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Projector and projector system

Patent Number: 8439508
Publication Date: 2013-05-14
Inventors: ; ; ;

A projector that projects an image on a screen, includes: plural image generating units that generate an image lights representing the image; a main body housing that houses the plural image generating units; and plural projection optical units that are provided in the main body housing to respectively correspond to the plural image generating units and project the image lights generated by the image generating units on the ...

Projector with on screen display adjustment and control method thereof

Patent Number: 8439507
Publication Date: 2013-05-14
Inventor:

A projector includes: an OSD processing section that generates a synthesized image formed by synthesizing an OSD image on a main image; an image projecting section that projects and displays the synthesized image; a zoom adjusting section that adjusts a zoom state of the image projecting section; and a zoom state detecting section that detects the zoom state that is adjusted by the zoom adjusting section, wherein the OSD processing section adjusts a size of the OSD image with respect to the ...

Reflector mounting structure and projection display device

Patent Number: 8439506
Publication Date: 2013-05-14
Inventor:

A reflector mounting structure includes a reflector and a fixing member. The reflector includes: a reflecting surface; a reflector body having the reflecting surface formed thereon; a pair of first connecting units provided respectively at an end face of the reflector body and having a substantially spherical first protrusion at an end thereof; and a second connecting unit provided at an end face of the reflector body. The fixing member which supports the reflector includes a pair of first ...

Position adjustment amount calculation method of light modulation device, position adjustment amount calculation device of light modulation device and projector

Patent Number: 8439505
Publication Date: 2013-05-14
Inventor:

A method for calculating a position adjustment amount of projected image includes a first image step of obtaining first image data which is obtained by an image capturing device imaging first feature points which are displayed using light modulated by a first light modulation device, a second imaging step of obtaining second image data which is obtained by the image capturing device imaging a second feature point which is displayed using light modulated by a second light modulation device, ...

Automatic mode switching between single and multiple projectors

Patent Number: 8439504
Publication Date: 2013-05-14
Inventor:

Control of a multiprojector system having multiple projectors arranged in a projector array. It is determined whether the projector array is positioned to form one object or two or more objects. A first keystone correction mode is selected if it is determined that the projector array is positioned to form one object. A second keystone correction mode is selected if it is determined that the projector array is positioned to form two or more objects. In the first keystone correction mode, a ...

Infrared imaging projection

Patent Number: 8439503
Publication Date: 2013-05-14
Inventors: ; ; ;

The subject matter disclosed herein involves systems, methods, apparatuses or devices related to infrared imaging or infrared imaging ...

Control device and projection-type video-image display device

Patent Number: 8434879
Publication Date: 2013-05-07
Inventor:

A focus evaluation value calculation unit acquires a captured image captured by an image capturing unit and then analyzes the image so as to calculate, as a focus evaluation value, a characteristic value that changes in accordance with the focus state of a video image adjusted by a focus adjustment unit. A focus evaluation value storage unit stores the focus evaluation value and a target value of a focus evaluation value. A focus state determination unit determines a display color of focus ...

Proximity projector with a transmissive cover with modified reflectance properties

Patent Number: 8434878
Publication Date: 2013-05-07
Inventors: ;

A projector includes: a projection unit that projects projection light toward an illuminated surface; a housing that houses the projection unit and has an opening that allows the projection light to exit outward; and a cover portion that blocks the opening and transmits the projection light, wherein a plurality of areas is set in the cover portion relative to the projection unit, and a process of changing the reflectance of the light-incident surface of the cover portion at which the ...

Illumination optical system and projection display apparatus

Patent Number: 8434877
Publication Date: 2013-05-07
Inventor:

An illumination optical system and a projection display apparatus include a beam combining portion and a condensing lens condensing a beam from the beam combining portion. The beam combining portion combines beams from first and second lamp units each including a lamp and a concave mirror, the lamp having a cathode and an anode arranged along an optical axis of the concave mirror. The beam combining portion includes a first reflective section disposed on an optical axis of the first lamp ...

Projection type display apparatus having a light source device with improved light utilization efficiency

Patent Number: 8434876
Publication Date: 2013-05-07
Inventor:

A projection type display apparatus having a long-life light source device with high light utilization efficiency includes first and second light source lamps; a light intensity equalizing element; first and second bending mirrors; an image display element modulating a light flux emitted from the light intensity equalizing element and converting it into image light; and a projection optical system projecting the image light on a screen; and the first light source lamp, the second light ...

Projector having light source unit including excitation light source, optical wheel, light emitting light source, and controller

Patent Number: 8434875
Publication Date: 2013-05-07
Inventor:

A light source unit comprising an optical wheel having a plurality of segment areas and including luminescent light emitting areas where at least two luminescent material layers having different characteristics are provided in a circumferential direction, a wheel motor for driving to rotate the optical wheel, an excitation light source for shining light on to the optical wheel, a light emitting light source and a collective optical system for collecting a light beam from the optical wheel ...

Pattern projection light source and compound-eye distance measurement apparatus

Patent Number: 8434874
Publication Date: 2013-05-07
Inventor:

A pattern projection light source is disclosed in which a light source (2a); a plurality of mask regions (5) in each of which a light-transmitting portion that transmits light from the light source therethrough is formed in a predetermined pattern; and a plurality of lenses (7) that each form an image of the predetermined pattern of the light-transmitting portion at a predetermined distance are arranged in this order. Since the pattern projection light source ...

Interactive projection device

Patent Number: 8434873
Publication Date: 2013-05-07
Inventors: ;

An interactive projection device includes a light source configured to emit an input light beam, wherein the light source comprises a visible light emitting device; a first beam splitter configured to split the input light beam into first and second split light beams; a second beam splitter configured to split a scattered light beam received from a surface into third and fourth split light beams; an image forming device configured to produce an image light beam based on the first split ...

Multi-viewpoint floating image display device

Patent Number: 8434872
Publication Date: 2013-05-07
Inventor:

A multi-viewpoint floating image display device enabling observation from multiple viewpoints by combining mirror images of objects to be projected and spatially separated from one another as real images in a small region in space. The display device comprises a multi-viewpoint floating image display optical system having real mirror imaging optical systems each of which forms a real image of each of the objects in a plane-symmetric position symmetric to the object with respect to one ...

Projection screens for three dimensional images

Patent Number: 8434871
Publication Date: 2013-05-07
Inventors: ; ; ;

Projection screens for projection of binocular stereoscopic images include a metallic projection surface that includes a plurality of depressions configured to produce left and right viewable light fluxes in response to received left and right modulated light fluxes. The metallic projection surface can be formed by beadblasting, and multiple panels can be secured together by welding or other process. Projection surfaces can also be formed by molding or otherwise forming a conductive surface ...

Systems and methods for projecting

Patent Number: 8430515
Publication Date: 2013-04-30
Inventors: ; ; ;

The present disclosure relates to systems and methods that are related to ...

Reflective optical element and method for production of such an optical element

Patent Number: 8430514
Publication Date: 2013-04-30
Inventor:

In order to produce stress-reduced reflective optical elements (1) for an operating wave length in the soft X-ray and extreme ultraviolet wavelength range, in particular for use in EUV lithography, it is proposed to apply, between substrate (2) and a multilayer system (4) optimized for high reflectivity at the operating wavelength, a stress-reducing multilayer system (6) with the aid of particle-forming particles having an energy of 40 eV or more, preferably 90 ...

Projection system with extending depth of field and image processing method thereof

Patent Number: 8430513
Publication Date: 2013-04-30
Inventors: ; ;

A projection system comprises an image input element and an optical imaging element. The image input element is configured to input an original image or a processed image. The optical imaging element, an optical system with axisymmetrical structure and specific spherical aberration, is configured to generate an image with extended depth of field on an image projection surface in accordance with the original image or the processed ...

Photonjet scanner projector

Patent Number: 8430512
Publication Date: 2013-04-30
Inventor:

An image projection device for displaying an image onto a remote surface. The image projection device employs a scanner to project image beams of visible light and tracer beams of light onto a remote surface to form a display of the image. The device also employs a light detector to sense at least the reflections of light from the tracer beam pulses incident on the remote surface. The device employs the sensed tracer beam light pulses to predict the trajectory of subsequent image beam light ...

Projection module and electronic device

Patent Number: 8425057
Publication Date: 2013-04-23
Inventor:

A projection module adapted to be disposed in an electronic device is provided. The electronic device includes a main body and the projection module disposed in the main body. The projection module includes a chassis, a light source, a light valve, a first lens group, and a second lens group. The light source and the light valve are disposed on the chassis. The first lens group is fixed on the chassis. The second lens group is slidably assembled on the chassis and is disposed between the ...

Image display apparatus

Patent Number: 8425056
Publication Date: 2013-04-23
Inventor:

An image display apparatus includes: a light source unit which emits axially symmetric polarized light having polarization distribution symmetric with respect to the center axis of light; and a scanning unit which applies the axially symmetric polarized light to a projection surface for scanning to form an ...

Projection type image display apparatus

Patent Number: 8425054
Publication Date: 2013-04-23
Inventors: ;

According to the present invention, a projection type image display apparatus enables control of a large amount of light masking through a light-masking unit while maintaining a uniform illumination distribution in an area to be illuminated by the illumination light. The apparatus uses two array lenses on which lens cells are arranged in matrix form, where light-masking unit masks the array lens installed on the light source side in their particular area. The light-masking unit adjusts the ...

Lighting control device and projector

Patent Number: 8425053
Publication Date: 2013-04-23
Inventor:

A projector includes: a light source; a light modulating device; a projection optical device; a lighting control device configured to control lighting of the light source and include a lighting unit; a control unit includes a storage section, a determination section, an information setting section configured to store problem related information regarding the problem in the storage section, a signal transmission section configured to indicate that the problem has occurred, and a detection ...

Illumination system, method and projection device for controlling light emitted during a spoke time period

Patent Number: 8425052
Publication Date: 2013-04-23
Inventor:

The invention relates to an illumination system (100), a projection device, and a color wheel (20, 22, 24). The illumination system comprises a light source comprising a first light-emitting unit (50) and a second light-emitting unit each emitting light towards a light output window (110). The illumination system comprises the color wheel including a spoke (40) between two adjacent color segments. The system is configured to prevent the spoke when ...

Projector and image projection method

Patent Number: 8425051
Publication Date: 2013-04-23
Inventor:

A projector includes: an image projection unit that projects an image; a trapezoidal correction unit that performs trapezoidal correction on the image projected by the image projection unit; a nonvolatile storage unit that stores the amount of previous trapezoidal correction and a predetermined acceptable value associated with the amount of previous trapezoidal correction, the amount of previous trapezoidal correction being used immediately before at least one of when the projector is ...

Projection display device and keystone correction method

Patent Number: 8425050
Publication Date: 2013-04-23
Inventor:

A projection display device includes: a projection section having an optical system; a parameter obtaining section adapted to obtain a first parameter corresponding to the projection angle showing a relative posture of the projection display device to the projection surface; a vanishing point calculation section adapted to calculate a position of a vanishing point based on the first parameter; an actual zoom ratio obtaining section adapted to obtain an actual zoom ratio; a parameter ...

Oblique projection optical system and projection type display apparatus using the same

Patent Number: 8425049
Publication Date: 2013-04-23
Inventors: ; ;

A projection type display apparatus including an oblique projection optical system having a plurality of lenses is disclosed. A lens nearest to a projection screen has a vertical effective image area through which a light flux passes. The lens is arranged at a position not including an optical axis shared by the largest number of lenses among the plurality of lenses. A flat mirror for returning the optical path is arranged between the particular lens and the projection screen at a ...

Projector systems with light beam alignment

Patent Number: 8425048
Publication Date: 2013-04-23
Inventor:

Embodiments of the present invention generally relate to circuits, systems and methods that can be used to detect light beam misalignment, so that compensation for such misalignment can be performed. In accordance with an embodiment, a circuit includes a photo-detector (PD) having a plurality of electrically isolated PD segments. Additionally, the circuit has circuitry, including switches, configured to control how currents indicative of light detected by the plurality of electrically ...

Keystone correction and lens adjustment for projector

Patent Number: 8425047
Publication Date: 2013-04-23
Inventors: ;

A projector displays an image on a projection surface. The projector has a zoom adjusting module and a keystone correcting module. The zoom adjusting module adjusts zoom level of a zoom lens for enlarged projection of image light. The keystone correcting module corrects trapezoidal distortion of the image displayed on the projection surface by means of forming the effective panel image in a revised image formation area, the revised image formation area being part of the image formation area ...

Cooling device for a projection apparatus and said projection apparatus

Patent Number: 8425046
Publication Date: 2013-04-23
Inventor:

A cooling device applied in a projection apparatus and the projection apparatus are provided. The projection apparatus comprises a first light source, a second light source, a third light source and the cooling device. The cooling device comprises an airflow guiding device and a fan. The airflow guiding device is adapted to define a first flow path and a second flow path. The first flow path has a first position, while the second flow path has a second position and a third position, ...

Light source and projector

Patent Number: 8425045
Publication Date: 2013-04-23
Inventor:

A light source includes: light-emitting portion having a discharge space in the interior thereof; an arc tube having first and second sealing portions provided on both sides of the light-emitting portion along an optical axis; a reflector arranged so that a center where the optical axis passes is located on the side of the first sealing portion with respect to the light-emitting portion and configured to reflect a luminous flux emitted from the light-emitting portion; and an air flow ...

Projection optical system

Patent Number: 8425044
Publication Date: 2013-04-23
Inventors: ; ;

A projection optical system receives light from a display device surface and enlarges and projects a display image thereon onto a screen surface. The projection optical system includes one or more reflective surfaces having an optical power between the display device surface and the screen surface, moves at least one optical device having an optical power to adjust focus and satisfies the following conditional formula: −0.02<{(δ1−δ2)β2}/{(δ1+δ2)β1}<0.2 where δ1 and δ2 represent, ...

Projector having a plurality of optical devices with a purality of optical modulators

Patent Number: 8425043
Publication Date: 2013-04-23
Inventor:

A projector includes: a first optical device, and a first color combining optical device; a second optical device, and a second color combining optical device; a combining optical device adapted to combine emission light emitted respectively from the first optical device and the second optical device; a first polarization conversion device disposed between the first optical device and the combining optical device, and adapted to align a polarization direction of the emission light from the ...

Multi-segment optical retarder for creating 3D images

Patent Number: 8425042
Publication Date: 2013-04-23
Inventors: ;

A multi-segment optical retarder that can be used with or within a single projector for creating 3D images. The multi-segment optical retarder is coupled to an actuator used to effect some predetermined linear, rotary, or oscillating movement of the multi-segment optical retarder such that a fast axis orientation of each segment is substantially constant relative to itself over time and for a given area of ...

Stereoscopic projection systems for employing spatial multiplexing at an intermediate image plane

Patent Number: 8425041
Publication Date: 2013-04-23
Inventor:

Proposed are various embodiments of projection systems that generally provide stereoscopic images. The projection systems act to split a spatially separated image in a stereoscopic image frame and superimpose the left- and right-eye images on a projection screen with orthogonal polarization states. The embodiments are generally well suited to liquid crystal polarization based projection systems and may use advanced polarization ...