# US 2021/0276544 A1 · Electronic device for vehicle and operating method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0276544 A1 - Document ID: US20210276544A1 - Status: Published application - Kind: A1 - Application number: 16/500,723 - Filed: 2019-07-16 - Published: 2021-09-09 - Earliest claimed: 2019-07-16 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Yongsoo PARK - Web page: https://patentgrep.com/patent/US20210276544A1 ## CPC - B60W 30/08: {Active safety systems} predicting or avoiding probable or impending collision {or attempting to minimise its consequences} - B60W 30/143: {Speed control (B60W30/16 takes precedence)} - B60W 40/02: related to ambient conditions - B60W 40/105: Speed - B60W 50/14: Means for informing the driver, warning the driver or prompting a driver intervention - H04W 4/023: {using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds} - H04W 4/40: for vehicles, e.g. vehicle-to-pedestrians [V2P] - B60W 2050/146: {Display means} - B60W 2520/10: Longitudinal speed - B60W 2554/80: Spatial relation or speed relative to objects - B60W 2554/801: Lateral distance - B60W 2554/802: Longitudinal distance - B60W 2556/45: External transmission of data to or from the vehicle - B60W 2556/50: of positioning data, e.g. GPS [Global Positioning System] data - B60W 2720/10: Longitudinal speed - H04W 4/027: {using movement velocity, acceleration information} - H04W 4/90: Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS] - 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 - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract The present invention relates to an electronic device for a vehicle and an operation method thereof. The electronic device, which performs transmission and reception of information with other vehicles through direction communication, includes an interface unit, and a processor for acquiring traveling environment information on a travel road through the interface unit, determining a first distance, which is an estimated arrival distance of a vehicle-to-everything (V2X) communication signal, based on the traveling environment information, calculating a first time, which is a time to prepare for danger defined by the first distance versus a speed of the vehicle, and generating a signal to control the speed of the vehicle, for secure of the time to prepare for danger. Data produced in the vehicle electronic device can be transmitted to an external device through a 5G communication system. The electronic device of an autonomous device of the present invention may be linked to or combined with an artificial intelligence module, a drone (unmanned aerial vehicle (UAV), a robot, an augmented reality (AR) device, devices associated with virtual reality (VR) and 5G services, etc. ## Claims ### Claim 1 An operating method of an electronic device for a vehicle comprising: receiving, by a processor, sensor data; extracting, by the processor, traveling environment information based on the sensor data; determining, by the processor, a first distance, which is an estimated arrival distance of a vehicle-to-everything (V2X) communication signal, based on the traveling environment information; calculating, the processor, a first time, which is a time to prepare for danger defined by the first distance over a speed of the vehicle; and generating, by the processor, a signal to control the speed of the vehicle, for securing the first time. ### Claim 2 (depends on 1) The operating method of the electronic device for the vehicle according to claim 1, wherein the traveling environment information comprises kinds, a number and heights of objects disposed in a traveling direction and acquired by an object detection device, and global positioning system (GPS) information acquired by a position data production device. ### Claim 3 (depends on 2) The operating method of the electronic device for the vehicle according to claim 2, wherein the first distance is determined based on travelling environment information, taking into consideration congestion of a communication channel and a line-of-sight (LOS) environment. ### Claim 4 (depends on 3) The operating method of the electronic device for the vehicle according to claim 3, further comprising: determining, by the processor, a second distance, which is a farthest one of arrival distances of V2X messages, wherein the second distance is determined by receiving the V2X messages from other vehicles via an interface unit, acquiring arrival distances of each message based on the V2X messages and vehicle-to-vehicle position information, and extracting a farthest one of the arrival distances. ### Claim 5 (depends on 4) The operating method of the electronic device for the vehicle according to claim 4, further comprising: comparing, by the processor, the first distance and the second distance with each other, wherein the signal to control the speed of the vehicle is generated when the first distance is shorter than the second distance. ### Claim 6 (depends on 5) The operating method of the electronic device for the vehicle according to claim 5, wherein the processor determines the messages received from distances farther than the first distance as false alarms. ### Claim 7 (depends on 1) The operating method of the electronic device for the vehicle according to claim 1, further comprising: comparing, by the processor, the first time with a minimum time to prepare for danger, wherein the minimum time to prepare for danger comprises a second time which is a minimum time to prepare for danger for a driver, and a third time which is a minimum time to prepare for danger for an autonomous module. ### Claim 8 (depends on 7) The operating method of the electronic device for the vehicle according to claim 7, wherein: the second time is a minimum time taken for the driver to identify a dangerous factor in a traveling situation and to cope with the dangerous factor; and the processor generates a deceleration control signal based on the second time, upon determining that the first time is shorter than the second time which is predetermined. ### Claim 9 (depends on 7) The operating method of the electronic device for the vehicle according to claim 7, wherein: the third time is a minimum time taken for the processor to identify a dangerous factor in a traveling situation from the sensor data and to generate a control signal coping with the dangerous factor; and the processor generates a deceleration control signal based on the third time upon determining that the first time is shorter than the third time. ### Claim 10 (depends on 7) The operating method of the electronic device for the vehicle according to claim 7, wherein the processor generates an acceleration control signal based on the minimum time to prepare for danger upon determining that the first time is longer than the minimum time to prepare for danger. ### Claim 11 (depends on 10) The operating method of the electronic device for the vehicle according to claim 10, wherein the acceleration control signal is generated based on an input signal, and the input signal is received from the driver as to whether an acceleration control signal should be generated. ### Claim 12 (depends on 11) The operating method of the electronic device for the vehicle according to claim 11, wherein the processor generates a deceleration control signal based on a longer one of the second time and the third time upon determining that the first time is between the second time and the third time. ### Claim 13 (depends on 1) The operating method of the electronic device for the vehicle according to claim 1, further comprising: classifying, by the processor, the first time in accordance with periods; and generating, by the processor, a signal to display a danger state message, wherein the processor calculates the first time on a real-time basis; and the processor generates the signal to display a danger state message representing a danger level of a period to which the first time calculated on a real-time basis belongs. ### Claim 14 (depends on 13) The operating method of the electronic device for the vehicle according to claim 13, wherein the signal to display the danger state message is a signal for displaying letters and a stored color corresponding to the danger level. ### Claim 15 (depends on 14) The operating method of the electronic device for the vehicle according to claim 14, wherein the processor generates a signal to display a change of a period corresponding to the first time when the period change occurs during traveling. ### Claim 16 (depends on 1) The operating method of the electronic device for the vehicle according to claim 1, wherein the speed of the vehicle is controlled based on the speed control signal. ### Claim 17 An electronic device for a vehicle performing transmission and reception of information with other vehicles through direction communication, comprising: an interface unit; and a processor configured to: acquire traveling environment information on a travel road through the interface unit, determine a first distance, which is an estimated arrival distance of a vehicle-to-everything (V2X) communication signal, based on the traveling environment information, calculate a first time, which is a time to prepare for danger defined by the first distance versus a speed of the vehicle, and generate a signal to control the speed of the vehicle, for secure of the time to prepare for danger. ### Claim 18 (depends on 17) The electronic device for the vehicle according to claim 17, wherein the processor is configured to: classify the first time in accordance with periods; calculate the first time on a real-time basis; and generate a signal to display the danger state message representing a danger level of a period to which the first time calculated on a real-time basis belongs. ### Claim 19 (depends on 2) The operating method of the electronic device for the vehicle according to claim 2, wherein the speed of the vehicle is controlled based on the speed control signal. ### Claim 20 (depends on 3) The operating method of the electronic device for the vehicle according to claim 3, wherein the speed of the vehicle is controlled based on the speed control signal.