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| Number | Title | Issue Date |
| 7436563 | Optical scanning apparatus with composite collimator-deflector between laser source and deflection scanner An optical scanning apparatus includes a light source; a deflection scanner for scanningly deflecting a laser beam emitted by the light source; a deflection member for deflecting a part of the laser beam emitted by the light source, the deflection member being dispo... | 10/14/2008 |
| 7427747 | Optical image pickup apparatus for imaging living body tissue A control portion of an optical image pickup apparatus includes a scan driver, a lock-in amplifier, and an A/D converter. The scan driver outputs a predetermined drive signal to a Y-scanning mirror and an X-scanning mirror and scans the Y-scanning mirror and the X-s... | 09/23/2008 |
| 7408688 | Method for driving optical deflecting device array, optical deflecting device array, optical deflecting device, and image projection displaying apparatus A method for driving an optical deflecting device array is disclosed, including in a series of processes for the light deflection operation, at least, a state of a first stage writing and recording data for indicating an inclination direction of the plate member to ... | 08/05/2008 |
| 7378632 | Image display apparatus and image pickup apparatus using the same Provided is an image display apparatus, including: a light source for emitting a modulated light beam based on image information; a conversion optical system for converting the light beam from the light source into a convergent light beam; a scanning member for two-... | 05/27/2008 |
| 7369590 | Laser diode driving circuit A disclosed laser diode driving circuit causes a laser diode to emit light by varying a current value of a current source in accordance with a control signal input externally and supplying a current that is the same as or proportional to the current value to the las... | 05/06/2008 |
| 7362484 | Optical scanner package with optical noise reduction The optical scanner package having: an optical scanner device scanning an incident beam and including a scanning mirror and a comb-electrode structure operating the scanning mirror; a package container containing the optical scanner device; and a package window that... | 04/22/2008 |
| 7362930 | Reduction of MEMS mirror edge diffraction in a wavelength selective switch using servo-based rotation about multiple non-orthogonal axes Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by using rotation of the micromirror about both the ... | 04/22/2008 |
| 7352927 | Optical add-drop multiplexer architecture with reduced effect of mirror edge diffraction Effects of diffraction of a spectral beam from an edge of the micromirrors are reduced in order to optimize the passband in a wavelength selective switch. The effects of diffraction on the pass band may be reduced by appropriate modification of the edges of the micr... | 04/01/2008 |
| 7333255 | Laser processing device A laser condensing optical system of the present invention includes a laser beam source which emits a laser beam, a condensing optical system which is arranged between the laser beam source and a medium and condenses the laser beam in the medium, and a laser diverge... | 02/19/2008 |
| 7324252 | Electromagnetic scanning micro-mirror and optical scanning device using the same An electromagnetic scanning micro-mirror is provided with a magnetic field generator for supplying a magnetic field, a mirror plate having a reflective plane and a frame structure attached to a rear surface of the reflective plane, a substrate to surround the mirror... | 01/29/2008 |
| 7317582 | Zoom lens, video enlarging/projecting system, video projector, rear projector, and multivision system The present invention includes three or more lens groups. These are arranged in the order of a first lens group (11) that has positive refractive power and a second lens group (12) that has negative refractive power, as seen from the side having the lo... | 01/08/2008 |
| 7307650 | Arrangement for, and a method of, reducing image distortion due to electrical interference Electrical interference between resonant, drive and line frequencies in a drive is reduced by selecting the resonant frequency to be non-harmonically related to the drive and line frequencies. The drive is of beneficial use in a lightweight, compact image projection... | 12/11/2007 |
| 7304619 | Method and apparatus for controllably compensating for distortions in a laser projection display A method and apparatus are provided to controllably compensate for distortions in an image produced by an LPD, where the distortion arises from the shape and/or angle of the viewing surface relative to the LPD. For example, the LPD can determine the angle of the vie... | 12/04/2007 |
| 7290884 | Display device having resolution improving apparatus for project-type display device A concept of improving a resolution by using human's visual characteristics is provided. Bu the present invention, an image can be displayed at a more improved resolution than an actual physical resolution, thereby obtaining the same effect that the resolution is ph... | 11/06/2007 |
| 7288679 | Device provided with a dedicated dye compound A device comprises at least one organophosphonium transition metal dye or is provided with a filter, comprising at least one organophosphonium transition metal dye, wherein, in a particular embodiment said device is selected from the group consisting of a scanner, a... | 10/30/2007 |
| 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 |
| 7280722 | Temperature compensated optical multiplexer An optical multiplexer that adjusts the wavelength response and compensates for temperature effects by using rotatable mirror. The wavelength response of the device is adjusted by aligning the mirror at a correct angle with respect to the surface terminating the opt... | 10/09/2007 |
| 7273281 | Method and apparatus for aligning a plurality of lasers in an electronic display device A method and apparatus are provided to compensate for variations in the alignment of a plurality of lasers 102, 104, 106. A controller 142 varies the time at which the lasers 102, 104, 106 are energized so that the laser light emitted therefrom ... | 09/25/2007 |
| 7270417 | Display device and display method in which resolution improving apparatus is provided for project-type display device A concept of improving a resolution by using human's visual characteristics is provided. An image can be displayed at a more improved resolution than an actual physical resolution, thereby obtaining the same effect that the resolution is physically improved. An imag... | 09/18/2007 |
| 7268948 | Optical element and optical scanning device using the same To obtain an optical element capable of obtaining uniform anti reflection characteristics over the whole optical surface having a finite curvature of the optical element, a plurality of convex optical pieces having an anti reflection function are provided on a surfa... | 09/11/2007 |
| 7268837 | Method and system for automated convergence and focus verification of projected images A method and system that objectively measures the convergence and focus of a 2 or 3 spatial light modulator (SLM) projection display. The system uses five (5) CCD cameras and a frame grabber to store red, green, and blue (R-G-B) data from selected pixels located in ... | 09/11/2007 |
| 7264360 | Scan type display optical system A scan type display optical system is disclosed in which the position and inclination of an image formed by projection light is made variable. The scan type display optical system comprises an optical scanning member for deflecting and scanning light, and a projecti... | 09/04/2007 |
| 7262895 | Determining operating point of feedback controller applied to operation of oscillating scanning device A method for determining an operating point of an oscillation controller. The method builds a model of an oscillation device based upon its design parameters. Then the resonant frequency of each specific oscillator is measured in its application environment, and the... | 08/28/2007 |
| 7253931 | Form fixing structure and image recognition apparatus having the structure A structure holds a medium itself to be scanned flat on an installation base in a stand type image input device. The installation base of the image recognition apparatus is provided with a mechanism which clips a medium and straightens creases and curls in the mediu... | 08/07/2007 |
| 7253827 | Multi-beam scanning apparatus Disclosed in a multi-beam optical scanning apparatus which includes a light source unit including a plurality of radiation points disposed with being spaced from each other in a main scanning direction, and a deflecting unit for deflecting a plurality of light beams... | 08/07/2007 |
| 7248279 | Optical scanning device and image forming apparatus using the same Disclosed is an optical scanning device which includes a light source device, a deflecting system for deflecting a light beam emitted from the light source device, and a scanning optical system for scanning a surface to be scanned, with the light beam deflected by t... | 07/24/2007 |
| 7239432 | Drum surface scanner and method for plate size check Provided is a drum surface scanner with which punched holes and/or cuts can be formed in a plate which has been correctly defined by position, and the plate can be clamped to a recording drum. When a plate P comes in front of movable pins 113, i.e., on a hole... | 07/03/2007 |
| 7238933 | Light detecting apparatus A light detecting apparatus has a two-axis deflector such as a two-axis mirror capable of controlling the deflection of a light beam. The apparatus realizes a sure and speedy light beam search operation without increasing deflecting frequencies of the two-axis defle... | 07/03/2007 |
| 7196830 | Optical deflector having neutral surface of bending in movable member in different plane from neutral surface of bending in elastic support member An optical deflector including a support substrate, a movable member, a reflective face, and a mounting structure for fixing the support substrate thereto. The movable member is rotatably or swingingly supported by the support substrate through elastic support membe... | 03/27/2007 |
| 7190497 | Scanning type image display optical system, scanning type image display apparatus, and image display system A scanning type image display optical system of the present invention comprises: a reflecting surface; an optical scanning unit which forms a two-dimensional image on the reflecting surface by light scanning; and an ocular optical system which leads light from the t... | 03/13/2007 |
| 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 |
| 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 |
| 7133332 | Light converging apparatus with aberration correcting element with paraxial power which has temperature dependency A light-converging optical system has an objective lens arranged at a position to be opposite to an optical information recording medium and including at least one plastic lens, and an aberration correcting element provided on an optical path between the light sourc... | 11/07/2006 |
| 7129473 | Optical image pickup apparatus for imaging living body tissue A control portion of an optical image pickup apparatus includes a scan driver, a lock-in amplifier, and an A/D converter. The scan driver outputs a predetermined drive signal to a Y-scanning mirror and an X-scanning mirror and scans the Y-scanning mirror and the X-s... | 10/31/2006 |
| 7110180 | Diffraction grating, method of fabricating diffraction optical element, optical pickup device, and optical disk drive A diffraction grating with periodically arranged protrusions and grooves at a relatively narrow pitch and improved diffraction efficiency is disclosed. The protrusions of the grating are made of a material whose index of refraction is greater than that of the groove... | 09/19/2006 |
| 7110148 | Duplex image reading apparatus A duplex image reading apparatus has a transportation path for transporting a sheet original to a reading region by an original transporting device, and first and second reading devices placed corresponding to respective transportation sides of the sheet original in... | 09/19/2006 |
| 7090359 | Scrolling unit, color illuminating system, and projection system using the scrolling unit A scrolling unit for forming a color image through scrolling, and a color illuminating system and a projection system using the scrolling unit. The scrolling unit includes a first spiral lens disk, a second spiral lens disk, and a glass rod. The first spiral lens di... | 08/15/2006 |
| 7089288 | Interactive context preserved navigation of graphical data sets using multiple physical tags A system for N-space navigation of digital data sets. The system includes an electronic tag having a digitally readable identifier, an electronic tag reader configured to read the identifier of the electronic tag, and a computing system connected to the electronic t... | 08/08/2006 |
| 7073445 | Illuminating device for a scanner, and a print reading apparatus using the same An illuminating unit includes a pair of fluorescent lamps each having a prism sheet mounted peripherally thereof to act as a condensing member, and concave mirrors for reflecting light emitted from the fluorescent lamps to printing paper acting as a print. The prism... | 07/11/2006 |
| 7068410 | Optical scanning apparatus and image forming apparatus A light beam L from a laser source 62 impinges upon a deflection mirror surface 651 from the direction of a pivot axis (sub scanning direction Y) at an acute angle γ with respect to the surface normal NL to the deflection mirror surface 651, an... | 06/27/2006 |
