Patent ID: 11860317
Assignee: TANWAY TECHNOLOGY (BEIJING) CO., LTD.
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 4:
5. The method according to claim 4, wherein the method further comprises:
after adjusting at least one of the position or the attitude of the second detector in the horizontal direction according to the echo signal emitted by the diffuse reflection at the first mark position, setting a straight line at which the first mark position is located in the vertical direction as a mark line, and presetting an intersection point of the mark line and an echo signal optical axis as a second mark position; and
adjusting at least one of a position or an attitude of the first detector or at least one of the position or the attitude of the second detector in the vertical direction according to an echo signal emitted by diffuse reflection at the second mark position.