# US 11,308,197 B2 · Intelligent device recognition using prompt frequency information > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,308,197 B2 - Document ID: US11308197B2 - Status: Granted - Kind: B2 - Application number: 17/037,092 - Filed: 2020-09-29 - Published: 2021-11-25 - Granted: 2022-04-19 - Earliest claimed: 2020-05-22 - Assignees: Beijing Xiaomi Mobile Software Co., Ltd. - Applicants: Beijing Xiaomi Mobile Software Co., Ltd. - Inventors: Wenjia Peng; Xinglong Zhang - Web page: https://patentgrep.com/patent/US11308197B2 ## CPC - G06F 18/00: Pattern recognition - G06F 21/445: {by mutual authentication, e.g. between devices or programs} - G06F 21/44: Program or device authentication - G06F 21/73: by creating or determining hardware identification, e.g. serial numbers - G16Y 30/10: Security thereof - G16Y 40/10: Detection; Monitoring - H04L 9/3234: {involving additional secure or trusted devices, e.g. TPM, smartcard, USB or software token (network architectures or network communication protocols for supporting authentication of entities using an additional device in a packet data network H04L63/0853)} - G06F 2218/12: Classification; Matching - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G16Y: INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE INTERNET OF THINGS [IoT] - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Methods, apparatuses, and non-transitory computer-readable storage mediums are provided for intelligent device recognition. The method may be applied to a terminal device. The terminal device may recognize prompt frequency information of a prompt circuit of an intelligent device. The terminal device may also determine a unique identification code of the intelligent device based on the prompt frequency information. The terminal device may further determine relevant information of the intelligent device based on the unique identification code. ## Claims ### Claim 1 An intelligent device recognition method, applied to a terminal device, wherein the method comprises: obtaining prompt frequency information of a prompt circuit of an intelligent device; determining a unique identification code of the intelligent device based on the prompt frequency information; and determining relevant information of the intelligent device based on the unique identification code, wherein the relevant information of the intelligent device comprises a manufacturer information, a type or a model of the intelligent device. ### Claim 2 (depends on 1) The intelligent device recognition method according to claim 1, wherein obtaining the prompt frequency information of the prompt circuit of the intelligent device comprises: obtaining visual prompt frequency information of a visual prompt circuit of the intelligent device; and wherein determining the unique identification code of the intelligent device based on the prompt frequency information comprises: determining the unique identification code of the intelligent device based on the visual prompt frequency information. ### Claim 3 (depends on 1) The intelligent device recognition method according to claim 1, wherein obtaining the prompt frequency information of the prompt circuit of the intelligent device comprises: obtaining sound signal frequency information of a sound prompt circuit of the intelligent device; and wherein determining the unique identification code of the intelligent device based on the prompt frequency information comprises: determining the unique identification code of the intelligent device based on the sound signal frequency information. ### Claim 4 (depends on 1) The intelligent device recognition method according to claim 1, wherein determining the unique identification code of the intelligent device based on the prompt frequency information comprises: querying a mapping table between the prompt frequency information and the unique identification code of the intelligent device based on the prompt frequency information, and determining the unique identification code of the intelligent device. ### Claim 5 (depends on 1) The intelligent device recognition method according to claim 1, wherein the method further comprises: obtaining a shape of the intelligent device; and determining the relevant information of the intelligent device based on the shape and the unique identification code of the intelligent device. ### Claim 6 An intelligent device processing method, comprising: obtaining prompt frequency information of a prompt circuit of an intelligent device, wherein the prompt frequency information comprises a unique identification code of the intelligent device for determining relevant information of the intelligent device; and controlling the prompt circuit to provide prompt information based on the prompt frequency information, wherein the relevant information of the intelligent device comprises a manufacturer information, a type or a model of the intelligent device. ### Claim 7 (depends on 6) The intelligent device processing method according to claim 6, wherein obtaining the prompt frequency information of the prompt circuit of the intelligent device comprises: obtaining visual prompt frequency information of a visual prompt circuit of the intelligent device, wherein the visual prompt frequency information comprises the unique identification code of the intelligent device; and wherein controlling the prompt circuit of the intelligent device to provide the prompt information based on the prompt frequency information comprises: controlling the visual prompt circuit to provide a visual prompt based on the visual prompt frequency information. ### Claim 8 (depends on 6) The intelligent device processing method according to claim 6, wherein obtaining the prompt frequency information of the prompt circuit of the intelligent device comprises: obtaining sound signal frequency information of a sound prompt circuit of the intelligent device, wherein the sound signal frequency information comprises the unique identification code of the intelligent device; and wherein controlling the prompt circuit of the intelligent device to provide the prompt information based on the prompt frequency information comprises: controlling the sound prompt circuit to provide a sound prompt based on the sound signal frequency information. ### Claim 9 (depends on 6) The intelligent device processing method according to claim 6, further comprising: establishing a mapping relationship between the unique identification code of the intelligent device and the prompt frequency information of the component of the intelligent device. ### Claim 10 An intelligent device recognition apparatus, comprising: one or more processors; and a non-transitory computer-readable storage medium configured to store instructions executable by the one or more processors; wherein the one or more processors are configured to: obtain prompt frequency information of a prompt circuit of an intelligent device; determine a unique identification code of the intelligent device based on the prompt frequency information; and determine relevant information of the intelligent device based on the unique identification code, wherein the relevant information of the intelligent device comprises a manufacturer information, a type or a model of the intelligent device. ### Claim 11 (depends on 10) The intelligent device recognition apparatus according to claim 10, wherein the one or more processors configured to obtain the prompt frequency information of the prompt circuit of the intelligent device are further configured to: obtain visual prompt frequency information of a visual prompt circuit of the intelligent device; and wherein the one or more processors configured to determine the unique identification code of the intelligent device based on the prompt frequency information are further configured to: determine the unique identification code of the intelligent device based on the visual prompt frequency information. ### Claim 12 (depends on 10) The intelligent device recognition apparatus according to claim 10 wherein the one or more processors are configured to obtain the prompt frequency information of the prompt circuit of the intelligent device are further configured to: obtain sound signal frequency information of a sound prompt circuit of the intelligent device; and wherein the one or more processors configured to determine the unique identification code of the intelligent device based on the prompt frequency information are further configured to: determine the unique identification code of the intelligent device based on the sound signal frequency information. ### Claim 13 (depends on 10) The intelligent device recognition apparatus according to claim 10, wherein the one or more processors configured to determine the unique identification code of the intelligent device based on the prompt frequency information are further configured to: query a mapping table between the prompt frequency information and the unique identification code of the intelligent device based on the prompt frequency information; and determine the unique identification code of the intelligent device. ### Claim 14 (depends on 10) The intelligent device recognition apparatus according to claim 10, wherein the one or more processors are further configured to: obtain a shape of the intelligent device; and determine the relevant information of the intelligent device based on the shape and the unique identification code of the intelligent device.