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Patent Searching and Data


Matches 501 - 550 out of 2,089

Document Document Title
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 ...  
JP2023142412A
To provide a light irradiation device that can stably irradiate with illumination light having a desired wavelength in a desired amount of light.A light irradiation device 70 installed in an observation device for observing a semiconduct...  
JP2023130831A
To allow a master unit to perform optical wireless communication with a slave unit that is moving underwater without changing the posture of the master unit.A light emitting device 2 has a light source 21 having a plurality of light emit...  
JP7219460B2
To make it easy to recognize a visual object including a character.An illumination device previously stores a clear vision model in which at least part of relation between easiness of recognition of a visual object including a character ...  
JP7096728B2
To provide a lighting system capable of preventing a person under the light from experiencing inconvenience by sudden light-out or lighting when a light is turned off or turned on.The lighting system includes: a control information acqui...  
JP7006866B2
To provide an LED drive circuit that automatically performs switching between serial/parallel connection of two LED groups depending on input voltage and makes it possible to visually and easily confirm abnormality such as non-lighting o...  
JP6725558B2
To provide a light-emitting module capable of independently controlling ultraviolet ray and visible ray although conventionally the rays cannot be controlled independently.A light-emitting module 100 switches between ultraviolet ray and ...  
JP6542779B2
The invention relates to a transmission for a motor vehicle with hybrid propulsion comprising a heat engine (2) and an electric motor (3), including two concentric primary shafts (7, 8) respectively connected to the heat engine (2) and t...  
JP6395792B2
To detect, at an early stage, the deterioration state of an incandescent lamp.An incandescent lamp deterioration diagnosis device (10) comprises: a light reception part (11) which receives light emitted from an incandescent lamp (100) th...  
JP6388612B2
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil ...  
JP5630776B2
To provide a drive controller maintaining a desired control operation irrespective of differences of frequencies or their fluctuation of power supply voltages. A driving part 2 ON/OFF controlling conduction of electricity to light-emitti...  
JP5545082B2
To provide a lamp drive unit capable of reducing loss of a switching of a semiconductor element during a period in which inrush current flows into a lamp for a vehicle.A PWM signal output unit 4 makes an AND gate 9 side of an output logi...  
JP5540480B2
To provide an in-vehicle lamp control device capable of reducing a weight and man-hour for design, dealing with variations in respective lamps, and equalizing the degree of the brightness of the lamps. The in-vehicle lamp control device ...  
JP5520726B2
An inductive power supply system for providing power to one or more inductively powered devices. The system includes a mechanism for varying the physical distance or the respective orientation between the primary coil and secondary coil ...  
JP5493245B2
Apparatus for supplying energy to a load, comprises a power supply unit (102) e.g. a switched mode electronic transformer or electronic ballast having an input for receiving current at mains frequency and a means for stepping-up said mai...  
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
A controllable light bulb comprises an electrical connector, a receiver module, an electronic switch, a translucent casing, and a light producing element. The electrical connector receives a power signal. The receiver module is powered b...  
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...  

Matches 501 - 550 out of 2,089