公开(公告)号：WO1996002817A1

公开(公告)日：1996-02-01

申请号：PCT/US1995008237

申请日：1995-07-14

Applicant: PATCHEN INC.

Inventor： PATCHEN INC. ,  BECK, James, L. ,  KINTER, Malcolm, L.

IPC: G01M09/04

CPC classification number: G01J3/42 ,  A01M7/0089 ,  A01M21/00 ,  G01C3/085 ,  G01J1/04 ,  G01J1/0407 ,  G01J1/0422 ,  G01J1/0437 ,  G01J1/4228 ,  G01J1/44 ,  G01J3/0205 ,  G01J3/0216 ,  G01J3/0229 ,  G01J3/50 ,  G01J3/501 ,  G01J2001/4242 ,  G01N21/255 ,  G01N2021/8466

Abstract: An optical proximity sensor (1) generates information indicative of a distance (D1) to an object (14A) in a field and in some embodiments also generates information indicative of a spectral reflectance characteristics of the object (14A). The information indicative of the spectral reflectance characteristic can be used to determine whether the object (14A) in the field is a living plant (14A) or another object such as soil (10). Light emitted from the optical sensor (1) for reflection off the object (14A) is modulated so that reflected light from the optical sensor can be discriminated from reflected ambient sunlight. The optical sensor (1) is scanned over the field to map objects in the field and/or to determine the location of rows of crop plants. A sensor in accordance with the present invention has many uses in agriculture including spraying, cultivation and vehicle guidance.

Abstract translation: 光学接近传感器（1）在场中产生指示对象（14A）的距离（D1）的信息，并且在一些实施例中还产生指示对象（14A）的光谱反射特性的信息。 指示光谱反射特性的信息可以用于确定场中的物体（14A）是活动植物（14A）还是诸如土壤（10）的另一物体。 从光学传感器（1）发出的用于反射离开物体（14A）的光被调制，使得来自光学传感器的反射光可以与反射的环境太阳光区分开。 光学传感器（1）在场上扫描以在场中映射对象和/或确定作物植物的行的位置。 根据本发明的传感器在农业中具有许多用途，包括喷雾，栽培和车辆引导。