| Patents for H05B 37 - Circuit arrangements for electric light sources in general (57,776) |
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| 03/12/1985 | USRE31848 Electronic assembly |
| 03/12/1985 | US4504776 Power saving regulated light emitting diode circuit |
| 02/26/1985 | CA1183215A1 Automated monitoring device for a plurality of warning lights |
| 02/19/1985 | US4500796 System and method of electrically interconnecting multiple lighting fixtures |
| 02/19/1985 | US4500795 Electrical timing control switch |
| 01/29/1985 | US4496941 For supplying current to a load |
| 01/29/1985 | US4496905 Testing device for electrically analyzing a high _pressure sodium lighting fixture and lamp |
| 01/29/1985 | CA1181795A1 Computer controlled lighting system having automatically variable position, color, intensity and beam divergence |
| 01/16/1985 | EP0131100A1 Electronic brightness control apparatus |
| 01/15/1985 | US4494012 Switch timer |
| 01/08/1985 | US4492896 Electronic candle system |
| 12/18/1984 | US4489385 Method and apparatus for controlling distributed electrical loads |
| 12/11/1984 | US4488092 Illumination mode selecting device for illumination lamp |
| 12/04/1984 | US4486820 Lighting equipment with a solar cell |
| 12/04/1984 | US4486689 Emergency lighting apparatus and systems |
| 11/21/1984 | EP0125404A1 Circuit for monitoring a fault of a load which is switched by a controlled switch |
| 11/20/1984 | US4484295 Control circuit and method for varying the output of a waveform generator to gradually or rapidly vary a control signal from an initial value to a desired value |
| 11/20/1984 | US4484258 In a programmable system |
| 11/20/1984 | US4484190 System for load output level control |
| 10/09/1984 | CA1175948A1 Feedback control system for applying ac power to ballasted lamps |
| 10/09/1984 | CA1175885A1 Power saving regulated light emitting diode circuit |
| 10/03/1984 | EP0120507A1 Energy-saving switching device |
| 10/02/1984 | US4475067 Door lock illuminating device |
| 09/25/1984 | US4473779 Power factor measuring cut-off arrangement for and method of protecting a ballast-starter circuit from high pressure sodium lamp cycling malfunction |
| 08/14/1984 | CA1172743A1 Circuit for remotely operating an electromagnetic relay |
| 08/07/1984 | US4464605 Three terminal solid state pilot light |
| 07/31/1984 | CA1171900A1 Control system for illumination lamp installed in buildings equipped with door operation control apparatus |
| 07/25/1984 | EP0113744A1 Power graduation system with monoline distribution of the controls and energy. |
| 07/24/1984 | US4461977 Single zone lighting controller |
| 07/24/1984 | US4461974 For illuminating a light guide system |
| 07/17/1984 | US4460943 Azimuth and elevation control system |
| 07/10/1984 | CA1170751A2 Programmable energy load controller system and methods |
| 07/03/1984 | US4458179 Controller for lamp having more than one light source |
| 05/29/1984 | US4451822 Device for automatically checking a plurality of electric indicator lights |
| 05/29/1984 | US4451763 For an outdoor luminaire |
| 05/29/1984 | US4451762 Control circuit and system for providing emergency lighting |
| 05/15/1984 | US4449076 Light isolated pilot light |
| 05/15/1984 | US4449074 Excess light turn-off circuit |
| 05/15/1984 | US4449073 Runway approach lighting system with fault monitor |
| 05/09/1984 | EP0107862A1 Exposure amount control device for a copying machine |
| 05/08/1984 | CA1167095A1 Stage lighting control system |
| 04/25/1984 | EP0106200A1 Equipment for the automatic switching and control of room illumination |
| 04/25/1984 | EP0106119A1 Remotely operable switch |
| 04/18/1984 | EP0105697A1 Electrical timing control switch |
| 04/03/1984 | US4441143 Photo voltaic lighting for outdoor telephone booth |
| 03/27/1984 | US4439749 Electronic tuning block |
| 03/27/1984 | US4439688 Electrical control apparatus |
| 03/13/1984 | US4437169 Stage lighting control system |
| 02/22/1984 | EP0101147A2 Improvements in and relating to lighting apparatus |
| 02/21/1984 | US4433362 Remotely controllable illumination apparatus |
| 02/16/1984 | WO1984000663A1 Power graduation system with monoline distribution of the controls and energy |
| 02/14/1984 | US4431713 Method for adapting high voltage cells or batteries for lower volt rated applications |
| 02/01/1984 | EP0099807A1 Control circuit for stopping apparatuses, especially for lighting means |
| 01/18/1984 | EP0098521A1 Method and apparatus for automatic room light switching |
| 01/10/1984 | US4425628 Control module for engergy management system |
| 01/10/1984 | US4425601 Stairway lighting system |
| 01/10/1984 | US4425532 Circuit arrangement of a staircase lighting time switch |
| 11/29/1983 | US4418333 Appliance control system |
| 11/22/1983 | US4417182 Moving flutter illusion electric light controller |
| 11/16/1983 | EP0094166A1 Lighting control system |
| 11/15/1983 | CA1157127A1 Remote load selector |
| 11/09/1983 | EP0093408A1 Brightness control device |
| 11/01/1983 | CA1156308A1 Timed switch for an ac load |
| 10/05/1983 | EP0089984A1 Interference suppressing circuit for phase-controlled light dimmers. |
| 10/04/1983 | US4408250 Circuit for remotely operating an electromagnetic relay |
| 10/04/1983 | US4408185 Process for transferring information and system for carrying out the process |
| 10/04/1983 | CA1154824A1 Energy conserving electrical power control circuit |
| 08/24/1983 | EP0086528A1 A bias control circuit for light-emitting diode having temperature compensation |
| 08/09/1983 | US4398131 Device for controlling the variations in time of the power of a lighting installation in relation to a preset programme |
| 08/02/1983 | US4396872 Ballast circuit and method for optimizing the operation of high intensity discharge lamps in the growing of plants |
| 08/02/1983 | US4396871 Arrangement for digital brightness control of lamps |
| 08/02/1983 | US4396868 Lamp circuit with disconnected lamp detecting device |
| 08/02/1983 | US4396844 Method and apparatus for controlling distributed electrical loads |
| 07/05/1983 | US4392187 Computer controlled lighting system having automatically variable position, color, intensity and beam divergence |
| 07/05/1983 | CA1149490A1 Timer and power control system |
| 06/21/1983 | US4389632 Flasher unit with synchronization and daylight control |
| 06/21/1983 | US4389599 Light switch delay circuit |
| 06/14/1983 | US4388567 Remote lighting-control apparatus |
| 04/14/1983 | WO1983001363A1 Deparasiting circuit in a light intensity regulator operating according to the phase breakdown principle |
| 04/12/1983 | CA1144625A1 Underwater light assembly with low-water cut-off |
| 03/08/1983 | US4376253 Timed switch for an AC load |
| 02/22/1983 | US4375106 Remote control circuit |
| 02/09/1983 | EP0071366A1 Lamp drive circuit |
| 01/19/1983 | EP0069745A1 Control system for energy consuming installation |
| 01/18/1983 | US4369377 Current control device |
| 01/12/1983 | EP0069470A1 Appliance control system |
| 01/11/1983 | US4368408 Time controlled light dimmer |
| 01/04/1983 | US4367414 Method and apparatus for controlling distributed electrical loads |
| 12/28/1982 | US4366417 Suppression circuit for interference pulses in transformers with high leakage inductance |
| 12/21/1982 | US4365245 Display module for traveling pattern signs |
| 12/15/1982 | EP0067089A1 Lighting checking device with memory |
| 12/15/1982 | EP0067011A2 Control module for energy management system |
| 12/15/1982 | EP0067010A1 Methods for operation of programmable signal control circuits |
| 12/15/1982 | EP0066691A2 Lighting control system and method |
| 12/07/1982 | US4362970 Energy conserving electrical power control circuit |
| 11/23/1982 | US4360739 Wall switch opening mounted power circuit timer-controller |
| 11/23/1982 | CA1136215A1 Power supply and control circuit for series connected controller |
| 11/16/1982 | US4359669 Lamp modulating circuitry |
| 11/09/1982 | US4358715 Keyboard operated controller |
| 10/12/1982 | US4354120 Daily variability timer |