# US 7,669,270 B2 · System and method for wireless communication between an aircraft and a passenger boarding bridge > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,669,270 B2 - Document ID: US7669270B2 - Status: Granted - Kind: B2 - Application number: 11/589,754 - Filed: 2006-10-31 - Published: 2008-05-01 - Granted: 2010-03-02 - Earliest claimed: 2006-10-31 - Assignees: DEW Engineering and Development ULC - Inventors: Neil Hutton - Web page: https://patentgrep.com/patent/US7669270B2 ## CPC - B64F 1/3055: {with hinged head interface between aircraft and passenger bridge} - B64F: GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR ## Abstract A method of aligning one end of a passenger boarding bridge with a doorway of an aircraft includes a step of parking the aircraft within a parking space that is defined adjacent to the passenger boarding bridge. An imager disposed aboard the aircraft is used for scanning a target that is located proximate the parking space, the target including machine-readable information that is uniquely associated with the passenger boarding bridge. Data relating to the machine-readable information of the target is extracted from image data and used for encoding a signal for transmission to a controller of the passenger boarding bridge. The controller determines the presence of the extracted data and compares the data to a unique bridge identifier code for that passenger boarding bridge. When a match is determined, then communication with an aircraft within or proximate a parking space adjacent to that passenger boarding bridge is confirmed. ## Claims ### Claim 1 A method of initiating wireless communication between an aircraft and a controller of a passenger boarding bridge, a parking space being defined adjacent to the passenger boarding bridge within which parking space the aircraft is parked during a current alignment operation, the method comprising: parking the aircraft within the parking space; using an imager disposed aboard the aircraft, scanning a target that is located proximate the parking space, the target including machine-readable bar code information that is uniquely associated with the passenger boarding bridge; extracting data relating to the machine-readable bar code information of the target; encoding a signal with the extracted data for transmission to the passenger boarding bridge via a communication module of the aircraft; and, transmitting the encoded signal from the communication module of the aircraft to a receiver that is in communication with the passenger boarding bridge, wherein the encoded signal is accepted as a valid signal for the current alignment operation when it is determined that the encoded signal is encoded using the extracted data. ### Claim 2 (depends on 1) A method according to claim 1, wherein the extracted data is indicative of a unique identifier that is associated with the passenger boarding bridge. ### Claim 3 (depends on 1) A method according to claim 1, wherein encoding a signal comprises encrypting the signal using the extracted data as a cryptographic key, the encrypted signal for being transmitted to the passenger boarding bridge during a current bridge alignment operation. ### Claim 4 (depends on 1) A method according to claim 1, wherein extracting data is performed using a processor disposed aboard the aircraft, the processor in communication with both of the imager and the communication module. ### Claim 5 (depends on 4) A method according to claim 4, wherein encoding a signal is performed using the processor disposed aboard the aircraft. ### Claim 6 (depends on 1) A method according to claim 1, wherein encoding a signal comprises providing control signal data relating to a current bridge alignment operation and attaching the extracted data to the control signal data. ### Claim 7 (depends on 6) A method according to claim 6, wherein the control signal data comprises a call signal for initiating an automated bridge alignment operation. ### Claim 8 (depends on 6) A method according to claim 6, wherein the control signal data comprises an instruction for initiating a movement of the passenger boarding bridge during a current bridge alignment operation. ### Claim 9 (depends on 6) A method according to claim 6, wherein the control signal data comprises a beacon signal for providing an indication of a location of the doorway to which the one end of the passenger boarding bridge is to be aligned. ### Claim 10 (depends on 1) A method according to claim 1, wherein encoding a signal comprises providing control signal data relating to a current bridge alignment operation and encrypting the control signal data using the extracted data as a cryptographic key. ### Claim 11 (depends on 10) A method according to claim 10, wherein the control signal data comprises a call signal for initiating an automated bridge alignment operation. ### Claim 12 (depends on 10) A method according to claim 10, wherein the control signal data comprises an instruction for initiating a movement of the passenger boarding bridge during a current bridge alignment operation. ### Claim 13 (depends on 10) A method according to claim 10, wherein the control signal data comprises a beacon signal for providing an indication of a location of the doorway to which the one end of the passenger boarding bridge is to be aligned. ### Claim 14 (depends on 1) A method according to claim 1, wherein encoding a signal is performed for verifying that the one end of the passenger boarding bridge is being aligned with a doorway of an aircraft that is parked within the parking space adjacent to that passenger boarding bridge. ### Claim 15 A method of initiating wireless communication between an aircraft and a controller of a passenger boarding bridge, a parking space being defined adjacent to the passenger boarding bridge within which parking space the aircraft is parked during a current alignment operation, the method comprising: providing a passenger boarding bridge including a bridge alignment control system; associating a unique identifier with the passenger boarding bridge; displaying a target at a location that is proximate the passenger boarding bridge, the target comprising machine-readable bar code information relating to the unique identifier; using a receiver that is in communication with the bridge alignment control system, receiving a wireless signal transmitted from the aircraft; processing the wireless signal to determine a presence of data relating to the unique identifier within the wireless signal; and, accepting the wireless signal as a control signal for a current bridge alignment operation when it is determined that the wireless signal includes the data relating to the unique identifier. ### Claim 16 (depends on 15) A method according to claim 15, wherein displaying the target comprises displaying the target such that the target is substantially obscured when viewed from a location outside the aircraft parking space. ### Claim 17 (depends on 15) A method according to claim 15, wherein processing the wireless signal comprises decrypting the wireless signal using the unique identifier as a cryptographic key. ### Claim 18 (depends on 15) A method according to claim 15, wherein the control signal comprises a call signal transmitted from the aircraft for initiating an automated bridge alignment operation. ### Claim 19 (depends on 15) A method according to claim 15, wherein the control signal comprises an instruction signal transmitted from the aircraft for initiating a movement of the passenger boarding bridge during a current bridge alignment operation. ### Claim 20 (depends on 15) A method according to claim 15, wherein the control signal comprises a beacon signal transmitted from the aircraft for providing an indication of a location of the doorway to which the one end of the passenger boarding bridge is to be aligned. ### Claim 21 (depends on 15) A method according to claim 15, wherein the bridge alignment control system is an automated bridge alignment control system for aligning the one end of the passenger boarding bridge with the doorway of the aircraft in an automated manner. ### Claim 22 (depends on 15) A method according to claim 15, comprising using a sensor that is in communication with the bridge alignment control system, sensing an indication of the aircraft being within the parking space, wherein the sensor is disposed at a location that is remote from the aircraft. ### Claim 23 A system for initiating wireless communication between an aircraft and a controller of a passenger boarding bridge, a parking space being defined adjacent to the passenger boarding bridge within which parking space the aircraft is parked during a current alignment operation, the system comprising: a target disposed at a location that is proximate the passenger boarding bridge and comprising machine-readable bar code information that is indicative of a unique identifier associated with the passenger boarding bridge; an imager disposed aboard the aircraft for scanning the target during a period of time in which the aircraft is parked within the parking space; a first processor disposed aboard the aircraft for extracting data relating to the unique identifier from the scanned image; a transmitter disposed aboard the aircraft and in communication with the first processor, the transmitter for wirelessly transmitting a signal encoded with the extracted data; a receiver disposed at a location that is remote from the aircraft for receiving the signal encoded with the extracted data; and, a second processor in communication with the receiver for processing the received signal and for identifying the extracted data contained within the received signal. ### Claim 24 (depends on 23) A system according to claim 23, wherein the imager comprises a bar code scanner. ### Claim 25 (depends on 23) A system according to claim 23, wherein the target is mounted adjacent a surface of the passenger boarding bridge. ### Claim 26 (depends on 23) A system according to claim 23, wherein the passenger boarding bridge comprises a pivotal cabin disposed at an outboard end thereof, and wherein the target is mounted adjacent a top surface of the pivotal cabin. ### Claim 27 (depends on 23) A system according to claim 23, wherein the passenger boarding bridge comprises a pivotal cabin disposed at an outboard end thereof, and wherein the target is mounted adjacent a lower surface of the pivotal cabin. ### Claim 28 (depends on 23) A system according to claim 23, wherein the passenger boarding bridge comprises a passageway section having an inboard end and an outboard end, and wherein the target is mounted adjacent a surface of the passageway section. ### Claim 29 (depends on 23) A system according to claim 23, wherein the target includes a plurality of information display portions, each information display portion containing a different unique bridge identifier for being displayed in a selectable fashion. ### Claim 30 (depends on 23) A system according to claim 23, comprising a shroud disposed around a portion of the target for preventing imaging of the target from outside of a predetermined imaging area within or proximate the parking space. ### Claim 31 (depends on 23) A system according to claim 23, comprising one of a film and a screen disposed in front of the target for preventing imaging of the target from outside of a predetermined imaging area within or proximate the parking space.