Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8130433 | Spinning optics for speckle mitigation in laser projection systems Particular embodiments relate generally to systems and methods of reducing the appearance of speckle in laser projection images. According to one embodiment, a laser projection system includes a light source, scanning optics and spinning optics. The light source inc... | 03/06/2012 |
| 7522323 | Method and apparatus for printing a pattern with improved focus correction and higher throughput A method for printing a pattern from a hologram mask into a photosensitive layer on a substrate, which method includes arranging the hologram mask on a coupling element, arranging the substrate so that it is substantially parallel with the hologram mask and separate... | 04/21/2009 |
| 7349568 | Method and apparatus for handling stereoscopic images utilizing parallax images An image acquiring unit acquires a two-dimensional image from a digital camera and a stereoscopic image from a stereo image storage, and sends those images to a pixel replacing unit. The pixel replacing unit replaces pixels, among the two-dimensional image, correspo... | 03/25/2008 |
| 7256815 | Image forming method, image forming apparatus, optical scan device, and image forming apparatus using the same An optical scan device having an optical deflector reflecting a light beam from a light beam source so as to deflect the light beam and having a surface to be scanned on which information is written such that the light beam deflected by the deflector scans the surfa... | 08/14/2007 |
| 7241982 | Optical image transmitting system, optical image transmitting apparatus, optical image receiving apparatus, and optical image transmitting method Provided is an optical image transmitting system capable of producing signal light including plural image information and emitting the signal light, and in addition, receiving the signal light and selectively extracting target image information. An optical image tra... | 07/10/2007 |
| 7210632 | On-axis control over scanning beam spot size and shape in electro-optical readers A cylindrical lens is axially moved along an optical axis to control a shape and size of a laser beam spot that is scanned across a symbol to be read by an electro-optical reader. ... | 05/01/2007 |
| 7207492 | Laser scanning bar code symbol reader employing variable passband filter structures having frequency response characteristics controlled by time-measurement of laser-scanned bar code symbol elements The effects of paper/substrate noise are significantly reduced in multi-focal zone laser scanning systems by processing analog scan data signals with a scan data signal processor having a plurality of pass-band filters and amplifiers that are automatically selected ... | 04/24/2007 |
| 7203344 | Biometric imaging system and method A method and system of obtaining a ten-print plain impression fingerprint includes scanning a print image, processing the scanned image, separating the processed image into individual fingerprint images, and determining how many print images have been scanned. The m... | 04/10/2007 |
| 7202985 | Inner drum exposure apparatus An exposure process is executed by multi-beams divided by polarizing and combining laser beams (La, Lb) modulated based on an image signal so as to be emitted by a light source side optical system by using a polarized light beam splitter, and by converting the laser... | 04/10/2007 |
| 7187445 | Method and apparatus for optically scanning a scene A light beam is deflected by refraction and total internal reflection through a first prism, and projected through a first lens onto a scene that is to be scanned. The prism rotates, which varies the deflection angle and scans the beam across the scene along a scan ... | 03/06/2007 |
| 7182466 | Projection optical system and optical system A projection optical system includes an optical modulation unit which outputs modulated light for displaying an image, an optical scanning unit on which the modulated light output from the optical modulation unit is incident, the optical scanning unit scanning the l... | 02/27/2007 |
| 7177550 | On-axis laser receiver wavelength demultiplexer with integral immersion lensed detectors The present invention is directed to a laser communication receiver for wireless optical communication. A laser communication receiver includes a diffractive optical element to permit detectors at different spatial locations to detect different wavelengths of the op... | 02/13/2007 |
| 7159764 | Versatile window system for information gathering systems A method and apparatus for permitting a base housing to support a plurality of different product configurations. Some of the configurations include different types of optical indicia readers. The base housing has a reading portal capable of receiving a window frame.... | 01/09/2007 |
| 7098938 | Multi-beam scanning optical apparatus and image forming apparatus using the same A multi-beam scanning optical apparatus includes an incident optical system for making a plurality of light beams emitted from light source means having a plurality of light emitting portions incident on a deflector, and a scanning optical system for forming images ... | 08/29/2006 |
| 7084857 | Virtual data entry device and method for input of alphanumeric and other data A data input device including an optically generated image of a data input device, the image including at least one input zone actuable by an action performed thereon by a user, a sensor operative to sense the action performed on the at least one input zone, and to ... | 08/01/2006 |
| 7051922 | Compact bioptical laser scanning system A bioptical holographic laser scanning system employing a plurality of laser scanning stations about a holographic scanning disc having scanning facets with high and low elevation angle characteristics, as well as positive, negative and zero skew angle characteristi... | 05/30/2006 |
| 7046425 | Multi-stage optical switching device An optical switching device contains an active stage coupled to a passive stage. The index of refraction in the active stage is variable to change the entry direction of a light beam into the passive stage, which has a fixed index of refraction. Because the light be... | 05/16/2006 |
| 7040028 | System, apparatus and method for alignment of propeller shaft supports and engine of a water vessel A system, apparatus and method for alignment of a marine engine in a water vessel with either an existing or a design propeller shaft line of a propeller shaft of the vessel. The invention is also useful in positioning and aligning propeller shaft supports to the de... | 05/09/2006 |
| 7010148 | Calibration and correction in a fingerprint scanner A calibration and correction procedure for a fingerprint scanner. The calibration and correction procedure performs an automatic calibration procedure and gray level linearity procedure. The automatic calibration procedure includes a brightness function to correct f... | 03/07/2006 |
| 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 |
| 6961045 | Pattern projection techniques for volumetric 3D displays and 2D displays This invention relates generally to image projection methods and apparatus for creating color or gray scale images using spatial light modulators (SLMs) without color or gray capability. The basic concept is to divide the pixels on a single SLM into multiple groups ... | 11/01/2005 |
| 6953153 | Compact holographic laser scanner having minimized housing dimensions determined by scanning disc and beam folding mirror parameters Disclosed is a holographic laser scanner of ultra-compact design. The scanner has a scanner housing having width, length and height dimensions, and a holographic scanning disc for scanning and focusing a plurality of laser beams so as to produce a plurality of laser... | 10/11/2005 |
| 6937375 | Scanning device A scanning apparatus includes a radiation source for emitting a light beam, a rotatable prism for deflecting the light beam, and a lens arrangement for projecting the light beam onto a scene to be scanned. The path length that is traversed by the light beam from the... | 08/30/2005 |
| 6934511 | Integrated repeater An integrated repeater includes a housing having opposing sides, a donor antenna mounted on one of the opposing sides, a null antenna mounted on the other of the opposing sides, and repeater electronics mounted in the housing and operatively interconnecting the dono... | 08/23/2005 |
| 6903824 | Laser sensitometer An optical apparatus. More particularly, a laser sensitometer. The apparatus comprises: a polarized light source adapted to provide a Gaussian beam of light directed along an optical axis; a rotatable polarizer disposed in the optical axis adapted to vary an intensi... | 06/07/2005 |
| 6888653 | Optical scanning device In an optical scanning device 1, a housing 3 has a space 3a in the inside thereof. A floating rotational plate 2 is housed in the space 3a, and is caused to float and to rotate by a magnetic force. The floating rotati... | 05/03/2005 |
| 6839172 | Enhanced sampling rate in time domain imaging using MOEMS scanning optical delay line Electromagnetic waves in wide frequency ranges up to photonics have been used for applications to time-domain imaging (TDI). Realistic time domain imaging requires a rapid optical delay line on the order of 100 ps with sampling rate at least 100 Hz. Present availabl... | 01/04/2005 |
| 6753990 | Holographic displays A holographic display comprises a light source and an Electrically Addressable Spatial Light Modulator (EASLM) 1 in the path of the light source. A light guide is arranged to guide light from the EASLM to each of a set of tiled regions of a OASLM in turn. The... | 06/22/2004 |
| 6639698 | Optical scanning unit with rotatable hologram disc An optical scanning unit with a rotatable hologram disc, including a light source, a rotatable hologram disc provided with a plurality of holograms, the holograms being formed concentrically along a radial direction to diffract a beam emitted from the lig... | 10/28/2003 |
| 6633423 | Scanning optical system and image forming apparatus using the same A scanning optical system includes a first optical system for shaping a light beam emitted from a light source and forming the light beam into a linear image elongated in the same direction as a main scanning direction, a light deflector which has a defle... | 10/14/2003 |
| 6621607 | Diffractive display The present invention is directed to an improvement in a diffractive display suitable for presenting graphic and the like displays. Broadly, a novel embodiment is realized from a holographic diffraction pattern carried by a magnet or element and an electr... | 09/16/2003 |
| 6570566 | Image processing apparatus, image processing method, and program providing medium An image displaying configuration is arranged so that objects and scenes at the distance of the fixation point are images in focus, and objects and scenes at distances other than the distance of the fixation point are subjected to out-of-focus processing ... | 05/27/2003 |
| 6570681 | System and method for dynamic optical switching using a diffractive optical element An optical crossbar switch system includes: a mask comprising multiple patterns, wherein at least one of the multiple patterns is a diffractive pattern; and a spatial light modulator positioned to receive at least one optical input beam and selectively co... | 05/27/2003 |
| 6549348 | Optical scanning device An optical scanning device is provided, which is compact-sized and lightweight, and, which consumes less power. A movable member of the device is supported on a fixed member via a swing axis provided on the fixed member. On an upper surface and along an a... | 04/15/2003 |
| 6535638 | Method and apparatus for reading and verifying holograms A system and method for reading the information stored in holograms and other diffractive objects. The information is read by analyzing the diffraction pattern produced when a laser beam is focused onto a small spot on the object and scanned across the ob... | 03/18/2003 |
| 6529296 | Hologram scanner A hologram scanner is constructed with a driving source for providing a rotational force, a deflection disk installed at the rotation shaft of the driving source for forming a scanning line, the deflection disk having a plurality of sectors where a hologr... | 03/04/2003 |
| 6466351 | Multi-beam optical system Disclosed is a multi-beam optical system that includes a laser source, a diffractive beam dividing element that divides the light beam emitted from the laser source into a plurality of light beams, a propagation optical system through which the divided li... | 10/15/2002 |
| 6421180 | Apparatus for generating a laser pattern on a photomask and associated methods An apparatus for generating a pattern on a photomask includes a beam generator generating a row of spaced apart optical beams, a blocking element downstream from the beam generator in a path of at least one of the optical beams, and a refracting element d... | 07/16/2002 |
| 6310701 | Method and apparatus for ablating high-density array of vias or indentation in surface of object An apparatus and process for ablating an array matrix of high-density vias in a flexible and rigid desired object. The apparatus contains a mirror based x, y scanning repeat positioning and/or a single axis scanner positioning system that directs a single... | 10/30/2001 |
| 6288817 | High duty cycle synchronized multi-line scanner A scanner includes a single scanning element such as a holographic disc or a polygon mirror and an illumination system that provides a plurality of input beams that are directed to different areas on the scanning element. In one embodiment, a light source... | 09/11/2001 |
