# US 12,214,798 B2 · Remaining battery level display method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,214,798 B2 - Document ID: US12214798B2 - Status: Granted - Kind: B2 - Application number: 18/323,419 - Filed: 2023-05-25 - Published: 2024-03-14 - Granted: 2025-02-04 - Earliest claimed: 2022-09-12 - Assignees: Toyota Jidosha Kabushiki Kaisha - Applicants: Toyota Jidosha Kabushiki Kaisha - Inventors: Yoshihiro Sakayanagi - Web page: https://patentgrep.com/patent/US12214798B2 ## CPC - B60K 35/21: using visual output, e.g. blinking lights or matrix displays - B60W 50/14: Means for informing the driver, warning the driver or prompting a driver intervention - B60K 35/28: characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver - B60K 2360/168: Target or limit values - B60K 2360/169: Remaining operating distance or charge - B60W 2050/146: {Display means} - B60W 2510/244: Charge state - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT ## Abstract A remaining battery level display method is a method of displaying a remaining battery level of a rental electric vehicle, and includes: setting an allocated battery capacity allocated to a user of the rental electric vehicle; and displaying, on a display of the rental electric vehicle, remaining level information based on the allocated battery capacity. The displaying of the remaining level information includes: displaying, as 100%, a remaining battery level at a start of rental to the user, displaying, as 0%, a remaining battery level lower than an actual remaining battery level at the start of the rental by the allocated battery capacity, and displaying the remaining battery level so as to decrease between 100% and 0% in accordance with a decrease in the actual remaining battery level. ## Claims ### Claim 1 A remaining battery level display method of displaying a remaining battery level of a rental electric vehicle, comprising: setting an allocated battery capacity allocated to a user of a plurality of users of the rental electric vehicle; and displaying, on a display of the rental electric vehicle, remaining level information based on the allocated battery capacity, wherein the displaying of the remaining level information includes: displaying, as 100%, a remaining battery level at a start of rental to the user of the plurality of users, displaying, as 0%, a remaining battery level lower than an actual remaining battery level at the start of the rental by the allocated battery capacity, and displaying the remaining battery level so as to decrease between 100% and 0% in accordance with a decrease in the actual remaining battery level for the allocated battery capacity for the user of the plurality of users. ### Claim 2 (depends on 1) The remaining battery level display method according to claim 1, wherein the displaying of the remaining level information includes displaying a negative range lower than 0%. ### Claim 3 (depends on 1) The remaining battery level display method according to claim 1, wherein the displaying of the remaining level information includes displaying a range higher than 100%. ### Claim 4 A remaining battery level display method of displaying a remaining battery level of a rental electric vehicle, comprising: setting an allocated battery capacity allocated to a user of a plurality of users of the rental electric vehicle; and displaying, on a display of the rental electric vehicle, remaining level information based on the allocated battery capacity, wherein the displaying of the remaining level information includes: displaying, as a remaining battery level at a start of rental to the user of the plurality of users, the allocated battery capacity or a distance travelable with the allocated battery capacity, displaying, as 0, a remaining battery level lower than an actual remaining battery level at the start of the rental by the allocated battery capacity, and displaying the remaining battery level so as to decrease between the allocated battery capacity, or the distance, and 0, in accordance with a decrease in the actual remaining battery level for the allocated battery capacity for the user of the plurality of users. ### Claim 5 (depends on 4) The remaining battery level display method according to claim 4, wherein the displaying of the remaining level information includes displaying a negative range less than 0. ### Claim 6 (depends on 4) The remaining battery level display method according to claim 4, wherein the displaying of the remaining level information includes displaying a range greater than the allocated battery capacity or the distance. ### Claim 7 A remaining battery level display method of displaying a remaining battery level of a rental electric vehicle, comprising: setting a particular allocated battery capacity allocated to each user of a plurality of users of the rental electric vehicle; and using a battery mark representing a battery to display, on a display of the rental electric vehicle, remaining level information based on the particular allocated battery capacity, wherein the displaying of the remaining level information includes graphically displaying the remaining battery level on the battery mark indicating a total battery capacity such that the remaining battery level decreases within a range of the particular allocated battery capacity in accordance with a decrease in actual remaining battery level while an actual remaining battery level at a start of rental is associated with an upper limit of the particular allocated battery capacity for the each user of the plurality of users. ### Claim 8 (depends on 7) The remaining battery level display method according to claim 7, wherein the displaying of the remaining level information includes graphically displaying a range less than a lower limit of the allocated battery capacity. ### Claim 9 (depends on 7) The remaining battery level display method according to claim 7, wherein the displaying of the remaining level information includes graphically displaying a range greater than the upper limit.