公开(公告)号：US20240329247A1

公开(公告)日：2024-10-03

申请号：US18744333

申请日：2024-06-14

Applicant: DENSO CORPORATION

Inventor： Yuichi TOYOTA ,  Taro BEPPU ,  Chihiro MORIGUCHI ,  Naoki YOSHIMOTO ,  Hiroyuki MATSUBARA ,  Tatsuya YAMASHITA ,  Tadashi ICHIKAWA

IPC: G01S17/42 ,  G01S7/4911

CPC classification number: G01S17/42 ,  G01S7/4911

Abstract: A laser radar device includes a transmission unit, a scanning unit, a distance calculation section, and a movement control unit. The transmission unit transmits laser light that has been subjected to frequency modulation. The scanning unit performs scanning with the laser light. For each of a plurality of partial regions obtained by dividing a laser light scanning region preset as a two-dimensional region which the scanning unit scans with the laser light, the distance calculation section receives the laser light that has been reflected by an object, and calculates a distance to the object in the partial region. The movement control unit controls movement of the laser light so that the laser light moves in the partial region, with Δθ>(1.22*λ/d) being met.