| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 315306000 | Regulator in shunt to the load device | 6 |
| 20080218100 | Regulation of Electrical Current Through a Resistive Load - control processor, wherein the control processor is adapted to control the first and second current sources based on the sensor signal. The first current source having a diode with first and second sides, an inductor connected between a first reference voltage source and a first side of a diode, a capacitor connected between a second side of the diode and a second reference voltage, and a transistor connected between the first side of the diode and the second reference voltage. | 09-11-2008 |
| 20080290819 | LIGHT-EMITTING DEVICE DRIVER CIRCUITS AND RELATED APPLICATIONS - Driver circuits for light-emitting devices (e.g., light-emitting diodes), as well as systems and methods associated therewith are provided. | 11-27-2008 |
| 20080290820 | LIGHT EMITTING DEVICE AND FABRICATION METHOD THEREOF AND LIGHT EMITTING SYSTEM USING THE SAME - A light emitting device comprises a light emitting element having a first electrode and a second electrode, and a semiconductor member having a cavity in a principal surface thereof, inside which the light emitting element is mounted, and electrically connected to the light emitting element, wherein the semiconductor member is constructed as a voltage regulating diode for stabilizing a voltage supplied from the exterior. As a result, the light emitting element can be protected from a static electricity or a surge voltage flowed therein from the exterior, the entire size of the system can be remarkably reduced so as to simplify a structure thereof, and heat generated from the system can be effectively discharged to the exterior. In addition, by providing a reflection portion in the cavity, light emitted from the light emitting element can be efficiently condensed. | 11-27-2008 |
| 20090284179 | Apparatuses for Providing Power for Illumination of a Display Object - An exemplary power regulator apparatus provides power for illumination of a display object, such as a merchandise package or container, which has a light emitting apparatus comprising a secondary inductor and an illumination source. A support structure, such as a point of purchase display, typically contains or supports one or more power regulators and display objects. The power regulator comprises a controller and a primary inductor, and the controller is adapted to provide a voltage or current to the primary inductor to generate a primary inductor voltage. The controller may also comprise a plurality of switches and a memory adapted to store values for switching frequency or switch on-time durations or pulse widths. The illumination source emits visible light when the power regulator is in an on state and when the secondary inductor is within a predetermined distance of the primary inductor. | 11-19-2009 |
| 20120032614 | NOVEL LED DRIVER CIRCUIT - A novel LED driver circuit, including: a current regulation circuit, having a first end and a second end, wherein a first current is flowing into the second end, and a voltage difference between the first end and the second end is generated in response to the first current; a transistor, coupled with the first end and second end of the current regulation circuit; a bias network, having a first end and a second end, the second end being coupled with the transistor; and a LED module, having at least two connection nodes, wherein the connection node at one end of the LED module is coupled to a line voltage, the connection node at the other end of the LED module is coupled to the transistor, and one of the at least two connection nodes is coupled with the first end of the bias network. | 02-09-2012 |
| 20140176013 | DIMMING CONTROL METHOD AND APPARATUS AND DIMMING SYSTEM - Embodiments of the present invention disclose a dimming control method and apparatus and a dimming system. The method according to an embodiment of the invention includes: detecting a conduction angle of a dimming apparatus according to an output signal; and controlling a first shunt load according to the conduction angle to disconnect the first shunt load upon detecting a valid conduction angle of the dimming apparatus and to keep the first shunt load conducted upon detecting no valid conduction angle of the dimming apparatus, thereby lowering power consumption. | 06-26-2014 |
