Patent application number | Description | Published |
20100033963 | Portable Lighting Devices - A flashlight having a locking mechanism for securing a head skirt to a head assembly is disclosed. A circuit for temporarily remember the mode of operation of the flashlight is also disclosed. | 02-11-2010 |
20100033972 | LED MODULE - A light emitting diode (“LED”) module with improved thermal characteristics is provided. The module includes an LED, a first circuit board, a second circuit board, a lower insulator, an upper insulator, a lower contact, upper contacts, and a heat sink. Preferably, the heat sink comprises an outer housing and a contact ring. The LED and the heat sink are attached to the first circuit board via solder. In addition to serving as a substrate for the LED, the first circuit board (which contains a plurality of thermally conductive layers connected by vias) facilitates the transfer of heat away from the LED to the heat sink. The module also has improved mechanical and electrical properties, including redundant electrical connections, stable mechanical connections, and a shock-absorbing lower contact. The lower insulator can also be configured to prevent misalignment of the power source with the lower contact when the module is used in a flashlight or other lighting device. | 02-11-2010 |
20100176750 | MULTI-MODE PORTABLE LIGHTING DEVICE - A portable lighting device, such as a flashlight, with a mechanical power switch and multiple operating modes is provided. The mechanical power switch is disposed in series with the controller for the lighting device and acts as the user interface to the controller to change modes of operation. Because the mechanical power switch is in series with the controller, the portable lighting device does not consume battery power when the mechanical switch is open. A state machine coupled to the controller is polled by the controller each time it is powered up to determine the operational mode of the lighting device. | 07-15-2010 |
20100177507 | BATTERY PACK ASSEMBLIES AND PORTABLE LIGHTING DEVICES EMPLOYING SAME - A portable electronic device, such as a flashlight, with a battery pack assembly is provided. The battery pack assembly has a cylindrically shaped housing with a base and a cover that form a chamber to hold a battery pack. A printed circuit board is installed in the cylindrically shaped housing to provide multiple functions to the portable electronic device. | 07-15-2010 |
20100219775 | Portable Lighting devices - A portable lighting device having a plurality of modes of operation and method of operating the portable lighting device are disclosed. One method of operating the portable lighting device is by rotating the portable lighting device along a principal axis of projection of the light source to enter into a new mode of operation. Normal, dim, motion sensitive, variable brightness, blink, right and left hand, lock out, SOS, night light, strobe, compass and signal modes are disclosed, and the modes may be adjusted. A rechargeable battery pack is disclosed that includes a housing, a rechargeable battery, and an accelerometer. A battery cassette is disclosed that provides a negative electrode at each end of the battery cassette, and a central connector that provides a positive electrode at both ends of the battery cassette. | 09-02-2010 |
20110012534 | PORTABLE LIGHTING DEVICES - A portable lighting device and method of operating the portable lighting device are disclosed. The portable lighting device is configured to operate using a portable source of power having a plurality of modes of operation. The portable lighting device comprises a main power circuit including a light source, an inertial sensor having a plurality of signal outputs, and a controller electrically connected to the outputs of the inertial sensor and the main power circuit in a manner to permit the controller to enter into a new mode of operation based on signals received from the outputs of the inertial sensor. One method of operating the portable lighting device is by positioning the portable lighting device to one of a plurality of predetermined positions to enter into one of a plurality of modes of operation. Each of the plurality of predetermined positions is associated with one of the plurality of modes of operation. | 01-20-2011 |
20110227500 | Multi-Mode Portable Lighting Device - A portable lighting device, such as a flashlight, with a mechanical power switch and multiple operating modes is provided. The mechanical power switch is disposed in series with the controller for the lighting device and acts as the user interface to the controller to change modes of operation. Because the mechanical power switch is in series with the controller, the portable lighting device does not consume battery power when the mechanical switch is open. A state machine coupled to the controller is polled by the controller each time it is powered up to determine the operational mode of the lighting device. A regulating circuit is used to power a controller and light source. The regulating circuit converts between current regulation and voltage regulation. | 09-22-2011 |
20120249018 | Multi-Mode Portable Lighting Device - A portable lighting device, such as a flashlight, with a mechanical power switch and multiple operating modes is provided. The mechanical power switch is disposed in series with the controller for the lighting device and acts as the user interface to the controller to change modes of operation. Because the mechanical power switch is in series with the controller, the portable lighting device does not consume battery power when the mechanical switch is open. A state machine coupled to the controller is polled by the controller each time it is powered up to determine the operational mode of the lighting device. | 10-04-2012 |
Patent application number | Description | Published |
20090284170 | CIRCUITRY FOR PORTABLE LIGHTING DEVICES AND PORTABLE RECHARGEABLE ELECTRONIC DEVICES - A flashlight with a circuit for reducing the initial surge of current that is sent through the lamp filament when a flashlight is turned on is provided. The circuit reduces the stresses placed on the lamp bulb when it is turned on, thereby extending the life expectancy of the lamp bulb. A flashlight with an electronic switch is also disclosed. | 11-19-2009 |
20100013394 | Ciruitry for portable lighting devices and portable rechargeable electronic devices - A portable rechargeable electronic device, such as a flashlight, with external charging contacts and a short protection circuit is disclosed. The short protection circuit electrically uncouples one of the exposed charging contacts from the rechargeable power supply for the device when the charging contacts are short circuited. The charging contact is uncoupled without opening the power circuit for the device; thus, the device can continue to operate while the charging contacts are shorted. The power supply for the device may be a rechargeable lithium-ion battery pack. | 01-21-2010 |
20120062150 | Thermally Self-Stabilizing 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. | 03-15-2012 |
20120133296 | Circuitry for portable lighting devices and portable rechargeable electronic devices - A portable electronic device, such as a flashlight, with a circuit for reducing the initial surge of current that is sent through the lamp filament when a flashlight is turned on is provided. The circuit reduces the stresses placed on the lamp bulb when it is turned on, thereby extending the life expectancy of the lamp bulb. A flashlight with beacon mode that produces light according to a duty cycle of less than 11% is also disclosed. | 05-31-2012 |
20120146552 | Portable lighting device with reconfigurable user interface - A portable lighting device that provides different user interfaces that may be selected by the user. Each user interface may provide one or more operational modes, such as on mode, power save mode, strobe mode or momentary mode. After a user interface is selected, the user may select on of the operational modes. The portable lighting device may be a flashlight. | 06-14-2012 |
20120262091 | Portable Lighting Devices - A flashlight having a locking mechanism for securing a head skirt to a head assembly is disclosed. A circuit for temporarily remember the mode of operation of the flashlight is also disclosed. | 10-18-2012 |
20140070720 | Circuitry for Portable Lighting Devices and Portable Rechargeable Electronic Devices - A portable electronic device, such as a flashlight, with a circuit for reducing the initial surge of current that is sent through the lamp filament when a flashlight is turned on is provided. The circuit reduces the stresses placed on the lamp bulb when it is turned on, thereby extending the life expectancy of the lamp bulb. A flashlight with beacon mode that produces light according to a duty cycle of less than 11% is also disclosed. | 03-13-2014 |
20150084540 | LED Flashlight - A lighting device with improved optical performance and efficiency is provided. The lighting device includes a source of energy, a light source, a reflector and a holder. The reflector has a first open end, a second end, and a parabolic profile extending between the first open end and second end. The focus of the parabolic profile is located outside of the profile. The reflector may also be movable relative to the light source. The lighting device may include a circuit that delivers a pulsed or thermally compensated pulsed current to the light source. The light device may also include a heat sink housing. | 03-26-2015 |