# US 12,180,771 B2 · Dock door access apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,180,771 B2 - Document ID: US12180771B2 - Status: Granted - Kind: B2 - Application number: 17/974,700 - Filed: 2022-10-27 - Published: 2023-04-27 - Granted: 2024-12-31 - Earliest claimed: 2021-10-27 - Assignees: E Track Ltd - Applicants: E Track Limited - Inventors: Adam Slaney-Smith; David Alan Woodfield; Alan Page; Richard Comley; David Rathbone - Web page: https://patentgrep.com/patent/US12180771B2 ## CPC - E05F 15/76: responsive to devices carried by persons or objects, e.g. magnets or reflectors (E05F15/77 takes precedence) - G07C 9/00896: {specially adapted for particular uses} - G06K 7/1417: {2D bar codes} - G07C 9/29: the pass containing active electronic elements, e.g. smartcards - E05F 2015/767: {using cameras} - E05Y 2400/44: Sensors not directly associated with the wing movement - E05Y 2400/45: Control modes - E05Y 2400/856: Actuation thereof - E05Y 2900/106: for garages - G07C 2009/00936: {for key cabinets} - E05F: DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING - G07C: TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE - G06K: GRAPHICAL DATA READING (image or video recognition or understanding G06V); PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS - E05Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF ## Abstract A warehouse dock door control system (101) has a system controller (147), an interior side unit (144), an exterior side unit (142) comprising a key repository and a key detector. The key detector is configured to detect and identify a specific vehicle key having unique identification data associated therewith. The key detector is configured to detect the presence of the key within the key repository and to read the identification data associated therewith. The controller is configured to use the identification data to determine whether the vehicle key is an authorised vehicle key. In response to the determination, the controller communicates with the interior side unit to authorise opening of the dock door and controls the exterior side unit to secure the vehicle key in the key repository to inhibit removal therefrom until a signal is received indicating that a loading or unloading process is complete. ## Claims ### Claim 1 A warehouse dock door control system comprising: a system controller; an interior side unit; and an exterior side unit comprising a token detector configured to detect and identify a token, the token having unique identification data associated therewith; wherein: the token detector includes a plurality of token receiving slots configured to detect the token and read the identification data associated therewith, once the token is inserted into one of the plurality of token receiving slots, wherein one of the plurality of token receiving slots is a slot position indicating a live load operation is to be performed, and another of the plurality of token receiving slots is a slot position indicating a drop load operation is to be performed; and the system controller is configured to: use the identification data to determine whether the token is an authorized token upon being inserted into one of the plurality of token receiving slots; in response to the inserted token being authorized, send a signal to the interior side unit to authorise opening of the dock door; and, receive a signal confirming that unloading and/or loading is complete and that the dock door is closed, and, in response, communicate with the exterior side unit to authorise movement of the trailer away from the dock door; wherein the system has: a first, ‘live load’ mode operation, wherein the token is associated with a vehicle tractor unit, when the token has been inserted into the slot position indicating a live load operation is to be performed; and a second, ‘drop load’ mode operation, wherein the token is associated with one or more of: an authorized user; a lock or other device configured to inhibit removal of a trailer from the bay; and a transmitter connected to a device configured to determine whether a trailer is connected to a tractor unit, when the token has been inserted into the slot position indicating a drop load operation is to be performed. ### Claim 2 (depends on 1) A warehouse dock door control system according to claim 1, wherein: the token detector is configured to sense the presence of the token within the token receptacle and to read the identification data associated therewith; the controller is configured to use the identification data to determine whether the token is an authorised token; in response to the determination, communicate with the interior side unit to authorise opening of the dock door. ### Claim 3 (depends on 2) A warehouse dock door control system according to claim 2, wherein the system controller is configured to control the exterior side unit to secure the token to inhibit removal therefrom until a signal is received indicating that a loading or unloading process is complete. ### Claim 4 (depends on 2) A warehouse dock door control system according to claim 2, wherein in the first, ‘live load mode, the token is a vehicle key, or a token connected to a vehicle key. ### Claim 5 (depends on 4) A warehouse dock door control system according to claim 4, wherein the exterior side unit comprises at least one key fob receptacle configured to receive a key fob attached to a vehicle key. ### Claim 6 (depends on 5) A warehouse dock door control system according to claim 5, wherein the key fob receptacle comprises a fob detector configured to detect the presence of a key fob in the receptacle. ### Claim 7 (depends on 6) A warehouse dock door control system according to claim 6, wherein the fob detector comprises an RF component reader, which RFID component reader is configured to read the unique identification data from an RFID component associated with a fob, and to transmit the unique identification data to the controller. ### Claim 8 (depends on 5) A warehouse dock door control system according to claim 5, comprising a fob lock configured to selectively retain the fob within the receptacle to secure the key in a key repository. ### Claim 9 (depends on 4) A warehouse dock door control system according to claim 4, comprising a wireless key reader configured to read unique identification data from a key. ### Claim 10 (depends on 4) A warehouse dock door control system according to claim 4, wherein the key detection system comprises at least one of a weight sensor and a capacitive sensor. ### Claim 11 (depends on 10) A warehouse dock door control system according to claim 10, wherein the capacitive sensor is provided on a sloped surface directly below the key fob receptacle. ### Claim 12 (depends on 4) A warehouse dock door control system according to claim 4, wherein the key detection system comprises a key detection apparatus that detects a key on the basis of an interrupted beam. ### Claim 13 (depends on 4) A warehouse dock door control system according to claim 4, wherein the key detection system comprises a camera. ### Claim 14 (depends on 13) A warehouse dock door control system according to claim 13, wherein the camera is linked to an image processing computer comprising software configured to identify the presence of a vehicle key. ### Claim 15 (depends on 13) A warehouse dock door control system according to claim 13, comprising: a vehicle identification system; a database of vehicles or vehicle types linked to keys; wherein the software is configured to identify the key and to verify that the key corresponds to the vehicle in the bay adjacent the dock door. ### Claim 16 (depends on 15) A warehouse dock door control system according to claim 15, wherein the vehicle identification system comprises a registration plate recognition system. ### Claim 17 (depends on 16) A warehouse dock door control system according to claim 16, wherein the vehicle registration is matched to a vehicle model, and in which the key corresponding to the vehicle model is looked up in the database to verify the key. ### Claim 18 (depends on 4) A warehouse dock door control system according to claim 4, comprising a key repository having a closure with an electronically controlled lock. ### Claim 19 (depends on 4) A warehouse dock door control system according to claim 4, wherein in the second, ‘drop load’ mode, the exterior side unit comprising a key detector configured to detect and identify a specific site key having unique identification data associated therewith; wherein: the key detector is configured to detect the presence of the key within a key repository and to read the identification data associated therewith; the controller is configured to use the identification data to determine whether the site key is an authorised site key; in response to the determination, communicate with the interior side unit to authorise opening of the dock door; wherein the system controller is configured to control the exterior side unit to secure the site key in the key repository to inhibit removal therefrom until a signal is received indicating that a loading or unloading process is complete.