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JP2001143880A |
To provide a light control lighting device having a low color- temperature change on controlling light of an incandescent electric lamp lighting fixture. The starting time of a light control is not overlapped in each of filaments 9, 10 a...
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JP2001126882A |
To provide a dimmer that can prevent increase of the number of types of dimmers due to different load capacities and different specifications of operating parts, and also reduce heat generation in the operating part. It comprises an oper...
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JP2001505707A |
A power distribution system to distribute electric power having a source of alternating current of a frequency of 10 kHz or greater, a distribution line connected to the source, and at least one load. The distribution line has two substa...
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JP2001110578A |
To provide a light adjusting apparatus to control the brightness to equalize or nearly equalize at least two illuminating devices. The transistor TR2 supplies current to the light adjusting lamp 2 and light it on by the output of referen...
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JP2001505358A |
An incandescent lamp with a low voltage burner (BM) and integrated voltage conversion means (VCM) having switching elements (Q1, Q2) driven by a separate control circuit (CC) comprising an integrated circuit (IC). The voltage conversion ...
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JP2001076507A |
To provide a multi-lamp luminaire using small-sized decorative electric bulbs and allowing other decorative electric bulbs to be continuously lighted thus preventing the turning-off of all decorative electric bulbs of a series lighting c...
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JP2001069667A |
To provide a lamp lighting drive device for a vehicle at a low cost, by which the generation of a rush current generating deterioration in a lamp driven by a battery power supply at a fixed voltage is reduced and which has a low power co...
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JP3138281B2 |
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JP3135608B2 |
PURPOSE: To provide a low noise type phase controller in which a gentle waveform can be obtained at the time of the rising of the start of energizing in each semi-cycle of an alternating waveform, and a noise can be effectively reduced. ...
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JP2001502158A |
A circuit for complementing the AC mains supply voltage, particularly for resistive loads, comprising means (3) inserted between an AC power source and a resistive load (8) and adapted to prevent the reverse flow of a processed portion o...
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JP2001006884A |
To provide an excellent antiphase control dimming system capable of reducing a surge voltage when a switch element may possibly be broken by determining whether or not the switch element may be broken by the surge voltage generated at a ...
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JP2001008443A |
To reduce power consumption in a current drive circuit which drives a current drive element by supplying a current to the element from a power source, when the circuit drives the element.A current drive circuit is provided with an LED 2,...
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JP3120444B2 |
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JP3117814B2 |
PURPOSE: To miniaturize a power supply section by using light emitting diodes as a solar cell through the use of its photoelectric conversion characteristic, storing in a secondary cell the power generated by the light emitting diodes du...
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JP2000348878A |
To provide an incandescent bulb lighting device without shortening a contact life even a contact capacity for blinking the incandescent bulb is reduced.In this device, a timer circuit 3 is placed in parallel in a relay 2 operated by oper...
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JP2000340373A |
To provide a lighting system capable of reducing stress to be applied to a switching element, re-operating without replacing a component, making a size small, at a low price.This lighting system consists of a closed circuit comprising an...
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JP2000340371A |
To provide an opposite phase control dimmer with high performance capable of reducing surge voltage applied to a switching element, and realizing a size smaller and a price lower than the conventional opposite phase control dimmer.This o...
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JP2000311789A |
To control the brightness of a lamp in response to circumferential brightness, with simple constitution. An analog signal is output at a level in response to circumferential brightness from a controlling sensor 10, the signal is converte...
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JP3103705B2 |
PURPOSE: To distinguish, at the time of starting, the operating condition as steady state from under starting and stabilize the operation by furnishing a thyristor in parallel with a control element, and giving a command of specific cycl...
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JP2000286078A |
To provide a lamp lighting device and lighting system that prevent a discharge between filament resistances. This lamp lighting device 1 comprises a rectifying device 2 for rectifying a commercial AC voltage, a chopper circuit 3 connecte...
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JP2000285870A |
To provide a microwave incandescent lamp device having a long life excellent in light emitting efficiency. This microwave incandescent lamp device comprises a magnetron 5 for generating a microwave, a waveguide tube 6 being a transmissio...
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JP2000243583A |
To provide a lighting device capable of quickly start up light output of a lamp, protecting a circuit element from excessive current, and reducing the cost, and provide an electric apparatus. The lighting device 1 has a DC power source 2...
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JP3071265U |
A frequency sensing control device controls current flow through an electrical load and includes a current control circuit to be connected to the electrical load, a logic signal generator having an input port and an output port connected...
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JP3080620B1 |
To provide a lighting device which is enabled to light a lamp of an incandescent bulb or the like in high luminance by a battery to be amounted on a vehicle. A lighting source lighting device 10 includes: an inverter 11 for converting a ...
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JP3079477B2 |
A wall-mountable system for controlling electrical power to a load includes a switch and a dimmer, with the switch actuator being substantially larger than the dimmer actuator. Preferably, the switch is a short-throw, light-force switch ...
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JP3075805B2 |
PURPOSE:To reduce the number of control circuits, and to reduce cost by dividing one unit into several blocks comprising a plurality of lamps, and by arranging a control circuit for each block. CONSTITUTION:Bulbs 11-19 of a lighting circ...
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JP3075804B2 |
PURPOSE:To hold a lighting circuit itself at unlighting generation by connecting a switch circuit consisting of a turn-on circuit and a thyristor circuit in parallel to each of series incandescent lamps. CONSTITUTION:When, of series inca...
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JP2000223284A |
To prevent the increase of a surge voltage from occurring due to multiple connection of phase control light modulation devices by shifting the off-timing of each of the phase control light modulation devices when a lot of the devices are...
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JP2000223285A |
To miniaturize a current detection circuit and a protection circuit for overcurrent protection by allowing a rush current to flow only in one direction until a filament of an incandescent lamp is sufficiently heated since it is turned on...
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JP2000223286A |
To miniaturize an element and a device by reducing the peak value of a rush current and by lowering the required current rating of a switch element. This device is so structured that a phase control operation is performed to a semiconduc...
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JP2000215990A |
To stably measure without being influenced by an external change, such as temperature, the lapse of time, or the like, in a measuring instrument using an incandescent lamp as a light source and measuring by detecting a light intensity fr...
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JP3064219B2 |
PURPOSE: To prevent to hurt a control element, to expedite the starting, and to prevent the excessive emission of a load lamp, by providing a current detector, a comparator, and a control device, to a lighting system. CONSTITUTION: When ...
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JP3064217B2 |
PURPOSE: To prevent the breakage of a self-arc extinguishing type control element due to rush current at the time of startup, and ensure a stable startup operation inexpensively by providing a lighting system with a thyrister and a curre...
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JP3064131B2 |
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JP2000173786A |
To prolong service life so as to reduce the frequency of replacement by providing a lighting automatic switching apparatus which is electrically connected to a circuit terminal of a heat radiation type lighting fixture and carrying a cur...
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JP3049529B2 |
PURPOSE: To equalize specifications of a dimmer, and set it applicable to a capacity of a lighting load by providing a time sharing change control part to actuate the dimmers cyclicly in order for every half cycle of an AC power supplied...
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JP2000506670A |
A remotely controllable and programmable power control unit for controlling and programming the state and power level, including special functions, of one or more electrical devices. The electrical device can be an electric lamp. The sys...
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JP2604675Y2 |
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JP2000505932A |
A method of calibrating a dimmable lighting system having an electric lighting fixture and light sensor in an electronic controller. The method comprises a system which makes eight measurements while controlling illumination levels from ...
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JP3032699B2 |
PURPOSE: To change a dimming factor in a wide range with a dead band eliminated, by generating a trigger signal in arbitrary timing by a period half the commercial frequency. CONSTITUTION: In a trigger position arithmetic circuit 10, a p...
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JP3033782B2 |
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JP2000106288A |
To provide a MOSFET antiphase control dimmer capable of increasing the load rating of equipment through limiting of a rush current.An antiphase control dimmer, having a built-in MOSFET part 1 with two MOSFETs connected in series with an ...
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JP2000106287A |
To provide a MOSFET antiphase control dimmer capable of increasing the load rating of equipment through limitng of rush current.A phase control dimmer, having a built-in MOSFET part 1 with two MOSFET parts connected in series with an AC ...
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JP3029728B2 |
PURPOSE: To prevent generation of a beat by forming of voltage control means, a current detector of a secondary winding of a transformer, a voltage converter of its detected current value, and a state controller of a third switch element...
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JP2000504147A |
The present invention provides a control apparatus (11) for controlling luminescence produced by a light source (12) which includes a sensor (17) for sensing motion of air and a circuit (3) for varying the luminescence provided by the li...
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JP3026621B2 |
PURPOSE:To operate an electric lamp so as to provide a comfortable brightness from a human activity to sleep. CONSTITUTION:A variable resistor VR1 and the contact ry2 of a relay Ry2 are connected in series to an electric lamp 4. The cont...
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JP2000068075A |
To provide a dimmer having reduced dispersion in dimming characteristic. A diode bridge DB, which is a full-wave rectifier for full-wave rectifying an alternator Vs, is connected between main terminals of a TRIAC TRC. A time constant cir...
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JP2000048971A |
To prolong the life of a resistance filament by changing the power factor of an AC circuit in response to the aged change of the resistance of the resistance filament of an electric lamp capable of being selectively connected in series t...
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JP3065502U |
A trickle power supply for a light switch module according to the invention enables power to an electronic circuit to be taken directly off the hot line. The power supply operates under what is referred to as the "switched leg theory". A...
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JP2000030876A |
To lengthen actual life and to reduce the frequency of replacement by installing two sets of independent filaments and two sets of circuit terminals connected to the filaments, and lighting another filament when the current use filament ...
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