# US 10,766,476 B2 · Emergency stop system and emergency stop method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,766,476 B2 - Document ID: US10766476B2 - Status: Granted - Kind: B2 - Application number: 16/273,479 - Filed: 2019-02-12 - Published: 2019-06-06 - Granted: 2020-09-08 - Earliest claimed: 2015-10-28 - Assignees: Honda Motor Co., Ltd. - Applicants: Honda Motor Co., Ltd. - Inventors: Yukinori Kurahashi; Kei Oshida; Masayuki Nakatsuka - Web page: https://patentgrep.com/patent/US10766476B2 ## CPC - B60W 10/18: including control of braking systems - B60W 50/082: {Selecting or switching between different modes of propelling} - B60K 28/00: Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions (electric safety devices on electrically-propelled vehicles B60L3/00) - B60Q 1/0076: {Switches therefor (B60Q1/1446, B60Q1/343, B60Q1/40 take precedence)} - B60Q 1/46: for giving flashing caution signals during drive, other than signalling change of direction, e.g. flashing the headlights {or hazard lights} - B60W 50/0098: {Details of control systems ensuring comfort, safety or stability not otherwise provided for} - B60W 50/085: {Changing the parameters of the control units, e.g. changing limit values, working points by control input} - B60W 2540/215: Selection or confirmation of options - B60W 2710/18: Braking system - B60Y 2302/05: Leading to automatic stopping of the vehicle - 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 - 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 - B60Q: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY ## Abstract An emergency stop system includes a hazard switch that is a momentary switch, an automatic stop controller that performs automatic stop control for causing a vehicle to automatically stop when a predetermined condition is met, and a hazard light controller that controls hazard lights. While automatic stop control is not being performed, the hazard light controller switches the hazard lights between a flashing state and a turned-off state each time a user presses the hazard switch. The hazard light controller brings the hazard lights into the flashing state upon start of the automatic stop control, and turns off the hazard lights (i.e., transitions the hazard lights to the turned-off state) upon depression of the hazard switch while the hazard lights are flashing during execution of the automatic stop control. ## Claims ### Claim 1 An emergency stop system comprising: an automatic stop controller that performs automatic stop control to cause a vehicle to automatically stop when a predetermined condition is met; an acceleration operation detector that detects an acceleration operation of the vehicle; and a hazard light controller that brings hazard lights of the vehicle into a flashing state upon start of the automatic stop control, wherein the automatic stop controller is configured to interrupt the automatic stop control in a case where the acceleration operation is detected by the acceleration operation detector during execution of the automatic stop control, wherein the automatic stop controller is configured to terminate the automatic stop control in a case where the acceleration operation is continuously detected by the acceleration operation detector for a predetermined fourth period or longer after interruption of the automatic stop control, and resume the automatic stop control in a case where a duration over which the acceleration operation is detected by the acceleration operation detector after interruption of the automatic stop control is less than the fourth period, and wherein the hazard light controller is configured to turn off the hazard lights in response to interruption of the automatic stop control, and to cause the hazard lights to flash in response to resumption of the automatic stop control. ### Claim 2 (depends on 1) The emergency stop system according to claim 1, further comprising a hazard switch that is a momentary switch configured to provide an instruction to flash or turn off hazard lights of a vehicle, wherein the hazard light controller turns on the hazard lights upon depression of the hazard switch during time from the interruption of the automatic stop control to the resumption of the automatic stop control. ### Claim 3 (depends on 2) The emergency stop system according to claim 2, wherein the hazard light controller turns off the hazard lights upon depression of the hazard switch while the hazard lights are flashing even if the automatic stop control is being performed. ### Claim 4 An emergency stop method comprising steps of: (i) performing, by using a computer, automatic stop control to cause a vehicle to automatically stop when a predetermined condition is met; (ii) bringing, by using the computer, hazard lights of the vehicle into a flashing state upon start of the automatic stop control; (iii) interrupting, by using the computer, the automatic stop control in a case where an acceleration operation of the vehicle is detected during execution of the automatic stop control; (iv) terminating, by using the computer, the automatic stop control in a case where the acceleration operation is continuously detected for a predetermined first period or longer after interruption of the automatic stop control, or resuming the automatic stop control in a case where a duration over which the acceleration operation is detected after interruption of the automatic stop control is less than the first period; and (v) turning off, by using the computer, the hazard lights in response to interruption of the automatic stop control, and causing the hazard lights to flash in response to resumption of the automatic stop control.