| Document |
Document Title |
|
WO/2006/106446A2 |
The lamp life of a gas discharge lamp (6) depends inter alia on the deterioration of an electrode of the lamp during operation. The deterioration depends on an operating temperature of the electrode. A method according to the present inv...
|
|
WO/2006/107305A1 |
An apparatus and methods for balancing current in multiple negative impedance gas discharge lamp loads. Embodiments advantageously include balancing transformer configurations that are relatively cost-effective, reliable, and efficient. ...
|
|
WO/2006/103600A1 |
In a lighting unit for operating lamps (LAl, LA2) of a different color temperature, a number of predetermined color points can be adjusted. The color points are chosen so that the color difference calculated in the CIELAB space is the sa...
|
|
WO/2006/104194A1 |
A discharging device capable of realizing a proper PWM drive by accurately reflecting, as a strobe device, the secondary-side condition of a separately-excited strobe charging circuit being charged. A charging device which charges a main...
|
|
WO/2006/104195A1 |
There is provided a charging device capable of improving charging efficiency and reducing power consumption, thereby increasing a battery service life. The charging device charges a main capacitor (2) by rectifying output voltage boosted...
|
|
WO/2006/104797A1 |
A lamp ballast starting circuit and method for a gas discharge lamp is disclosed. The ballast starting circuit includes the inputs of the starting circuit connected to an inverter circuit, the starting circuit generating a pulse at the l...
|
|
WO/2006/105075A2 |
A light source module (12, 200) includes a lamp assembly (205, 400, 500, 600) having an integrated reflector (220, 405) and heat sink, the lamp assembly (205, 400, 500, 600) having a pressurized gas contained therein, an anode (210, 415)...
|
|
WO/2006/101189A1 |
A compact self-ballasted fluorescent lamp (11) capable of providing a roughly same appearance as that of general lighting bulbs by efficiently storing a lighting device (17) on the inside of a ferrule (12) to reduce the size of a cover (...
|
|
WO/2006/102355A2 |
This invention presents a single-stage power converter for driving many number of Light-Emitting-Diode (LED). The power converter converts an AC input voltage into DC current source and regulates the current flowing into the LED. In addi...
|
|
WO/2006/100661A1 |
An igniter circuit (10) for an HID lamp (11) has a DC input (VBUS) for coupling to a source of DC voltage, and an output (23, 24) for coupling to the HID lamp. A resonant ignition circuit (12) operating at a controlled resonant frequency...
|
|
WO/2006/096638A2 |
An electronic ballast for driving a high intensity discharge (HID) lamp is provided. The electronic ballast includes a voltage boost stage for receiving a DC input voltage and outputting a boosted DC output voltage with a controlled curr...
|
|
WO/2006/093216A1 |
Discoloration and deformation of a resin case due to heat generation from a failed circuit component at the end of the life of an arc tube are prevented without increasing the cost and size. An operation unit for operating a light source...
|
|
WO/2006/092130A1 |
The aim of the invention is to provide a higher level of fail-safety in an ignition circuit for gas discharge lamps. To this end, an ignition circuit (1) is used to ignite a gas discharge lamp (10), especially a high-pressure gas dischar...
|
|
WO/2006/093215A1 |
A lighting unit and a discharge lamp in which the function of a circuit can be stopped in safety without increasing the cost by damaging a capacitor with heat generated from a heat generating component. A bulb type fluorescent lamp conta...
|
|
WO/2006/089506A1 |
Disclosed is a starter for AC-fed low-pressure discharge lamps that are operated on a series inductor. Said starter comprises a glow fuse, a high-temperature conductor (NTC resistor) that is serially connected to the glow fuse, and a res...
|
|
WO/2006/090316A1 |
A light source comprises a discharge lamp (LA), a bridge circuit for driving the discharge lamp and a reflector (RE). The bridge circuit comprises a capacitor (Cl) coupled between a lamp connection terminal (T3, T4) and an input terminal...
|
|
WO/2006/090518A1 |
An interruption circuit of an external electrode fluorescent lamp driving power supply comprising a detecting section for detecting the variation rate of a voltage supplied to an external electrode fluorescent lamp from the external elec...
|
|
WO/2006/091398A2 |
A manufacturing process for storing measured light output internal to an individual LED assembly, and an LED assembly (100) realized by the process. The process utilizes a manufacturing test system to hold an LED light assembly a control...
|
|
WO/2006/090319A1 |
The present invention relates to glow-switch starters 1, lighting devices therewith and use thereof. The glow-switch starter 1 is suitable for use with three phase supply voltages substantially higher than the common 230V supply voltage ...
|
|
WO/2006/087853A1 |
An electric-discharge lamp operation device includes a reflection mirror (2) arranged around an electric-discharge lamp bulb (1) so that the light is emitted from the electric-discharge lamp bulb (1) in one direction, and a power supply ...
|
|
WO/2006/088176A1 |
In a drive circuit for a piezoelectric transformer using a cold-cathode tube (12) as a load, primary sides of two piezoelectric transformers (11) are connected in series to constitute a pair of piezoelectric transformers. One end of the ...
|
|
WO/2006/085683A1 |
A transformer used in an illuminating apparatus comprises a closed magnetic circuit core; a primary winding wound about the closed magnetic circuit core; and a plurality of secondary windings wound about the closed magnetic circuit core....
|
|
WO/2006/084440A1 |
The invention relates to a lamp base (2) for a high-pressure discharge lamp comprising an ignition transformer (1000), which is placed in the interior (214) of the lamp base (2) and which serves to ignite the gas discharge inside the hig...
|
|
WO/2006/085279A1 |
An ignitor disconnection control system and method includes an ignitor having a semi-conductor switch (58) and capacitor (60) connected in series to form a junction (70) between the semi-conductor switch (58) and the capacitor (60), and ...
|
|
WO/2006/085262A2 |
A method and a circuit arrangement (1) for operating a high intensity discharge lamp (2), which is supplied by direct current (DC) supply lines (4, 6), comprising a transformer (40), of which a primary winding (42) is connected in series...
|
|
WO/2006/081797A1 |
The invention relates to a method for operating a high-pressure discharge lamp having an electrical voltage with a periodically alternating polarity. According to said method, during the operation of the high-pressure discharge lamp, the...
|
|
WO/2006/082849A1 |
A discharge lamp operating device comprises an inverter (2) for converting a DC voltage into a high-frequency voltage, N discharge lamps (11 to 14) (N is a positive integer), and N+1 transformers (T1 to T5). Between the output terminals ...
|
|
WO/2006/083064A1 |
A hybrid power supply system including piezoelectric and ferrite transformers for driving a discharge lamp is provided. Specifically, the hybrid power supply system includes a rectifier/filter, a piezoelectric inverter, and a ferrite con...
|
|
WO/2006/079937A1 |
A circuit arrangement (1) for operating a high-pressure gas discharge lamp (2) is described. The circuit arrangement (1) has an igniting-circuit circuit arrangement (3) having a capacitor (C) able to be connected via two terminals (a3, a...
|
|
WO/2006/080219A1 |
A PWM generating circuit is adapted to generate a PWM pulse signal the frequency of which is an odd multiple of the vertical synchronizing frequency. A frequency divider circuit frequency divides the PWM pulse signal generated by the PWM...
|
|
WO/2006/077028A1 |
The invention relates to a method for controlling electronically controlled lighting control devices or parts thereof depending on the detection of a movement in a defined space. For this purpose, an output signal of a motion detector co...
|
|
WO/2006/075428A1 |
A DC/DC converter having a transformer (T1) is connected in parallel with a DC/DC converter having a transformer (T2). A control part (4) is included which, while shifting the operational phases of the transformers (T1,T2) of the DC/DC c...
|
|
WO/2006/074629A1 |
An electronic ballast is disclosed, for the operation of a lamp arrangement, comprising at least one lamp, in particular, a low-pressure discharge lamp and at least one transformer for balancing the lamp currents, whereby the transformer...
|
|
WO/2006/072852A1 |
The invention describes a method of monitoring the mercury condensation in a gas filled arc tube (2) of a mercury vapour discharge lamp (1), wherein a lamp voltage and a lamp current are determined and analysed to give an indication of t...
|
|
WO/2006/073881A2 |
The embodiment disclosed herein relates to systems and methods to provide improvements to power delivery systems employed with lamps (114) in general and fluorescent lamps in particular. In accordance with one exemplary embodiment, catho...
|
|
WO/2006/072858A2 |
A lighting assembly, a driver circuit, and a method of operating a discharge lamp are described. A discharge lamp (10) comprises a discharge vessel (14) with at least two electrodes (16) arranged at a distance d for generating an arc bet...
|
|
WO/2006/072861A1 |
The invention describes a method for operation of a mercury vapour discharge lamp (1) in an image rendering system (30), wherein during a total operation time necessary for the presentation of an image content (C), the lamp (1) is delibe...
|
|
WO/2006/070994A1 |
A multi-lamp electronic ballast for a high intensity discharge lamp is provided. The multi-lamp electronic ballast includes a first igniter connected to the inverter unit to induce a high voltage from a current input from the inverter un...
|
|
WO/2006/070958A1 |
The present invention relates to a power-saving magnetic ballast capable of controlling illumination intensity, and more particularly, to a magnetic ballast capable of saving power by properly operating in response to various conditions ...
|
|
WO/2006/068054A1 |
A multiple-light discharge lamp lighting device in which each of the tube currents of a plurality of discharge lamps can be stabilized and equalized at a low cost without providing a ballast element on the secondary side of an inverter t...
|
|
WO/2006/068055A1 |
A multiple-light discharge lamp lighting device in which each of the tube currents of a plurality of discharge lamps can be stabilized and equalized at a low cost without providing a ballast element on the secondary side of an inverter t...
|
|
WO/2006/065606A1 |
A ballast for a gas discharge lamp comprising a first circuit portion for providing power to a lighting load and a second circuit portion for processing data exchanged with a communication link, the first circuit portion receiving power ...
|
|
WO/2006/064407A1 |
A method and a ballast circuit to supply a gas discharge lamp by a high frequency voltage, which, by using a voltage controlled first generator (4), is generated from a substantial sinusoidal mains voltage of a lower mains frequency prov...
|
|
WO/2006/065831A1 |
A ballast for driving a gas discharge lamp comprising a rectifier stage (12) having an alternating current (AC) input and providing a rectified output voltage, a boost converter stage (14) receiving the rectified output voltage as an inp...
|
|
WO/2006/065099A1 |
The present invention relates to a discontinuous AC ballast for a discharge lamp, and more particularly to a discontinuous AC ballast for a discharge lamp of a new concept comprising DC or a rectifier circuit 1 converting AC to DC, a con...
|
|
WO/2006/064408A1 |
A lamp circuit comprising a series circuit of an alternating voltage (AC) supply source (2) for supplying an AC voltage having a high lamp-operating frequency, a ballast inductor (4), a capacitor (6) and terminals for connection to a gas...
|
|
WO/2006/064182A1 |
A method and apparatus are disclosed for providing current to a load. The apparatus includes a full or half bridge switching circuit, including at least one switching element for supplying power to a load when switched on and means for s...
|
|
WO/2006/063845A2 |
The invention relates to a circuit arrangement for a starting unit of a discharge lamp (1) having a spark gap, which is formed from three or more electrodes (11) and which is connected in series to the primary winding (8) of a superimpos...
|
|
WO/2006/061800A1 |
An electronic ballast with higher startup voltage includes converter with a switching circuit (40) responsive to a switching control signal (50) and operably connected to a DC bus (30); a DC controller (44) comparing a sensed DC bus volt...
|
|
WO/2006/062387A1 |
The invention relates to an apparatus which used for the automatic attenuation of the light from electronic and magnetic ballasts used for high intensity discharge or fluorescent lamps. According to the invention, a limiting current from...
|
