| Patents for H05B 39 - Circuit arrangements or apparatus for operating incandescent light sources and not adapted to a particular application (6,420) |
|---|
| 11/07/1991 | DE4014054A1 Remote controlled lighting system - uses remote-control signal for individual brightness control of each light source |
| 11/06/1991 | CN2088317U Moon-imitating lamp |
| 11/06/1991 | CN2088316U Lighting controller of ship signal light |
| 11/06/1991 | CN2088315U New-type switch of incandescent lamp for daily and failure illumination |
| 10/31/1991 | DE4013826A1 Brightness control with overvoltage protection of resonant circuit - is broken by heating of bimetallic switch when secondary unloaded operation of transformer is detected |
| 10/29/1991 | US5061997 Control of visible conditions in a spatial environment |
| 10/29/1991 | US5061879 Dual filament lamp control system |
| 10/23/1991 | EP0453006A1 Safety signalling system for communication paths |
| 10/23/1991 | EP0452716A2 Apparatus for continuous control of electric devices according to the phase chopping principle, especially light dimmer, and the use of such apparatus |
| 10/23/1991 | CN2087415U Power saving pendent lamp being able to change colour |
| 10/23/1991 | CN2087414U Infinitely variable light lamp with wireless remote-control switch |
| 10/17/1991 | DE4010596A1 Safety circuit for lighting - has action of door used to control activation of lighting circuit |
| 10/16/1991 | CN2086961U Energy-saving switch of lamp with timing delay control |
| 10/16/1991 | CN2086934U Ratchet-type adjustable switch |
| 10/09/1991 | CN2086494U Programmable colour-changing lamp |
| 10/09/1991 | CN2086493U Saving controller for public light lamp |
| 10/09/1991 | CN2086479U Sound control saving delay switch |
| 10/08/1991 | CA1290439C Cover and support plate arrangement for wall mounted devices |
| 10/08/1991 | CA1290385C Programmable light activated emergency marking system |
| 10/02/1991 | CN2086033U Automatic escape and numerical code bidirectional shift controller for coloured lamps |
| 10/01/1991 | US5053680 Switching device |
| 09/26/1991 | DE4009363A1 Incandescent lighting system with singly operable distributed sources - connected to common two=wire line with encoded IR-responsive circuits for gp. switching and dimming |
| 09/25/1991 | CN1054876A Energy-saving automatic switch for lamp |
| 09/22/1991 | CA2038699A1 Elevator call button/annunciator assembly and circuit |
| 09/18/1991 | CN2085132U Noncontact flasher of automobile |
| 09/18/1991 | CN2085131U Automatic lighting switch for corridor |
| 09/18/1991 | CN2085130U Multifunctional metachromatic colour lamp |
| 09/18/1991 | CN2085129U Automatic controllor for corridor lamp |
| 09/18/1991 | CN2085128U Universal lighting controllor |
| 09/18/1991 | CN2085115U Contact-type door bell and lamp switch |
| 09/11/1991 | CN2084703U Touch type automatic extinguishing lamp switch |
| 09/11/1991 | CN2084651U Multi-purpose power saving pull cord switch |
| 09/04/1991 | CN2084267U Desk lamp without blink |
| 09/03/1991 | US5045774 Full scale AC or DC power attenuator |
| 09/03/1991 | US5045758 Solid state regulated power supply for luminescent lamp |
| 08/28/1991 | CN2083827U Photo-controlled timing energy-saving switch for road lamp |
| 08/28/1991 | CN2083794U Incandescent lamp service life prolonging energy-saving device |
| 08/22/1991 | DE4005012A1 Low-voltage lamps alternate switching circuit - incorporates diode in series with lamp to be lit only during alternate periods of reversing switch |
| 08/21/1991 | CN2083385U Double-ended night-vision remote-sensing delay-action circuit breaker |
| 08/21/1991 | CN2083384U Power-saving device of civil light-regulating illumination |
| 08/21/1991 | CN2083383U Four-level light regulator controlled by power supply switches |
| 08/21/1991 | CN2083241U Multi-functional touch induction desk lamp |
| 08/20/1991 | US5040964 Apparatus for polymerization of plastic dental material |
| 08/14/1991 | CN2082945U Miniature photosensitive sound control lamp |
| 08/14/1991 | CN2082944U Double saving swtich for lamp |
| 08/14/1991 | CN2082943U Electronic energy-saving swtich |
| 08/14/1991 | CN2082942U Adjustable colour and adjustable brightness lamp |
| 08/14/1991 | CN2082941U Electronic dimmer for motor vehicle |
| 08/14/1991 | CN2082923U Touch type time-delay switch with double lead wire |
| 08/14/1991 | CN2082810U Long-life high-altitude obstacle lamp |
| 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 |
| 08/07/1991 | CN2082504U Delay automatic cut-off switch for lamp |
| 08/07/1991 | CN2082503U Safe equipment of short circuit of miner's lamp |
| 08/07/1991 | CN2082459U Economizer type pullswitch for lamp |
| 08/06/1991 | US5038081 Reverse phase-controlled dimmer |
| 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 |
| 07/30/1991 | US5036253 Inverter power supply for incandescent lamp |
| 07/24/1991 | CN2081623U Improved touching stepless adjusting table lamp |
| 07/16/1991 | US5032961 Ground light system for a landing strip |
| 07/16/1991 | US5032766 Special effects generator |
| 07/11/1991 | DE3943272A1 HF push=pull oscillator in half-bridge circuit - has junction point of capacitor and resistor or RC element coupled to switching path |
| 07/10/1991 | CN2080729U Electronic time delay self-interrupting switch |
| 07/09/1991 | US5030890 Two terminal incandescent lamp controller |
| 07/03/1991 | EP0435224A2 Remote supervisory and controlling system performing dimming control of light loads |
| 07/03/1991 | CN2080284U Touch type light-adjusting switch with display |
| 07/03/1991 | CN2080267U Sound control delay switch pulling line box |
| 06/27/1991 | WO1991009459A1 Display board provided with a regulated power supply |
| 06/26/1991 | CN2079844U Energy saving switch capable of manual turning off in delay period |
| 06/26/1991 | CN2079843U Lighting delay switch |
| 06/26/1991 | CN2079835U Touch delay switch with flash indicating |
| 06/25/1991 | US5027052 Circuit arrangement for generating a pulsatory supply voltage for a load from a direct voltage |
| 06/25/1991 | US5027031 Truck trailer lighting control circuit |
| 06/19/1991 | EP0432847A2 Bilevel current limiter |
| 06/19/1991 | EP0432625A1 Main-standby filament switch for AC driven two-filament lamps in traffic signalling devices |
| 06/19/1991 | EP0432624A1 Main-standby filament switch for AC driven two-filament lamps in traffic signalling devices |
| 06/19/1991 | EP0432623A1 Failure detection circuit for multifilament lamps in signalling devices |
| 06/19/1991 | EP0432459A2 Switch-on current limiter |
| 06/19/1991 | CN2079400U 微波自动开关 Microwave automatic switch |
| 06/16/1991 | CA2032043A1 Bilevel current limiter |
| 06/12/1991 | CN2078955U Multi-functional sound-control lamp |
| 06/05/1991 | CN2078514U Automatic power-off switch for corridor lamp |
| 06/05/1991 | CN2078513U Sound-controlled short duration d.c. supplementary lighting lamp |
| 05/29/1991 | CN2078067U Lamp light controller with microcomputer |
| 05/29/1991 | CN2078066U Flash lamp for vehicle |
| 05/22/1991 | CN1051655A Fluorescent lamp and electric incandescent lamp combined device |
| 05/21/1991 | US5017838 Electronic incandescent lighting product |
| 05/15/1991 | EP0427709A2 Power control circuit |
| 05/15/1991 | CN2077179U Multi-functional automatic illumination switch |
| 05/15/1991 | CN2077178U Multi-functional electronic illusion colour lamp |
| 05/14/1991 | US5015924 Pupillary efficient lighting system |
| 05/14/1991 | US5015921 Soft start solid state switch |
| 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) |
| 05/02/1991 | WO1991006078A1 Battery-powered flashing superluminescent light emitting diode safety warning light |
| 05/02/1991 | WO1991006047A1 Reverse phase control switching circuit and method without zero crossing detection |
| 05/01/1991 | CN2076290U 音乐节日灯 Music Festival of Lights |
| 05/01/1991 | CN2076289U Multifunction electronic lamp |
| 05/01/1991 | CN2076288U Electronic sound-controlled bed-side lamp |