# US 2026/0100947 A1 · Identity authentication method, identity authentication device, and identity authentication system

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- Number: US 2026/0100947 A1
- Document ID: US20260100947A1
- Status: Published application
- Kind: A1
- Application number: 19/348,648
- Filed: 2025-10-02
- Published: 2026-04-09
- Earliest claimed: 2024-10-04
- Assignees: GHOST PASS Inc.
- Applicants: Ghost Pass Inc.
- Inventors: Seon Gwan LEE
- Web page: https://patentgrep.com/patent/US20260100947A1

## CPC

- H04L 63/0861: {using biometrical features, e.g. fingerprint, retina-scan (cryptographic mechanisms or cryptographic arrangements for entity authentication using biological data H04L9/3231)}
- G06F 21/32: using biometric data, e.g. fingerprints, iris scans or voiceprints
- G06Q 20/40145: {Biometric identity checks}
- G07C 9/10: Movable barriers with registering means
- G07C 9/257: {electronically (G07C9/26 takes precedence)}
- G07C 9/27: with central registration
- H04L 2463/082: applying multi-factor authentication
- H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- G06Q: INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- 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

## Abstract

Provided are an identity authentication method, an identity authentication device, and an identity authentication system. The identity authentication method may include transmitting an authentication signal and monitoring a server, detecting, based on the monitoring of the server, an update of a proximity state for an identity authentication device and an update of an authentication state for the identity authentication device, collecting, based on the proximity state for the identity authentication device corresponding to ON and the authentication state corresponding to OFF, authentication-purpose biometric data, and skipping, based on the proximity state for the identity authentication device corresponding to ON and the authentication state corresponding to ON, the collecting of the authentication-purpose biometric data.

## Claims

### Claim 1

An identity authentication method performed by an identity authentication requesting device, the identity authentication method comprising:
transmitting an authentication signal and monitoring a server;
based on the monitoring of the server, detecting an update of a proximity state for an identity authentication device and an update of an authentication state for the identity authentication device; and
based on the proximity state for the identity authentication device corresponding to ON and the authentication state corresponding to OFF, collecting authentication-purpose biometric data, and based on the proximity state for the identity authentication device corresponding to ON and the authentication state corresponding to ON, skipping the collecting of the authentication-purpose biometric data.

### Claim 2 (depends on 1)

The identity authentication method of claim 1, further comprising transmitting the collected authentication-purpose biometric data to the server.

### Claim 3 (depends on 2)

The identity authentication method of claim 2, further comprising:
detecting an update of a result value of a comparison between the authentication-purpose biometric data and registered biometric data stored on the identity authentication device; and
based on the updated result value, determining whether to allow or deny access to a restricted procedure.

### Claim 4 (depends on 1)

The identity authentication method of claim 1, wherein the update of the proximity state is requested by the identity authentication device that has received the authentication signal, and
the proximity state is updated to correspond to ON, in response to a request from the identity authentication device that has received the authentication signal.

### Claim 5 (depends on 1)

The identity authentication method of claim 1, wherein the authentication state is transmitted by the identity authentication device that has received the authentication signal, and is updated to correspond to the transmitted authentication state.

### Claim 6 (depends on 1)

The identity authentication method of claim 1, wherein the identity authentication requesting device is provided in a restricted access area and controls an operation of an access control gate included in the restricted access area.

### Claim 7

An identity authentication requesting device comprising:
a memory storing at least one program; and
a processor configured to execute the at least one program to transmit an authentication signal and monitor a server, detect, based on the monitoring of the server, an update of a proximity state for an identity authentication device and an update of an authentication state for the identity authentication device, collect, based on the proximity state for the identity authentication device corresponding to ON and the authentication state corresponding to OFF, authentication-purpose biometric data, and skip, based on the proximity state for the identity authentication device corresponding to ON and the authentication state corresponding to ON, the collecting of the authentication-purpose biometric data.

### Claim 8 (depends on 1)

A computer-readable recording medium having recorded thereon a program for causing a computer to execute the identity authentication method of claim 1.