Class / Patent application number | Description | Number of patent applications / Date published |
315118000 | Load device circuit controlled by the temperature modifying medium | 10 |
20090039791 | Entryway lighting system - A disclosed entryway lighting system generally includes (a) a door assembly comprising a frame; (b) one or more high-intensity light fixtures mounted within the frame; (c) a power supply electrically connected in a circuit to the light fixtures; (d) a temperature sensor; and, (e) an electrical switch coupled to the temperature sensor and electrically connected to the circuit, the electrical switch having a cut-off temperature above which the light fixtures are turned off. The lighting system improves the visibility, aesthetic appearance, and security of a door mounted in the door assembly. The combination of the temperature sensor and the electrical switch provides an element of safety against excess heat generation and build-up that can result from the use of high-intensity lights. | 02-12-2009 |
20090236992 | LED LAMP AND PRODUCTION METHOD OF THE SAME - An LED lamp including a glass lampshell and a stem assembly with one end inserted into the glass lampshell. The stem assembly comprises a glass trumpet tube with one end sealed within the glass lampshell to form a cavity within the glass lampshell and within the cavity a supporting component connected to the glass trumpet tube and supporting an LED emitter. The stem assembly further comprises a wire encompassed within the glass trumpet tube. The wire has one end extending outside of the cavity and the other end electrically connected to the LED emitter. | 09-24-2009 |
20090302767 | Driving Device for Driving a Light Emitting Unit - A driving device for driving a light emitting unit includes a power supply for generating power according to a control signal, an active signal generator for generating an active signal sequence according to lighting features of the light emitting unit, a heat-dissipation signal generator for generating a heat-dissipation signal sequence, a multiplexer coupled to the active signal generator and the heat-dissipation signal generator for combining the active signal sequence and the heat-dissipation signal sequence, so as to generate a driving signal sequence, a burst signal generator for generating a burst signal according to the lighting features of the light emitting unit, and a logic unit coupled to the multiplexer, the burst signal generator and the power supply for timely outputting the driving signal sequence according to the burst signal, so as to generate the control signal. | 12-10-2009 |
20120062121 | LIGHT MODULE - The invention relates to a light module for electrical and thermal attachment to an energy infrastructure having at least one power supply, each power supply comprising two electrodes, said light module comprising a light source to emit light, wherein the light source is a heat source when emitting light, two electrical contacts to contact the electrodes of the at least one power supply and thereby establishing the electrical attachment between the light module and the energy infrastructure, a control system arranged between the light source and the electrical contacts to control a power supplied to the light source, wherein the light module comprises a measurement system to measure a thermal resistance of the thermal attachment between the light module and the energy infrastructure when establishing the electrical attachment, and wherein the control system is configured to reduce the power supplied to the light source when the thermal resistance is above a predetermined value to protect the light module from overheating. The invention also relates to a method for protecting a light module from overheating. | 03-15-2012 |
20120206046 | Laser module - A laser module capable of being connected onto a circuit board includes a main body having a front opening, a rear opening, and an inner wall, a focusing lens connected in the front opening, a housing mounted to the exterior of the main body and enclosing the main body, with one end of the housing corresponding to the focusing lens having a through hole and the other end having an opening to accommodate the insertion of the main body into the housing. The laser module also includes a laser diode press-fitted onto the inner wall of the main body from the rear opening of the main body and aligned with the focusing lens as well as electrically connected to the circuit board, an image lens aligned with the focusing lens, an air-tight structure to seal the image lens inside the housing, a temperature sensor positioned under the laser diode as well as disposed on and electrically connected with the circuit board, and a temperature control plate positioned under the laser diode and the temperature sensor as well as disposed in the rear opening of the main body. | 08-16-2012 |
20130229111 | MEDICAL LIGHT SOURCE DEVICE - It is an object to provide a medical light source device capable of securing a long illumination time required to use in operations in the medical field, and the medical light source device that is worn on the body of an operator to apply light to a target portion of the medical treatment is to cause an illumination section | 09-05-2013 |
20130342107 | METHOD OF DRIVING A GAS-DISCHARGE LAMP - The invention describes a method of driving a gas-discharge lamp ( | 12-26-2013 |
20140217897 | DRIVE CIRCUIT, ILLUMINATION LIGHT SOURCE, AND LIGHTING APPARATUS - A drive circuit is a drive circuit for turning on an LED and includes a self-excited inverter supplying power to the LED, wherein the self-excited inverter includes thermistors, and supplies, depending on temperature dependency of the thermistors, the first power value to the LED when a temperature is the first temperature, and the second power value to the LED when a temperature is the second temperature higher than the first temperature, and the second power value is smaller than the third power value that a circuit which is not provided with the thermistors and supplies the first power value to the LED when the temperature is a first temperature supplies to the LED when a temperature is the second temperature. | 08-07-2014 |
20140339983 | COLOR TUNABLE LIGHTING ASSEMBLY, A LIGHT SOURCE AND A LUMINAIRE - A color tunable lighting assembly ( | 11-20-2014 |
20150102725 | LED Module - An improved LED module that is thermally self-stabilizing, and that is able to be retrofitted into an existing flashlight is provided. In one embodiment, the LED module includes a light emitting diode, an amplifying circuit and a microchip. The amplifying circuit includes a temperature sensing device to sense heat from the light emitting diode. The output of the amplifying circuit is input to the microchip which output to a switching device that regulates energy that is delivered to the light emitting diode. The switching device may be part of a boosting circuit, a bucking circuit or an inverting circuit. | 04-16-2015 |