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Class Information
Number: 340/681
Name: Communications: electrical > Condition responsive indicating system > Specific condition > Machine condition > Synchronization
Description: Subject matter where the condition is synchronization between mechanisms.

Patents under this class:

Patent Number Title Of Patent Date Issued
8371551 Apparatus for adjusting level of refrigerator Feb. 12, 2013
8325053 Personal fall protection monitoring system Dec. 4, 2012
8269620 Alarm trend summary display system and method Sep. 18, 2012
8233576 System, apparatus, and method for a robust synchronization scheme for digital communication systems Jul. 31, 2012
8209078 Electronic control unit and vehicle control system Jun. 26, 2012
8184741 Multi-system signal receiving device and method thereof May. 22, 2012
7944367 Phase signal triggering hold off May. 17, 2011
7876231 Integrated management system for multi-air conditioner and integrated management method thereof Jan. 25, 2011
7427926 Establishing communication between computing-based devices through motion detection Sep. 23, 2008
7260733 Distributed control system Aug. 21, 2007
5949352 System and method for the wireless signal transmission between a measuring head and a remote receiver Sep. 7, 1999
5030942 Process and device for measuring and indicating load conditions in drivelines of agricultural implements Jul. 9, 1991
5010318 System for detecting malfunction of turbine speed measuring device for torque converter of automotive automatic transmission Apr. 23, 1991
4897635 Rotary device synchronizer Jan. 30, 1990
4549163 Slip indicating system for a four-wheel drive vehicle Oct. 22, 1985
4499450 System to detect slippage of a clutch for an internal combustion engine Feb. 12, 1985
4430647 Monitor for detecting malfunction of a rotation-angle transducer Feb. 7, 1984
4426641 Method and apparatus for monitoring the shaft vibration of a rotary machine Jan. 17, 1984
RE30868 Paper roll diameter sensing device for use with paper splicing apparatus Feb. 16, 1982
4263578 Belt drive connection malfunction sensor Apr. 21, 1981
4193059 Attitude indicator comparator warning system Mar. 11, 1980
4106972 Velocity compensator and apparatus incorporating the same Aug. 15, 1978
4031509 Locked axle detector for a multi-axled traction vehicle Jun. 21, 1977
3989989 Conveyor overspeed-underspeed and/or slip detector Nov. 2, 1976
3974490 Paper roll diameter sensing device for use with paper splicing apparatus Aug. 10, 1976
3964276 Knitting error detecting apparatus for circular knitting machine Jun. 22, 1976

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