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Class Information
Number: 250/559.49
Name: Radiant energy > Photocells; circuits and apparatus > With circuit for evaluating a web, strand, strip, or sheet > With indication of presence of material or feature > With defect discrimination circuitry > With transversal scan > With moving reflector
Description: Subject matter wherein the transversal scan is accomplished by a moving reflector means having one or more reflective surfaces.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7557910 |
System and method for controlling a beam source in a workpiece surface inspection system |
Jul. 7, 2009 |
| 7511829 |
Method and apparatus for colour imaging a three-dimensional structure |
Mar. 31, 2009 |
| 7235136 |
Device for reading the rotational speed of a paint sprayer provided with a rotating bowl |
Jun. 26, 2007 |
| 6548821 |
Method and apparatus for inspecting substrates |
Apr. 15, 2003 |
| 6386676 |
Reflective type media sensing methodology |
May. 14, 2002 |
| 6060721 |
Apparatus for detecting correct positioning of a wafer cassette |
May. 9, 2000 |
| 5691533 |
Method and apparatus for the detection of the location of multiple character marks |
Nov. 25, 1997 |
| 5591985 |
Surface state inspecting system including a scanning optical system for scanning a surface to be inspected with a first light and for simultaneously scanning a diffraction grating with a secon |
Jan. 7, 1997 |
| 5278635 |
Surface defect detection apparatus |
Jan. 11, 1994 |
| 5220617 |
Method and apparatus for object inspection |
Jun. 15, 1993 |
| 5104523 |
Glass-plate sorting system |
Apr. 14, 1992 |
| 5079434 |
Optical scanning appartaus for seeking faults on moving material webs |
Jan. 7, 1992 |
| 5027418 |
Electro-optical inspection apparatus for printed-circuit boards with components mounted thereon |
Jun. 25, 1991 |
| 5026983 |
Method and apparatus for examining food products by means of irradiation |
Jun. 25, 1991 |
| 4924086 |
Optical scanning apparatus for detecting faults on a surface |
May. 8, 1990 |
| 4908517 |
Apparatus for examining the surface of a substrate |
Mar. 13, 1990 |
| 4904877 |
Optical scanning apparatus for detecting faults in transparent material wherein the plane of incident light is arranged at the breuster angle to the normal to the surface |
Feb. 27, 1990 |
| 4866288 |
Apparatus for optically scanning a web of material |
Sep. 12, 1989 |
| 4831274 |
Surface inspecting device for detecting the position of foreign matter on a substrate |
May. 16, 1989 |
| 4822165 |
Device for illuminating components of transparent material in testing for irregularities |
Apr. 18, 1989 |
| 4791304 |
Method and apparatus for scanning a web material in the direction of its width |
Dec. 13, 1988 |
| 4725139 |
Method and apparatus for detecting defects in transparent materials |
Feb. 16, 1988 |
| 4723659 |
Apparatus for detecting impurities in translucent bodies |
Feb. 9, 1988 |
| 4643569 |
Dual beam laser inspection apparatus |
Feb. 17, 1987 |
| 4634281 |
Apparatus for the inspection of continuous sheets of material |
Jan. 6, 1987 |
| 4632546 |
Grooved surface defect detection apparatus |
Dec. 30, 1986 |
| 4626101 |
Surface defect inspecting apparatus |
Dec. 2, 1986 |
| 4601576 |
Light collector for optical contaminant and flaw detector |
Jul. 22, 1986 |
| 4597665 |
Dual collector optical flaw detector |
Jul. 1, 1986 |
| 4570074 |
Flying spot scanner system |
Feb. 11, 1986 |
| 4546444 |
Data compression interface having parallel memory architecture |
Oct. 8, 1985 |
| 4546250 |
Detector in an image read-out system |
Oct. 8, 1985 |
| 4538915 |
Web inspection system having a product characteristic signal normalizing network |
Sep. 3, 1985 |
| 4528455 |
Non-destructive testing system with dual scanning |
Jul. 9, 1985 |
| 4522497 |
Web scanning apparatus |
Jun. 11, 1985 |
| 4500208 |
Apparatus for seeking faults in wide material webs |
Feb. 19, 1985 |
| 4460273 |
Test apparatus for defects of plate |
Jul. 17, 1984 |
| 4455086 |
Optical test apparatus for examining an object |
Jun. 19, 1984 |
| 4431309 |
Monitoring apparatus |
Feb. 14, 1984 |
| 4428672 |
Variable threshold workpiece examination |
Jan. 31, 1984 |
| 4401893 |
Method and apparatus for optically inspecting a moving web of glass |
Aug. 30, 1983 |
| 4367047 |
Apparatus for the detection of downlines on coated web material |
Jan. 4, 1983 |
| 4357071 |
Optical fault seeking apparatus |
Nov. 2, 1982 |
| 4348114 |
Method of inspecting coated web material to detect the presence of downlines thereon |
Sep. 7, 1982 |
| 4302105 |
Detection apparatus for finding holes in webs |
Nov. 24, 1981 |
| 4297587 |
Absolute DC system for a laser inspection system |
Oct. 27, 1981 |
| 4284357 |
Device for continuously inspecting a surface |
Aug. 18, 1981 |
| 4277178 |
Web element concentration detection system |
Jul. 7, 1981 |
| 4268172 |
Method of and system for automatically adjusting a threshold level of a pulse generating circuit to inspect a web |
May. 19, 1981 |
| 4265545 |
Multiple source laser scanning inspection system |
May. 5, 1981 |
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