wireless communication device is configured to receive and detect a signal from each of the one or more further wireless communication devices located within the aircraft, and the processing resource is configured to determine, for example, decode, portable server location data from the signal detected by the wireless communication device and to store the determined portable server location data in the memory or data store.

7. The portable server as claimed in claim 6, wherein the portable server location data comprises an identifier for the aircraft such as a unique aircraft number or aircraft code.

8. The portable server as claimed in claim 7, wherein the portable server is configured to receive or monitor broadcast aircraft location information from the aircraft within which the portable server is located, and the processing resource is configured to use the aircraft identifier to distinguish between broadcast aircraft location information received from the aircraft within which the portable server is located and broadcast aircraft location information received from one or more other aircraft, to process the broadcast aircraft location information, and to generate, based on the processed broadcast aircraft location information, aircraft flight information for display on a moving map at the one or more clients.

9. The portable server as claimed in claim 8, wherein the broadcast aircraft location information comprises automatic dependent surveillance broadcast (ADSB) information.

10. The portable server as claimed in any one of claims 6 to 9, wherein the portable server location data comprises an identifier for an airline with which the aircraft is associated such as a unique airline number or airline code.

1 1 . The portable server as claimed in any one of claims 6 to 10, wherein the portable server location data comprises an identifier for each of the one or more further wireless communication devices located within the aircraft such as a unique further wireless communication device number or code for each of the one or more further wireless communication devices located within the aircraft.

12. The portable server as claimed in any one of claims 6 to 1 1 , wherein the portable server location data comprises a transmitted Transmit Power (TxPwr) setting of each of the one or more further wireless communication devices located within the aircraft.

13. The portable server as claimed in claim 12, wherein the processing resource is configured to use the received signal strength (RSS) from each of the one or more further wireless communication devices located within the aircraft and the transmitted Transmit Power (TxPwr) setting of each of the one or more further wireless communication devices located within the aircraft to determine a distance of the portable server from each of the one or more further wireless communication devices located within the aircraft, to use the determined distance of the portable server from each of the one or more further wireless communication devices located within the

aircraft and a known location of each of the one or more further wireless communication devices located within the aircraft to determine a location of the portable server within the aircraft, and to store the determined location of the portable server within the aircraft in the memory or data store.

14. The portable server as claimed in any one of claims 5 to 13, wherein the wireless communication device is configured to wirelessly receive the information from each of the one or more further wireless communication devices located within, and mounted to, the aircraft at a data rate which is lower than a data rate at which the wireless content transceiver is configured to wirelessly distribute at least some of the stored content to one or more of the clients.

15. The portable server as claimed in any one of claims 5 to 14, wherein the wireless communication device is configured to consume less power than the wireless content transceiver.

16. The portable server as claimed in any one of claims 5 to 15, wherein the wireless communication device and the wireless content transceiver are configured to use different wireless communication standards or protocols.

17. The portable server as claimed in any one of claims 5 to 16, wherein the wireless communication device is configured to use a Bluetooth wireless communication standard or protocol, for example wherein the wireless communication device comprises a Bluetooth receiver and each of the one or more further wireless communication devices comprises a Bluetooth transmitter.

18. The portable server as claimed in any one of claims 5 to 17, wherein the wireless communication device is configured to use a RFID wireless communication standard or protocol, for example wherein the wireless communication device comprises an RFID reader or scanner and each of the one or more further wireless communication devices comprises an RFID tag.

19. The portable server as claimed in any one of claims 5 to 18, wherein the portable server is configured to repeatedly monitor and/or scan for transmissions from each of the one or more further wireless communication devices located within the

aircraft or to repeatedly monitor and/or scan for each of the one or more further wireless communication devices located within the aircraft.

20. The portable server as claimed in any one of claims 5 to 19, wherein the wireless communication device of the portable server is configured to broadcast information wirelessly to one or more wireless communication devices of one or more other portable servers located within the aircraft to thereby advertise the presence of the portable server to the one or more other portable servers located within the aircraft, wherein the wireless communication device of the portable server is configured to receive information wirelessly from one or more wireless communication devices of one or more other portable servers located within the aircraft, and the processing resource is configured to determine the number of other portable servers located within the aircraft from the information received wirelessly from the one or more wireless communication devices of the one or more other portable servers located within the aircraft, to compare the determined number of other portable servers located within the aircraft with a known or expected number of other portable servers located within the aircraft, and to emit a warning indication or signal and/or to record a warning message if the number of other portable servers located within the aircraft determined from the information received wirelessly from the one or more wireless communication devices of the one or more other portable servers located within the aircraft does not match the known or expected number of other portable servers located within the aircraft.

21 . A portable server system for wirelessly distributing content to a plurality of clients in an aircraft, the portable server system comprising:

a portable server as claimed in any one of claims 5 to 20; and

the one or more further wireless communication devices located within, and mounted to, the aircraft.

22. A portable server system for wirelessly distributing content to a plurality of clients in an aircraft, the portable server system comprising:

a plurality of portable servers, wherein each portable server is configured as claimed in any one of claims 5 to 20; and

a plurality of further wireless communication devices located within, and mounted to, the aircraft, each further wireless communication device corresponding to one of the portable servers,

wherein the wireless communication device of each portable server is configured to operate independently of the wireless content transceiver of the same portable server and is configured to wirelessly receive information from each of the one or more further wireless communication devices located within, and mounted to, the aircraft.

23. A method for wirelessly distributing content to a plurality of clients in an aircraft, comprising:

wirelessly communicating content stored in a memory or data store of a portable server from a wireless content transceiver of the portable server to one or more of the clients within the aircraft; and

wirelessly communicating information from one or more further wireless communication devices located within, and mounted to, the aircraft to a wireless communication device of the portable server,

wherein the wireless communication device is configured to operate independently of the wireless content transceiver.

24. A portable server for use in a system for wirelessly distributing content to a plurality of clients in a local area, wherein the portable server is configured for storing content, the portable server is configured for wireless communication with one or more of the clients for wireless distribution of at least some of the stored content to one or more of the clients,

wherein at least some of the stored content comprises advertising content, and wherein the portable server is configured to:

assign a unique client identifier to a client when the client accesses the advertising content for the first time;

repeatedly collect data relating to the advertising content accessed by the client; and

store, in the portable server, the collected data relating to the advertising content accessed by the client together with the unique identifier for the client for transmission, sharing, merging, storing and/or recording details of the advertising content accessed by the client and the unique client identifier to, with, or at, a central ad server.

25. A portable server for use in a system for wirelessly distributing content to a plurality of clients in a local area, wherein the portable server is configured for storing content, the portable server is configured for wireless communication with one or more of the clients for wireless distribution of at least some of the stored content to one or more of the clients, wherein the portable server comprises a display for displaying status information relating to a status of the portable server, and wherein the display is configured so that the displayed status information persists after power is removed from the display, for example wherein the display comprises an e-Paper or an e-lnk display.