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Vehicular Impact Signaling Device
An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.
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| Number | Title | Issue Date |
| 7286764 | Reconfigurable modulator-based optical add-and-drop multiplexer An optical add and drop multiplexer system comprising a first module for providing a first signal; a second module for providing a second signal; and a modulator for receiving a channel of the first signal at a first location, the first location configured to actuat... | 10/23/2007 |
| 7267711 | Electrostatic precipitator for diesel blow-by A compact electrostatic precipitator is designed specifically for use in connection with eliminating particles from crankcase emissions of a Diesel engine. Such emissions may carry solid soot particles as well as suspended oil droplets. The electrostatic precipitato... | 09/11/2007 |
| 7177081 | High contrast grating light valve type device A grating light valve has with a plurality of spaced reflective ribbons are spatially arranged over a substrate with reflective surfaces. The grating light valve is configured to optimized the conditions for constructive and destructive interference with an incident... | 02/13/2007 |
| 7112238 | Electronic air filter with resistive screen and electronic modular assembly A polarized media electronic air filter assembly has an electronics box mounted along one side by a slid-in fit into an open, receiving channel. Arcing between screens is reduced by using a relatively resistive material for at least one of the screens exposed to arc... | 09/26/2006 |
| 7068434 | Sheeting with composite image that floats Microlens sheetings with composite images are disclosed, in which the composite image floats above or below the sheeting, or both. The composite image may be two-dimensional or three-dimensional. Methods for providing such an imaged sheeting, including by the applic... | 06/27/2006 |
| 7068372 | MEMS interferometer-based reconfigurable optical add-and-drop multiplexor The interferometer comprises a beam splitter, a mirror and a phase modulator. The beam splitter splits a signal into a first portion and a second portion. The mirror reflects the first portion. The first portion includes an optical path length, which is fixed. The p... | 06/27/2006 |
| 7057819 | High contrast tilting ribbon blazed grating The light modulator includes elongated elements and a support structure coupled to the elongated elements. Each element includes one or more lengthwise slits within an active optical area, and a light reflective planar surface with the light reflective planar surfac... | 06/06/2006 |
| 7054515 | Diffractive light modulator-based dynamic equalizer with integrated spectral monitor An integrated device of the present invention comprises free-space optics, a bi-directional multiplexor/de-multiplexor, a diffractive light modulator, a beam splitter, an optical performance monitor, and a controller. The free-space optics collimate, transform and i... | 05/30/2006 |
| 7049164 | Microelectronic mechanical system and methods The current invention provides for encapsulated release structures, intermediates thereof and methods for their fabrication. The multi-layer structure has a capping layer, that preferably comprises silicon oxide and/or silicon nitride, and which is formed over an et... | 05/23/2006 |
| 7042611 | Pre-deflected bias ribbons A modulator for and a method of modulating an incident beam of light including means for supporting a plurality of active elements and a plurality of bias elements, each active and bias element including a light reflective planar surface with the light reflective pl... | 05/09/2006 |
| 7027202 | Silicon substrate as a light modulator sacrificial layer An optical MEM device is fabricated with a patterned device layer formed on a silicon wafer. Preferably, the patterned device layer is patterned with plurality of ribbons and/or access trenches. The central portion of the ribbon is released from the silicon wafer us... | 04/11/2006 |
| 6956995 | Optical communication arrangement An arrangement for optical communication comprises an optical coupler, an opto-electronic board, and an optical fiber. The optical fiber comprises a first refraction surface, a second refraction surface, and an internal reflector. The first refraction surface has a ... | 10/18/2005 |
| 6947613 | Wavelength selective switch and equalizer A device comprising a light modulator including a plurality of elements wherein each element is selectively operable such that the plurality of elements are dynamically configurable to combine selected ones of a plurality of grating periods such that selected portio... | 09/20/2005 |
| 6934070 | Chirped optical MEM device A light modulator comprises a series of ribbons divided by a series of gaps. Sequences of consecutive ribbons and gaps are grouped together to form a plurality of pixels that are configured to process a respective plurality of wavelengths. The spacing from center-li... | 08/23/2005 |
| 6927891 | Tilt-able grating plane for improved crosstalk in 1×N blaze switches A light modulator includes elongated elements arranged parallel to each other. Each elongated element includes a light reflective planar surface with the light reflective planar surfaces configured in a first grating plane. A support structure is coupled to the elon... | 08/09/2005 |
| 6928207 | Apparatus for selectively blocking WDM channels An apparatus for selective blocking WDM channels comprises a light modulator, a diffraction grating, and a transform lens. The light modulator comprises an array of pixels. Each pixel of the light modulator is selectively operable to direct light into a first mode a... | 08/09/2005 |
| 6922272 | Method and apparatus for leveling thermal stress variations in multi-layer MEMS devices A MEMS device such as a grating light valve™ light modulator is athermalized such that the force required to deflect the movable portion of the MEMS device remains constant over a range of temperatures. In MEMS embodiments directed to a grating light valve™ ligh... | 07/26/2005 |
| 6916238 | Canopy air delivery system An area air delivery system for delivery of filtered air to an area occupiable by a user who can enter and leave the area, such as the head end of a bed, includes a canopy for at least partially surrounding the area to which air is to be supplied and defining the ar... | 07/12/2005 |
| 6908201 | Micro-support structures A MEM device in accordance with the invention comprises one or more movable micro-structures which are preferably ribbon structures or cantilever structures. The ribbon structures or cantilever structures are preferably coupled to a substrate structure through one o... | 06/21/2005 |
| 6839251 | Apparatus and method for filtering voltage for an electrostatic precipitator An apparatus and method for controlling voltage applied to an electrostatic precipitator is disclosed. This apparatus includes a pulsating, direct current, voltage mechanism that is operable to receive power from a single phase, alternating current voltage source, a... | 01/04/2005 |
| 6368391 | Electronically enhanced media air filtration system Disclosed is a portable air filtration system for removing contaminants from room air. In one embodiment, the air filtration system comprises a power supply and an air blower module electrically connected to the power supply. The air filtration system fur... | 04/09/2002 |
| 5820660 | Air cleaner having improved dust collector An air cleaner having an improved dust collector is provided. The dust collector can be readily removed for cleaning since the dust collector is directly attached to the rear cover of the filter, such that it can be removed together with the rear cover fo... | 10/13/1998 |
| 5622543 | Rectilinear turbulent flow type air purifier An air purifier including a housing, a front cover, a front wire gauze filter, an anion generating pin board, a dust collector, and an active carbon filter, wherein: the housing has a plurality of parallel tracks horizontally disposed at different elevati... | 04/22/1997 |
| 4828586 | Cartridge type electronic air filter This invention relates to an electronic air filter of the charged media type in which the filter media and screens form a disposable cartridge. The high voltage power supply, which is made long and slender, attaches to the side of the cartridge and it is ... | 05/09/1989 |
| 4652988 | Plug-in power module for electrostatic air cleaner A power module for an electrostatic air cleaner in which an electronic power supply circuit and its components are enclosed within a relatively small modular housing having an AC voltage input in the form of plug-in blades particularly adapted to be inser... | 03/24/1987 |
| 4341537 | Shorting and test mechanism for electrostatic air cleaner A shorting and test mechanism for an electrostatic air cleaner uses an electrically conductive spring element attached to an access door to the air cleaner whereby an opening movement of the door effects a motion of the spring to contact the high voltage ... | 07/27/1982 |
| 4140498 | In-the-wall-mounted electrostatic air cleaner An electrostatic air cleaner includes a casing adapted to be mounted in a ceiling or sidewall between ceiling joists or sidewall studs, the casing having an adjustable outlet, a grille and pre-filter detachably connected to its inlet or room side, and an ... | 02/20/1979 |
