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7609005 |
Circuitry 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...
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7600884 |
Motion activated and selective light circuit
A motion activated light circuit is comprised of a motion activatable switch which effects switch closures upon displacement thereof for connecting a supply voltage to a pulse generator circuit...
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7579783 |
Microprocessor-controlled insertable flashlight adapter device
An insertable flashlight adapter device for use in an ordinary flashlight having a lamp includes a disc-like shaped housing unit. Electronic circuitry is disposed within the housing unit for...
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7579782 |
Circuitry 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...
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7573212 |
Automatic power control module for battery powered devices
A power control module which can be used to automatically open a power circuit for electrically operated devices, particularly battery operated devices, during predetermined periods of non-use. A...
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7535180 |
Semiconductor light emitting circuits including light emitting diodes and four layer semiconductor shunt devices
Semiconductor light emitting circuits include semiconductor light emitting diodes that are serially connected between a pair of input terminals. Four layer semiconductor devices, such as Shockley...
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7498749 |
Intelligent electrical switching device including a touch sensor user interface switch
The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of...
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7471049 |
Optical element driving circuit
Optical element driving circuits flexibly configure energy sources to cause a flash tube to produce illumination at one of multiple output intensities. The driving circuits allow a single strobe...
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7466082 |
Electronic circuit reducing and boosting voltage for controlling LED current
An electronic circuit comprises a switching voltage boosting circuit and a current regulating circuit for controlling current flowing through a solid state light source. A control circuit controls...
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7456586 |
Voltage controlled light source and image presentation device using the same
A device ( 300 ) includes a driver circuit ( 200 ) having a field effect transistor (FET) ( 30 ), acting as a current sink, a current sense network ( 10 ), an operational amplifier (opamp) ( 20 ),...
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7449839 |
Structure of LED lighting chain
A LED lighting chain is disclosed to include a front plug, a rear plug, an AC-DC converter formed of four rectifying diodes, and a LED serial set, wherein the LED serial set has a voltage dropping...
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7439944 |
Light emitting diode multiphase driver circuit and method
A method and a circuit for driving light emitting diodes (LEDs) in multiphase are provided. A string of LEDs divided into groups connected to each other in series is provided. Each group is coupled...
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7420332 |
LED lighting device
A first LED array including a first capacitor, LED blocks, and a second capacitor that are connected in series with each other, a second LED array having a similar configuration to the first LED...
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7394205 |
Power supply system method of use
A power supply system is provided that includes a power supply and at least one energy storage capacitor bank. A voltage monitor is coupled to the power supply and the energy storage capacitor...
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7375471 |
Charging circuit
A charging circuit has a battery 12 , switching element 14 , and resistor 16 for current detection arranged on the primary side of transformer 10 . Diode 18 and capacitor 20 for storing...
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7354174 |
Energy efficient festive lamp
The present invention relates to a novel energy saving decorative festive lamp that is ideally suited for use in clubs, restaurants, or decorative applications, where specialized lighting, such as...
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7336037 |
Intelligent electrical switching device
The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of...
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7333027 |
Power supply for LED signal
A power supply for a Light Emitting Diode (LED) traffic signal that controls the light intensity. The light intensity conforms to a predetermined pattern based on the input voltage root mean square...
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7315298 |
Apparatus for controlling CCFL and method for operating the same
A flashing apparatus controlled by an audio signal on a motherboard and a method for the same is proposed. The flashing apparatus has at least one cold cathode fluorescent lamp (CCFL), a...
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7315036 |
Multifunction multi-spectrum signalling device
A multifunction multi-spectrum signalling device comprising at least one source of electromagnetic radiation such as an LED which emits radiation according to predefined or programmable user...
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7295105 |
Turn indicator unit for a relay-controlled flasher
A turn indicator unit includes a light source, a matching module, and a current interrupter. The light source is coupled across an output side of a flasher. The matching module is coupled across...
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7262557 |
Apparatus for illuminating footwear
An apparatus for illuminating footwear includes a circuit combining a switch having a resilient spring and a light sensitive switch.
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7261433 |
Miniature flashlight having replaceable battery pack and multiple operating modes
A method and apparatus are provided for operating a flashlight using a light emitting diode as a primary light source. The method includes the steps of activating the light emitting diode as the...
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7256689 |
Flashing device for vehicle
A flashing device for a vehicle includes a power filtering unit connected to a power source for outputting a negative voltage after filtration, a detecting unit for detecting the negative voltage...
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7230392 |
Analog control of light sources
Analog control of a plurality of light sources, such as light-emitting diodes (LEDs), to generate multiple colors of light. An electronic circuit controls three or more analog outputs in response...
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7207688 |
Interactive shoe light device
An interactive shoe light device includes at least one power source, at least one motion switch to generate an activation signal in response to an electrical engagement within the motion switch,...
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7199704 |
Vehicular flasher unit having selectable flasher schemes illuminated with pulse width modulated signals
In one illustrative example, a vehicular flasher unit has control circuitry; memory which is accessible by the control circuitry and having a plurality of pulse width modulation (PWM) flasher...
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7190120 |
Airport strobe light monitoring system
An airport strobe lighting system includes a BCD source of pulses generating trigger voltages for a plurality of strobe lamps and a sensor circuit for comparing confirmation signals with the...
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7157860 |
Control device for flashlight systems in airports
A control for a flashlight system in an airport, includes flash units which are connected to an energy supply line and, on the output side, to respective flashlights of the flashlight system via a...
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7129856 |
Illuminated sign for traffic control and method for functional monitoring of such a sign
An illuminated sign is for traffic control, in particular for road traffic, and includes light sources for generation of the sign and a monitoring device for functional monitoring of the light...
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7122973 |
Light-generating apparatus control system
A control system for a light-generating apparatus can include a control cyclically operating a switching element in series with the circuit including the apparatus's power source and light. Upon...
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7116061 |
Brightness controllable flashlights
Flashlights having selectively controllable brightness levels, a preferred embodiment of which comprises in combination: a battery; a light emitter assembly; a switch in circuit with the battery...
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7109664 |
LED light with blaze-like radiance effect
This invention concerns a LED light which emits blaze-like radiance comprising a negative prop stand, with one end extending to a negative receiver which can connect to the negative power supply, a...
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7106007 |
Flashlight lamp circuit with automatic light adjustment
A flashlight lamp circuit with automatic light adjustment includes a flashlight charging unit for controlling charging of a main capacitor, a flashlight activation unit activating the flashlight...
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7088054 |
Apparatus for emitting pulses of light and systems employing such apparatus
An apparatus with a flash lamp can trigger a flash of light by application of an ignition pulse. The apparatus encompasses a first capacitor, a second capacitor, a switching element and a control...
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7078861 |
Vehicle lamp controlling device and vehicle lamp controlling method
A vehicle lamp controlling device ( 1 ) is provided with a first driving circuit ( 11 ) for driving a lamp (L), a first control system ( 5 ) for turning the lamp (L) on by driving the first driving...
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7075250 |
Three-component protective head gear powered by a rechargeable battery
A three-component, protective headgear or helmet is provided with a battery-powered LED head lamp, which may be used by construction workers, search and rescue persons, cyclists, police, fireman,...
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7067986 |
Frequency controlled lighting system
A method and apparatus for illuminating lighting elements in one or more predetermined patterns. A preferred frequency controlled lighting system implementing this method includes a motion switch,...
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7057354 |
Frequency controlled lighting system
A method and apparatus for illuminating lighting elements in one or more predetermined patterns. A preferred frequency controlled lighting system implementing this method includes a motion switch,...
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7045965 |
LED light module and series connected light modules
A lighting module with improved reliability including a pair of LEDs connected in parallel and with the same polarity and a method for making the said light module are disclosed. The parallel LEDs...
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7030571 |
Stroboscopic illuminator
A photographic illumination system, comprising a first stroboscopic flash tube, for emitting an intense broadband illumination pulse comprising ultraviolet rays; a second stroboscopic flash tube,...
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7030565 |
Lamp control circuit with selectable color signals
The present invention describes a control circuit to be used in a lamp adapter that gives the user the ability to flash the main bulb on and off and, at the same time, flash a colored LED to...
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7029140 |
Flashing light system with multiple voltages
Flashing lights may be added to footwear or other objects worn by persons. Flashing light systems are necessarily compact, consisting primarily of flashing lights and a power-and-control circuit...
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7026768 |
Apparatus flashing lights in sequences indicating directions of movement in response to detected fire conditions and in response to an electrical power failure
A direction-indicating device includes a control unit, which is plugged into an external power source, and a number of interconnected lights, extending in a first direction. When the external power...
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7015650 |
Circuit devices, circuit devices which include light emitting diodes, assemblies which include such circuit devices, flashlights which include such assemblies, and methods for directly replacing flashlight bulbs
A circuit device for providing energy to at least one electrical component, such as a light emitting diode (LED). The circuit device comprises a positive contact, an inductor, a diode and a...
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7012379 |
Cuttable illumination device
A cuttable illumination device has a first lamp, a second lamp, a current source element, and a voltage breakdown element connected such that the first lamp may be removed from the device without...
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7004598 |
Flashing light system with power selection
Illuminating devices may be added to footwear or other objects worn by persons. The illuminating devices are necessarily compact in nature, consisting primarily of flashing lights and a...
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6989635 |
Vehicular lamp with current limiting circuit
A vehicular lamp used in a vehicle, includes: a light source for emitting light in accordance with power given thereto; a lamp body for accommodating the light source and protecting the light...
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6974225 |
Sequence lighting system for footwear
A lighting system with plurality of displaying sequences for a footwear comprises a plurality of light emitting sources; a power source for providing power; a switch turning “on” or “off”...
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6965203 |
Method and circuit for repetitively firing a flash lamp or the like
Disclosed is a method and circuit for repetitively firing a flash lamp. The method utilizes a power supply having a periodic voltage signal. The method times the discharge of the flash lamp to...
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