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Optics: image projectors April category listing, related patent applications 04/12

20120099081 - Projector array for multiple images: A projector array includes a plurality of projectors, which together project images into a projection area on a projection surface. Aspect ratios are normalized for all of multiple images designated for display. The normalized aspect ratios are aligned at a common central point. An aspect ratio of a minimum rectangular... Agent:

20120099082 - Illumination apparatus and projection apparatus: An illumination apparatus including a first light emitting device, a first phosphor layer, a second light emitting device and a second phosphor layer and a beam combining element is provided. The first light emitting device is capable of providing a first light beam and the first phosphor layer is disposed... Agent: Coretronic Corporation

20120099083 - Color wheel unit and projection system using the same: A color wheel unit according to the exemplary embodiments of the present invention is characterized by: a motor; a substrate rotated by the motor; and a plurality of light emitting diodes (LEDs) mounted on the substrate, wherein the substrate is divided into a plurality of regions, and at least one... Agent: Lg Innotek Co., Ltd.

20120099084 - Light source control device, projector, and light source control method: A light source control device and a light source control method each capable of preventing the scroll noise from occurring without being affected by the characteristics of a light modulation device, and a projector equipped with the light source control device are provided. The light source device includes a duty... Agent: Seiko Epson Corporation

20120099085 - Light emitting diode package and projection apparatus: A light emitting diode package including a carrier, at least one LED chip, and a light guide element. The LED chip is disposed on the carrier. The light guide element including a light transmissive body, a light integration part, a reflective film, and a support part is disposed on the... Agent: Young Optics Inc.

20120099087 - Projection display device: A projection display device includes an opening formed in a main body cabinet; a part to be attached in the main body cabinet through the opening; a cover which covers the opening; a detector which detects closure of the cover; and a first contact part and a second contact part... Agent: Sanyo Electric Co., Ltd.

20120099086 - Reduced-speckle laser projector with speckle-reduction: A laser projector includes a housing, a light source arranged within the housing, and a vibration module arranged within the housing to cause the light source to vibrate in a predetermined range.... Agent: Hon Hai Precision Industry Co., Ltd.

20120092624 - Illumination device and display unit: An illumination device includes: a light source section having plural kinds of light sources, in which the light sources emits light beams having different wavelengths; a parallelizing optical system parallelizing each of the light beams entered from the light sources, and allowing each of the parallelized light beams to exit... Agent: Sony Corporation

20120092625 - Projector: A projector including light valves respectively corresponding to red light, green light, and blue light. A color combining prism (e.g., cross dichroic prism) combines modulated light emitted from the light valves. A projection lens enlarges and projects the combined light from the color combining prism. An aberration correction lens corrects... Agent: Sanyo Electric Co., Ltd.

20120092626 - Projection apparatus: A projection apparatus includes a light source, a light valve, a light uniforming device, and a lens module. The light source provides an illumination beam. The light valve on a transmission path of the illumination beam converts the illumination beam into an image beam. The light valve has an active... Agent: Young Optics Inc.

20120092627 - Lamp unit and video projector including lamp unit: A lamp unit includes a lamp holder that holds a lamp, which includes an arc tube, and a connector, which includes a cable connected to the lamp to supply power to the lamp. A wall member partitions a space formed between the lamp holder and the arc tube. The cable... Agent: Sanyo Electric Co., Ltd.

20120092628 - Projection optical system and image projector: A projection optical system configured to project an image onto a projection surface includes a first optical system including at least one dioptric system and having positive power as a whole; a second optical system including a reflection region and a transmission region; and a third optical system including at... Agent: Ricoh Company, Ltd.

20120092629 - Projection device: A projection device including an optical engine base, a light source, a light valve, and a projection lens is provided. The light source includes a component holder, a light component, and light lens. The component holder is assembled to the optical engine base, and has a component slot and a... Agent: Young Optics Inc.

20120092630 - Projection type display device and light amount adjustment method: A projection type display device that displays an image with projected light onto a target to he projected, including a first sensor (12) that detects reflected light of the projected light; a second sensor (13) that detects an infrared ray in a predetermined range in an optical path direction of... Agent:

20120086914 - Projection display device and method for controlling the same: An electricity storage section that stores power from an external power source and supplies the stored power as operating power is provided, and, when an interruption of the external power source to a projection display device is detected, control to reduce the power consumption of a device main body and... Agent: Seiko Epson Corporation

20120086915 - Image projection apparatus tiling system and method: In one tiling system described below, a first portable projection device (101) projects a first image (103) on a projection surface (105). A periphery delimiting light source projects a peripheral image demarcation (107), which can be non-visible light, about the first image (103). A second portable projection device (102) projects... Agent: Microvision, Inc.

20120086916 - Illumination unit, projection type display unit, and direct view type display unit: An illumination unit includes one or more light sources each including a solid-state light-emitting device having a light emission region configured of one or more light-emission spots, one or more traveling-direction angle conversion device each converting a traveling-direction-angle of light, and an integrator including a first fly-eye lens having cells... Agent: Sony Corporation

20120086917 - Optical unit, projection display apparatus, and optical diffuser: Disclosed is a projection display apparatus which is provided with: a light source (110) which emits light having coherency; a light modulation element (500), which modules the light emitted from the light source; and a projection unit (150) which projects, to a projection plane, the light emitted from the light... Agent: Sanyo Electric Co., Ltd.

20120086918 - Projection display device and method for controlling the same: When the operation of a device main body is stopped, control to close an exhaust port shutter is performed, detection as to whether or not the exhaust port shutter is closed is performed, when the exhaust port shutter is not closed, the control to close the exhaust port shutter is... Agent: Seiko Epson Corporation

20120086919 - Cooling device and projector comprising the same: A cooling device and a projector comprising the same are provided. The projector comprises a light source. The cooling device is disposed adjacent to the light source for cooling a bulb of the light source. The cooling device comprises a blower and a guiding device. The blower is used to... Agent: Delta Electronics, Inc.

20120086920 - Light source cooling device and projection type display device: Provided is a light source cooling device that includes: a case in which exhaust port (112) is formed; ventilation device (102) that has a blowing port blowing air and that is located in the case; flow path component (301); light source (101); and holding part (121) disposed in an inner... Agent:

20120086923 - Light source device, projector, and driving method of discharge lamp: To prevent biased consumption of electrodes in a discharge lamp and to prevent biased precipitation of the electrode material, a light source is provided. The light source device has a discharge lamp that emits light by discharge between a first electrode and a second electrode; and a driver that supplies... Agent: Seiko Epson Corporation

20120086922 - Projection display device: A projection display device includes: an aperture part which narrows light traveling toward an imager; a control part which controls the aperture part; a detection part which detects brightness of an image to be projected; and a determination part which determines whether the image is a still image or a... Agent: Sanyo Electric Co., Ltd.

20120086921 - Turning off a projector: A method of and apparatus for turning off a projector. The method and apparatus identify a condition to the effect that the projector should not be powered on, identify a condition to the effect that the power draw of the projector is above a threshold value, and instruct the projector... Agent:

20120086924 - Auto focusing mobile projector and method thereof: A mobile projector and method are provided for performing Auto Focusing (AF). The mobile projector includes a projection system for projecting an image onto a screen, a camera module for receiving an input image which is the projected image, an edge detection logic for detecting an edge value of the... Agent: Samsung Electronics Co., Ltd.

20120081673 - Image system: Provided is an electronic image display and control system comprising in various embodiments a microdisplay video projector that projects a high quality color image from a non-CRT image source onto a diffused but transmissive optical projection screen that is optically coupled with and viewable through a biocular adapted to this... Agent: Palomar Display Products, Inc.

20120081672 - Light source apparatus and projection display apparatus: A light source apparatus includes: a light source that emits blue component light; a polarization adjuster that adjusts a polarization state of the blue component light emitted from the light source; a separation optical element that separates the blue component light emitted from the light source into a first optical... Agent: Sanyo Electric Co., Ltd.

20120081674 - Light source apparatus and projection display apparatus: A light source apparatus includes: a light source; a reflection rotary body; an optical path changing element; and a polarization controller. The polarization controller controls polarization of the first color component light to a different polarization by means of transmission of the first color component light emitted from the light... Agent: Sanyo Electric Co., Ltd.

20120081671 - Polarization conversion element, polarization conversion unit, projection apparatus, and method for manufacturing polarization conversion element: A polarization conversion element is equipped with an element main body having a light incident surface and a light emission surface that are generally in parallel with each other, and a phase difference plate bonded to the light emission surface of the element main body. The element main body includes... Agent: Seiko Epson Corporation

20120081675 - Mass media video player: The present invention provides a mass media video player which comprises an edge blending apparatus for video signals, plurality of projectors, a plurality of reflector assemblies and a screen. By making use of the optical projection effect, the images projected from the plural projectors are reflected by plural reflector assemblies... Agent:

20120081676 - Projection image display apparatus: There is provided a projection image display apparatus which is excellent in quality of a display screen image even if a projection lens using a plastic lens having an asymmetrical shape with respect to an optical axis is used. The apparatus includes a projection lens which obliquely projects video light... Agent:

20120081677 - Projection display apparatus: A projection display apparatus includes a housing member containing a light source, an imager that modulates light emitted from the light source, and a projection unit that projects the light emitted from the imager on a projection surface. The projection display apparatus includes: a movement mechanism that moves an optical... Agent: Sanyo Electric Co., Ltd.

20120081678 - Projection display apparatus and image adjustment method: A projection display apparatus displays a test pattern image formed of at least parts of three or more line segments defining three or more intersection points. The projection display apparatus computes a positional relationship between the projection display apparatus and the projection surface, based on the three or more intersection... Agent: Sanyo Electric Co., Ltd.

20120081679 - Light source apparatus and projection display apparatus: A light source apparatus includes: a light source unit; a light guiding reflection mirror; a reflector; and a luminous body unit. The luminous body unit includes: a luminous body and a reflecting body. The plurality of light sources are disposed around a position corresponding to an axis on which the... Agent: Sanyo Electric Co., Ltd.

20120081680 - Package for a projector: A packaging product for projectors is described, wherein the package contains a projector which has been preloaded with program material for projection, and wherein a prospective purchaser of the projector may see a preview of the program material which is contained in the projector. The controls for the projector are... Agent: