公开(公告)号：EP3427340A1

公开(公告)日：2019-01-16

申请号：EP17701101.2

申请日：2017-01-18

申请人： Robert Bosch GmbH

发明人： BAUR, Klaus ,  MEYER, Johannes

IPC分类号： H01Q13/20 ,  H01Q21/06 ,  G01S13/93 ,  G01S7/03 ,  H01Q21/00 ,  H01Q1/32

公开(公告)号：EP4327155A1

公开(公告)日：2024-02-28

申请号：EP22713589.4

申请日：2022-03-08

申请人： Robert Bosch GmbH ,  TRUMPF Photonic Components GmbH

发明人： PETERSEN, Andreas ,  SCHLEBUSCH, Thomas Alexander ,  MEYER, Johannes ,  SPRUIT, Hans ,  HELLMIG, Jochen

IPC分类号： G02B27/00 ,  G02B27/01

公开(公告)号：EP3884543A1

公开(公告)日：2021-09-29

申请号：EP19778907.6

申请日：2019-09-20

申请人： Robert Bosch GmbH

发明人： HANSEN, Maik ,  MEYER, Johannes ,  NEZADAL, Martin ,  SEIZ, Juergen

IPC分类号： H01Q1/32 ,  H01Q21/00 ,  H01Q21/06

公开(公告)号：EP3870993A1

公开(公告)日：2021-09-01

申请号：EP19753052.0

申请日：2019-08-10

申请人： Robert Bosch GmbH

发明人： NEZADAL, Martin ,  SCHMIDT, Thomas ,  PIETSCH, Andreas ,  HANSEN, Maik ,  MEYER, Johannes

IPC分类号： G01S7/03 ,  H01Q1/38 ,  H01Q1/42 ,  H01Q1/52

公开(公告)号：EP4083567A1

公开(公告)日：2022-11-02

申请号：EP21171555.2

申请日：2021-04-30

申请人： TRUMPF Photonic Components GmbH ,  Robert Bosch GmbH

发明人： SPRUIT, Hans ,  HELLMIG, Jochen ,  GRONENBORN, Stephan ,  MEYER, Johannes ,  PETERSEN, Andreas ,  SCHLEBUSCH, Thomas

IPC分类号： G01B9/02 ,  G01B11/02 ,  G01P3/36 ,  A61B5/16 ,  A61B3/113 ,  G06F3/01

摘要： A laser sensor comprises a laser source (12) emitting a laser beam (22), and optics (20) projecting the laser beam (22) as a one- or two-dimensional patterned laser beam (26) onto an object (24) to be examined, such that a distance of the patterned laser beam (26) from the laser source (12) varies along the patterned laser beam (26) projected on the object (24). A detector (14) determines a self-mixing interference signal generated by laser light of the patterned laser beam (26) reflected from the object (24) back into the laser source (12). Circuitry (18) spectrally analyzes the self-mixing interference signal and extracts from the spectrum of the self-mixing interference signal multiple frequencies indicative of multiple distances along the patterned laser beam (26) from the laser source (12) and/or multiple velocities along the patterned laser beam (26) with respect to the laser source (12). A system with such a laser sensor and a related method and computer program product are also disclosed.