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Class Information
Number: 250/559.47
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 counting means
Description: Subject matter having means to count the number of defects or numbers of types of defects which are detected over a period of time.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7095763 |
Semiconductor wafer carrier mapping sensor |
Aug. 22, 2006 |
| 7027637 |
Adaptive threshold determination for ball grid array component modeling |
Apr. 11, 2006 |
| 6683321 |
Disc counter |
Jan. 27, 2004 |
| 6346986 |
Non-intrusive pellicle height measurement system |
Feb. 12, 2002 |
| 6130437 |
Sensor and detection system having wide diverging beam optics |
Oct. 10, 2000 |
| 6049075 |
Method for detecting origin point of position sensor |
Apr. 11, 2000 |
| 6033503 |
Adhesive sensing assembly for end jointed beam |
Mar. 7, 2000 |
| 5955728 |
Method for detecting origin point of position sensor |
Sep. 21, 1999 |
| 5900639 |
Apparatus for detecting the presence and speed of a record medium |
May. 4, 1999 |
| 5672863 |
Anti-dither optical container sensor with sensors separation measurement |
Sep. 30, 1997 |
| 5614709 |
Method for accurately counting conveyed workpieces regardless of variations in conveyor speed |
Mar. 25, 1997 |
| 5283623 |
Method and system for the detection of faults in a length of textile |
Feb. 1, 1994 |
| 5220178 |
Apparatus and process for detecting the presence of defects on a moving sheet of material |
Jun. 15, 1993 |
| 5033095 |
Scanning image analyzer for accumulating quantifiable contaminants of webs |
Jul. 16, 1991 |
| 5006722 |
Flaw annunciator with a controllable display means for an automatic inspection system |
Apr. 9, 1991 |
| 4916629 |
Method for determination of pith location relative to lumber surfaces |
Apr. 10, 1990 |
| 4831545 |
Method for determination of pith location relative to lumber surfaces |
May. 16, 1989 |
| 4743749 |
Self compensating circuit for measuring rapidly occurring optoelectronically detectable events |
May. 10, 1988 |
| 4655349 |
System for automatically inspecting transparent containers for sidewall and dimensional defects |
Apr. 7, 1987 |
| 4581632 |
Optical inspection apparatus for moving articles |
Apr. 8, 1986 |
| 4508450 |
System for checking defects on a flat surface of an object |
Apr. 2, 1985 |
| 4467350 |
Method and apparatus for rapidly extracting significant data from a sparse object |
Aug. 21, 1984 |
| 4467214 |
Method of and apparatus for detecting external defects of a circular sealing member |
Aug. 21, 1984 |
| 4446481 |
Automatic product inspection system |
May. 1, 1984 |
| 4389575 |
Fabric inspection system |
Jun. 21, 1983 |
| 4376583 |
Surface inspection scanning system |
Mar. 15, 1983 |
| 4268172 |
Method of and system for automatically adjusting a threshold level of a pulse generating circuit to inspect a web |
May. 19, 1981 |
| 4253113 |
Method and apparatus for detecting surface defects on a band travelling at high speed |
Feb. 24, 1981 |
| 4249081 |
Defect detection system |
Feb. 3, 1981 |
| 4205769 |
Methods of and system for counting holes and for detecting missing holes in a web |
Jun. 3, 1980 |
| 4194127 |
Process and device for checking substrate wafers |
Mar. 18, 1980 |
| 4166029 |
Apparatus for sorting objects |
Aug. 28, 1979 |
| 4093866 |
Diffraction pattern amplitude analysis for use in fabric inspection |
Jun. 6, 1978 |
| 4075498 |
Non-woven fabric defect detecting device |
Feb. 21, 1978 |
| 4060907 |
Media skew compensator |
Dec. 6, 1977 |
| 4057350 |
Apparatus for counting crimp in fibers |
Nov. 8, 1977 |
| 4014615 |
Detection of faults in a predetermined area of a surface |
Mar. 29, 1977 |
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