# US 12,214,845 B1 · Electric device and control system of human-powered vehicle and non-transitory computer-readable storage medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,214,845 B1 - Document ID: US12214845B1 - Status: Granted - Kind: B1 - Application number: 18/489,822 - Filed: 2023-10-18 - Granted: 2025-02-04 - Earliest claimed: 2023-10-18 - Assignees: Shimano Inc. - Applicants: Shimano Inc. - Inventors: Shunsuke Yamamoto; Yu Goto; Akihiro Nozaki - Web page: https://patentgrep.com/patent/US12214845B1 ## CPC - B62M 9/122: electrically or fluid actuated; Controls thereof - B62J 45/20: Cycle computers as cycle accessories - B62M 9/123: changing gears automatically - B62M 9/132: electrically or fluid actuated; Controls thereof - B62M 25/08: with electrical or fluid transmitting systems - B62M: RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR {SINGLE-TRACK} CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES (arrangements or mounting of transmissions in vehicles in general B60K; transmission elements per se F16) - B62J: CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS ## Abstract An electric device of a human-powered vehicle comprises electronic controller circuitry. The electronic controller circuitry is configured to obtain at least one of chain guide information and sprocket information. The chain guide information is indicative of at least one chain guide. The sprocket information is indicative of at least one sprocket assembly. The electronic controller circuitry is configured to set one of at least two pieces of gear changing information as setting information based on the at least one of the chain guide information and the sprocket information. The electronic controller circuitry is configured to perform a gear shift control based on the setting information. Each of the at least two pieces of the gear changing information including at least two stop positions of a chain guide respectively corresponding to at least two sprockets of a sprocket assembly. ## Claims ### Claim 1 An electric device of a human-powered vehicle, the electric device comprising: electronic controller circuitry configured to obtain at least one of chain guide information and sprocket information, the chain guide information being indicative of at least one chain guide, the sprocket information being indicative of at least one sprocket assembly; the electronic controller circuitry being configured to set one of at least two pieces of gear changing information as setting information based on the at least one of the chain guide information and the sprocket information; the electronic controller circuitry being configured to perform a gear shift control based on the setting information; and each of the at least two pieces of the gear changing information including at least two stop positions of a chain guide respectively corresponding to at least two sprockets of a sprocket assembly. ### Claim 2 (depends on 1) The electric device according to claim 1, wherein the sprocket information includes at least one of: sprocket model information of each of at least two different sprocket assemblies; a total number of at least two sprockets included in each of at least two different sprocket assemblies; and a combination of at least two total tooth numbers of at least two sprockets included in each of at least two different sprocket assemblies. ### Claim 3 (depends on 1) The electric device according to claim 1, wherein the chain guide information includes at least one of: chain-guide model information of each of at least two different chain guides; and a reference distance of each of at least two different chain guides. ### Claim 4 (depends on 3) The electric device according to claim 3, wherein the reference distance includes a distance defined between a pivot axis of one of the at least two different chain guides and a rotational axis of a pulley of the one of the at least two different chain guides. ### Claim 5 (depends on 3) The electric device according to claim 3, wherein the reference distance includes a distance defined between a first rotational axis of a first pulley of one of the at least two different chain guides and a second rotational axis of a second pulley of the one of the at least two different chain guides. ### Claim 6 (depends on 1) The electric device according to claim 1, wherein the electronic controller circuitry is configured to store the at least two pieces of the gear changing information. ### Claim 7 (depends on 1) The electric device according to claim 1, wherein the at least two pieces of the gear changing information includes first gear changing information and second gear changing information, the first gear changing information includes at least two first stop positions of the chain guide, the second gear changing information includes at least two second stop positions of the chain guide, and a total number of the at least two first stop positions is different from a total number of the at least two second stop positions. ### Claim 8 (depends on 1) The electric device according to claim 1, wherein the at least two pieces of the gear changing information respectively correspond to at least two different sprocket assemblies, and the electronic controller circuitry is configured to set, as the setting information, one of the at least two pieces of the gear changing information which corresponds to the sprocket assembly. ### Claim 9 (depends on 1) The electric device according to claim 1, wherein the at least two pieces of the gear changing information respectively correspond to at least two different chain guides, and the electronic controller circuitry is configured to set, as the setting information, one of the at least two pieces of the gear changing information which corresponds to the chain guide. ### Claim 10 (depends on 1) The electric device according to claim 1, wherein the electronic controller circuitry is configured to obtain transmission model information of each of at least two different electric devices, and the electronic controller circuitry is configured to set one of the at least two pieces of the gear changing information as the setting information based on the transmission model information. ### Claim 11 (depends on 1) The electric device according to claim 1, further comprising communicator circuitry configured to receive the at least one of the chain guide information and the sprocket information from a communication device, the communication device being configured to output the at least one of chain guide information and sprocket information. ### Claim 12 (depends on 11) The electric device according to claim 11, wherein the communicator circuitry is configured to wirelessly receive the at least one of the chain guide information and the sprocket information from the communication device. ### Claim 13 (depends on 11) The electric device according to claim 11, wherein the electronic controller circuitry is configured to obtain, via the communicator circuitry, a user input received by the communication device. ### Claim 14 (depends on 11) The electric device according to claim 11, wherein the communication device is configured to obtain the at least two pieces of the gear changing information through an internet network. ### Claim 15 (depends on 11) The electric device according to claim 11, wherein the electronic controller circuitry is configured to execute a software update using the communicator circuitry, and the electronic controller circuitry is configured to update the at least two pieces of the gear changing information through the software update. ### Claim 16 (depends on 1) A control system of a human-powered vehicle, the control system comprising: the electric device according to claim 1; and a communication device configured to output the at least one of chain guide information and sprocket information. ### Claim 17 A non-transitory computer-readable storage medium storing at least one program for causing at least one computer to execute at least one process comprising: obtaining at least one of chain guide information and sprocket information via a user interface, the chain guide information being indicative of at least one chain guide, the sprocket information being indicative of at least one sprocket assembly; obtaining transmission model information of each of at least two different electric devices via the user interface; and transmitting via communicator circuitry to an electric device, based on the transmission model information and the at least one of the chain guide information and the sprocket information, information necessary to set one of at least two pieces of gear changing information as setting information. ### Claim 18 (depends on 17) The non-transitory computer-readable storage medium according to claim 17, wherein the sprocket information includes at least one of: sprocket model information of each of at least two different sprocket assemblies; a total number of at least two sprockets included in each of at least two different sprocket assemblies; and a combination of at least two total tooth numbers of at least two sprockets included in each of at least two different sprocket assemblies. ### Claim 19 (depends on 17) The non-transitory computer-readable storage medium according to claim 17, wherein the chain guide information includes at least one of: chain-guide model information of each of at least two different chain guides; and a reference distance of each of at least two different chain guides.