| Patents for B60Q 11 - Arrangement of monitoring devices for devices provided for in groups (1,873) |
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| 12/29/1993 | CN2151043Y Multifunctional vehicle light controller with breakdown monitor |
| 12/22/1993 | CN2150103Y Automobile light monitor |
| 12/08/1993 | EP0192672B2 Method for checking control apparatuses |
| 12/01/1993 | CN2147989Y Signal light operating mode monitoring display for car |
| 11/30/1993 | US5266840 Circuit for detecting the failure of a load which is connected in series with an electronic switch |
| 11/30/1993 | CA1324814C Protective circuit for battery powered engine ignition system |
| 10/19/1993 | US5254971 Adaptive lamp monitor using capacitors and switches |
| 09/22/1993 | CN1076558A Automatic protector for electrical equipment of car |
| 09/21/1993 | US5247280 Combination vehicle flasher having first and second flash rates and duty rates |
| 09/08/1993 | CN1075925A Automatic maintaining device for motor vehicle light |
| 08/31/1993 | US5241295 Multiple input warning system for a motor vehicle |
| 08/25/1993 | CN2140851Y Automobile light fault alarm |
| 08/25/1993 | CN2140850Y Multi-functional high-power flash acoustic signal device for automotive vehicles |
| 08/11/1993 | CN2139904Y Turn indicator light flasher for automobile |
| 08/10/1993 | US5235317 Adaptive lamp monitor with non-linear normalization factor |
| 07/28/1993 | CN2139073Y Electronic flash alarm for automobile |
| 07/27/1993 | US5230557 3rd brake light burnout detection system |
| 07/21/1993 | CN2138590Y Monitor for automobile light |
| 07/21/1993 | CN1074414A Warning method for self-detecting vehicle light fault |
| 07/20/1993 | US5229602 Contamination sensor for transparent elements having a reflection light barrier and a working voltage controller |
| 07/14/1993 | CN1021562C Automobile flashing device for automatically giving caution during damage of flashing lamps |
| 07/07/1993 | CN2137614Y Controlling device for direction-changing indicator lamp of motorvehicle |
| 06/30/1993 | CN2137221Y Automatic detecting blinker for direction indicators of car |
| 06/29/1993 | US5223820 Adaptive lamp monitor with single piece sensor |
| 06/23/1993 | CN2136774Y Monitoring prewarning device for lamp of motor-driven vehicle |
| 06/23/1993 | CN2136773Y Automatic detecting alarm device for car lamplight stoppage |
| 06/22/1993 | US5221918 Back-up warning lamp useful for supplemental inflatable restraint systems |
| 06/16/1993 | EP0546244A1 Circuit device for vehicle |
| 06/16/1993 | CN2136170Y Fuse disconnection and circuit break alarm for lighting indicating system of motor-vehicle |
| 06/16/1993 | CN2136169Y Automobile light monitor |
| 06/09/1993 | DE4140155A1 Lighting assembly for motor vehicle with standby safety provision - has duplicate bulbs for all standard vehicle lights with automatic electronic changeover and indication of faulty circuit. |
| 06/02/1993 | CN2134944Y Multi-functional flashing lamp of vehicle |
| 06/01/1993 | US5216328 Vehicle lighting system |
| 05/26/1993 | CN2134320Y Automotive headlight monitor |
| 05/26/1993 | CN2134319Y Vehicle lamps automatic monitor |
| 05/19/1993 | CN1072142A Efficient warner for light trouble of vehicle |
| 05/18/1993 | US5212469 Trailer lamp controller |
| 05/05/1993 | EP0539705A2 Electrical circuit device for a towing vehicle |
| 05/05/1993 | EP0438500B1 Monitoring circuits for electrical loads, especially for monitoring lamps |
| 05/01/1993 | CA2081724A1 Vehicle lighting system |
| 04/21/1993 | CN2130147Y Trouble alarm for automobile brake lamp |
| 04/07/1993 | CN2129238Y Monitoring instrument for automobile headlight |
| 04/07/1993 | CN1070615A Vehicle leading instrument for advanced displaying instantaneous moving trace of vehicle on ahead road |
| 03/16/1993 | US5194779 Headlight assembly for a vehicle |
| 02/25/1993 | DE4127971A1 Motor vehicle headlamp with gas-discharge safety circuit - prevents ignition of lamp unless integrity of glass is proven by measurement of track resistance |
| 02/18/1993 | WO1993002893A1 Checking the lights of a vehicle |
| 02/17/1993 | EP0527254A1 Testing circuit for electrical supplies in a vehicle |
| 02/17/1993 | CN2127068Y Automobile front indicator light breakdown alarm |
| 02/10/1993 | CN2126840Y Monitor for breakdown of automobile light |
| 02/10/1993 | CN2126839Y Emergency alarm device for headlight of automobile |
| 01/27/1993 | CN2126628Y Failure alarm for automotive braking light |
| 01/07/1993 | DE4120893A1 Multimode motor vehicle lighting installation with individual adjustments - enables functions to be transferred from defunct to intact lamps by power averaged pulsed switching operations |
| 12/30/1992 | EP0386036B1 Arrangement for monitoring the performance of a vehicle stop-light switch |
| 12/22/1992 | US5173685 Monitoring circuits for lamps or other electrical loads using a comparator with a constant voltage power supply |
| 12/09/1992 | CN2124163U Audio monitor for indicator light system of motor vehicle |
| 11/29/1992 | CA2043427A1 Lighting and air brake tester |
| 11/19/1992 | DE4116011A1 Functional monitoring of vehicular brake warning lamp switch - indicating failure when number of braking operations, not accompanied by closure of switch, exceeds predetermined limit |
| 11/11/1992 | CN2121377U Car lamp monitor with language alarm function |
| 10/22/1992 | DE4111223A1 Information signal exchange appts. between tractor and trailer - transfers data and signals for signal illumination etc. by modulated and coded signal |
| 10/20/1992 | US5157376 Method and device for monitoring direction indicator lights of a vehicle trailer |
| 10/20/1992 | US5156444 Arrangement for monitoring the performance of a vehicle stop-light switch |
| 09/24/1992 | DE4137774A1 Function monitor for automobile lights - uses phototransistor for detecting different brightness values |
| 09/23/1992 | EP0505334A1 Solid state device for controlling the lamps of a motor vehicle |
| 09/16/1992 | EP0503477A1 Circuit for monitoring consumers |
| 09/02/1992 | EP0501014A2 Circuit arrangement for a towing vehicle |
| 09/02/1992 | CN2114591U Trouble alarm for vehicle signal lamp |
| 09/01/1992 | US5144282 Adaptive lamp monitor with first and second comparison rates |
| 08/18/1992 | US5140250 Protective circuit for battery powered engine ignition system |
| 08/05/1992 | CN2111887U Light monitor of automobile |
| 07/22/1992 | CN2110593U Automobile light trouble alarm |
| 07/22/1992 | CN1062873A Automobile flashing device for automatically giving caution during damage of flashing lamps |
| 07/15/1992 | CN2109965U Light-control display checking apparatus for vehicle lamplight |
| 07/08/1992 | CN2109337U Monitor for automobile signal lamp |
| 07/01/1992 | EP0492153A1 Process for increasing the visibility of a vehicle warning lamp |
| 06/24/1992 | CN2108015U Light failure alarm device for car |
| 06/23/1992 | US5124857 Vehicular light monitoring apparatus |
| 06/23/1992 | US5124616 Circuit for driving a load and for producing a signal indicative of the condition of the load |
| 06/03/1992 | CN2106099U Brake lamp failure monitor alarm for car |
| 05/27/1992 | DE4135546A1 Circuit arrangement for towing trailer - supplies additional current to tractor direction indicator lamps after detection of failure of corresp. trailer lamp |
| 05/13/1992 | EP0485119A2 Circuit for driving a load and for producing a signal indicative of the condition of the load |
| 05/06/1992 | EP0483650A1 Circuit arrangement for a towing vehicle |
| 04/29/1992 | EP0482006A1 Dirt sensor for panes in motor vehicles. |
| 04/29/1992 | CN2102866U Stoppage indicator for light of motor vehicle |
| 04/22/1992 | CN2102220U Electronic alarm |
| 04/22/1992 | CN2102219U Vehicles and ship display light trouble monitor |
| 04/01/1992 | CN2100332U Portable detector for vehicle headlights |
| 03/25/1992 | CN2099691U Alarm for headlight breakdown of car |
| 03/18/1992 | EP0475880A2 Magnetic automotive lamp current sensor |
| 03/18/1992 | CN2099044U High sensitivity alarms for automobile light breakdown |
| 03/10/1992 | US5095274 Temperature-compensated apparatus for monitoring current having controlled sensitivity to supply voltage |
| 03/04/1992 | CN2097778U Automatic determining alarm for motor vehicle lamp breakdown |
| 03/04/1992 | CN2097777U Automobile lamp monitor |
| 02/20/1992 | DE4126762A1 Discharge lamp arrangement esp. for motor vehicle headlamp - includes relay circuit for both main-beam and dipped headlamps, safeguarding supply circuit against unloaded operation |
| 01/22/1992 | CN2093790U Vehicle-light fault alarm |
| 01/15/1992 | CN2093121U Headlight monitor for car |
| 01/14/1992 | US5081565 Daytime running light system |
| 01/09/1992 | WO1992000579A1 System for detecting the condition of a lamp and activating a permanent memory two-state display of the lamp condition |
| 12/25/1991 | CN2091247U Automobile lamp with monitor instrument |
| 12/24/1991 | US5075672 System for detecting the condition of a lamp and activating a permanent memory two-state display of the lamp condition |
| 12/24/1991 | US5075669 Warning system for detecting burned-out condition of automotive lamps |