Patents
Sitemap › H05 - Electric techniques not otherwise provided for › H05B - Electric heating; Electric lighting not otherwise provided for › H05B 39 - Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application
Patents for H05B 39 - Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application (6,420)
01/1986
01/28/1986US4567425 Method of and apparatus for half-cycle-average or R.M.S. load voltage control
01/07/1986US4563592 Wall box dimmer switch with plural remote control switches
12/1985
12/27/1985EP0165701A1 Load supply circuit and lamp module
12/20/1985CN85200466U Wall switch for prelonging lamp's service time and saving energy
12/20/1985CN85200465U Bed-side sitch for prelonging lamp's service time and saving energy
12/11/1985EP0163969A1 Circuit device for controlling the power of a DC operated load, especially for instrument illumination of a vehicle
12/10/1985US4558403 Ornamental harness with lighting effects
12/10/1985US4558261 Exclusive plug for artistic table lamps
12/10/1985CA1197899A1 Controller for lamp having more than one light source
12/03/1985US4556824 Light-adjustment and switch structure for artistic table lamps
11/1985
11/26/1985US4555741 Device for eliminating inrush-current
11/12/1985US4552868 14-Amino steroid derivatives, a process for the preparation thereof and method of use thereof
11/07/1985EP0142492A4 Flasher unit with synchronization and daylight control.
10/1985
10/22/1985US4549116 Electric energy saving two-position combination switching device
10/22/1985US4549115 Heat-sensitive variable-resistance light socket insert with resilient contact
10/15/1985CA1195374A1 Phase controlled regulated power supply
10/10/1985WO1985004546A1 Energy efficient incandescent lamp with improved filament characteristics
10/08/1985US4546290 Ballast circuits for discharge lamp
09/1985
09/10/1985US4540984 Energy saving control circuit for a light switch and a method therefor
09/10/1985CN85200535U Long life and energy saving cord switch for electic bulb
09/03/1985US4538973 Remotely controlled ceiling fan and light circuit
08/1985
08/27/1985US4538218 Skylight sensor and control system
07/1985
07/30/1985EP0147386A4 Regulator and switching circuit for flasher units.
07/10/1985EP0147386A1 Regulator and switching circuit for flasher units
07/02/1985US4527216 Sub-milliamp mechanical relay control
07/02/1985US4527095 Lamp circuit apparatus
06/1985
06/19/1985EP0144415A1 Device for creating a variable luminous atmosphere
06/11/1985US4523132 Centrally controlled lighting installation having a plurality of individually switched light points central switch elements and individual light switches therefor
06/04/1985US4521843 Programmable wall switch for controlling lighting times and loads
05/1985
05/29/1985EP0142492A1 Flasher unit with synchronization and daylight control.
05/21/1985CA1187546A1 Time responsive variable voltage power supply
05/14/1985US4517499 Flexible light
05/08/1985EP0139641A1 Device for automatic control of power to an electrical load and circuits therefor
05/07/1985US4516055 Electronic display dimming circuit
05/07/1985US4516054 Lamp protection arrangement
03/1985
03/19/1985US4506318 Inverter with controllable RMS output voltage magnitude
03/12/1985US4504820 Flasher unit
03/12/1985US4504778 Self-powered, self-regulated, electronic ac control system
03/05/1985US4503365 Power supply system for low cold resistance loads
02/1985
02/19/1985US4500814 Lighting circuit control apparatus
02/19/1985US4500813 Lighting system
02/12/1985US4499525 Constant illumination flashlight
01/1985
01/23/1985EP0131695A1 Electrical circuit for controlling a direct current, in particular for a variable luminosity car instrument panel illumination system
01/22/1985US4495444 Vehicle lighting system
01/17/1985WO1985000264A1 Device for creating a variable luminous atmosphere
01/08/1985US4492896 Electronic candle system
01/02/1985CA1180214A Adjustable light collector and sampler therefor
12/1984
12/25/1984US4490625 Dimmer control switch assembly for lamps and the like
11/1984
11/14/1984EP0124864A1 Power control apparatus with optical isolation feedback means
10/1984
10/25/1984WO1984004222A1 Regulator and switching circuit for flasher units
10/25/1984WO1984004073A1 Flasher unit with synchronization and daylight control
10/24/1984EP0122714A1 Dim-dip headlight circuit
10/24/1984EP0122370A1 Control circuit for a bistable relay
10/23/1984US4478468 Line-gated switching power supply
10/17/1984EP0121520A1 Protection device for electrical incandescent lamps
10/11/1984WO1984004018A1 Device for automatic control of power to an electrical load and circuits therefor
10/09/1984CA1175948A1 Feedback control system for applying ac power to ballasted lamps
07/1984
07/24/1984US4461973 Energy-efficient incandescent lamp with improved filament characteristics
07/03/1984US4458179 Controller for lamp having more than one light source
05/1984
05/22/1984US4450384 DC Light dimmer control system
05/09/1984EP0107856A1 Lamp control circuit
05/08/1984US4447765 Power supply for low voltage incandescent lamp
05/08/1984US4447764 Power supply for low-voltage incandescent lamp and like load
04/1984
04/25/1984EP0106672A1 System for scanning information from moving objects employing automatic light control
03/1984
03/28/1984EP0103997A2 A.C. power control system
03/20/1984US4438344 Switched rectifier disc for Edison sockets
03/06/1984US4435671 Device for prolonging the life of an incandescent lamp
02/1984
02/02/1984WO1984000463A1 Protection device for electrical incandescent lamps
01/1984
01/10/1984US4425532 Circuit arrangement of a staircase lighting time switch
12/1983
12/27/1983US4423478 Phase controlled regulated power supply
12/20/1983US4422018 Automatic lighting disconnect timer incorporating an acoustic abort switch
12/20/1983US4421993 Load resistance control circuitry
11/1983
11/22/1983US4417183 Incandescent lamp driver circuit
11/22/1983US4417177 Lamp control device
11/09/1983EP0093408A1 Brightness control device
10/1983
10/18/1983US4410835 Utility emergency lamp and solid state switching and battery charging circuit therefor
10/05/1983EP0089984A1 Interference suppressing circuit for phase-controlled light dimmers.
09/1983
09/27/1983CA1154414A1 Lamp assembly with switch and focussing mechanisms
08/1983
08/23/1983US4400651 Method and circuit for operating an incandescent lamp
08/09/1983US4398131 Device for controlling the variations in time of the power of a lighting installation in relation to a preset programme
08/02/1983US4396871 Arrangement for digital brightness control of lamps
07/1983
07/26/1983US4395661 Time-variable control for lamp intensity
06/1983
06/28/1983US4390812 Regulator and switching circuit for flasher units
06/21/1983US4389632 Flasher unit with synchronization and daylight control
06/21/1983US4389598 Disco light assembly
06/07/1983CA1147694A1 Separating and oxidizing hydrogen isotopes from gas mixture followed by electrolysis
05/1983
05/10/1983US4383288 Adjustable light collector and sampler therefor
05/03/1983US4382209 Thermal switch and dual filament long life lamp
04/1983
04/19/1983US4380718 Trailer marker light substitution circuit
04/14/1983WO1983001363A1 Deparasiting circuit in a light intensity regulator operating according to the phase breakdown principle
04/12/1983CA1144625A1 Underwater light assembly with low-water cut-off
04/05/1983US4379237 Light intensity control device and circuit therefor
02/1983
02/23/1983EP0072622A2 Energy conservation system providing current control
02/16/1983EP0071768A1 Lamp protection arrangement and junction socket therefor
02/09/1983EP0071366A1 Lamp drive circuit
01/1983
01/26/1983EP0070664A1 Phase controlled regulated power supply circuit
01/25/1983CA1140202A1 Combination flood, spot and flasher lamp unit
01/11/1983US4368408 Time controlled light dimmer
01/11/1983US4368406 Lamp dimmer control with integral ambient sensor
12/1982
12/21/1982US4365169 Random pulse detector system
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