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Aleddra Inc patents


Recent patent applications related to Aleddra Inc. Aleddra Inc is listed as an Agent/Assignee. Note: Aleddra Inc may have other listings under different names/spellings. We're not affiliated with Aleddra Inc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "A" | Aleddra Inc-related inventors


Solid-state lighting with auto-select settings for line voltage and ballast voltage

An led lamp, comprising a first full-wave rectifier, a ballast operation circuit, an led driving circuit, led array(s), and an optocoupler, replaces a fluorescent tube or a conventional led tube lamp in lamp fixture sockets that are wired to connect to either ac mains or a ballast. The ballast operation circuit, comprising two frequency sensitive devices, a second full-wave rectifier, and two or more diodes connected in series, auto-selects an input ac voltage to operate the led lamp without ambiguity and safety issues. ... Aleddra Inc

Linear solid-state lighting with reliable electric shock current control free of fire hazard

A linear light-emitting diode (led) lamp comprising a housing, two lamp bases at two ends of the housing, a full-wave rectifier, an led driving circuit, led arrays, two displacement sensors, and two pairs of electrical contacts controlled by the two displacement sensors, is used to replace a fluorescent tube or a conventional led tube lamp. The two displacement sensors and the two pairs of electrical contacts are configured to respectively perform position sensing for electric shock hazards. ... Aleddra Inc

Linear solid-state lighting with low voltage control free of electric shock and fire hazard

A linear light-emitting diode (led) lamp comprising a housing, two lamp bases at two ends of the housing, a full-wave rectifier, an led driving circuit, one or more led arrays, at least two proximity sensors, and at least two pairs of electrical contacts controlled by the at least two proximity sensors, is used to replace a fluorescent tube or a conventional led tube lamp. The at least two proximity sensors and the at least two pairs of electrical contacts configured to respectively perform proximity sensing between the two lamp bases and two sockets in an existing lamp fixture are operated by using a low dc voltage. ... Aleddra Inc

Linear solid-state lighting with front end electric shock detection

A linear light-emitting diode (led)-based solid-state lamp comprises a front-end electric shock detection and control module, an led driving circuit, and led arrays. The front-end electric shock detection and control module comprises at least one full-wave rectifier, at least one half-wave rectifier, a constant current sink connected to the at least one half-wave rectifier, a signal extraction unit, a switch control unit, and at least one switch. ... Aleddra Inc

Omnidirectional lighting device

An omnidirectional lighting device may include a driver base and a plurality of elongated light sources. The driver base may include a driver configured to convert an external alternating-current (ac) power to a direct-current (dc) power and supply the dc power to the plurality of elongated light sources. ... Aleddra Inc

Linear solid-state lighting with electric arc detection and prevention free of fire hazard

A linear light-emitting diode (led)-based solid-state lamp comprises an led driving circuit, led arrays, a rectifier configured to convert an input ac voltage into a dc voltage, and an electric arc detection and current control module. The electric arc detection and current control module comprises a first derivative circuit configured to detect voltage variations from the dc voltage provided by the rectifier. ... Aleddra Inc

Linear solid-state lighting with electric shock prevention

A linear light-emitting diode (led)-based solid-state lamp comprises an led driving circuit, led arrays, at least one rectifier, and an electric current flow control module. The led driving circuit comprises a control loop compensation device with a control loop correction signal to precisely control an electric current to flow into the led arrays. ... Aleddra Inc

Solid-state lighting luminaire with a uniform illumination output

A light-emitting diode (led) luminaire adopts led light sources (leds) and a corrugated light exit window. Light rays emitting at different angles from the leds launch onto the corrugated light exit window with numerous light images of the leds. ... Aleddra Inc

Multi-tube led lighting device

A lighting device may include a driver base and a plurality of elongated light tubes. The driver base may include a driver configured to convert an external alternating-current (ac) power to a direct-current (dc) power and supply the dc power to the plurality of elongated light tubes. ... Aleddra Inc

Linear solid-state lighting with electric shock current sensing

A linear light-emitting diode (led)-based solid-state lamp comprises an led driving circuit, led arrays, at least one rectifier, and an operation monitoring module. The led driving circuit comprises a current sensing device that is originally used to precisely control an electric current to flow into the led arrays. ... Aleddra Inc

Solid-state lighting control with dimmability and color temperature tunability using low voltage controller

A dimming and correlated color temperature (cct) tuning lighting system comprises a controller and multiple light-emitting diode (led)-based lighting devices. Each lighting device comprises a control circuit, at least two led driving circuits, and at least two types of led-based light sources. ... Aleddra Inc

Linear solid-state lighting with galvanic isolation

A linear light-emitting diode (led)-based solid-state lamp comprising an led driving circuit, led arrays, at least one pair of electrical contacts, and a controller, is used to replace a fluorescent tube or a conventional led tube lamp in an existing lamp fixture. The controller and the at least one pair of electrical contacts are configured to perform galvanic isolation between the controller and the led driving circuit connecting with led arrays. ... Aleddra Inc

Add-on ips controller for led lighting device

An add-on ips (indoor positioning system) controller for an led lighting device includes a power input port, a power output port, a housing, a control unit in the housing, and at least one data signal receiver in the control unit. A power input of the control unit is connected to the power input port. ... Aleddra Inc








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