Class / Patent application number | Description | Number of patent applications / Date published |
315033000 | Portable self-contained | 15 |
20090195159 | LED COOLING SYSTEM - A self contained High Power LED cooling system has a connected LED chip, heat radiator, fan, and self-containing power supply. The components are interconnect by spring loaded posts to absorb temperature expansion. A thermocouple device monitors the temperature to shut off the LED chip before reaching a critical temperature. | 08-06-2009 |
20100117535 | PORTABLE DEVICE, RECORDING MEDIUM STORING LIGHT EMISSION CONTROL PROGRAM AND LIGHT EMISSION CONTROL METHOD THEREOF - A portable device includes a light emission unit to emit light on a case, a clocking unit to clock time, an information acquisition unit to acquire information indicating a position and/or a state necessary for illuminating the light emission unit, and a control unit to determine whether to illuminate the light emission unit by using timekeeping information acquired from the clocking unit and the information indicating a position and a state acquired from the information acquisition unit, and to control the light emission unit under either a light emission state or an extinction state from a result of the determination. | 05-13-2010 |
20100213842 | METHOD OF DRIVING A FLASH DEVICE AND A NUMBER OF LOADS POWERED BY A BATTERY AND HANDHELD ELECTRONIC DEVICE INCLUDING THE SAME - A handheld electronic device includes a processor; a battery; a flash device; a number of loads powered by the battery; and a flash driver outputting a flash current to the flash device. The processor determines a temperature operatively associated with the battery and different voltage values corresponding to different combinations of the loads as a function of the determined temperature, and starts the flash device at a predetermined flash current value. The flash driver selects a corresponding different voltage value as a function of: (a) a determined number of the loads which are active, or (b) a current flowing from the battery; determines the battery voltage, and if the battery voltage is less than or equal to the corresponding different voltage value, reduces the flash current below the predetermined flash current value until the battery voltage is greater than the corresponding different voltage value. | 08-26-2010 |
20110248632 | Multi-Purpose Control Circuit - A control circuit controls power supply to a device which includes a power storage device and an electricity generating means for intermittently supplying power to said storage device. The control circuit includes a microcontroller arranged to operate in either a sleep mode or an active mode when the device is switched on. The microcontroller intermittently enters the active mode from the sleep mode in order to test the storage device voltage and provide an indication if the storage device voltage is determined to be less than a predetermined level. | 10-13-2011 |
20110266953 | Solar powered light assembly to produce light of varying colors - A garden light ( | 11-03-2011 |
20110266954 | MULTIFUNCTIONAL RECHARGEABLE LED LIGHT - This invention relates to a type of multi-functional rechargeable energy saving LED light. Each of the existing lightings has only one function and use, and they are not convenient in respect of operation and portability, and thus cause a lot of inconvenience. This invention comprises a lamp base, a retractable tube, a lamp case, a lamp filter, LED bead(s) and a mounting board, a circuit board and a lithium battery. The retractable tube connects the lamp base to the lamp case. The LED bead(s) and mounting board are near the top of the lamp case where the lamp filter is located at the top on the surface of the lamp case. Power switch and indicator light are installed on the lateral side of the lamp case. The lithium battery is housed in the retractable tube while a circuit board is placed inside the lamp case. AC-DC constant voltage power module, a charge management module for the lithium battery, DC-DC constant current power module and a smart module are located on the circuit board ( | 11-03-2011 |
20110285285 | MECHANICAL TURNPLATE TYPE ROTATABLY DIMMING DEVICE AND DIMMING METHOD THEREOF - A mechanical turnplate type rotatably dimming device has a bottom part ( | 11-24-2011 |
20120068599 | METHOD OF DRIVING A FLASH DEVICE AND A NUMBER OF LOADS POWERED BY A BATTERY AND HANDHELD ELECTRONIC DEVICE INCLUDING THE SAME - A handheld electronic device includes a processor; a battery; a flash device; a number of loads powered by the battery; and a flash driver outputting a flash current to the flash device. The processor determines a temperature operatively associated with the battery and different voltage values corresponding to different combinations of the loads as a function of the determined temperature, and starts the flash device at a predetermined flash current value. The flash driver selects a corresponding different voltage value as a function of: (a) a determined number of the loads which are active, or (b) a current flowing from the battery; determines the battery voltage, and if the battery voltage is less than or equal to the corresponding different voltage value, reduces the flash current below the predetermined flash current value until the battery voltage is greater than the corresponding different voltage value. | 03-22-2012 |
20120256540 | LED LIGHTING APPARATUS WITH A BATTERY MONITORING DEVICE - A portable lighting apparatus comprising a re-chargable battery and a plurality of LED's (light emitting diode) located on a PCB are housed in separate enclosures. The battery is managed by a first microprocessor in the battery enclosure and operation of the LED(s) is managed by a second microprocessor in the lamp enclosure. The two microprocessors are connected to respective data transmitters which generate signals to pass information and/or commands between the two microprocessors. The electrical systems of the two enclosures are interconnected by a bi-direction data link formed by a twin core cable. | 10-11-2012 |
20130049582 | PORTABLE LIGHTING DEVICE - A portable electronic lighting device and a method for controlling a portable lighting device are described. The device has a switched-mode power supply, a light source, a high frequency switch, a controller controlling the operation of the light source and a user interface for inputting commands to the controller. A DC power source has a negative pole that is connected by only one single electric contact with the lighting device tail. The method for controlling a portable lighting device includes connecting a DC power source, an inductor, a light source, a high frequency switch and a resistor in series, measuring a voltage across the resistor, and controlling the high frequency switch dependent on the voltage measured across the resistor. | 02-28-2013 |
20130134871 | POWER SUPPLY CONTROL DEVICE FOR AN ELECTRONIC PRODUCT - The present invention provides a power supply control device for an electronic product, which device includes a socket and a power supply controller; wherein the socket is provided on the electronic product, electricity runs between an electric circuit board of the electronic product and a power supply, and has a leading/insertion slot; the power supply controller can be insertion connected into the leading/insertion slot, and at least includes a control chip controlling the socket to put out electric power to an electric circuit board of the electronic product, the electronic product can be independent in the technique of treating electric power supplying, and can be micronized and modularized, and can be mounted in a more simple and faster way, further is benefit to easy insertion and extraction directly; thereby cost of maintenance of the electronic product can be lowered. | 05-30-2013 |
20140035459 | PORTABLE ILLUMINATION DEVICE WITH ADJUSTABLE DIMMER - Portable illumination devices (e.g., flashlights, headlamps, mobile devices with lights, watches, etc.), assemblies and methods of use are described herein. In various embodiments, a portable illumination device may include a housing, a light source, a Hall Effect sensor, a magnet that is movable relative to the Hall Effect sensor and provides a magnetic field, and a logic contained within the housing. In various embodiments, the logic may be operably coupled to the light source and the Hall Effect sensor. In various embodiments, the logic may be configured to alter a quantity of light emitted by the light source based on data, provided by the Hall Effect sensor, indicative of a spatial relationship between the magnet and the Hall Effect sensor. | 02-06-2014 |
20140232262 | Portable light with spectrum control means - A portable light with spectrum control means which allows the user to adjust the output spectrum manually and conveniently. The portable light includes compact housing with waterproof design and excellent heat dissipation, and it is preferably powered by batteries. A light source with multiple light-emitting units is aligned with light mixing and projecting components to produce light with uniform and consistent output synthetic spectra. Peripheral components, such as tactile switch, potentiometer, etc., and the electrical control circuit work together to respond to the user's actions to adjust the spectrum of the output light. The power management module regulates the electrical output of the power source to maintain a consistent light output as the power source drains. | 08-21-2014 |
20150334810 | Multi-Function Controllable Luminous Decoration - A multi-function controllable luminous decoration includes a casing and an inductive light-emitting device disposed in the casing. The inductive light-emitting device includes a detection switch, a control unit, a light-emitting unit, a TF (Trans-Flash) card, a main control chip, a data line port, a battery, and a charging management chip. The present invention is able to vibrate and emit light, and has the functions of showing the characters and pictures stored in the TF card, storage, charging management, enhancing culture information and increasing ornament, interesting and practicability to satisfy the demands of more consumers. | 11-19-2015 |
20160079318 | DISPLAY DEVICE - A display device includes an accommodating member in which an inner space is defined, a display panel accommodated in the inner space in the accommodating member, and an energy generating module disposed between the accommodating member and the display panel and which produces a triboelectricity, where the energy generating module includes a first electrified substrate fixed to the accommodating member and a second electrified substrate disposed on the first electrified substrate, the second electrified substrate moves relative to the first electrified substrate by a frictional event, and the triboelectricity is produced by the relative movement between the first and second electrified substrates. | 03-17-2016 |