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Ketra Inc patents


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

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


Keypad with color temperature control as a function of brightness among scenes and the momentary or persistent override and reprogram of a natural show and method thereof

An illumination system and method is provided for readily mapping a plurality of scenes along a dimcurve form a natural show for one or more groups of led illumination devices. Mapping can be performed using a graphical user interface on a remote controller wirelessly linked to the illumination devices. ... Ketra Inc

Illumination device, system and method for manually adjusting automated fading of color temperature changes to emulate exterior daylight

An illumination device, system and method are provided herein for emulating sunlight along a daytime or nighttime locus. Sunlight is emulated depending on the path length of the sun relative to a structure containing the illumination device and system. ... Ketra Inc

Illumination device, system and method for manually adjusting automated changes in exterior daylight among select groups of illumination devices placed in various rooms of a structure

An illumination device, system and method are provided herein for emulating sunlight along a daytime or nighttime locus. Sunlight is emulated depending on the path length of the sun relative to a structure containing the illumination device and system. ... Ketra Inc

Illumination device, system and method for manually adjusting automated periodic changes in emulation output

An illumination device, system and method are provided herein for emulating sunlight along a daytime or nighttime locus. Sunlight is emulated depending on the path length of the sun relative to a structure containing the illumination device and system. ... Ketra Inc

Keypad with color temperature control as a function of brightness among scenes and the momentary or persistent override and reprogram of a natural show and method thereof

An illumination system and method is provided for readily mapping a plurality of scenes along a dimcurve form a natural show for one or more groups of led illumination devices. Mapping can be performed using a graphical user interface on a remote controller wirelessly linked to the illumination devices. ... Ketra Inc

Global keypad for linking the control of shows and brightness among multiple zones illuminated by light emitting diodes arranged among a structure

An illumination system and method is provided for readily mapping a plurality of scenes along a dimcurve form a natural show for one or more groups of led illumination devices. Mapping can be performed using a graphical user interface on a remote controller wirelessly linked to the illumination devices. ... Ketra Inc

Recessed downlight fixture and method for installing and universally adjusting the fixture in a retrofit application

A recessed downlight fixture and method for installation is provided. The recessed downlight fixture can be installed in a retrofit application, after a ceiling is installed, through a pre-existing opening in that ceiling. ... Ketra Inc

Recessed downlight fixture and method for installing the fixture and adjusting the fixture collar opening

A recessed downlight fixture and method for installation is provided. The recessed downlight fixture can be installed in a retrofit application, after a ceiling is installed, through a pre-existing opening in that ceiling. ... Ketra Inc

Recessed downlight fixture and method for installing and universally adjusting the fixture in a new construction application

A recessed downlight fixture and method for installation is provided. The recessed downlight fixture can be installed in a retrofit application, after a ceiling is installed, through a pre-existing opening in that ceiling. ... Ketra Inc

System and method for ensuring minimal control delay to grouped illumination devices configured within a wireless network

A lighting control system and method is disclosed for not only controlling visual content loaded within a group set of illumination devices configured within a wireless network, but also for ensuring minimal control delay to those grouped devices. The lighting control system can include a lighting controller device that controls a plurality of lamps within a mesh network, not only to group those lamps but also to assign content to lamps within that group. ... Ketra Inc

Illumination device and method for decoupling power delivered to an led load from a phase-cut dimming angle

An illumination device and method are provided for controlling light emitting diodes (leds). The leds (specifically, the led loads) are controlled, e.g., brightness and color of the led loads, independent of a phase-cut dimmer applied to the ac mains feeding a dc power supply. ... Ketra Inc

Total internal reflection lens having a straight sidewall entry and a concave spherical exit bounded by a compound parabolic concentrator outer surface to improve color mixing of an led light source

A multi-color led illumination device and specifically a lens comprising a cylindrical opening extending into the lens from a light entry region at which one or more leds are configured. A concave spherical surface extends across the entirety of the light exit region of the lens, and a tir outer surface shaped as a cpc extends between the light entry region and the light exit region. ... Ketra Inc

Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time

An illumination device and method is provided herein for calibrating individual leds in the illumination device, so as to obtain a desired luminous flux and a desired chromaticity of the device over changes in drive current, temperature, and over time as the leds age. The calibration method may include subjecting the illumination device to a first ambient temperature, successively applying at least three different drive currents to a first led to produce illumination at three or more different levels of brightness, obtaining a plurality of optical measurements from the illumination produced by the first led at each of the at least three different drive currents, obtaining a plurality of electrical measurements from the photodetector and storing results of the obtaining steps within the illumination device to calibrate the first led at the first ambient temperature. ... Ketra Inc

Intelligent illumination device

Intelligent illumination device are disclosed that use components in an led light to perform one or more of a wide variety of desirable lighting functions for very low cost. The leds that produce light can be periodically turned off momentarily, for example, for a duration that the human eye cannot perceive, in order for the light to receive commands optically. ... Ketra Inc








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