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"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 8134599 | Scanning image display apparatus A scanning image display apparatus includes: a scanning unit rotating a mirror to scan a light flux from a light source; an input unit to input a display condition of an image; and a controller changing a rotation angle of the mirror in the scanning unit in accordan... | 03/13/2012 |
| 7367682 | Color image projection arrangement and method A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality in color. | 05/06/2008 |
| 7357512 | Color image projection system and method An image projection system projects an image on a projection screen having a phosphor for converting incident violet light into green light which, together with red and blue light, creates the image in full color. The screen includes an apertured mask having apertur... | 04/15/2008 |
| 7192145 | Integrated actuator meniscus mirror without reaction mass An integrated actuator meniscus mirror includes an optical substrate having a mirror surface on one side and a support structure on the other for controllably altering the shape of the mirror surface without a reaction mass. ... | 03/20/2007 |
| 7193729 | Instrument cluster with laser beam illumination An automotive instrument cluster containing a grouping of display fields representing measured automotive operating quantities such as speed, temperature and pressure. Illumination markers which are analogs of pointers are created within the display fields from a si... | 03/20/2007 |
| 7133022 | Apparatus for image projection The invention is directed to a solid-state projection device incorporating a light source, modulator, and control circuitry on a single chip. For example, projection device may include several sets of VCSELs, each associated with a set of MEMs mirrors and coupled to... | 11/07/2006 |
| 7123778 | Whiteboard imaging system An image capturing system is installable in a room separate from a writing surface and a second area. The image capturing system is adapted to take visual images of the writing surface and second area and identify information written thereon. ... | 10/17/2006 |
| 7006138 | Camera A camera provided with a lens assembly, a CCD and a circuit for applying a signal which is disposed between the lens assembly and the CCD, where the circuit for applying a signal is vibrated. ... | 02/28/2006 |
| 6935566 | Portable instrument for electro-optically reading indicia and for projecting a bit-mapped image A portable instrument incorporates an electro-optical assembly for reading indicia during for projecting a bit-mapped image during a display mode. A manually operable switch on the instrument is disposed for selecting one of the modes. The image is formed by pulsing... | 08/30/2005 |
| 6934063 | MEMS mirror A MEMS mirror and method for fabricating the mirror is provided. The mirror has a plurality of structures that operatively rotate around a support structure. The mirror is fabricated, such that the silicon components are separated from a glass structure having elect... | 08/23/2005 |
| 6904182 | Whiteboard imaging system An image capturing system is installable in a room opposite a writing surface. The image capturing system is adapted to take visual images of the writing surface and identify information written thereon. ... | 06/07/2005 |
| 6504904 | Simplified alignment and increased efficiency of X-ray imaging apparatus setup The invention relates to a scanned-slot x-ray imaging system, having a first collimator and a second collimator arranged in a first distance (a) and a second distance (b), respectively, from a radiation source and each provided with a slot and a detector ... | 01/07/2003 |
| 6181379 | Image sensing device with different image sensing characteristics for documents and scenery An image sensing device, such as an electronic camera, has different operating modes that are suited for sensing images of documents and sensing images of landscapes and the like. In the document mode, since information in the document is important, the i... | 01/30/2001 |
| 5933456 | Transmitter for and method of transmitting a wideband digital information signal, and receiver A transmitter provided with a subband coder is disclosed. The transmitter receives a wideband digital information at an input 1 and provides an output signal for transmission at an output (30). The input signal may have a varying sampling frequency (f | 08/03/1999 |
| 5920417 | Microelectromechanical television scanning device and method for making the same A single reflector, two-axis MEMS scanner made of a substrate. The substrate has nested, cut-out regions. Each region is independently rotatable about one of the axes. The axes of the regions are substantially orthogonal.... | 07/06/1999 |
| 5715021 | Methods and apparatus for image projection Method and apparatus for a multi-application, laser-array-based image system utilizes three linear laser arrays. Each linear array generates multiple (N>1) parallel output beamlets at one of the three primary colors (red, green, blue). The corresponding 1... | 02/03/1998 |
| 5665954 | Electro-optical scanner module having dual electro-magnetic coils A scanner module for directing a light beam to scan an optically encoded symbol includes a scanner component and a permanent magnet mounted for joint oscillatory motion on a support to scan the light beam by a flexible, resilient member having one end con... | 09/09/1997 |
| 5646683 | Imaging systems Currently, electronic imaging cameras use expensive array photodetectors instead of inexpensive linear photodetectors because they cannot scan linear detectors across the entire image within their exposure time and because the linear photodetectors do not... | 07/08/1997 |
| 5486878 | Color image display apparatus with reflection mirrors simultaneously oscillated In a color image display apparatus, light beams intensity modulated by a green color image signal are deflected by an ocillating mirror, and then focused on a photo-conductive layer (PCL) member of a light-written type spacial light modulation element (SL... | 01/23/1996 |
| 5450127 | Image pickup apparatus for performing exposure control by using one-dimensional image pickup device An image pickup apparatus includes an optical system for forming an image of an object. An image pickup section effects the image pickup operation by causing a one-dimensional image pickup device to scan an image formed by the optical system. A light expo... | 09/12/1995 |
| 5444479 | Single camera autostereoscopic imaging apparatus A support frame is coupled to a counterweight frame to form a mechanical oscillator in which oscillations of adjustable amplitudes are induced to produce parallax, oscillatory scanning motion of a camera rotatable mounted by the support frame. A spring as... | 08/22/1995 |
| 5373148 | Optical scanners with scan motion damping and orientation of astigmantic laser generator to optimize reading of two-dimensionally coded indicia In an optical scanner, a component for producing a beam scanning motion is mounted on a first flexible strip or planar spring. One or more additional flexible strips, adjacent the first flexible strip, provide additional support to prevent droop by the fi... | 12/13/1994 |
| 5371347 | Electro-optical scanning system with gyrating scan head A compact beam scanning information readout device and method for reading bar code or other information requires little or no orientation of the information to be scanned by virtue of its raster or omni directional scan capabilities. Only a single mirror ... | 12/06/1994 |
| 5313137 | Display devices A display system comprises a cathode ray tube (10) including an electron gun (12) for producing a modulated beam of electrons and a mechanism (14, 15) for focusing the beam of electrons and scanning it along a strip (17) of phosphor to produce a linear di... | 05/17/1994 |
| 5276546 | Three dimensional scanning system A part scanning and part calibration method for the inspection of printed circuit boards and integrated circuits includes a camera and two rotating mirrors to scan an image of a pattern mask retical upon which a precise pattern has been deposited. Small p... | 01/04/1994 |
| 5274235 | Integrated imaging system A totally integrated imaging system has a housing including imaging optics, a scanning mirror and a curved detector array. The imaging optics constitute a meniscus lens and a spherical focusing mirror. The scanning mirror scans the image, and the spherica... | 12/28/1993 |
| 5179276 | Optical scanning type image pickup apparatus and optical scanning type microscope An optical scanner and an optical scanning type image pickup apparatus and a scanning microscope, both of which prevents an image from being displaced, and a scanning type microscope for preventing enlargement and reduction in the size of a target image b... | 01/12/1993 |
| 5173796 | Three dimensional scanning system A part scanning and part calibration apparatus and mechanism for the inspection of printed circuit boards and integrated circuits include a camera and two rotating mirrors to scan an image of a pattern mask retical upon which a precise pattern has been de... | 12/22/1992 |
| 5051834 | Projection-type display apparatus utilizing both zero-order and first-order diffracted beams An apparatus has a light modulator for emitting a first-order diffracted beam to scan a screen two-dimensionally and a zero-order diffracted beam which is two-dimensionally deflected and projected onto the screen. The zero-order diffracted beam is effecti... | 09/24/1991 |
| 5032924 | System for producing an image from a sequence of pixels A system for producing an image by a sequence of intensity values representing pixels of the image which employs means for scanning the image at a non-linear rate and further, includes means modulating the basic illumination and intensity of pixels as a f... | 07/16/1991 |
| 4997242 | Achromatic scanning system An achromatic scanning system 25 subjects an incoming beam of light to reflection off four successive mirrors (35a, 42a, 42b, 35b). The mirrors at the input and output are preferably plane mirrors (35a-b) and are referred to as the scanning mirrors. They ... | 03/05/1991 |
| 4931874 | Digital system for generating laser-modulation multi-channel circuit control signals for an oscillating mirror projector of scanned images To compensate for the non-linearity of the oscillations of the line galvanometer of a scanned image projector with oscillating mirrors, compensation circuits are used. These compensation circuits act on the video signal by modulating the duration of the p... | 06/05/1990 |
| 4878721 | Resonant mechanical system A resonant rotationally oscillating mechanical system has a plurality of masses supported by a resilient structure held at both ends on a stationary base to define a natural resonance frequency of intended rotational motion about an axis relative to the b... | 11/07/1989 |
| 4816923 | Two dimensional light beam scanner used in radiation image information readout A radiation image information readout device has a sheet fixedly supported on the concave surface of a semicylindrical support is scanned in a main scanning direction by a light beam which is emitted from a light source and deflected by a main scanning li... | 03/28/1989 |
| 4814870 | Portable infrared imaging apparatus Manually portable apparatus enabling high-resolution, two-dimensional infrared imaging of remote, non-contacting targets is described. An on-axis optical subsystem consists of a single, single-faceted planar scanning mirror that is reciprocable by stepper... | 03/21/1989 |
| 4797749 | Scanning system with tunable resonant actuator A surface-scanning system of the kind that defines an optical path and has a scanning assembly comprised of X and Y angularly oscillating scanners for deflecting a portion of the path, and first and second optical elements aligned with stationary portions... | 01/10/1989 |
| 4692808 | Passively modulated push broom display Apparatus for producing a projected real-time visible display (9). A light source (2) and associated collimator (3,4) produces a collimated light beam (18) which is modulated by a linear array (6) of electronically controlled optical elements (16) with in... | 09/08/1987 |
| 4686363 | Self-resonant scanner biasing system Integrations of the historical numbers of times that a light beam scanned in an oscillatory course by a self-resonant galvanometer scanner does traverse so far in a first direction so as to impinge upon a Beginning-of-Trace (BOT) sensor, and does traverse... | 08/11/1987 |
| 4575632 | Infrared viewing apparatus An infrared viewing apparatus is described which comprises an infrared objective, a pivotal mirror, a linear infrared detection array, an amplifier arrangement connected to this array, and a display array which is driven by the amplifier arrangement and i... | 03/11/1986 |
| 4571623 | Data clocking circuitry Data clocking circuitry providing data clocking signals usable to control the output of a laser directed to a self-resonant mirror of a scanning apparatus. The circuitry selects clock signals from the output of a stable clock in accordance with a program ... | 02/18/1986 |
