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Class Information
Number: 340/679
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Machine condition
Description: Subject matter wherein the monitored condition is that of a particular mechanical device or component thereof.










Sub-classes under this class:

Class Number Class Name Patents
340/684 Agricultural 129
340/682 Bearing 149
340/685 Cranes 180
340/680 Machine tool 253
340/681 Synchronization 26
340/683 Vibration 240


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
6867702 Freight-loading system for an aircraft Mar. 15, 2005
6844820 Communication link between mobile input/output bins and a data center to provide backup Jan. 18, 2005
6842123 Electromechanical switching device and emergency shut-off and communication system utilizing same Jan. 11, 2005
6839563 Signal transmission circuit for probe Jan. 4, 2005
6819255 Load size detection in a fabric dryer Nov. 16, 2004
6788212 Conductor detecting device Sep. 7, 2004
6784801 Electric appliance monitoring system Aug. 31, 2004
6784800 Industrial vehicle safety system Aug. 31, 2004
6782644 Remote control system and remote setting system for construction machinery Aug. 31, 2004
RE38567 Apparatus and method for self adjusting downlink signal communication Aug. 24, 2004
6781515 Conveyor belt fault detection apparatus and method Aug. 24, 2004
6781516 Master control panel for loading dock equipment Aug. 24, 2004
6778097 Remote radio operating system, and remote operating apparatus, mobile relay station and radio mobile working machine Aug. 17, 2004
6778092 Method of, and apparatus for, controlling a safety-specific function of a machine Aug. 17, 2004
6778079 Input/output methodology for control reliable interconnection of safety light curtains and other machine safety controls Aug. 17, 2004
6774806 Monitoring an element of a plant Aug. 10, 2004
6756908 Crack detection in fracture-critical machine parts Jun. 29, 2004
6750776 Machines having drive member and method for diagnosing the same Jun. 15, 2004
6744362 Consumable replacement by mobile input/output bins Jun. 1, 2004
6737981 Apparatus for converting measurement signals into digital signals, the signals having been initiated in a piezo sensor by the impacts of a hydraulic percussion device May. 18, 2004
6731219 Force sensitive switch May. 4, 2004
6727820 Method and system for monitoring the thermal status of a card shelf Apr. 27, 2004
6717514 Alarm system and method Apr. 6, 2004
6714135 Collective head bearing monitor Mar. 30, 2004
6700477 Signal-transmission device Mar. 2, 2004
6690284 Method of controlling IC handler and control system using the same Feb. 10, 2004
6687656 Systems for remote management of a network of waste containers Feb. 3, 2004
6686835 Rear wheel steering angle control apparatus Feb. 3, 2004
6684178 Systems and methods for monitoring the usage and efficiency of air compressors Jan. 27, 2004
6659174 System and method of tracking use time for electric motors and other components used in a subterranean environment Dec. 9, 2003
6661349 Automatic door warning system Dec. 9, 2003
6646564 System and method for remote management of equipment operating parameters Nov. 11, 2003
6636153 Sensing system for magnetic clamping devices Oct. 21, 2003
6614354 In-ground pipeline monitoring Sep. 2, 2003
6608558 Damper device for building, and monitor and control system for damper device Aug. 19, 2003
6593854 System of monitoring bearing performance Jul. 15, 2003
6593855 Shock measurement apparatus and shock measurement method Jul. 15, 2003
6556143 Broken shear pin indicating system Apr. 29, 2003
6535855 Push banking system and method Mar. 18, 2003
6532409 Target excavation surface setting device for excavation machine, recording medium therefor and display unit Mar. 11, 2003
6529135 Integrated electric motor monitor Mar. 4, 2003
6529590 Systems and methods for remotely controlling a machine Mar. 4, 2003
6504484 Control method using power to prevent overheat inside of electric equipment Jan. 7, 2003
6496120 System for on line continuous skidding detection in rolling mills Dec. 17, 2002
6487378 Electrophotographic apparatus, main unit and sub-unit, both for use in the electrophotographic apparatus, and method of identifying the sub-unit Nov. 26, 2002
6486788 Audible safety warning system Nov. 26, 2002
6483431 Electrical circuit for transmitting state information, in particular concerning some member in railway rolling-stock, and an electrical system incorporating such a circuit Nov. 19, 2002
6480114 High impedance diagnostic for gun driver and method Nov. 12, 2002
6469623 Smoke detector maintenance and verification tool Oct. 22, 2002
6466134 Cordless machine operation detector Oct. 15, 2002

1 2 3 4 5 6 7 8 9 10 11 12 13










 
 
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