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Class Information
Number: 340/675
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Article transport > Web, film, or strip
Description: Subject matter where the moving object is a continuous web, film, or strip.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7436313 |
Penetration screen |
Oct. 14, 2008 |
| 6873264 |
Method and apparatus for detecting angular phase difference |
Mar. 29, 2005 |
| 6828917 |
Alarm system for casting mold |
Dec. 7, 2004 |
| 6774805 |
Wrap material operation sensor for a round baler |
Aug. 10, 2004 |
| 6717521 |
Laminator draw control |
Apr. 6, 2004 |
| 6702229 |
Method, apparatus and article to display flight information |
Mar. 9, 2004 |
| 6522260 |
Portable panel position detector |
Feb. 18, 2003 |
| 6503007 |
Printer ribbon motion detection system |
Jan. 7, 2003 |
| 6360181 |
System and method for collecting data on product consumption |
Mar. 19, 2002 |
| 6282403 |
Decurler roll setup and wear rate determination procedure |
Aug. 28, 2001 |
| 6150946 |
Monitoring unit with test beam in conjunction with packaging machines |
Nov. 21, 2000 |
| 5918197 |
Monitor for collecting data on consumer consumption of disposable sheet products |
Jun. 29, 1999 |
| 5878381 |
System and method for collecting data on tissue consumption |
Mar. 2, 1999 |
| 5691919 |
System and method for collecting data on tissue consumption |
Nov. 25, 1997 |
| 5677677 |
System for monitoring the operation of an evaporator unit |
Oct. 14, 1997 |
| 5646794 |
Metal detection apparatus for detecting metal objects in a web of photographic material |
Jul. 8, 1997 |
| 5600308 |
Method for detecting a position on a product |
Feb. 4, 1997 |
| 5531434 |
Multiple page sensor for automatic document feeder |
Jul. 2, 1996 |
| 5516094 |
Linear array sensor for copy sheet registration |
May. 14, 1996 |
| 5435543 |
Motion indicating device for moving objects |
Jul. 25, 1995 |
| 5289007 |
Sheet break detector apparatus |
Feb. 22, 1994 |
| 5280274 |
Method of detecting residual amount of web roll |
Jan. 18, 1994 |
| 5225785 |
Apparatus for sensing the thickness of a moving sheet of film |
Jul. 6, 1993 |
| 5212982 |
Method and apparatus to check the acceptableness of the state of wear in the covering fabric of a driving belt |
May. 25, 1993 |
| 5182597 |
Image forming device |
Jan. 26, 1993 |
| 5182722 |
Apparatus for assessing the stiffness of a sheet |
Jan. 26, 1993 |
| 5177446 |
Device for monitoring the depletion of material uncoiling from rolls, applicable in particular to wrapping machines |
Jan. 5, 1993 |
| 5136526 |
Determination of the thickness of a magnetic tape |
Aug. 4, 1992 |
| 5089776 |
Apparatus for detecting defects in a moving steel strip with a magnetizing yoke and a sensor placed on opposite sides of the strip |
Feb. 18, 1992 |
| 5087027 |
Document handler staple detector |
Feb. 11, 1992 |
| 5076566 |
Self-calibrating system for detecting media movement by using capacitors as sensors |
Dec. 31, 1991 |
| 5036706 |
Sonic web break detector |
Aug. 6, 1991 |
| 5035415 |
System for detecting the accurate positioning of sheets along a feed path by using capacitors as sensors |
Jul. 30, 1991 |
| 5027293 |
Method and apparatus for analyzing machine control systems |
Jun. 25, 1991 |
| 5023846 |
Ultrasonic detector for detecting a thin film |
Jun. 11, 1991 |
| 5010494 |
Method and apparatus for detecting mechanical roll imperfections in a roller drafting system |
Apr. 23, 1991 |
| 4999611 |
Towel cabinet replenishment indication and identification system |
Mar. 12, 1991 |
| 4996557 |
Jam detecting and displaying device in an image recording apparatus |
Feb. 26, 1991 |
| 4958307 |
Roll mark inspection apparatus |
Sep. 18, 1990 |
| 4925119 |
Method and apparatus for inspecting resistance to film draw-out |
May. 15, 1990 |
| 4924266 |
Printer for continuous form |
May. 8, 1990 |
| 4908655 |
Jam detecting and displaying device in an image recording apparatus |
Mar. 13, 1990 |
| 4882568 |
Toilet tissue alert system |
Nov. 21, 1989 |
| 4879513 |
Device for measuring paper or the like lying on a support |
Nov. 7, 1989 |
| 4853679 |
Method and apparatus for detecting surface discontinuities |
Aug. 1, 1989 |
| 4836528 |
Apparatus for manipulating sheet-like commodities in gathering machines |
Jun. 6, 1989 |
| 4814749 |
Protection system |
Mar. 21, 1989 |
| 4783647 |
Sheet material manufacturing |
Nov. 8, 1988 |
| 4757719 |
Round load lifting sling |
Jul. 19, 1988 |
| 4675730 |
Video surface inspection system |
Jun. 23, 1987 |
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