...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
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| Number | Title | Issue Date |
| 8149509 | Projection screen and method of constructions A projection screen apparatus having a retention member configured, in use, to be in contact with at least one surface of a screen along at least a portion of at least one edge of the screen. The projection screen may include polymeric material and the retention mem... | 04/03/2012 |
| 7692859 | Optical system for 3-dimensional display An optical system that can add an optical depth information to a two-dimensional image (72) represented by substantially collimated light, e.g. by using a collimated light source in front of a LCD display. The optical system includes a first array of optical ... | 04/06/2010 |
| 7425072 | Method and apparatus for displaying 3-D image An apparatus for displaying a 3-D image has a projector, and a projection controller. The projector has a projection optical system, and projects a series of 2-D images on different projected-positions in a depth direction, in order, by using light passing through t... | 09/16/2008 |
| 7404642 | Autostereoscopic display An autostereoscopic display having an improved 2D/3D mode switchable structure, including a display device to display an image, and a parallax barrier unit to transmit all incident light in a 2D mode and to separate a left-eye image and a right-eye image by forming ... | 07/29/2008 |
| 7401924 | Projection system and method A method and system are provided for projecting a three dimensional image. A projection system may include a holding tank for storing a reservoir containing a projection medium and a projector including a plurality of valves for projecting the medium from the holdin... | 07/22/2008 |
| 7385600 | Three dimensional display method, system and apparatus A system, method and apparatus for providing a two dimensional image that will be perceived by the human visual perception system as a three dimensional image is disclosed. The system and apparatus preferably employ a transparent rear projection screen onto which an... | 06/10/2008 |
| 7357510 | Projection-type 3-D image display device using single projector A projection-type 3-D image display device includes a single display element, a polarization conversion switch, a first image shifter, a second image shifter, a projection lens unit, a mirrored light tunnel, and a screen unit. The screen unit includes an image separ... | 04/15/2008 |
| 7286128 | System and method for rendering data associated with a 3-D scene description A system and a method for rendering data associated with a 3-D scene description are provided. The system includes a graphics processing unit configured to operably communicate with a communications bus. The graphics processing unit is further configured to receive ... | 10/23/2007 |
| 7277226 | Radial multiview three-dimensional displays A 3D display may comprise a rotating optical diffuser screen; and a projector for projecting images through the rotating optical diffuser screen. The rotating optical diffuser screen may be structured to optically create an exit pupil, said exit pupil having a limit... | 10/02/2007 |
| 7258438 | Retinal flux density meter and method of use A system for approximating flux density of light on a human retina. A housing has an opening allowing light to pass to inside the housing. A baffle coupled to the housing replicates a facial cutoff function response for the light inside the housing. Two detectors ar... | 08/21/2007 |
| 7230777 | Lens unit and compact image pickup module The lens unit includes an imaging lens including lenses, each of which includes a lens portion having an optical function and a flange portion on a periphery of the lens portion, and a ring-shaped lens holding member provided between the lenses and holds at least on... | 06/12/2007 |
| 7229176 | Device for displaying imagery three-dimensionally Device for displaying imagery three-dimensionally, which comprises a first image reproduction element having an image reproduction surface and a second image reproduction element having an image indication surface of reflective property. Those image reproduction and... | 06/12/2007 |
| 7227568 | Dual polarizing light filter for 2-D and 3-D display A stereoscopic display and record component, more specifically a dual polarizing light filter, and the methods of applying the component for stereoscopic image displaying and stereoscopic image recording, are disclosed. A dual polarizing light filter may be statical... | 06/05/2007 |
| 7227510 | Method and apparatus for seamless integration of images using a transmissive/reflective mirror An integrated display system includes multiple displays and a transmissive/reflective mirror with a mirror face. Images from display areas of one or more displays are passed through the mirror face and provided to a viewer. Images from display areas of one or more d... | 06/05/2007 |
| 7222966 | Projection system and method A method and system are provided for projecting a three dimensional image. A projection system may include a holding tank for storing a reservoir containing a projection medium and a projector including a plurality of valves for projecting the medium from the holdin... | 05/29/2007 |
| 7221794 | Foreground detection A system is disclosed that can find an image of a foreground object in a still image or video image. Finding the image of the foreground object can be used to reduce errors and reduce the time needed when creating morphs of an image. One implementation uses the dete... | 05/22/2007 |
| 7218435 | Reconfigurable spatial light modulators This invention relates to reconfigurable spatial light modulators (SLM) incorporating a scatter plate. Computer generated diffraction patterns or holograms may be loaded on the (SLM) either as a single frame or as a series of frames for observation by an observer. I... | 05/15/2007 |
| 7218430 | Combinatorial optical processor A Combinatorial Optical Processor and method for the architecture of optical systems utilizes one or more optical modules, each module including a number of individually addressable optical elements. The optical elements are arranged and addressed in a combinatorial... | 05/15/2007 |
| 7218429 | Digital focus lens system A digital focus lens systems that can provide an optical system with a plurality of selectable focal powers is described. The system includes a number of switchable elements, each of which is capable of being switched between a first state and a second state, whereb... | 05/15/2007 |
| 7218339 | Eternalism, a method for creating an appearance of sustained three-dimensional motion-direction of unlimited duration, using a finite number of pictures The method uses three pictures, A, B and C, two of which are substantially similar pictures having images, A, B, and one that is dissimilar, usually a solid color, C. Continuous movement is created by repetitively viewing the series A, B, C. Additionally, each pictu... | 05/15/2007 |
| 7210784 | Image projecting device A wavefront curvature modulating device is provided with a beam generating system that emits a plurality of beams having different wavefront curvatures, and a beam selecting system that selects at least one of the beams generated by the beam generating system. ... | 05/01/2007 |
| 7180478 | Three-dimensional video display and method for creating supply video supplied to three-dimensional video display There is provided a stereoscopic video display that enables a viewer to recognize a more real stereoscopic video. A light source device 2 comprises a backlight 21 and a pinhole array plate 22. A liquid crystal display panel driver 5 | 02/20/2007 |
| 7180663 | 3D motion picture theatre When any observer receives an image of a scene having the same relative size, shape and location on the retina of each of his two eyes at any instant and the image of the scene has some component of horizontal motion in any direction, the image viewed is three dimen... | 02/20/2007 |
| 7167230 | Liquid crystal variable wavelength filter unit, and driving method thereof A liquid crystal variable wavelength filter unit and its driving method applicable for a Wavelength Division Multiplexing (WDM) communication system and an optical network using an optical fiber. The liquid crystal variable wavelength filter unit (130) includ... | 01/23/2007 |
| 7158096 | Compact, head-mountable display device with suspended eyepiece assembly A compact, lightweight, head-mountable display device is provided for transmitting an image to a user's eye. The device includes a projection system including a display attached at one end to a head-mountable support fixture. An eyepiece assembly is attached to a se... | 01/02/2007 |
| 7154671 | High efficiency electromagnetic beam projector, and systems and methods for implementation thereof This invention relates to electromagnetic wave beam paths, formation of the beam, illumination of programmable electromagnetic wave field vector orientation rotating devices (“PEMFVORD”) with an electromagnetic beam, and the technique of projection of the modula... | 12/26/2006 |
| 7150531 | Autostereoscopic projection viewer An autostereoscopic viewer is employed to produce aberration corrected images to simulate a virtual presence by employing pairs of projector optical components coupled with an image corrector plate and a field lens. Images are designed with magnifications and optica... | 12/19/2006 |
| 7142221 | Display drive control device and electric device including display device In a system including a color liquid crystal panel, a drive control device for driving the panel, and a microprocessor, the drive control device reduces the burden on the microprocessor as well as power consumption. In a liquid crystal display drive control device t... | 11/28/2006 |
| 7131728 | Method and apparatus for displaying information in automotive application using a laser projection display An image projector is supported by a vehicle to project a two-dimensional image on a projection surface, such as a portion of a windshield, an instrument panel, or a seat back, within the vehicle, for viewing by an occupant of the vehicle. ... | 11/07/2006 |
| 7101048 | Flat-panel projection display A flat-panel projection display comprises a slab waveguide having a preferably embossed diffraction grating on one face, a lens for directing light into an edge of the waveguide, and in the focal plane of the lens a liquid-crystal modulator for modulating the intens... | 09/05/2006 |
| 7086735 | Enhancement of visual perception A system, device within a system, and a method for enhancing visual perception in a two-dimensional image is disclosed, providing the induction of retinal disparity in the viewer by a device with which the two-dimensional image is viewed. With fusion of the retinall... | 08/08/2006 |
| 7079706 | Methods and apparatus for generating a multiple composite image A composite image generator for combining a prestored composite background image, a prestored composite foreground image, and a composite interior image is disclosed. The composite interior image is preferably generated by the composite image generator by interlacin... | 07/18/2006 |
| 7073908 | Enhancement of depth perception A system, device, and method for enhancing depth perception in a two-dimensional image is disclosed providing the induction of retinal disparity in the eyes of the viewer by the placement of a visually identifiable object in front of the two-dimensional image. Upon ... | 07/11/2006 |
| 7072086 | Digital focus lens system Digital focus lens systems that can provide an optical system with a plurality of selectable focal powers are described. The systems may include a number of switchable elements, each of which is capable of being switched between a first state and a second state, whe... | 07/04/2006 |
| 7055960 | Rear projection display device A rear projection display device includes an image generator, a reflector, a screen and a light shield disposed between the reflector and the screen. The image engine emits image beams among which ineffective ones are blocked by the light shield while effective ones... | 06/06/2006 |
| 7036935 | Light projection apparatus for projection in three-dimensions An apparatus and method are provided for producing images having a depth or relief component (e.g., appearing three-dimensional) from single perspective projection masks. The three-dimensional relief images are generated from two-dimensional images utilizing a simpl... | 05/02/2006 |
| 7027016 | Display apparatus and image signal processing apparatus To attain high image quality such as high resolution and high dynamic range in a display apparatus for irradiating light generated by a light source onto a light modulating element and for forming a display image plane from the light transmitted through or reflected... | 04/11/2006 |
| 7023315 | High performance RF inductors and transformers using bonding technique A method of fabricating an inductor using bonding techniques in the manufacture of integrated circuits is described. Bonding pads are provided over a semiconductor substrate. Input/output connections are made to at least two of the bonding pads. A plurality of wire ... | 04/04/2006 |
| 6999071 | Method and apparatus for displaying 3d images The invention relates to a method for displaying three-dimensional images. In the method light beams (Le) are associated to several different screen points (P) of a screen (20). The light beams (Le) produce different views associated to ... | 02/14/2006 |
| 6969174 | Apparatus and method for volumetric image reconstruction of volumetric images A volumetric display apparatus is disclosed which includes, one or more movable generator means to receive a multitude of light sources, wherein said light sources have a non-linear spatial distribution and are independently accessed for unequal access durations, in... | 11/29/2005 |