Optics: image projectors inventions 09/08

20080231811 - Projection-type display apparatus: Provided is a projection-type display apparatus which can efficiently cool a reflection mirror with a small number of cooling fans. The projection-type display apparatus is a display apparatus for modulating a projection light from a lamp by an optical modulation device and then projecting the light on a screen in... Agent: Fitzpatrick Cella Harper & Scinto

20080231812 - Projector: A projector includes: a light source lamp; and a cooling device that cools the light source lamp and includes a plurality of cooling fans to deliver air toward the light source lamp. Airflow directions in which the plurality of cooling fans deliver the air toward the light source lamp are... Agent: Advantedge Law Group, LLC

20080231813 - Projector unit: There is provided a projector unit which can facilitate the design of lenses and project a distortionless and clear image and which comprises a projection optical system in which an optical axis of a projection lens does not coincide with a center of a rectangular image plane of an optical... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080231814 - Display device: A display device comprises a height-adjustable display board (10) which is adapted to be written on. Further, the display device comprises a height-adjustable projection unit (18) for projecting images onto the display board (10). With the aid of a mechanical connection means (20,22) connecting the display board (10) to the... Agent: Clements Bernard Miller

20080231815 - Large-sized transportable projection screen: A large-sized transportable projection screen comprising an any-shaped fillable hollow body, which is embodied in the form of a structure consisting of fillable tubes. The aim is to develop a large-sized transportable projection screen exhibiting an increased stability and making it possible to obtain an improved projection at daylight. For... Agent: Bachman & Lapointe, P.C.

20080231816 - Discharge lamp lighting device and image projection device: To provide a discharge lamp lighting device which is made efficient at the time of starting to light a high-voltage discharge lamp and has quick illumination rising. To start a high-voltage discharge lamp 17 by a pulse high-voltage, the high-voltage discharge lamp 17 is controlled to have the rated power... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080231817 - Projection-type display apparatus and control method for projection-type display apparatus as well as control program for projection-type display apparatus: Exemplary embodiments provide a projection-type display apparatus, which can address or realize a reduction in weight and size, a reduction in power consumption, and a reduction in noise, and address or realize a reduction in price, and a control method for the projection-type display apparatus, as well as a control... Agent: Oliff & Berridge, PLC

20080231818 - Projector apparatus, projection control method and recording medium storing projection control program: A projector apparatus comprises a light source lamp which is inside a reflector, a projection system forming a light figure using a light from the light source lamp, projecting the formed light figure by an optical lens unit having an automatic focus function and providing the image on a projection... Agent: Frishauf, Holtz, Goodman & Chick, PC

20080231819 - Method of displaying an image for a document projector: A method of displaying an image for a document projector is disclosed. The method includes capturing the image of an object to get an input image; generating a frame; overlapping the frame and the input image, wherein the frame separates the input image into an emphasized area and a not-emphasized... Agent: Thomas, Kayden, Horstemeyer & Risley, LLP

20080225235 - Rotation mirror image display: The present invention discloses a rotation mirror image display, which comprises: a driving means; a control unit for controlling at least one image and generating at least one image-control signal; a rotating member being continuously driven by the driving means and generating at least one mirror image; and at least... Agent: Sinorica, LLC

20080225236 - Polarization conversion systems for stereoscopic projection: A polarization conversion system (PCS) is located in the output light path of a projector. The PCS may include a polarizing beam splitter, a polarization rotating element, a reflecting element, and a polarization switch. Typically, a projector outputs randomly-polarized light. This light is input to the PCS, in which the... Agent: Real D - Patent Department

20080225237 - Projection display device: An imager is shifted with respect to an optical axis of a refractive optical system. Thereby, a throw distance of a projector is shortened. A wavelength-selective half wavelength plate for rotating a polarization direction of green light beams is disposed between a dichroic prism and the refractive optical system in... Agent: Mots Law, PLLC

20080225238 - Projector: A projector includes a lighting optical system for emitting a lighting beam, a color separation/light guiding optical system for separating the lighting beam from the lighting optical system into optical paths for three colored light beams, a light modulation device provided for each of the colored light beams and for... Agent: Oliff & Berridge, PLC

20080225239 - Projection apparatus and illumination system thereof: An illumination system includes a lamp, an optical element, a fan and a wind-guiding device. The extended direction of the central axis of the fan is slanted to the optic axis of an illumination beam from the lamp with an angle. The wind-guiding device includes a wind-guiding portion and a... Agent: J C Patents, Inc.

20080225240 - Projection system and plastic color wheel assembly thereof: A plastic color wheel assembly includes a motor and a color filtering plate. The color filtering plate is disposed at one side of the motor and is made of plastic A projection system including the plastic color wheel is also disclosed.... Agent: Birch Stewart Kolasch & Birch

20080225241 - Projector and method for adjusting projective luminance thereof: A projector includes a housing, a projecting module, a first luminance sensor, a second luminance sensor and a control module. The projecting module includes a light source for emitting light, a light valve for modulating the light into image light, and a projection lens for projecting the image light to... Agent: North America Intellectual Property Corporation

20080225242 - Protection type display device: A projection-type display device includes a shielding unit and image signal correction units that divide the picture plane of the spatial light modulation element into a plurality of areas and perform correction on the image signal applied to the spatial light modulation element according to the current shielding amount of... Agent: Lerner, David, Littenberg, Krumholz & Mentlik

20080225243 - Projection apparatus: A projection apparatus including a projection body and at least one adjusting leg is provided. The projection body has a casing, and the bottom of the casing has at least one accommodating cave. The adjusting leg includes a supporter and a pivoting rod. The supporter has a supporting portion and... Agent: Jianq Chyun Intellectual Property Office

20080218697 - Polarization luminaire and projection display: A polarization luminaire is disclosed having a light source, a system of the optical integrator, a polarized light splitting device for splitting a light emitted from the light source into two kinds of polarized lights whose polarization directions are perpendicular to each other and whose traveling directions are apart from... Agent: Oliff & Berridge, Plc

20080218698 - Projection system including intrinsic polarizer: A projection system including an intrinsic polarizer is disclosed. The projection system includes a light source producing illumination light, an imager disposed to receive the illumination light, and a projection lens disposed to receive the illumination light from the imager. The imager includes an intrinsic polarizer. An intrinsic polarizer stack... Agent: 3m Innovative Properties Company

20080218699 - Display device having plurality of light sources and using diffractive light modulator, capable of reducing speckles: Disclosed herein is a display device using a diffractive light modulator, which is provided with a plurality of light sources that emit different wavelengths, thus being capable of reducing speckles. The display device using a diffractive light modulator includes a light source unit, an illumination unit, a diffractive light modulator,... Agent: Christensen, O'connor, Johnson, Kindness, Pllc

20080218700 - Bar-type display device using diffractive light modulator: Disclosed herein is a display device using a diffractive light modulator. The display device includes a light source unit, a light condensing unit, an illumination unit, a diffractive light modulator, a light path adjustment unit, and a projection unit. The light path adjustment unit causes the linear light to enter... Agent: Christensen, O'connor, Johnson, Kindness, Pllc

20080218702 - Light amount control device and projector: A light amount control device that controls an amount of light acquired from a light source provided in an image display apparatus includes: a pulse generator; an operation processing portion for light amount control that outputs a transfer start signal at timing when the amount of light is controlled; a... Agent: Oliff & Berridge, Plc

20080218701 - Projector and control method thereof: Disclosed herein is a projector that can be loaded with lamps of a plurality of kinds, each of a plurality of the lamps loadable into the projector being given a lamp serial code formed by arranging lamp information including at least a minimum wattage and a maximum wattage of the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080218703 - Projector and control method therefor: Disclosed herein is a projector for projecting an image to a screen, including: a lamp configured to emit light; an elliptic reflecting mirror configured to reflect and condense the light from the lamp; a sensor configured to detect the amount of the light reflected and condensed by the elliptic reflecting... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080218704 - Projection display: A projection display includes first and second light sources, a reflection/transmission member which partially transmits a first light beam from the first light source and partially reflects a second light beam from the second light source, and a light valve which converts the light beam from the reflection/transmission member into... Agent: Birch Stewart Kolasch & Birch

20080218705 - Projection display device: A projection display device comprises a main body cabinet, a projection lens section to which light modulated by a light modulating element entered, and a mirror section for reflecting the light emitted from the projection lens section to a projection plane. A level difference depending on an arrangement shift of... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080218706 - Projection display device: A projection display device comprises a projection lens section to which light modulated by a light modulating element is entered, a mirror section for reflecting the light emitted from the projection lens section to reflect to the projection lens section side and directing the light to a projection plane, and... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080218707 - Projection display device and stand used for the projection display device: A projection display device accommodates, in a main body cabinet, a projection lens section to which light modulated by a light modulating element is entered, and a mirror section that reflects light transmitted through the projection lens section and directs the light to a projection plane. When the main body... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20080212033 - Project equipped with ultrasonic speaker, and method for displaying sound reproduction range in projector: A projector includes an ultrasonic speaker, a visual information generation unit that generates visual information relating to a sound reproduction range of the ultrasonic speaker, and an image projection unit that displays the visual information generated by the visual information generation unit on a screen.... Agent: Harness, Dickey & Pierce, P.L.C

20080212034 - Speckle reduction in laser-projector images: A laser projector having a configurable spatial light modulator (SLM) adapted to display various spatial modulation patterns and redirect illumination from a laser to form an image on the viewing screen. The laser projector drives the SLM to change spatial modulation patterns at a rate that causes the corresponding sequence... Agent: Mendelsohn & Associates, P.C.

20080212036 - Projection type color projector: A projection type color projector apparatus comprising: a laser light source configured to emit laser beams of three colors, red, green, and blue, in accordance with an image signal for projecting a color image on a screen; and a color image generating unit configured to generate the color image based... Agent: Fish & Richardson P.C.

20080212035 - System and method for aligning rgb light in a single modulator projector: A projection system that includes a singe light modulation device and a plurality of light sources of different wavelengths. Each wavelength of light is incident on the light modulation device at a spatially distinct location and a temporally distinct time. The use of a scanning mirror allows the projection system... Agent: Grant R Clayton Clayton Howarth & Cannon, PC

20080212037 - Miniature color display apparatus: A miniature color display apparatus are disclosed. In accordance with an embodiment of the present invention, the miniature color display apparatus can include N light sources, emitting each two-dimensional color beam of light, N is a natural number and is the same as or larger than 3; a path adjusting... Agent: Christensen, O'connor, Johnson, Kindness, PLLC

20080212038 - Projection display system: A projection display system comprising a projection display unit including a light source, an image display element, a lighting optical system irradiating a beam of light on the image display element, and a projection optical system projecting an image light from the image display element toward a screen. The projection... Agent: Antonelli, Terry, Stout & Kraus, LLP

20080212039 - Displaying and navigating digital media: A device for navigating and displaying digital media, such as images, videos, audio files etc, is described. The device determines the distance between the device and a projection screen and selects media for display based on this distance. A user can, therefore, navigate through a media collection by moving the... Agent: Lee & Hayes PLLC

20080212040 - Holographic mems operated optical projectors: A method forms an image with a reconfigurable array of mirrors. The method includes configuring the array by translating some of the mirrors such that distances of the mirrors of the array from a reference plane have a non-uniform spatial distribution. The method includes illuminating the configured array with a... Agent: Lucent Technologies Inc. Docket Administrator - Room 2f-190

20080212041 - Information processing device and projection program: An information processing device including a projection unit which, when a predetermined signal is received while an image displayed on a display is being viewed, projects the image displayed on the display onto, for example, a wall as a substitute for a screen, which is not provided in the information... Agent: Kratz, Quintos & Hanson, LLP