公开(公告)号：EP1161659B1

公开(公告)日：2010-09-15

申请号：EP99954736.7

申请日：1999-10-05

申请人： Wilt, Robert ,  Toth, George E.

发明人： Wilt, Robert ,  Toth, George E.

IPC分类号： G01J5/08 ,  G01N21/31 ,  G01J3/427 ,  G01J3/36

CPC分类号： G01N21/35 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/0264 ,  G01J3/027 ,  G01J3/0291 ,  G01J3/10 ,  G01N21/359 ,  G01N21/86

公开(公告)号：EP1161659A4

公开(公告)日：2007-05-02

申请号：EP99954736

申请日：1999-10-05

申请人： WILT ROBERT ,  TOTH GEORGE E

发明人： WILT ROBERT ,  TOTH GEORGE E

IPC分类号： G01J5/08 ,  G01J3/02 ,  G01J3/10 ,  G01J3/36 ,  G01J3/427 ,  G01N21/31 ,  G01N21/35 ,  G01N21/86

CPC分类号： G01N21/35 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/0264 ,  G01J3/027 ,  G01J3/0291 ,  G01J3/10 ,  G01N21/359 ,  G01N21/86

摘要： A method and device for high speed spectroscopic constituent verification. The method includes the steps of illuminating the sample with broadband light and measuring two preselected wavelenghts of reflected light: a first narrow-range of wavelenghts lambda 1 that is not significantly absorbed by the constituent of interest, and a second narrow-range of wavelengths lambda 2 that is substantially absorbed by the constituent of interest. Given the two measurements of reflection, upper and lower thresholds are determined, the latter based on a percentage of the measured baseline reflected light of wavelengths lambda 1. Finally, the presence of the constituent of interest is indicated if the measure of reflected discriminant wavelength lambda 2 is within the upper and lower threshold measures of reflected baseline light lambda 1. The compact device that implements the above described method includes a base unit (10) housing a near-IR discriminator circuit with a pair of selective light sensors and a light source. A sensor unit connects to the base unit (10). The sensor unit includes a flexible neck (20) with a connecting block (24) attached at one end for mating with the base unit (10), and a hood assembly (30) attached at the other end for enclosing a light collecting and transmitting lens (32). The optics are connected by an optical fiber bundle inside the flexible neck.

公开(公告)号：EP3365251A1

公开(公告)日：2018-08-29

申请号：EP16854560.6

申请日：2016-10-11

申请人： Wilt, Robert R. ,  Marschalko, Cornell S. ,  Faustini, Lou

发明人： Wilt, Robert R. ,  Marschalko, Cornell S. ,  Faustini, Lou

IPC分类号： B65G29/00

CPC分类号： B65G47/28 ,  B65G35/00 ,  B65G43/08 ,  G01N21/00 ,  G01N21/13 ,  G01N2021/135

摘要： An improved disc feeder/conveyor (2) with optical sensor (200) and return chute (10) for multiple industrial, commercial or agricultural applications. The conveyor (2) comprises a pair of co-rotating (or counter-rotating) roller shafts (11A, 11B) driven by a belt (104) drive. The rollers (11A, 11B) are non-parallel, slightly angled, and the rotation of the shafts frictionally engages, the sample caps or other elements being advanced away from the production line causing the items seated thereon advance. Sensors (200, 202) detect the presence/absence of items on the rollers for gating. Another pair of co- or counter-rotating roller shafts (15A, 15B) may act as a return chute (10).

公开(公告)号：EP1161659A1

公开(公告)日：2001-12-12

申请号：EP99954736.7

申请日：1999-10-05

申请人： Wilt, Robert ,  Toth, George E.

发明人： Wilt, Robert ,  Toth, George E.

IPC分类号： G01J5/08 ,  G01N21/31

CPC分类号： G01N21/35 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/0264 ,  G01J3/027 ,  G01J3/0291 ,  G01J3/10 ,  G01N21/359 ,  G01N21/86

摘要： A method and device for high speed spectroscopic constituent verification. The method includes the steps of illuminating the sample with broadband light and measuring two preselected wavelenghts of reflected light: a first narrow-range of wavelenghts μ1 that is not significantly absorbed by the constituent of interest, and a second narrow-range of wavelengths μ2 that is substantially absorbed by the constituent of interest. Given the two measurements of reflection, upper and lower thresholds are determined, the latter based on a percentage of the measured baseline reflected light of wavelengths μ1. Finally, the presence of the constituent of interest is indicated if the measure of reflected discriminant wavelength μ2 is within the upper and lower threshold measures of reflected baseline light μ1. The compact device that implements the above described method includes a base unit (10) housing a near-IR discriminator circuit with a pair of selective light sensors and a light source. A sensor unit connects to the base unit (10). The sensor unit includes a flexible neck (20) with a connecting block (24) attached at one end for mating with the base unit (10), and a hood assembly (30) attached at the other end for enclosing a light collecting and transmitting lens (32). The optics are connected by an optical fiber bundle inside the flexible neck.