# US 10,485,067 B2 · Method and light system for protection from dazzling light and machine having the light system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,485,067 B2 - Document ID: US10485067B2 - Status: Granted - Kind: B2 - Application number: 16/180,516 - Filed: 2018-11-05 - Published: 2019-05-16 - Granted: 2019-11-19 - Earliest claimed: 2017-11-10 - Assignees: Hella GmbH & Co. KGaA - Applicants: HELLA GmbH & Co. KGaA - Inventors: Michael Aichinger-Rosenberger; Andreas Hingel; Christoph Jandrisits; Christian Derkits; Michael Garber; Daniel Kramer; Thomas Posnicek; Karlheinz Kellner - Web page: https://patentgrep.com/patent/US10485067B2 ## CPC - H05B 45/12: using optical feedback - B60Q 1/143: {combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers} - B60Q 3/80: Circuits; Control arrangements (for dashboards B60Q3/16; for mass transit vehicles B60Q3/47) - B60Q 2300/23: Driver's line of sight - B60Q 2300/45: Special conditions, e.g. pedestrians, road signs or potential dangers - B60Q 2800/20: Utility vehicles, e.g. for agriculture, construction work - Y02B 20/30: Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED] - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - B60Q: ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract The present invention relates to a method for protecting a user of a light system (100), which comprises multiple illuminants (L1-L6), at least one light sensor (30) and at least one coding unit (40), from dazzling light from at least one of the illuminants (L1-L6), comprising the following steps: creating of a respective coding for light (M1-M6) of the individual illuminants (L1-L6) by the at least one coding unit (40), detecting of dazzling light (M2X) from at least one of the illuminants (L1-L6) by the at least one light sensor (30), assigning of the detected dazzling light (M2X) with the at least one associated illuminant (L2) on the basis of the coding of the light for the corresponding illuminant (L2), and setting of the at least one associated illuminant (L2) to protect the user from the detected dazzling light (M2X). The invention furthermore relates to a light system (100) and a machine (200) having the light system (100) for carrying out a method according to the invention. ## Claims ### Claim 1 A method for protecting a user of a light system, which comprises multiple illuminants, at least one light sensor, and at least one coding unit, from dazzling light from at least one of the illuminants, comprising the following steps: creating of a respective coding for light of the individual illuminants by the at least one coding unit, detecting of dazzling light from at least one of the illuminants by the at least one light sensor, assigning of the detected dazzling light with the at least one associated illuminant on the basis of the coding of the light for the corresponding illuminant, and setting of the at least one associated illuminant to protect the user from the detected dazzling light. ### Claim 2 (depends on 1) The method according to claim 1, wherein the coding is carried out by means of pulse width modulation. ### Claim 3 (depends on 2) The method according to claim 2, wherein the coding has a predefined duty cycle. ### Claim 4 (depends on 3) The method according to claim 3, wherein the duty cycle is between 95% and 99%. ### Claim 5 (depends on 2) The method according to claim 2, wherein the coding has a predefined frequency. ### Claim 6 (depends on 5) The method according to claim 5, wherein the respective codings have different frequencies, wherein the frequencies differ from one another by at least 5 Hz. ### Claim 7 (depends on 5) The according to claim 5, wherein the frequency of the coding has a rate between 100 Hz and 10000 Hz. ### Claim 8 (depends on 1) The method according to claim 1, wherein the coding has a predefined bit coding. ### Claim 9 (depends on 1) The method according to claim 1, wherein the at least one associated illuminant is set using an eye tracking system for detecting items of viewing information of a user of the light system and in consideration of the detected items of viewing information. ### Claim 10 A light system, comprising: multiple illuminants, at least one light sensor for sensing the lights of the illuminants, at least one coding unit for the differing coding of the lights of the illuminants, and a control unit for controlling the coding unit, wherein the control unit has a signal connection to the at least one light sensor and the at least one coding unit and is configured and designed to carry out a method comprising the following steps: creating of a respective coding for light of the individual illuminants by the at least one coding unit, detecting of dazzling light from at least one of the illuminants by the at least one light sensor, assigning of the detected dazzling light with the at least one associated illuminant on the basis of the coding of the light for the corresponding illuminant, and setting of the at least one associated illuminant to protect the user from the detected dazzling light. ### Claim 11 (depends on 10) The light system according to claim 10, wherein the illuminants each comprise an LED or are each embodied as LEDs. ### Claim 12 (depends on 10) The light system according to claim 10, wherein the at least one light sensor is arranged on or in the immediate vicinity of at least one of the illuminants. ### Claim 13 (depends on 10) The light system according to claim 10, wherein an eye tracking system is arranged for detecting items of viewing information of a user of the light system, wherein the control unit is designed to set the at least one associated illuminant in dependence on the detected items of viewing information. ### Claim 14 (depends on 10) A machine having a light system as claimed in claim 10, comprising a cabin for a user of the light system. ### Claim 15 (depends on 14) The machine according to claim 14, wherein the at least one light sensor is arranged in the cabin. ### Claim 16 (depends on 14) The machine according to claim 14, wherein the at least one light sensor is arranged in the range of vision and at the eye level of a user located and working in the cabin.