Patent ID: 11862929
Assignee: SZ DJI TECHNOLOGY CO., LTD.
Field: Optics (Instruments)
Classification: CPC H  G | IPC H

Claim 19:
20. The distance detection device of claim 18, wherein:
the collimating lens condenses a part of a returned light reflected by an object; and
the laser emitting device further includes:
a second reflector, a third reflector, and a detector with the light-transmitting area;
the second reflector being disposed between the collimating lens and the first reflector, a light beam reflected by the first reflector passing through the second reflector, the second reflector reflecting the returned light condensed by the collimating lens to the third reflector;
the third reflector being respectively disposed opposite the second reflector and the detector for reflecting the returned light reflected by the second reflector to the detector; and
the detector converting a received optical signal into an electrical signal, and the electrical signal is used to measure a distance between the object and the distance detection device.