G05B 2219/24
Pc safety
G05B2219/24 (Pc safety) appears on 2,057 US grants and 2,253 published applications in this corpus.
Search patents in G05B- Granted patents
- 2,057
- Published applications
- 2,253
- Assignees
- 947
- Inventors
- 5,229
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 11 | 0 |
| 1985 | 8 | 0 |
| 1986 | 10 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 15 | 0 |
| 1990 | 5 | 0 |
| 1991 | 13 | 0 |
| 1992 | 9 | 0 |
| 1993 | 10 | 0 |
| 1994 | 15 | 0 |
| 1995 | 18 | 0 |
| 1996 | 23 | 0 |
| 1997 | 14 | 0 |
| 1998 | 23 | 0 |
| 1999 | 28 | 0 |
| 2000 | 19 | 0 |
| 2001 | 21 | 16 |
| 2002 | 19 | 53 |
| 2003 | 28 | 59 |
| 2004 | 45 | 61 |
| 2005 | 43 | 46 |
| 2006 | 52 | 64 |
| 2007 | 45 | 76 |
| 2008 | 28 | 51 |
| 2009 | 33 | 73 |
| 2010 | 46 | 68 |
| 2011 | 55 | 81 |
| 2012 | 44 | 72 |
| 2013 | 54 | 58 |
| 2014 | 62 | 77 |
| 2015 | 59 | 92 |
| 2016 | 64 | 101 |
| 2017 | 65 | 156 |
| 2018 | 102 | 174 |
| 2019 | 177 | 181 |
| 2020 | 170 | 132 |
| 2021 | 130 | 146 |
| 2022 | 127 | 149 |
| 2023 | 102 | 94 |
| 2024 | 107 | 84 |
| 2025 | 73 | 59 |
| 2026 | 34 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G05B 2219/24015MonitoringIndexing code251
- G05B 2219/24024Safety, surveillanceIndexing code116
- G05B 2219/24167Encryption, password, user access privilegesIndexing code113
- G05B 2219/24048Remote test, monitoring, diagnosticIndexing code97
- G05B 2219/24215Scada supervisory control and data acquisitionIndexing code86
- G05B 2219/24182RedundancyIndexing code75
- G05B 2219/24055Trace, store a working, operation historyIndexing code66
- G05B 2219/24001Maintenance, repairIndexing code61
All 195 subgroupsShow fewer
- G05B 2219/24187Redundant processors run identical programsIndexing code61
- G05B 2219/24162Biometric sensor, fingerprint as user access passwordIndexing code57
- G05B 2219/24125Watchdog, check at timed intervalsIndexing code54
- G05B 2219/24028Explosion free control, intrinsically safeIndexing code50
- G05B 2219/24008Safety integrity level, safety integrated systems sil sisIndexing code49
- G05B 2219/24033Failure, fault detection and isolationIndexing code48
- G05B 2219/24053Diagnostic of controlled machineIndexing code46
- G05B 2219/24019Computer assisted maintenanceIndexing code45
- G05B 2219/24084Remote and local monitoring, local result to remote, remote takes actionIndexing code45
- G05B 2219/24159Several levels of security, passwordsIndexing code41
- G05B 2219/24168Identify connected programmer to allow control, program entryIndexing code40
- G05B 2219/24186Redundant processors are synchronisedIndexing code37
- G05B 2219/24067Processor stores variables, events and date in eeprom, for external monitorIndexing code34
- G05B 2219/24003Emergency stopIndexing code32
- G05B 2219/24097Camera monitors controlled machineIndexing code32
- G05B 2219/24054Self diagnosticIndexing code31
- G05B 2219/24069DiagnosticIndexing code29
- G05B 2219/24075Predict control element state changes, event changesIndexing code29
- G05B 2219/24012Use camera of handheld device, head mounted displayIndexing code27
- G05B 2219/24093Display, show place of error, faultIndexing code27
- G05B 2219/24189Redundant processors monitor same point, common parametersIndexing code27
- G05B 2219/24058Remote testing, monitoring independent from normal control by pcIndexing code26
- G05B 2219/24065Real time diagnosticsIndexing code25
- G05B 2219/24184Redundant i-o, software comparison of both channelsIndexing code25
- G05B 2219/24042Signature analysis, compare recorded with current data, if error then alarmIndexing code24
- G05B 2219/24175Redundant communication channel, if one fails use the otherIndexing code24
- G05B 2219/24192Configurable redundancyIndexing code23
- G05B 2219/24086Expert system, guidance operator, locate fault and indicate how to repairIndexing code22
- G05B 2219/24195Compare data in channels at timed intervals, for equalityIndexing code22
- G05B 2219/24103Graphical display of proces as function of detected alarm signalsIndexing code21
- G05B 2219/24139Recovery from power loss, failureIndexing code21
- G05B 2219/24158Access only for service, hide, forbidden tamperfree keys, programIndexing code21
- G05B 2219/24188Redundant processors run different programsIndexing code21
- G05B 2219/24165Use codes to activate features of controllerIndexing code19
- G05B 2219/24056Portable, detachable module to input test signals, read test resultsIndexing code18
- G05B 2219/24138Battery backupIndexing code18
- G05B 2219/24196Plausibility check in channels for correct sequence or resultIndexing code18
- G05B 2219/24038Several test signals stored in memory and used as input signalsIndexing code16
- G05B 2219/24102Display status of controllerIndexing code16
- G05B 2219/24123Alarm filtering, level and direct precursor, required action, blocking conditionIndexing code16
- G05B 2219/24136Monitor load state of batteryIndexing code16
- G05B 2219/24191Redundant processors are different in structureIndexing code16
- G05B 2219/24163Authentication tag in configuration fileIndexing code15
- G05B 2219/24146Configure actuators to be switched off in case of emergency stopIndexing code14
- G05B 2219/24198Restart, reinitialize, boot system after fault detection, hanging up, stallingIndexing code14
- G05B 2219/24018Computer assisted repair, diagnosticIndexing code13
- G05B 2219/24036Test signal generated by microprocessor, for all i-o testsIndexing code13
- G05B 2219/24071Online service documentationIndexing code13
- G05B 2219/24077Module detects wear, changes of controlled device, statistical evaluationIndexing code13
- G05B 2219/24137Non volatile memory to store program on power lossIndexing code13
- G05B 2219/24199Recover from fault, malfunction, go to safe state, correct and set newIndexing code13
- G05B 2219/24032Power on reset, powering upIndexing code12
- G05B 2219/24063Select signals as function of priority, importance for diagnosticIndexing code12
- G05B 2219/24085Analyze, trace fault signals according to tree, tableIndexing code12
- G05B 2219/24117If error detected, shut downIndexing code11
- G05B 2219/24154Password with time limited access to system, protect protocolIndexing code11
- G05B 2219/24155Load, enter program if device acknowledges received password, security signalIndexing code11
- G05B 2219/24161Use of key, in key is stored access levelIndexing code11
- G05B 2219/24177State machine arbitrates which redundant controller is activeIndexing code11
- G05B 2219/24211Override normal program, execute urgency program so machine operates safeIndexing code11
- G05B 2219/24021Separate processor for monitoring systemIndexing code10
- G05B 2219/24072Detect faulty circuit, display on screen and replace itIndexing code10
- G05B 2219/24074Probability of defect, seriosity or severity of defect, faultIndexing code10
- G05B 2219/24152Normal and emergency program are integratedIndexing code10
- G05B 2219/24091Display indication out of order, alarm indicationIndexing code9
- G05B 2219/24132Over voltage protectionIndexing code9
- G05B 2219/24183If error, spare unit takes over, message to leader, confirm new configurationIndexing code9
- G05B 2219/24216Supervision of systemIndexing code9
- G05B 2219/24025Remove board with system on power, hot plug in, swap, docking, lifeIndexing code8
- G05B 2219/24026Latch, block unlatch, unblockIndexing code8
- G05B 2219/24034Model checker, to verify and debug control softwareIndexing code8
- G05B 2219/24043Test memory comparing with known stored valid memory statesIndexing code8
- G05B 2219/24047Count certain number of errors, faults before delivering alarm, stopIndexing code8
- G05B 2219/24083Detect if actuators are correct, reactIndexing code8
- G05B 2219/24092Warning display lights, lamps, leds on moduleIndexing code8
- G05B 2219/24172Use of second password, different from firstIndexing code8
- G05B 2219/24061Simulator, generates input signals, shows output signals of logicIndexing code7
- G05B 2219/24081Detect valid sequence of commandsIndexing code7
- G05B 2219/24142Program has a protected, independent part and a free programmable partIndexing code7
- G05B 2219/24156Inhibit program entry, keyboard by entering sequence of certain keysIndexing code7
- G05B 2219/24173One sensor, two i-o channels each for different processorIndexing code7
- G05B 2219/24205Slow down processor activity if temperature rises above limitIndexing code7
- G05B 2219/24037Switch on pin of microprocessor for testIndexing code6
- G05B 2219/24082Detect if driver, actuation circuit is correctIndexing code6
- G05B 2219/24088Simulate process graphically using feedback from real, to prevent or repairIndexing code6
- G05B 2219/24104Operator can select a graphical screen at his will as help diagnosticIndexing code6
- G05B 2219/24107Display centrally detected user, function changes of remote deviceIndexing code6
- G05B 2219/24126Program stopped if instruction not executed or if output module is missingIndexing code6
- G05B 2219/24148Inhibit local control if in remoteIndexing code6
- G05B 2219/24178Controlled device decides which redundant controller will be activeIndexing code6
- G05B 2219/24204Select restore procedure corresponding to matched abnormal condition, tableIndexing code6
- G05B 2219/24208Go into safety mode if communications are interruptedIndexing code6
- G05B 2219/24011Transmit warning, error message to all devices in a listIndexing code5
- G05B 2219/24039Test sequence time and sequence profileIndexing code5
- G05B 2219/24064Sample rate variable as function of importance of alarm signalsIndexing code5
- G05B 2219/24131Noise rejection, shielding board, bus, linesIndexing code5
- G05B 2219/24145Test for collision of actuated devices, articles, if interference inihibit entryIndexing code5
- G05B 2219/24181Fail silent nodes, replicated nodes grouped into fault tolerant unitsIndexing code5
- G05B 2219/24197Dual analog output ports, second takes over if first failsIndexing code5
- G05B 2219/24203Restart, recover from error only if detected states equal stored statesIndexing code5
- G05B 2219/24206Identification by portable memory in a keyIndexing code5
- G05B 2219/24041Pc as detachable debug, monitor device for control systemIndexing code4
- G05B 2219/24044Second controller monitors diagnostics system of first controllerIndexing code4
- G05B 2219/24052Set switch on for diagnosticIndexing code4
- G05B 2219/24059Diagnostic programmed in state logicIndexing code4
- G05B 2219/24094Voice alarmIndexing code4
- G05B 2219/24114Continue program if crashed microprocessor, program module is not crucialIndexing code4
- G05B 2219/24115Continue critical operation only if detector, operator input is satisfiedIndexing code4
- G05B 2219/24122Inhibit automatic control if in manual controlIndexing code4
- G05B 2219/24124Identification of program, if not assigned for machine, reject, stopIndexing code4
- G05B 2219/24128Command and intermediate error feedback used to verify correct executionIndexing code4
- G05B 2219/24141Capacitor backupIndexing code4
- G05B 2219/24007Backup data if microprocessor not respondingIndexing code3
- G05B 2219/24017Powering up, starting machine supervised by microprocessorIndexing code3
- G05B 2219/24031Fpga takes over control if emergency or programmed stop, to shut downIndexing code3
- G05B 2219/24076Markov model for safety analysisIndexing code3
- G05B 2219/24095Show timely order of errorsIndexing code3
- G05B 2219/24099On error, send error over lightdiode to external pc, displayIndexing code3
- G05B 2219/24108Correct fault so that microprocessor functions correctly, without resetIndexing code3
- G05B 2219/24109Execute first diagnostic, service program before normal control programIndexing code3
- G05B 2219/24119Compare control states to allowed and forbidden combination of statesIndexing code3
- G05B 2219/24127Disable, inhibit control signal in i-o interface if alarm status setIndexing code3
- G05B 2219/24133Ground each module and total systemIndexing code3
- G05B 2219/24151Inhibit programming if physical resources are missing, no gas for heatingIndexing code3
- G05B 2219/24153System controller can control independent from hostIndexing code3
- G05B 2219/24166Permit from several operators to allow accessIndexing code3
- G05B 2219/24169Identification of last person who changed programIndexing code3
- G05B 2219/24193Two transducers for same parameterIndexing code3
- G05B 2219/24004If control lever, joystick, handle is released, spring return to neutralIndexing code2
- G05B 2219/24009If board, card is retrieved, then disconnect first power, then block machineIndexing code2
- G05B 2219/24027Circuit, independent from microprocessor, detects contact switch to allow power to actuatorIndexing code2
- G05B 2219/24029Alarm if wrong device, apparatus is connected to control moduleIndexing code2
- G05B 2219/24049Use of control bitsIndexing code2
- G05B 2219/24062During simulation, test inhibit output to actuatorsIndexing code2
- G05B 2219/24068Find intermittent errorsIndexing code2
- G05B 2219/24073Avoid propagation of faultIndexing code2
- G05B 2219/24078Debounce, correct periodicity of commandIndexing code2
- G05B 2219/24096Show number of error eventIndexing code2
- G05B 2219/24098Scan and display states of all actuators if controller failsIndexing code2
- G05B 2219/24111Inhibit control until control lever is first set to neutral positionIndexing code2
- G05B 2219/24134Use of high voltage 28-volt logic levelIndexing code2
- G05B 2219/24147Program entry, inhibit manual control if in automatic modeIndexing code2
- G05B 2219/24157Block, inhibit certain inputs by entering certain keycodeIndexing code2
- G05B 2219/24164Parts of program accesible only during execution, no access with programming toolIndexing code2
- G05B 2219/24174One channel is used for communication while other is tested, in redundantIndexing code2
- G05B 2219/24176Central controller may override redundant controllerIndexing code2
- G05B 2219/24179Redundant storage of control parametersIndexing code2
- G05B 2219/24185After repair, update redundant system during non critical periodsIndexing code2
- G05B 2219/24202After failure and stop of program, special switch to restartIndexing code2
- G05B 2219/24214Detect if analog output signal is within rangeIndexing code2
- G05B 2219/24002Clock failing, adaptive to clockIndexing code1
- G05B 2219/24005Inhibit update control program if default values has been changed by programIndexing code1
- G05B 2219/24006Code coverage memory:contains data about addressed addresses during program runIndexing code1
- G05B 2219/24014Protection to extract, insert circuit boardIndexing code1
- G05B 2219/24023Stop error message after permission operator, acknowledgementIndexing code1
- G05B 2219/24035Superpose testsignal on normal i-o lines, through transfo and rectifierIndexing code1
- G05B 2219/24045Test if memory card is inserted, presentIndexing code1
- G05B 2219/24057Set jumper on board to change user mode to diagnostic modeIndexing code1
- G05B 2219/24066Monitor only devices essential to current processIndexing code1
- G05B 2219/24079Detect correct command wave formIndexing code1
- G05B 2219/24101Stop error message after a certain timeIndexing code1
- G05B 2219/24105Perform an initial display process to check displaysIndexing code1
- G05B 2219/24106Display instructions, program statements together with monitored parameter valueIndexing code1
- G05B 2219/24112Delay software reset until critical operations are finishedIndexing code1
- G05B 2219/24113No transmission of errors to central during intervention of maintenance operatorIndexing code1
- G05B 2219/24116Reprogram inserted module, reread parameters to enable operation machineIndexing code1
- G05B 2219/24194One channel monitors correct programcode execution, other correct process stateIndexing code1
- G05B 2219/24201Inhibit restart program if start switch fails in normal run modeIndexing code1
- G05B 2219/24209Create film in case of errorIndexing code1
- G05B 2219/24212Set off alarm state manually, acknowledge to restart normal controlIndexing code1
- G05B 2219/24213No shut down if after emergency detection, all control parameters are safeIndexing code1
- G05B 2219/24013Unlatch all relays in common with micorprocessorIndexing code0
- G05B 2219/24016Unlatch for reparationIndexing code0
- G05B 2219/24022Stop error message after a number of repeated error eventsIndexing code0
- G05B 2219/24046Test if controller has enough memory availableIndexing code0
- G05B 2219/24051Two test pins, one for input and one for outputIndexing code0
- G05B 2219/24087After correct repair, update fault treeIndexing code0
- G05B 2219/24089Change colour of message after reading messageIndexing code0
- G05B 2219/24118Inhibit, disable control if program module not inserted or wrong module addressedIndexing code0
- G05B 2219/24121On fault, detect bit pattern to indicate kind of fault and stopIndexing code0
- G05B 2219/24129Means for safety such as resettable fuse, pptcIndexing code0
- G05B 2219/24135Use of infra red for optical limit switch against day lightIndexing code0
- G05B 2219/24143Inhibit control if device does not answer a start signal within timeIndexing code0
- G05B 2219/24144Load new program, overwrite old program only if machine is haltedIndexing code0
- G05B 2219/24149Inhibit program entry if an essential sensor of apparatus is missing, brokenIndexing code0
- G05B 2219/24171Supervisor code to change passwordsIndexing code0
- G05B 2219/24207If processor overloaded, reduce messages sent by other systems to itIndexing code0
Recent patents
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Most cited
By later US patents
- Smart remote monitoring system and method1,009US 6,553,336 B1Telemonitor, Inc. · 2003
- Method and apparatus for controlling and determining the status of electrical devices from remote locations714US 5,905,442 ALutron Electronics Co., Inc. · 1999
- Functional relationship-based alarm processing680US 4,749,985 AThe United States of America as represented by the United States Department of Energy · 1988
- Remotely programmable infusion system652US 5,871,465 AI-Flow Corporation · 1999
- Remotely programmable infusion system585US 5,573,506 ABlock Medical, Inc. · 1996