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Patent Searching and Data


Matches 601 - 650 out of 2,637

Document Document Title
WO/1989/012950A1
Procedure and apparatus for the control of electric power, by which procedure the electric power supplied to a load is regulated by means of a regulator, e.g. a thyristor regulator. The regulator control signals, e.g. thyristor firing pu...  
WO/1989/011175A1
A variator circuit comprises a triac (4) mounted in series with a load (1) to be controlled, and a CTR variable series phase-shifter circuit (8, 9, 10). The point (11) midway between the resistive element (8, 9) and the capacitive elemen...  
WO/1989/006448A1
A mounting assembly for a light bulb includes a soft start-up circuit as well as a DC-to-AC converter in order to prolong bulb life. In addition, the mounting assembly includes a removable socket to facilitate changing the bulb. When the...  
WO/1989/005562A1
The invention concerns an illumination control system for controlling a plurality of lighting circuits. A control center (1) of the system comprises several outputs in parallel configuration, the outputs are provided with voltage control...  
WO/1989/004110A1
A circuit arrangement is useful for controlling the brightness of a lamp (L) connected to a mains alternating voltage (N) by means of a sensor (SE) arranged on the lamp. The mains alternating voltage (N) is rectified by a rectifier (GL) ...  
WO/1989/003080A1
A sensor device for controlling machines, in particular sewing machines, comprises a light barrier with a light emitter and a light receiver. The light emitter is an incandescent lamp supplied by an energy source. An evaluation stage of ...  
WO/1988/007291A1
Current flow through a load, for example a lamp, is controlled by touching a third party body comprising a plant bedded in damp soil. The third party body is insulated from earth but electrically coupled to a control point of control cir...  
WO/1988/004875A1
An improved dimming apparatus adapted for use in distributed dimming systems, in which dimmer enclosures each containing at least one semiconductor power controlling means are located in a plurality of spaced apart locations, each such e...  
WO/1988/004516A1
A long-life incandescent lamp and a socket insert for use with conventional lamps to provide long life. The lamp (10) includes a sealed glass envelope (12), a base (14) fixedly attached to the glass envelope, a center contact (24) fixedl...  
WO/1988/004517A1
A programmable lighting circuit controller for controlling a plurality of houshold lighting circuits includes a microprocessor (47) and an electronically erasable programmable read only memory (44) for programming the household lighting ...  
WO/1988/001125A1
An electric switching device, especially for vehicle illumination, includes a first consumer (9) of electric current, a second consumer (8) of electric current, a first electrical circuit and second electrical circuit. The first electric...  
WO/1987/005744A1
A cover and support plate arrangement for a wall mounted device, such as a wall switch, display, dimmer, etc., for mounting to a wall box embedded in the wall and having overall surface dimensions greater than that of the wall box. The c...  
WO/1987/004890A1
Electronic lamp control circuit for connection betwen a lamp bulb (10) and a wall receptacle (12) controlled by a wall switch (14). The lamp control circuit (18) includes switching circuitry which permits complete control of the lamp (10...  
WO/1986/005351A1
A device for control of lighting fixtures, especially in indoor lighting systems intended for installation over the area to be illuminated. A light detector (16) is connected to an electronic circuit (27-29) for control of this. A shield...  
WO/1986/002606A1
A means for switching the headlights on vehicles such as automobiles between full beam and half beam. When the light is switched from half to full beam the half beam disappears. The present invention enables the half beam to remain even ...  
WO/1986/001365A1
Apparatus for variably controlling the average power from an AC source (401) supplied to a lamp load (499) comprising a semiconductor power controlling device (419) coupled between the AC source (401) and load (499), the power controllin...  
WO/1986/001355A1
A touch to activate two terminal A.C. switch (10) which comprises a gate controlled semiconductor switch (12) and a controlling switch (11) associated with a controlling circuit (15) connected between the gate (14) and an electrode of th...  
WO/1985/004546A1
An energy-efficient incandescent lamp has a transparent heat mirror coating (4) placed on the envelope (2). A diode (30) is connected in series with the filament (6). This reduces the voltage across the filament and increases the current...  
WO/1985/000264A1
Device enabling to induce sleep by creating a luminous atmosphere comparable to the sunset reactivable by sounds responding to criteria which justify said reactivation such as the tears and cries of a child. It is intended to be associat...  
WO/1984/004073A1
A flasher unit for bouys, beacons and the like for flashing an incandescent lamp (24) in a required sequence of short and long flashes having short or long eclipses between flashes. A counter (40) is provided having a number of counts eq...  
WO/1984/004222A1
A voltage regulator and switching circuit for a flash lamp control unit. A silicon transistor (92) is used to switch on an incandescent lamp (24) and to regulate the voltage across the lamp. A driver transistor (94) is connected to the s...  
WO/1984/004018A1
A device for producing a gradual change in power supplied to a load or plurality of loads which utilizes at least one gated solid state switching device (15). Dimmer switches are well known in the art but these switches are manually oper...  
WO/1984/000463A1
Protection device for electrical incandescent lamps provided with elements which upon switching on electric voltage limit the current strength during a switching-on interval. The device further includes a control unit with a controllable...  
WO/1983/001363A1
For the deparasiting of circuits for regulating the voltage and operating according to the phase breakdown principle, there is included a coil in series with the semiconductor regulating element (T). The circuit comprised by the semicond...  
WO/1982/001974A1
A light dimming system for simultaneously controlling the brightness of a plurality of two-terminal indicating lights (14), each having one terminal connected to receive a constant voltage relative to ground. The system includes a single...  
WO/1981/003596A1
A lighting feedback control system for applying AC power to at least one lamp, which includes a conduction angle controlled phase switching circuit (20) connected in series with the lamp (18) and an AC power source (12) for switching pow...  
WO/1979/000087A1
A touch control switch suitable for connection between a lamp load and a supply circuit in a lighting installation for alternating current and comprising a semiconductor switching element with a gate electrode, a counting circuit with a ...  
JP6542779B2  
JP6395792B2  
JP6388612B2  
JP2017505887A
The present invention contains two concentric primary shafts (7, 8) connected to the secondary line (5) connected to the wheel of a thermomotor (2), an electric motor (3), and vehicles, respectively, It is related with the gearbox provid...  
JP2016077155A
To provide power to one or a plurality of inductively powered devices.An inductive power supply system includes a mechanism for varying physical distance or each orientation between a primary coil and a secondary coil to control the amou...  
JP5630776B2  
JP5545082B2  
JP5540480B2  
JP5520726B2  
JP5493245B2  
JP5446142B2  
JP5401833B2  
JP5362484B2
To provide a load control device capable of precisely controlling opening and closing timing and reducing power consumption while reducing the number of switching elements. In a control part 13, when a voltage detecting part 18 detects t...  
JP5345757B2
A controlling device for controlling lighting parameters is connected to a number of lamps and includes a controlling member which is placed on a contact surface by a user. Lighting parameters of each lamp are determined based on the pos...  
JP5322085B2
The invention relates to a lighting device ( 1 ) comprising a lighting unit ( 2 ) and a user interface ( 3 ) for controlling the lighting colour and/or intensity of the lighting unit ( 2 ). The user interface ( 3 ) comprises a sensing de...  
JP5314413B2
To provide a load control device for correctly controlling an opening/closing timing, while reducing the number of switching elements. After receiving a charging completion signal of a buffer capacitor 29 from a voltage detecting part 18...  
JP5279684B2
To provide a technique for easily specifying the fault place of an LED driving circuit. The LED driving circuit has a matrix type configuration where a plurality of LEDs are connected laterally and longitudinally in a lattice shape, and ...  
JP5280931B2
A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connect...  
JP5229505B2  
JP2013085467A
To provide power to one or more inductively powered apparatuses.An inductive power supply system includes a mechanism for varying the physical distance or each orientation between a primary coil and a secondary coil to control the amount...  
JP5108067B2
A lamp assembly configured to inductively receive power from a primary coil. The lamp assembly includes a lamp circuit including a secondary and a lamp connected in series. In a first aspect, the lamp circuit includes a capacitor connect...  
JP5041945B2  
JP2012181934A
To achieve an illumination system capable of detecting a zero cross of an AC voltage with accuracy and performing dimming by stable phase control based on an obtained zero-cross signal.A zero-cross detector 14 detects a zero cross of a l...  

Matches 601 - 650 out of 2,637