Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 37 - Circuit arrangements for electric light sources in general
Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776)
10/1982
10/05/1982US4353008 Display apparatus for a drum
09/1982
09/15/1982EP0060068A1 Remotely controlled lighting system
09/14/1982US4349748 Timer and power control system
09/07/1982US4348616 Preset lighting device
09/07/1982US4348613 Lamp failure indicating circuit
08/1982
08/31/1982US4346640 Decorative light flashing apparatus and acousto-electric transducer therefor
08/24/1982US4346331 Feedback control system for applying AC power to ballasted lamps
08/11/1982EP0057190A1 A feedback control system for applying ac power to ballasted lamps
08/10/1982US4344000 Power circuit control programmable timer
08/10/1982CA1129482A1 Electronic votive lights
08/05/1982WO1982002608A1 Control system for energy consuming installation
07/1982
07/30/1982EP0047783A4 Power circuit control programmable timer.
07/20/1982CA1128116A1 Sequencing device for flash lamp arrays
07/13/1982US4339696 Light switch delay circuit
07/13/1982CA1127705A1 Electric lighting installation
07/06/1982US4338562 Load control circuit with timed interruption
06/1982
06/16/1982EP0053896A1 Light dimmer device
05/1982
05/27/1982WO1982001801A1 Circuit for signaling defaults at a current consumer connected through an electronic coupling device
05/19/1982EP0051854A1 Failure-indicating circuit for a current load connected over an electronic switching device
05/18/1982US4330778 Device for detecting broken filaments in lamps
04/1982
04/06/1982US4323841 Indicating device for use in airfield lighting plants technical field
03/1982
03/30/1982US4322632 Remote load selector
03/24/1982EP0048192A1 Arrangement for automatically checking a plurality of indicating lamps
03/24/1982EP0047783A1 Power circuit control programmable timer.
03/23/1982US4321509 Dimmer
03/03/1982EP0038852A4 Programmable system for controlling a plurality of distributed electrical loads.
02/1982
02/23/1982US4317071 Computerized illumination system
02/16/1982CA1118394A1 Fused light string set
02/09/1982US4315196 Disconnection detecting circuit of double-filament spherical lamp
02/02/1982US4314238 Electric lighting installation
01/1982
01/26/1982US4313063 Airport lighting sequence control
01/13/1982EP0043528A1 Lighting system
12/1981
12/29/1981CA1115338A1 Method and apparatus for operating radiant devices
12/10/1981WO1981003596A1 A feedback control system for applying ac power to ballasted lamps
12/08/1981US4305006 Electrical switch
12/01/1981CA1113539A1 Touch control switch
11/1981
11/25/1981EP0040339A1 A centrally controlled lighting installation having a plurality of individually-switchable individual light points, central switch elements and individual light switches therefor
11/12/1981WO1981003252A1 A system for switching off and possible relighting of selected lamps in a lighting plant
11/11/1981EP0039585A1 Stage lighting control system
11/04/1981EP0038877A1 Process and system for transmitting information and instructions on an alternating current distribution network
11/04/1981EP0038852A1 Programmable system for controlling a plurality of distributed electrical loads.
10/1981
10/27/1981US4297632 Device for monitoring lamp failure in airport navigation lighting
10/13/1981US4295079 Lamp circuit with disconnected lamp detecting device
10/13/1981CA1110600A1 Photoflash lamp array
10/07/1981EP0037315A1 Control device for variations in time of the intensity of a lighting installation
10/01/1981WO1981002808A1 Power circuit control programmable timer
09/1981
09/30/1981EP0036666A1 Remote load selector
09/22/1981US4291302 Lamp monitoring circuits
09/22/1981CA1109515A1 Ornamental lighting control
09/09/1981EP0035339A1 Current control device
08/1981
08/18/1981US4284926 Decorative lighting control with a waveform generator
08/11/1981US4283658 Projection lamp control arrangement
08/11/1981CA1106906A1 Underwater light circuit and installation
07/1981
07/28/1981US4281365 Variable photoelectric cell
07/15/1981EP0031874A1 Electrical installation arrangement
07/08/1981EP0031404A1 Remote control circuit
07/07/1981US4277727 Digital room light controller
06/1981
06/16/1981US4274045 Power supply and control circuit for series connected controller
05/1981
05/26/1981US4270171 Position sensing and indicating device
05/19/1981CA1101485A1 Illumination control apparatus for compensating solar light
05/14/1981WO1981001350A1 Method and apparatus for controlling distributed electrical loads
04/1981
04/14/1981CA1099329A1 Ornamental lighting control
03/1981
03/31/1981US4259618 Electronic assembly
03/18/1981EP0025404A2 Short-circuiting element for series supply circuit
03/11/1981EP0024556A1 Monitoring arrangement for the insulating resistance of a series voltage circuit of an airfield's lighting system
03/03/1981US4254403 Systems for transmitting information in an alternating current electricity supply system
02/1981
02/24/1981US4253045 Flickering flame effect electric light controller
02/24/1981US4253042 Alternating current lampchanger control circuit
02/11/1981EP0023515A1 Sequencing light controller
02/03/1981US4249111 Automatic lamp shutdown circuit
12/1980
12/30/1980US4242614 Lighting control system
12/23/1980US4241295 Digital lighting control system
12/16/1980US4240011 Keyboard operated controller
12/09/1980US4238711 Circuit for selective individual operation of multiple arc discharge lamps
12/09/1980US4238709 Head lamp control circuit
12/02/1980US4237377 Photoelectric lamp control with sun-synchronized timer
11/1980
11/25/1980CA1090411A1 Dimmer control circuit
11/18/1980US4234878 Monitoring device for the proper operation of lamps particularly in motor vehicles
11/18/1980US4234819 Underwater light circuit and installation
11/11/1980US4233545 Automatic lighting control system
10/1980
10/21/1980US4229664 Photo electric methods and apparatus for regulating electrical power consumption in stores
10/15/1980EP0017247A2 Change-over switch device
10/02/1980WO1980002083A1 Timer and power control system
09/1980
09/30/1980US4225901 Lampchanger for a light
09/30/1980US4225808 Selective illumination
09/17/1980EP0015888A2 Device for the sequential operation of flashing lights
09/16/1980US4223248 Fused light string set
09/02/1980CA1084651A1 Fastener emplacement mechanism
08/1980
08/21/1980WO1980001746A1 Sequencing light controller
08/05/1980US4216413 System for sequentially operating flash lamps in repeated sequences
08/05/1980US4216411 Underwater light assembly with low-water cut-off
07/1980
07/29/1980US4215277 Sequencing light controller
07/29/1980CA1082771A1 Dc voltage control device
07/22/1980US4214236 Driver circuit for an electrical load with capability for detecting a short in the load
07/22/1980US4214227 Instrument panel assembly
07/15/1980US4213182 Programmable energy load controller system and methods
06/1980
06/24/1980US4209728 Outdoor lighting system and method
06/10/1980US4207501 Lamp control circuit using heater/thermistor time delay
06/10/1980US4207500 Cut-off arrangement for and method of protecting a ballast-starter circuit from high pressure sodium lamp cycling malfunction
06/03/1980USRE30296 Digital electronic dimmer
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