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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
4603329 Device and method for sensing the presence or absence of newly formed parts in conjunction with parts forming equipment Jul. 29, 1986
4602249 Method and apparatus for detecting leaking valves in a volumetric infusion device Jul. 22, 1986
4594585 Electromagnetically-controlled flat knitting machine Jun. 10, 1986
4593277 Apparatus and method for sensing excessive wear or failure of machine tool Jun. 3, 1986
4586034 Color coded copier display Apr. 29, 1986
4564911 Method of monitoring a cutting tool by recognizing a sensed deviation in a mathematically smoothed function of force Jan. 14, 1986
4564910 Method and algorithms therefore for monitoring the performance of a tool and modifying the feed rate thereof Jan. 14, 1986
4563675 System for monitoring metal-to-metal contact in rotating machinery Jan. 7, 1986
4556875 Irradiated power monitoring system for optical fiber Dec. 3, 1985
4542374 Switching circuit for supervising the degree of wear of commutator-contacting carbon brushes Sep. 17, 1985
4535326 Liner deterioration warning for fluid movers Aug. 13, 1985
4532501 Capacitively coupled machine tool safety system Jul. 30, 1985
4525706 Misfeed monitoring apparatus for transfer press Jun. 25, 1985
4520354 Display device for copying apparatus May. 28, 1985
4518958 Capacitively coupled machine tool safety having a self-test network May. 21, 1985
4513921 Method and apparatus for detecting fluctuations of monitoring standard of thread-knotting monitor in auto-winder Apr. 30, 1985
4510491 Display device for photocopiers Apr. 9, 1985
4509618 Oil lubrication system, especially for knitting machines Apr. 9, 1985
4510566 Machine tool readout with automatic cutter radius offset Apr. 9, 1985
4502046 System for monitoring metal-to-metal contact in rotating machinery Feb. 26, 1985
4498078 Sewing machine with a voice warning device Feb. 5, 1985
4489305 Monitor for hydraulic transmission Dec. 18, 1984
4488140 Clutch temperature monitor Dec. 11, 1984
4488145 Resonant sounder device for producing multiple warning sounds Dec. 11, 1984
4481507 Abnormal condition warning apparatus for a sewing machine Nov. 6, 1984
4470035 Analog fuel consumption signal generator for vehicles Sep. 4, 1984
4454504 Torque overload indicator Jun. 12, 1984
4436699 Monitoring system for checking electric rotary machine for local overheating Mar. 13, 1984
4430647 Monitor for detecting malfunction of a rotation-angle transducer Feb. 7, 1984
4418341 Noise detection apparatus Nov. 29, 1983
4418342 Method of and a circuit for indicating the optimum adjustment of the working position of a brush roller in an electrically operated floor cleaning appliance Nov. 29, 1983
4403214 Protective device for attachments affixed to electrically operated beds Sep. 6, 1983
4399431 Alarm or warning device for signaling left-behind master or original Aug. 16, 1983
4398173 Safeness indicator for flexible shafts used in automotive steering mechanisms Aug. 9, 1983
4394648 Brush wear detector system with latching relay Jul. 19, 1983
4390870 Interface circuit for brush wear indicator application Jun. 28, 1983
4390872 Dot matrix condition display device for photocopiers Jun. 28, 1983
4363032 Sheet feeding control device for use in a coin wrapping machine Dec. 7, 1982
4355307 Safety stress shutdown switch Oct. 19, 1982
4349814 Electric switches Sep. 14, 1982
4347506 Electronic postage meter having check date warning with control for overriding the check date warning Aug. 31, 1982
4346371 Alarm circuit Aug. 24, 1982
4342988 Rupture disc alarm system Aug. 3, 1982
4339749 Abnormal condition sensing monitor system for use with machine tools Jul. 13, 1982
4334216 Electronic device for monitoring the operation of a servo system including a hydraulic jack Jun. 8, 1982
4333095 Brush wear indicator Jun. 1, 1982
4329683 Brush wear indicator for a dynamoelectric machine May. 11, 1982
4325061 Protective means for attachments affixed to electrically operated beds Apr. 13, 1982
4319236 Hall effect position detector Mar. 9, 1982
4317112 Arrangement for determining the removal of work tools and/or drive elements from receiving locations, particularly for a dental treatment location Feb. 23, 1982

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










 
 
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