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公开(公告)号：EP3680180A1
公开(公告)日：2020-07-15
申请号：EP19400002.2
申请日：2019-01-08
发明人： Desmet, Lieven
摘要： The invention is related to an aircraft 1 with a safety distance display apparatus 8 that is configured to display a visual indication 11 on an obstacle 10 for representing a current distance between the aircraft 1 and the obstacle 10, wherein the safety distance display apparatus 8 comprises a first light source 8a that emits a first light signal 9a in a first predefined direction 9a', and a second light source 8b that emits a second light signal 9b in a second predefined direction 9b', and wherein the first light signal 9a crosses the second light signal 9b at a predetermined safety distance 16 from the aircraft 1.
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公开(公告)号：EP4198480A1
公开(公告)日：2023-06-21
申请号：EP21400025.9
申请日：2021-12-16
发明人： Desmet, Lieven , Noetzel, Paul
IPC分类号： G01M11/02 , B23K26/70 , G01N21/88 , G01N21/958 , H01S5/00
摘要： An optical system 100 includes a laser 120, at least one optical element 130 between the laser 120 and an optical system exit plane 110, an optical source 140 that generates light 145 within a predetermined wavelength range 410 in response to being excited by at least a part of the laser beam 125, and a light detector 150 that is coupled to the laser 120 and adapted for receiving at least a portion 147 of the light 145 from the optical source 140, wherein the light detector 150 controls the laser 120 if the light detector 150 fails to receive the at least a portion 147 of the light 145 from the optical source 140 or detects that an intensity of the at least a portion 147 of the light 145 received from the optical source 140 is outside a predetermined intensity range.
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公开(公告)号：EP3553489A1
公开(公告)日：2019-10-16
申请号：EP18400009.9
申请日：2018-04-10
发明人： Desmet, Lieven
IPC分类号： G01M11/02 , G01N21/88 , G01N21/958 , B23K26/70 , G01N21/95
摘要： An apparatus 5 for detecting defects in an optical element 6 comprises an optical beam transforming surface 12 that is located on the optical element 6 and transforms a first optical beam 13 to provide a transformed first optical beam 13a. The apparatus 5 further comprises an optical gate 7 that comprises an optical detector 9, an optical source 10 that provides a second optical beam 11, and an optical waveguide 8 that is coupled to the optical element 6 and provides an optical beam path 11a for the second optical beam 11 from the optical source 10 to the optical detector 9 when the optical element 6 is free of defects and from the optical source 10 to a destination that is partly or fully different than the optical detector 9 when the optical element 6 includes at least one defect.
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