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Class Information
Number: 340/674
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Article transport > Discrete articles
Description: Subject matter where the object has discrete boundaries which pass the point at which the condition is observed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7450019 |
Output monitoring system and method for an air transport material delivery system |
Nov. 11, 2008 |
| 7436313 |
Penetration screen |
Oct. 14, 2008 |
| 7199709 |
Cart fleet management system |
Apr. 3, 2007 |
| 7113104 |
Giant magnetoresistance based gyroscope |
Sep. 26, 2006 |
| 6988727 |
Sheet conveyance apparatus, image forming apparatus, and method for estimating duration of a rotary member |
Jan. 24, 2006 |
| 6943692 |
Apparatus and methods for on-line monitoring of fluorinated material in headspace of vial |
Sep. 13, 2005 |
| 6913259 |
Apparatus for detection of multiple documents in a document transport |
Jul. 5, 2005 |
| 6771180 |
Bill receiving/processing machine |
Aug. 3, 2004 |
| 6737980 |
Apparatus for monitoring speed and operating time of wafer lift of semiconductor fabricating equipment |
May. 18, 2004 |
| 6667689 |
Silverware detector |
Dec. 23, 2003 |
| 6584920 |
System and method for adjusting air flow in air seeding applications |
Jul. 1, 2003 |
| 6542083 |
Electronic tag position detection using radio broadcast |
Apr. 1, 2003 |
| 6314054 |
Apparatus for detecting objects |
Nov. 6, 2001 |
| 6212130 |
Method and apparatus for plural document detection |
Apr. 3, 2001 |
| 6100810 |
Sensing apparatus for controlling the assembly of rafters by monitoring the position metallic fasteners |
Aug. 8, 2000 |
| 6084524 |
Photoelectric detection switch |
Jul. 4, 2000 |
| 6070538 |
Modular agricultural implement control system |
Jun. 6, 2000 |
| 6060992 |
Method and apparatus for tracking mobile work-in-process parts |
May. 9, 2000 |
| 6046677 |
Method and apparatus for ensuring proper use of an indication device within an assembly line |
Apr. 4, 2000 |
| 6027301 |
Semiconductor wafer testing apparatus with a combined wafer alignment/wafer recognition station |
Feb. 22, 2000 |
| 5929765 |
Method and apparatus for positioning and aligning workpieces |
Jul. 27, 1999 |
| 5838245 |
Cleaning time determining device for drug storage/discharge apparatus |
Nov. 17, 1998 |
| 5831542 |
Air seeder blockage monitoring system |
Nov. 3, 1998 |
| 5831539 |
Air seeder blockage monitoring system |
Nov. 3, 1998 |
| 5828310 |
Indicator system having plurality of feeders and actuators arranged to selectively actuate a sensor |
Oct. 27, 1998 |
| 5754105 |
Autohandler |
May. 19, 1998 |
| 5741988 |
Lead frame detection apparatus |
Apr. 21, 1998 |
| 5646846 |
Global positioning planter system |
Jul. 8, 1997 |
| 5646616 |
Picking system |
Jul. 8, 1997 |
| 5635911 |
Apparatus and method for monitoring an article dispensing device such as a seed planter and the like |
Jun. 3, 1997 |
| 5610584 |
Detection of goods on the bottom rack of a cart |
Mar. 11, 1997 |
| 5606251 |
Method and apparatus for detecting a substrate in a substrate processing system |
Feb. 25, 1997 |
| 5543708 |
Method and apparatus for controlling continuously conveyed printed products |
Aug. 6, 1996 |
| 5531434 |
Multiple page sensor for automatic document feeder |
Jul. 2, 1996 |
| 5435543 |
Motion indicating device for moving objects |
Jul. 25, 1995 |
| 5400016 |
Part-detecting device combined with a part-supply rod of a part-supply unit |
Mar. 21, 1995 |
| 5375722 |
Carton monitoring system |
Dec. 27, 1994 |
| 5356130 |
Method and apparatus for detecting faults in a stream of overlapping products |
Oct. 18, 1994 |
| 5319354 |
Antenna structure for communicating with an electronic tag implanted in a pneumatic tire |
Jun. 7, 1994 |
| 5260694 |
Automatic article tracking system for manually operated delivery system |
Nov. 9, 1993 |
| 5258742 |
Gauze counter apparatus for surgical use |
Nov. 2, 1993 |
| 5257299 |
Method and system for counting irregularly shaped moving articles |
Oct. 26, 1993 |
| 5206627 |
Substrate detecting system with edge detection, such as wafer or base material of semiconductor device or LCD |
Apr. 27, 1993 |
| 5187723 |
Apparatus for detecting metal parts which are movable relative to a metal sensitive sensor arrangement |
Feb. 16, 1993 |
| 5177469 |
Safety device for an IC handler and method for its operation |
Jan. 5, 1993 |
| 5071113 |
Apparatus and method for transporting sheet paper |
Dec. 10, 1991 |
| 5021767 |
Method and an apparatus for electronically identifying articles moving along a surface |
Jun. 4, 1991 |
| 5003297 |
Method of detecting failure to tighten screws against works and device therefor |
Mar. 26, 1991 |
| 4999616 |
Device and method for recognizing the instantaneous position of mechanical parts driven by a stepping motor |
Mar. 12, 1991 |
| 4987407 |
Wafer interleaving with electro-optical safety features |
Jan. 22, 1991 |
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