# US 11,452,149 B2 · System and method of recovering pairing information of wireless devices > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,452,149 B2 - Document ID: US11452149B2 - Status: Granted - Kind: B2 - Application number: 16/551,504 - Filed: 2019-08-26 - Published: 2021-02-11 - Granted: 2022-09-20 - Earliest claimed: 2019-08-05 - Assignees: Beken Corporation - Applicants: Beken Corporation - Inventors: Lizhen Zhu; Caogang Yu - Web page: https://patentgrep.com/patent/US11452149B2 ## CPC - H04W 76/11: Allocation or use of connection identifiers - G06F 13/4282: {on a serial bus, e.g. I2C bus, SPI bus (on daisy chain buses G06F13/4247)} - H04W 76/19: Connection re-establishment - H04W 84/18: Self-organising networks, e.g. ad-hoc networks or sensor networks - G06F 2213/0042: Universal serial bus [USB] - H04W 76/14: Direct-mode setup - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A system for recovering pairing information of wireless devices is provided. The system may include a first device (such as a mouse) and a second device (such as a dongle) that are wirelessly paired. The system can determine a pairing information damage in one of the first device and the second device, and can automatically recover the pairing information without even noticed by the user. In this way, the system can be less affected by the pairing information damage, and can have extended product life and improved customer experience. ## Claims ### Claim 1 A system comprising: a first device comprising a first storage; and a second device comprising a second storage and configured to wirelessly communicate with the first device, wherein each of the first device and the second device stores a first device identification, a second device identification, a first device standard code calculated as a function of the first device identification by using a calculation algorithm, and a second device standard code calculated as a function of the second device identification by using the calculation algorithm; wherein under a condition, the first device is configured to: calculate, by using the calculation algorithm, a first device checking code as a function of the first device identification, and a second device checking code as a function of the second device identification, compare the first device checking code with the first device standard code, and compare the second device checking code with the second device standard code, determine a damage of the first device identification in the first device responsive to determining whether first device checking code matches the first device standard code in the first device, and determine a damage of the second device identification in the first device responsive to determining whether the second device checking code matches the second device standard code in the first device. ### Claim 2 (depends on 1) The system of claim 1, wherein the first device comprises a mouse, and wherein the second device comprises a dongle. ### Claim 3 (depends on 1) The system of claim 1, wherein the first device comprises the first storage, a first logic circuit, a motion sensor, and a pressure sensor, and wherein the second device comprises the second storage and a second logic circuit. ### Claim 4 (depends on 1) The system of claim 1, wherein under a condition, the first device is configured to determine a damage in one of the first device identification and the second device identification in the first device. ### Claim 5 (depends on 4) The system of claim 4, wherein the condition is satisfied when the first device detects a motion of the first device or a pressure on the first device. ### Claim 6 (depends on 4) The system of claim 4, wherein responsive to determining a damage of the first device identification in the first device, the first device is configured to obtain a copy of the first device identification from the second device, and save the copy of the first device identification in the first device. ### Claim 7 (depends on 4) The system of claim 4, wherein responsive to determining a damage of the second device identification in the first device, the first device is configured to obtain a copy of the second device identification from the second device, and save the copy of the second device identification in the first device. ### Claim 8 (depends on 1) The system of claim 1, wherein the second device is configured to periodically check whether one of the first device identification and the second device identification in the second device is damaged. ### Claim 9 (depends on 8) The system of claim 8, wherein responsive to determining a damage of the first device identification in the second device, the second device is configured to obtain a copy of the first device identification from the first device, and save the copy of the first device identification in the second device. ### Claim 10 (depends on 8) The system of claim 8, wherein responsive to determining a damage of the second device identification in the second device, the second device is configured to obtain a copy of the second device identification from the first device, and to save the copy of the first device identification in the second device. ### Claim 11 A method of recovering wireless pairing information of a first device and a second device, the first device and the second device each storing a first device identification, a second device identification, a first device standard code calculated as a function of the first device identification using an algorithm, and a second device standard code calculated as a function of the second device identification using the algorithm, the method comprising: under a condition, using the algorithm by the first device, calculating a first device checking code as a function of the first device identification, and a second device checking code as a function of the second device identification; determining by the first device whether the first device checking code matches the first device standard code, and whether the second device checking code matches the second device standard code; responsive to determining no matching between the first device checking code and the first device standard code, obtaining by the first device a copy of the first device identification from the second device, and saving the copy of the first device identification in the first device; and responsive to determining no matching between the second testing code and the second device standard code, obtaining by the first device a copy of the second device identification from the second device, and saving the copy of the second device identification in the first device. ### Claim 12 (depends on 11) The method of claim 11, wherein the first device comprises a wireless mouse, wherein the second device comprises a wireless dongle. ### Claim 13 (depends on 11) The method of claim 11, wherein the algorithm comprises Cyclic Redundancy Check (CRC). ### Claim 14 (depends on 11) The method of claim 11, wherein the condition is satisfied when the first device detects a motion of the first device or a pressure on the first device. ### Claim 15 A method of recovering wireless pairing information of a first device and a second device, the first device and the second device each storing a first device identification, a second device identification, a first device standard code calculated as a function of the first device identification using an algorithm, and a second device standard code calculated as a function of the second device identification using the algorithm, the method comprising: using the algorithm by the second device, calculating a first device checking code of the second device as a function of the first device identification, and a second device checking code of the second device as a function of the second device identification; determining by the second device whether the first device checking code of the second device matches the first device standard code, and whether the second device checking code matches the second device standard code; responsive to determining no matching between the first device checking code of the second device and the first device standard code, obtaining by the second device a copy of the first device identification from the first device, and saving the copy of the first device identification in the second device; and responsive to determining no matching between the second checking code of the second device and the second device standard code, obtaining by the second device a copy of the second device identification from the first device, and saving the copy of the second device identification in the second device. ### Claim 16 (depends on 15) The method of claim 15, wherein the second device is linked to an electronic device via a Universal Serial Bus (USB), and is powered by the electronic device. ### Claim 17 (depends on 15) The method of claim 15, wherein the second device is configured to periodically calculate the first device checking code and the second device checking code. ### Claim 18 (depends on 15) The method of claim 15, wherein the second device is configured to calculate the first device checking code and the second device checking code responsive to the second device being linked to an electronic device via a Universal Serial Bus. ### Claim 19 (depends on 15) The method of claim 15, further comprising: using the algorithm by the first device, calculating a first device checking code of the first device as a function of the first device identification of the first device, and a second device checking code of the first device as a function of the second device identification of the first device; determining by the first device whether the first device checking code of the first device matching the first device standard code, and whether the second device checking code of the first device matching the second device standard code; responsive to determining no matching between the first device checking code of the first device and the first device standard code, obtaining by the first device a copy of the first device identification from the second device, and saving the copy of the first device identification in the first device; and responsive to determining no matching between the second testing code of the first device and the second device standard code, obtaining by the first device a copy of the second device identification from the second device, and saving the copy of the second device identification in the first device.