| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 315291000 |
CURRENT AND/OR VOLTAGE REGULATION
| 2021 |
| 315149000 |
WITH RADIANT ENERGY SENSITIVE CONTROL MEANS
| 635 |
| 315246000 |
PULSATING OR A.C. SUPPLY
| 630 |
| 315185000 |
PLURAL SERIES CONNECTED LOAD DEVICES
| 540 |
| 315209000 |
PERIODIC SWITCH IN THE SUPPLY CIRCUIT
| 517 |
| 315032000 |
COMBINED LOAD DEVICE OR LOAD DEVICE TEMPERATURE MODIFYING MEANS AND ELECTRICAL CIRCUIT DEVICE STRUCTURE
| 461 |
| 315312000 |
PLURAL LOAD DEVICE SYSTEMS
| 293 |
| 315076000 |
SPECIAL APPLICATION
| 267 |
| 315119000 |
WITH AUTOMATIC SHUNT AND/OR CUTOUT
| 261 |
| 315111010 |
DISCHARGE DEVICE LOAD WITH FLUENT MATERIAL SUPPLY TO THE DISCHARGE SPACE
| 222 |
| 315112000 |
WITH LOAD DEVICE TEMPERATURE MODIFIER
| 210 |
| 315200000 |
DISCHARGE DEVICE AND/OR RECTIFIER IN THE SUPPLY CIRCUIT
| 193 |
| 315160000 |
PLURAL POWER SUPPLIES
| 171 |
| 315129000 |
WITH SIGNAL, INDICATOR, OR ALARM
| 112 |
| 315500000 |
HIGH ENERGY PARTICLE ACCELERATOR TUBE
| 107 |
| 315362000 |
ELECTRIC SWITCH IN THE SUPPLY CIRCUIT
| 79 |
| 315227000 |
CONDENSER IN THE SUPPLY CIRCUIT
| 73 |
| 315001000 |
CATHODE RAY TUBE CIRCUITS
| 69 |
| 315086000 |
AUTOMATIC SUBSTITUTION OF THE POWER SUPPLY
| 59 |
| 315363000 |
MISCELLANEOUS SYSTEMS
| 40 |
| 315360000 |
TIME-CONTROLLED
| 26 |
| 315326000 |
DISCHARGE DEVICE LOAD
| 26 |
| 315178000 |
PLURAL DIVERSE-TYPE LOAD DEVICES
| 26 |
| 315085000 |
WITH ELECTROMAGNETIC WAVE RADIATION PREVENTING OR SHIELDING MEANS
| 22 |
| 315094000 |
WITH CATHODE OR CATHODE HEATER SUPPLY CIRCUIT
| 16 |
| 315088000 |
AUTOMATIC SUBSTITUTION OF THE LOAD DEVICE OR ELECTRODE
| 12 |
| 315194000 |
REGULATION OF THE CONTROL CURRENT AND/OR POTENTIAL APPLIED TO DISCHARGE CONTROL DISCHARGE DEVICE LOADS BY PHASE SHIFTING MEANS
| 11 |
| 315137000 |
POLYPHASE A.C. SUPPLY | 5 |
| 20120062124 | LIGHTING DEVICE WITH OPTICAL PULSATION SUPPRESSION BY POLYPHASE-DRIVEN ELECTRIC ENERGY - The present invention relies on polyphase alternating current power with phase difference or direct current power rectified from polyphase alternating current power to drive a common electric-driven luminous body, or to separately drive adjacently installed individual electric-driven luminous bodies so that the pulsation of the outwardly projected light is reduced. | 03-15-2012 |
| 20120256546 | SOLID-STATE LIGHT EMITTING DEVICE HAVING CONTROLLABLE MULTIPHASE REACTIVE POWER - The present invention utilizes a three-phase or multiphase AC power source, and the electric power of each phase respectively drives its corresponding solid-state light emitting member, and the solid-state light emitting members respectively driven by each phase power are arranged adjacently or arranged with an overlapping means, so that the light of the individual solid-state light emitting members respectively driven by the multiphase power source and arranged adjacently or arranged with an overlapping means can reduce the brightness pulse through synthetic illumination; and through being controlled by a solid-state switch device for controlling AC conductivity phase angle ( | 10-11-2012 |
| 20120256547 | SOLID-STATE LIGHT EMITTING DEVICE HAVING CONTROLLABLE MULTIPHASE REACTIVE POWER - The present invention utilizes a three-phase or multiphase AC power source, and the electric power of each phase respectively drives its corresponding solid-state light emitting member, and the solid-state light emitting members respectively driven by each phase power are arranged adjacently or arranged with an overlapping means, so that the light of the individual solid-state light emitting members respectively driven by the multiphase power source and arranged adjacently or arranged with an overlapping means can reduce the brightness pulse through synthetic illumination; and through being controlled by a solid-state switch device for controlling AC conductivity phase angle ( | 10-11-2012 |
| 20120019148 | HIGH VOLTAGE POWER SUPPLY FOR POWERING A MAGNETRON IN A UV CURING LAMP ASSEMBLY - A power supply for use in a UV curing lamp assembly is disclosed. The power supply is powered by two intermediate frequency (200-400 Hz) low voltage sinusoidal power sources that drive the primary windings of a dual laminated transformer. The low voltage sinusoidal power sources are configured to have different phases. The out-of-phase low voltage sine wave sources are converted to high voltage sine waves on the secondary windings of the dual laminated transformer having the same phase difference relationship. A single rectifier comprising six high voltage diodes, called a ladder rectifier, combine the two out-of-phase sine waves into a single, approximately DC output power source. By modulating a phase difference between two input sine wave power sources, the approximate DC output voltage exiting the ladder rectifier may be alternated between a low ripple mode of about a 13.84% ripple, a high current mode, a high voltage mode, and an intermediate mode with a ripple in the range of about 13.84% to about 100%. | 01-26-2012 |
| 20110234106 | THREE-PHASE LED POWER SUPPLY - A three phase rectifier rectifies received three phase a.c. power to generate a ripple d.e. voltage. A power distribution bus conveys distribution panel conveys distribution power comprising the ripple d.c. voltage or an a.c. voltage derived therefrom to a location of an LED based lamp that is distal from the three phase rectifier. Additional circuitry disposed with the LED based lamp drives the LED based lamp using the distribution power. | 09-29-2011 |
| 315289000 |
SURGE GENERATOR OR INDUCTANCE IN THE SUPPLY CIRCUIT | 5 |
| 20110089853 | ELECTRONIC DRIVER APPARATUS FOR LARGE AREA SOLID-STATE LEDS - An electronic driver apparatus is provided for driving power an organic LED, including a switchable inductance circuit and a controller to connect an inductance between a power source and the OLED during a startup period as power is first applied to the OLED. | 04-21-2011 |
| 20100001656 | LOW IGNITION VOLTAGE INSTANT START FOR HOT RE-STRIKE OF HIGH INTENSITY DISCHARGE LAMP - A lamp assembly includes a housing that selectively receives a removable, plug-in high intensity discharge (HID) lamp. A transformer and electrical circuit are received in the housing for providing an instant start, hot re-strike ignition of the lamp at less than 25 kilovolts. A circuit for an instant start, hot re-strike of an HID lamp supplies an ignition voltage to the HID lamp that includes pulses having an amplitude of less than 25 kilovolts and a frequency ranging from approximately 20 hertz to approximately 500 hertz. Preferably, the frequency is greater than 100 hertz, more preferably the frequency is approximately 150 hertz. The amplitude of pulses are preferably less than approximately 15 kilovolts, and more preferably approximately 8-10 kilovolts. The pulse width is approximately 200 nanoseconds and the peaks of the pulses are periodic with a period of approximately 2 milliseconds. | 01-07-2010 |
| 20080252232 | Magnetic Ballast Fault Isolation System and Method - A magnetic ballast fault isolation system and method, with a fault isolation system including a magnetic ballast | 10-16-2008 |
| 20090153070 | High-Pressure Discharge Lamp with an Improved Starting Capability, as Well as a high-voltage pulse generator - A spiral pulse generator is used to start a high-pressure discharge lamp and is accommodated directly in the external bulb of the lamp. The spiral pulse generator comprises two parts which are manufactured jointly as an LTCC component. | 06-18-2009 |
| 20120319615 | LED DRIVER CIRCUIT AND METHOD OF DRIVING LED - A light emitting diode (LED) driver circuit is provided. The LED driver circuit includes an LED the LED; a power unit which provides a current to the LED through an inductor; a dimming switch which is connected to the LED and bypasses the current provided to the LED; an input unit which receives brightness information of the LED; a logic unit which calculates reference currents for each driving mode according to the received brightness information; a current control unit which controls the power unit to provide the current based on the driving mode and the calculated reference currents to the inductor; and a switch control unit which switches the dimming switch on if the driving mode of the LED driver circuit is switched to the dimming mode. | 12-20-2012 |
| 315361000 |
PLURAL CONTROL STATIONS | 2 |
| 20090072766 | Multi-way sensor switch - A system for controlling a load circuit is disclosed. The system includes a plurality of multi-way sensor switches for mounting in an electrical boxes and coupling to the load circuit. Preferably, each of the multi-way sensor switches includes a tactile switch for manually opening and closing the load circuit load circuit, a built-in sensor for automatically opening and closing the load circuit in response to a level of detected motion and a micro-processor for generating status signals. The status signals are transmitted between each of the multi-way sensor switches over a traveler wire that is electrically coupled to each of the multi-way sensor switches. The micro-processor then uses the status signals to synchronize the operation of each of the multi-way sensor switches to allowing the multi-way sensor switches to operate in a true three-way fashion. | 03-19-2009 |
| 20100052576 | RADIO-FREQUENCY LIGHTING CONTROL SYSTEM WITH OCCUPANCY SENSING - A load control system controls an electrical load provided in a space and comprises a load control device and one or more occupancy sensors. The load control device controls the load in response to the wireless control signals received from the occupancy sensors. Each occupancy sensor transmits an occupied control signal to the load control device in response to detecting an occupancy condition in the space and a vacant control signal to the load control device in response to detecting a vacancy condition. The load control device turns on the load in response to receiving the occupied control signal from at least one of the occupancy sensors, and turns off the load in response to receiving vacant control signals from both of the occupancy sensors. The load control device is operable to determine that no wireless control signals have been received from the occupancy sensors for the length of a predetermined timeout period and to subsequently turn off the load. | 03-04-2010 |
| 315177000 |
LOAD DEVICE IN THE PRIMARY AND SECONDARY CIRCUIT OF THE SUPPLY TRANSFORMER | 2 |
| 20100289414 | TWO-STAGE BALANCER FOR MULTI-LAMP BACKLIGHT - A two-stage balancer for a multi-lamp backlight is electrically connected to a driving unit through a driving transformer. The two-stage balancer includes a plurality of first balancing transformers, second balancing transformers, and lighting units. Each of the first balancing transformers is electrically connected to the corresponding second balancing transformers to form a two-stage structure. In addition, a primary winding and a secondary winding of the second balancing transformer is electrically connected in series to one lighting unit, respectively, to form a circuit loop. Further, each of the circuit loops is electrically connected in parallel. Whereby the two-stage balancer provides much better current balance between the parallel circuit loops, and outputs a sinusoid-like driving current to increase lighting efficacy and further maintain uniform brightness of the multi-lamp backlight. | 11-18-2010 |
| 20090102390 | CIRCUIT ARRANGEMENT FOR OPERATING A HIGH PRESSURE DISCHARGE LAMP - A circuit arrangement for operating a high pressure discharge lamp includes a voltage transformer, a load circuit which is supplied by the voltage transformer and provided with connections for the high pressure discharge lamp (La), a choke (L | 04-23-2009 |
| 315840510 |
PULSE STORING SYSTEMS OF THE GASEOUS DISCHARGE-TUBE TYPE | 1 |
| 20110254447 | Discharge lamp lighting apparatus - A discharge lamp lighting apparatus includes a capacitor, a charge circuit for charging the capacitor, a switching element, a gate driving circuit that controls ON and OFF states of the switching element, a simmer current supply circuit for passing simmer current through a discharge lamp, a starting circuit that impresses high voltage to a starting electrode, and an electric discharge sequence control circuit that generates the gate signal and the starting signal. When lighting the discharge lamp, a sequence of the gate signal corresponding to an alternating repetition of the ON and OFF states of the switching element is generated. Before outputting the starting signal, the switching element is ON as a stand-by state. Then the sequence starts when the starting signal is outputted. | 10-20-2011 |
| 315108000 |
CONFINED GAS OR VAPOR-TYPE LOAD DEVICE WITH PRESSURE REGULATING MEANS | 1 |
| 20120161631 | PLASMA LIGHT SOURCE SYSTEM - A plasma light source system includes a plurality of plasma light source | 06-28-2012 |
