"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7405857 | Light emitting diode (LED) device and method of making same A light managing screen may provide a rear projection screen, front projection screen or component thereof. The screen may comprise a polymeric composition including a first polymeric material, and a second polymeric material disposed as a plurality of elongated str... | 07/29/2008 |
| 7382958 | Photonic crystal wave guide optical spectrometer An optical instrument for splitting optical spectrum, comprising a series of hollow core optical wave guides (12, 22, and so on) connected by optical couplers (16, 26, and so on) transporting broad band incident optical wave from one stage to another, ... | 06/03/2008 |
| 7365895 | Display device A display device comprising the following arranged from light input side in the order listed below: a first reflector having a semi-transmissive and semi-reflective property; a translucent porous body having a plurality of pores in which a translucent material is fi... | 04/29/2008 |
| 7355780 | System and method of illuminating interferometric modulators using backlighting An interferometric modulator array device with backlighting is disclosed. The interferometric modulator array device comprises a plurality of interferometric modulator elements, wherein each of the interferometric modulator elements comprises an optical cavity. The ... | 04/08/2008 |
| 7317465 | Image display system and method A method of displaying an image may include receiving image data for the image, and defining first and second sub-frames of the image. The first and second sub-frames may have corresponding pluralities of image elements, with each image element of the second sub-fra... | 01/08/2008 |
| 7295726 | Gimbal-less micro-electro-mechanical-system tip-tilt and tip-tilt-piston actuators and a method for forming the same Fully monolithic gimbal-less micro-electro-mechanical-system (MEMS) devices with large static optical beam deflection and fabrications methods are disclosed. The devices can achieve high speed of operation for both axes. Actuators are connected to a device, or devic... | 11/13/2007 |
| 7268940 | Illuminating device An illuminating device, as for a microscope, includes a light source and a reflecting filter system. The beam of light of the light source undergoes a plurality of reflections in the reflecting filter system. The entering beam of the reflecting filter system has an ... | 09/11/2007 |
| 7221495 | Thin film precursor stack for MEMS manufacturing This invention provides a precursor film stack for use in the production of MEMS devices. The precursor film stack comprises a carrier substrate, a first layer formed on the carrier substrate, a second layer of an insulator material formed on the first layer, and a ... | 05/22/2007 |
| 7207678 | Prism for high contrast projection Prism elements having TIR surfaces placed in close proximity to the active area of a SLM device to separate unwanted off-state and/or flat-state light from the projection ON-light bundle. The TIR critical angle of these prisms is selected to affect either the off-st... | 04/24/2007 |
| 7172288 | Display device including a spatial light modulator with plural image regions A display device includes a spatial light modulator and a light generator. The spatial light modulator may have an array of modulating elements with a plurality of image regions. The light generator may be configured to direct a different one of a plurality of subst... | 02/06/2007 |
| 7167297 | Micromirror array In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 01/23/2007 |
| 7165851 | Optical frequency linear chirp variable unit A linear opto-frequency chirp amount variable apparatus using a dielectric multilayer film mirror, which does not require the optical axis to be realigned each time the amount of a chirp is to be varied includes a pair of opposed, parallel, dielectric, multilayer fi... | 01/23/2007 |
| 7164520 | Packaging for an interferometric modulator A package is made of a transparent substrate having an interferometric modulator and a back plate. A non-hermetic seal joins the back plate to the substrate to form a package, and a desiccant resides inside the package. A method of packaging an interferometric modul... | 01/16/2007 |
| 7075705 | Method for wavelength-selective mixing and/or distribution of polychromatic light A method for wavelength-selective mixing and/or distribution of polychromatic light. When mixing polychromatic light, lights having only one wavelength are successively fed to each member of a selective chain to form a partial spectrum, and when distributing chromat... | 07/11/2006 |
| 7057794 | Micromirror for MEMS device A micromirror which includes a substrate, a reflective layer comprising pure aluminum overlying the substrate and a protective layer comprising titanium nitride overlying the reflective layer is disclosed. ... | 06/06/2006 |
| 7042643 | Interferometric modulation of radiation An Interferometric Modulator (IMod) is a microelectromechanical device for modulating light using interference. The colors of these devices may be determined in a spatial fashion, and their inherent color shift may be compensated for using several optical compensati... | 05/09/2006 |
| 7027207 | Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements A spatial light modulator includes an upper optically transmissive substrate held above a lower substrate containing addressing circuitry. One or more electrostatically deflectable elements are suspended by hinges from the upper substrate. In operation, individual m... | 04/11/2006 |
| 7023607 | Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements A spatial light modulator including first and second substrate, and an array of deflectable elements disposed within a gap between the first and second substrates is disclosed herein. For electrostatically actuating the deflectable elements, an array of electrodes a... | 04/04/2006 |
| 7023606 | Micromirror array for projection TV In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 04/04/2006 |
| 7022978 | Method and apparatus including in-resonator imaging lens for improving resolution of a resonator-enhanced optical system A method and apparatus including in-resonator imaging lens for improving resolution of a resonator-enhanced optical system provides resolution improvements for optical inspection and measurement systems, optical storage and retrieval systems as well as other optical... | 04/04/2006 |
| 7012731 | Packaged micromirror array for a projection display In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 03/14/2006 |
| 7012733 | Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements A spatial light modulator including first and second substrate, and an array of deflectable elements disposed within a gap between the first and second substrates is disclosed herein. For electrostatically actuating the deflectable elements, an array of electrodes a... | 03/14/2006 |
| 7009754 | Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements A spatial light modulator includes an upper optically transmissive substrate held above a lower substrate containing addressing circuitry. One or more electrostatically deflectable elements are suspended by hinges from the upper substrate. In operation, individual m... | 03/07/2006 |
| 7006275 | Packaged micromirror array for a projection display In order to minimize light diffraction along the direction of switching and more particularly light diffraction into the acceptance cone of the collection optics, in the present invention, micromirrors are provided which are not rectangular. Also, in order to minimi... | 02/28/2006 |
| 6975444 | Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements A spatial light modulator includes an upper optically transmissive substrate held above a lower substrate containing addressing circuitry. One or more electrostatically deflectable elements are suspended by hinges from the upper substrate. In operation, individual m... | 12/13/2005 |
| 6947200 | Double substrate reflective spatial light modulator with self-limiting micro-mechanical elements A spatial light modulator includes an upper optically transmissive substrate held above a lower substrate containing addressing circuitry. One or more electrostatically deflectable elements are suspended by hinges from the upper substrate. In operation, individual m... | 09/20/2005 |
| 6947229 | Etalon positioning using solder balls Two etalons in series may be angled to reduce parasitic reflections in the space between the two. The etalons may be soldered on either side of a post having an aperture there through to allow light to pass. Various sized solder balls and/or solder pads may be used ... | 09/20/2005 |
| 6903487 | Micro-mirror device with increased mirror tilt A micro-mirror device includes a substrate, at least one electrode formed on the substrate, and a reflective element spaced from the substrate and extending beyond the at least one electrode. The reflective element is adapted to move between a first position and at ... | 06/07/2005 |
| 6373620 | Thin film electro-optic beam steering device A light beam deflector comprising a modified asymmetric Fabry-Perot (Gires-Tournois) etalon having a back reflecting and electrically conducting mirror and a front partially transmitting mirror spaced apart by an electro-optic material, there also being a... | 04/16/2002 |
| 6232936 | DMD Architecture to improve horizontal resolution A method and device for increasing the effective horizontal resolution of a display device. One embodiment forms a cardinal array of digital micromirror elements by staggering alternate rows in an array. According to a second embodiment, an ordinal pixel ... | 05/15/2001 |
| 6169634 | Illumination techniques for overcoming speckle artifacts in metrology applications A method and apparatus for converting a beam of light that is substantially coherent and has a coherence length into substantially incoherent radiation. The method has the steps of collimating the beam, delaying a first portion of the beam by a first opti... | 01/02/2001 |
| 5850308 | Scanning arrangement for fast access of memory and display An access system based on piezo-electric transducer assembly or electro-optic device light beam deflector assembly which on application of electric signals deflects light beams, which are then passed through total internally reflecting surfaces to increas... | 12/15/1998 |
| 5490009 | Enhanced resolution for digital micro-mirror displays A display system (20) that uses multiple SLMs (25) to enhance horizontal or vertical resolution, or both. For example, to approximate a two-fold increase in horizontal resolution, the input data is sampled at a doubled rate, and each SLM (25) receives eve... | 02/06/1996 |
| 5471290 | Image forming apparatus An image forming apparatus for continuously feeding sheets and transferring images thereon, includes an endless type rotatable image forming body, an image forming unit for forming an image on the image forming body, a transfer unit for transferring the i... | 11/28/1995 |
| 5452121 | Variable spectral resolution agile filter A variable spectral resolution agile filter has instantly adjustable spectral resolution with no required mechanical motion and a quickly adjustable center wavelength. Adjustment of the center wavelength is accomplished by reliable piezoelectric actuators... | 09/19/1995 |
| 5291566 | Total internal reflection electro-optic modulator for multiple axis and asymmetric beam profile modulation The total internal reflection modulator has an electrode array distributed across an area of the reflecting surface of the electro-optic material. The electrode array has multiple sets of electrodes forming an outer rectangle interdigitated with at least ... | 03/01/1994 |
| 4956619 | Spatial light modulator A deflectable beam spatial light modulator formed from a structure of a reflecting layer, typically metal, on a spacer layer, typically photoresist, which in turn is on a substrate containing electronic addressing circuitry is disclosed. Also, the method ... | 09/11/1990 |
| 4813774 | Skewed rhombus ring laser gyro A ring laser gyro uses a nonplanar equilateral (skew rhombus) ring path. In the preferred embodiment, the mirrors used to produce such path are mounted on a supporting cube having passages cut in the path of a beam of electromagnetic energy propagating th... | 03/21/1989 |
| 4403833 | Electrooptical multipliers Apparatus (FIG. 2) receives light (11) in an input direction (12) and controls the directions in which portions of it travel through regions (13,14) to emerge (at 15) in an output direction (16) with intensity responsive to the product of two electrical p... | 09/13/1983 |
| 4376568 | Thick film line modulator A thick film line modulator/scanner (50) for use in an electro-optic line printer (14). A light valve utilizes a thin electro-optic layer (212) with the index of refraction of the layer being higher than the neighboring material so that the light can be g... | 03/15/1983 |