# US 12,223,786 B2 · Gate opening method and door unlocking method using portable terminal network address > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,223,786 B2 - Document ID: US12223786B2 - Status: Granted - Kind: B2 - Application number: 17/436,928 - Filed: 2020-03-04 - Published: 2022-06-02 - Granted: 2025-02-11 - Earliest claimed: 2019-03-08 - Assignees: connectFree Corporation - Applicants: Connectfree Corporation - Inventors: Kristopher Andrew Tate; Mitsuhiro Okamoto - Web page: https://patentgrep.com/patent/US12223786B2 ## CPC - G07C 9/00571: {operated by interacting with a central unit} - G08C 17/02: using a radio link - G07C 9/00182: {operated with unidirectional data transmission between data carrier and locks} - G07C 9/00309: {operated with bidirectional data transmission between data carrier and locks} - G07C 9/10: Movable barriers with registering means - G07C 9/20: involving the use of a pass - H04L 67/125: involving control of end-device applications over a network - H04M 11/025: {Door telephones (adapted for television H04N7/186)} - G07C 2009/00769: {with data transmission performed by wireless means} - G08C 2201/93: Remote control using other portable devices, e.g. mobile phone, PDA, laptop - 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 - G08C: TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS (fluid pressure transmitting systems F15B; mechanical means for transferring the output of a sensing member into a different variable G01D5/00; mechanical control systems G05G) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) ## Abstract A gate opening method includes: a step (S8) of transmitting a gate opening signal for making a request for opening of a gate, which is configured to restrict entry into a predetermined space, to the gate by using an IP address unique to a mobile terminal associated with a user; a step (S9) of determining whether or not to allow the user to enter the predetermined space based on a ticket management table and the IP address of the mobile terminal in response to reception of the gate opening signal; and a step (S11) of controlling the gate so that the user is able to enter the predetermined space in response to a determination that the user is allowed to enter the predetermined space. The ticket management table includes a plurality of pieces of network address information indicating a plurality of IP addresses unique to a plurality of mobile terminals. ## Claims ### Claim 1 A door unlocking method, comprising: a step of transmitting a door unlock signal for making a request for unlocking of a door of an object, to the object by using an authenticated network address unique to a mobile device; a step of determining whether or not to allow the unlocking of the door based on a management table and the authenticated network address of the mobile device in response to reception of the door unlock signal; and a step of unlocking the door in response to a determination that the unlocking of the door is allowed, wherein the management table includes a plurality of pieces of network address information indicating a plurality of authenticated network addresses unique to a plurality of mobile devices each of which is associated with one of a plurality of users; and wherein authentication of the authenticated network address is determined based on a public key corresponding to a private key of the mobile terminal. ### Claim 2 (depends on 1) The door unlocking method according to claim 1, further comprising: a step of locking or unlocking the door according to communication between the mobile device and the object after the door is unlocked. ### Claim 3 (depends on 1) The door unlocking method according to claim 1, wherein the management table includes a user management table and a reservation management table for the object, the user management table includes a plurality of pieces of user identification information regarding a plurality of users and the plurality of pieces of network address information each of which is associated with one of the plurality of pieces of user identification information, the reservation management table includes the plurality of pieces of user identification information, and the step of determining whether or not to allow the unlocking of the door includes a step of specifying user identification information corresponding to the authenticated network address of the mobile device based on the user management table and the authenticated network address of the mobile device, a step of determining whether or not the object is reserved by the user corresponding to the user identification information based on the specified user identification information and the reservation management table, and a step of determining that the unlocking of the door is allowed in a case where the object is reserved by the user corresponding to the user identification information. ### Claim 4 (depends on 1) The door unlocking method according to claim 1, wherein the management table includes a reservation management table for the object, the reservation management table includes the plurality of pieces of network address information, and the step of determining whether or not to allow the unlocking of the door includes a step of determining whether or not the object is reserved by the user associated with the mobile device based on the reservation management table and the authenticated network address of the mobile device, and a step of determining that the unlocking of the door is allowed in a case where the object is reserved by the user associated with the mobile device. ### Claim 5 (depends on 1) The door unlocking method according to claim 1, wherein the management table is stored in a management server communicably connected to the object through a communication network, and the step of determining whether or not to allow the unlocking of the door is executed by the management server, and includes a step of receiving information regarding the authenticated network address of the mobile device from the object through the communication network. ### Claim 6 (depends on 1) The door unlocking method according to claim 1, wherein the management table is stored in the object, and the step of determining whether or not to allow the unlocking of the door is executed by the object. ### Claim 7 (depends on 1) The door unlocking method according to claim 1, wherein the object is a vehicle. ### Claim 8 (depends on 1) The door unlocking method according to claim 1, wherein the object is a room. ### Claim 9 (depends on 1) A non-transitory computer-readable storage medium storing a door unlocking program causing a computer to execute the door unlocking method according to claim 1. ### Claim 10 (depends on 1) A door unlocking system, comprising: a mobile device associated with a user and having an authenticated network address unique to the mobile device; and an object communicably connected to the mobile terminal, wherein the door unlocking system is configured to execute the door unlocking method according to claim 1. ### Claim 11 (depends on 10) The door unlocking system according to claim 10, further comprising: a management server connected to the object through a communication network.