Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776) |
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08/14/1991 | EP0440862A1 Remotely-controllable lightswitch or button |
08/08/1991 | WO1991011896A1 Circuit arrangement with at least one light-emitting source |
08/08/1991 | DE4003581A1 Infrared-controlled contactless dimmer switch with threshold circuit - operating on integrated output from LED-photodiode link via reflecting surface with range of several centimetres |
08/06/1991 | US5038079 Method for controlling fluorescent lamp dimmers and circuit for providing such control |
08/01/1991 | DE4002597A1 Timer arrangement for stairs lighting |
08/01/1991 | DE4002485C1 Protecting LV lighting systems independently of load - using comparator, timer, max. power adjuster and recorder for amt. of dimming |
08/01/1991 | DE4001811A1 Controlling intensity of individual halogen lamps in installation - using IR radiation to carry digital addresses and commands to receivers in lamps |
07/31/1991 | EP0438500A1 Monitoring circuits for electrical loads, especially for monitoring lamps. |
07/25/1991 | WO1991011088A1 Time enabled photosensing circuit |
07/25/1991 | CA2073173A1 Time enabled photosensing circuit |
07/24/1991 | EP0438100A1 Touch initiated light module |
07/23/1991 | US5034659 Lamp circuit with disconnected lamp detecting device |
07/18/1991 | CA2034284A1 Touch initiated light module |
07/16/1991 | US5032961 Ground light system for a landing strip |
07/16/1991 | US5032766 Special effects generator |
07/16/1991 | CA1286353C Ignitor disabler |
07/11/1991 | WO1991010276A1 Control system for several consumers |
07/11/1991 | DE4000108A1 Low voltage lamp overheating protector - compares lamp current with set manned current and set deviation outside given range |
07/10/1991 | CN1052983A Method for controlling fluorescent lamp dimmers and circuit for providing such control |
07/09/1991 | US5031082 Remotely controlled security lighting |
07/09/1991 | US5030893 Wall box dimming system and face plate and switch assembly therefor |
07/09/1991 | US5030890 Two terminal incandescent lamp controller |
07/04/1991 | DE3943305A1 Outdoor fluorescent-lamp switch shielded from direct light - is switched by in-built phototransistor extra sensitive to longer visible and IR wavelengths |
07/03/1991 | EP0435597A2 Integrated power level control and on/off function circuit |
07/03/1991 | EP0435224A2 Remote supervisory and controlling system performing dimming control of light loads |
07/03/1991 | EP0434859A1 Device for checking the correct working of an incandescent lamp |
07/03/1991 | CN2080283U Infrared circular controller for multi-way lighting lamp |
07/03/1991 | CN2080282U Optical and sound controlled timed switch for low voltage electric apparatus |
06/27/1991 | CA2029434A1 Integrated power level control and on/off function circuit |
06/26/1991 | EP0433527A1 Control arrangement for several consumers |
06/25/1991 | US5027052 Circuit arrangement for generating a pulsatory supply voltage for a load from a direct voltage |
06/25/1991 | US5027037 Controller for continuous tracing lights |
06/19/1991 | EP0432845A2 Method for controlling fluorescent lamp dimmers and circuit for providing such control |
06/19/1991 | CN2079399U Multi-purpose lamp |
06/18/1991 | US5025195 Current monitoring |
06/13/1991 | WO1991008635A1 Remotely controlled security lighting |
06/13/1991 | DE4035389A1 Modulation system for laser printer - has lighting level monitored and used to to provide correcting action to input |
06/13/1991 | DE3940936A1 Garage door control with relay for lamp switching - operated by interior lighting current so that exterior lighting is activated with suitable duration |
06/12/1991 | CA2031809A1 Method for controlling fluorescent lamp dimmers and circuit for providing such control |
06/11/1991 | US5023709 Automatic follow-up lighting system |
06/11/1991 | US5023517 Light controller apparatus |
06/05/1991 | EP0430836A1 Remote control carrier communication system |
06/05/1991 | EP0430792A1 Improvement of multiplexed control devices for a unit of electrical elements in a motor vehicle |
06/05/1991 | EP0388436A4 Network and intelligent cell for providing sensing, bidirectional communications and control |
05/29/1991 | CN2078065U Lamp with double switch for spyhole |
05/28/1991 | US5019769 Semiconductor laser diode controller and laser diode biasing control method |
05/28/1991 | US5019751 End-of-life lamp starter disabling circuit |
05/28/1991 | US5019747 Illumination control apparatus |
05/23/1991 | DE4032410A1 Electrical light supply - has voltage reduced by diode, inductance or thyristor circuit to improve operational life |
05/23/1991 | DE3938532A1 Safety flashlight - has rechargeable batteries and is activated of mains fails to indicate location |
05/23/1991 | DE3938251A1 Mains independent electrical lighting system - has solar energy charged batteries with sensors to control lighting activation |
05/21/1991 | US5018138 Protocol for network having a plurality of intelligent cells |
05/21/1991 | US5018057 Touch initiated light module |
05/21/1991 | US5017837 Indicator lamp system |
05/18/1991 | CA2030045A1 Mains-independent lighting equipment |
05/15/1991 | CN2077172U Touching delay-action circduit breaker with display in room |
05/14/1991 | US5015994 Security light controlled by motion detector |
05/08/1991 | DE3936483A1 Attaining blinking sequency for at least two lights - installed in series with activated lamp sending control signal to following one |
05/07/1991 | US5013972 Dual-powered flickering symbolic or religious light (electronic yahrzeit) |
05/01/1991 | CN2076287U Wireless intelligence street lamp monitor |
04/30/1991 | US5012160 Accordion mount for solar cells including point-of-purchase display with leds |
04/25/1991 | CA2007783A1 Circuit device for the automatic control of an entry light |
04/24/1991 | EP0424283A1 Control device for a remote control interrupter |
04/23/1991 | US5010460 Waterscape lamp with shade of proximity-capacitance-sensing type device |
04/23/1991 | US5010459 Console/lamp unit coordination and communication in lighting systems |
04/17/1991 | CN2075404U Universal photoelectric auto-switch |
04/16/1991 | US5008865 Light source with gradually changing intensity |
04/16/1991 | US5008595 Ornamental light display apparatus |
04/10/1991 | EP0420901A1 Procedure and apparatus for the control of electric power. |
04/10/1991 | CN2074962U Lighting device safety controllor |
04/09/1991 | US5006724 Control device for light sets |
04/04/1991 | WO1991004648A1 Circuit for compensating the capacitive effect of a connection of a low-voltage lamp on the secondary side |
04/04/1991 | WO1991004647A1 Field lighting installation |
04/02/1991 | US5004972 Integrated power level control and on/off function circuit |
04/02/1991 | US5004957 Dimming control circuit |
03/19/1991 | US5001398 Lamp intensity control system having over-current protection |
03/15/1991 | CA2023843A1 System for creating comfortable space |
03/12/1991 | US4999544 Tree hung ornamental dimmer |
03/07/1991 | DE3928801A1 Contact breaker protection of low voltage halogen lamps - having monitored current compared with threshold valve to control supply to lamp |
03/06/1991 | EP0415662A2 An arrangement for supervising the condition of a safety light system |
03/06/1991 | EP0415621A2 Communication system for single point emergency lighting |
03/01/1991 | CA2020090A1 Communication system for single point emergency lighting |
02/28/1991 | DE3927496A1 Motorcycle lighting installation circuitry - provides automatic switching form dipped to main beam upon failure using triac |
02/27/1991 | CN2072304U Light controlled mini sleeping lamp |
02/27/1991 | CN2072303U Thyristor energy saving switch |
02/26/1991 | US4996463 Auxiliary lighting system for high intensity discharge lamp |
02/21/1991 | WO1991002441A1 Process for adapting the light intensity of summation light to external light |
02/21/1991 | WO1991002336A1 Stage programmable light sequencer for a toy |
02/19/1991 | US4995026 Apparatus and method for encoding audio and lighting control data on the same optical disc |
02/13/1991 | CN2071411U Light controller for road lamps |
02/10/1991 | CA2019547A1 Stage programmable light sequencer for a toy |
02/05/1991 | USH891 Automatic illumination switching device |
02/05/1991 | US4991054 Time-delay outdoor lighting control systems |
02/05/1991 | US4990908 AC wire |
02/05/1991 | CA1279891C Universal synchronous marine navigation light system |
01/30/1991 | EP0410484A1 Process for adapting the total light intensity to the outside light intensity |
01/30/1991 | EP0410434A2 Lighting remote monitor/control system |
01/29/1991 | US4988924 Circuit arrangement for controlling the brightness of a lamp |
01/29/1991 | US4988921 Lamp with integral automatic light control circuit |
01/29/1991 | US4988840 A safety device |