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