With Image Separation By Special Projection Screen Patents (Class 352/61)
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Patent number: 10599028Abstract: A sphere assembly comprises a set or network of curved and triangularly-shaped transparent panels (2) placed next to one another to form a spherical shape of a sphere (1), a set of project films (3) placed on the transparent panels, and a set of connectors (4) for connecting the adjacent curved transparent panels to one another. The sphere assembly may be positioned so that the sphere assembly is held and placed in a secure and well-balanced position for the virtual reality (VR), augment reality (AR), or mixed reality (MR) gameplay or environment. The projection films can receive images or sensory cues from a set of projectors which project images from the VR, AR, or MR environment to the sphere assembly. The projectors may connect upstream to at least one image processing module which receives and processes image information from a player's headset, controller, and other tracking sensors.Type: GrantFiled: December 21, 2016Date of Patent: March 24, 2020Inventors: Nenin Ananbanchachai, Lalin Ananbanchachai, Jomzup Sittipitaya, Ratchai Damnoenkittikun
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Patent number: 10298916Abstract: An autostereoscopic image output device includes an image panel having an array of image pixels defining an image, the image pixels being arranged in rows and columns. An array of parallel lenticular elements is positioned over the image panel, the lenticular elements having optical focal axes that are slanted at an angle (?) to the image pixel columns. The image output device is operable in first and second modes, with the image panel and lenticular element array rotated by 90 degrees between the modes, thereby providing a landscape mode of operation and a portrait mode of operation, the slant angle ? in the landscape mode satisfies: 1???1/2.Type: GrantFiled: October 16, 2017Date of Patent: May 21, 2019Assignee: KONINKLIJKE PHILIPS N.V.Inventors: Siebe Tjerk De Zwart, Martin Gerard Hendrik Hiddink
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Patent number: 10061126Abstract: An optical device includes a plate-shaped Fresnel lens portion made of a first optical material, the Fresnel lens portion having a Fresnel-shaped portion on one side of Fresnel lens portion in a thickness direction of the Fresnel lens portion, the Fresnel-shaped portion having a plurality of grooves, and a partially reflective mirror layer provided on a surface of the Fresnel-shaped portion. The plurality of grooves of the Fresnel-shaped portion is configured such that a surface configuration of the Fresnel-shaped portion has optically freeform surface characteristics and such that each of the grooves has a non-uniform depth.Type: GrantFiled: March 23, 2016Date of Patent: August 28, 2018Assignee: YAZAKI CORPORATIONInventor: Junichi Matsushita
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Patent number: 9300951Abstract: A three-dimensional display system provides a projection screen having a predetermined angularly-responsive reflective surface function. Three-dimensional images are respectively modulated in coordination with the predetermined angularly-responsive reflective surface function to define a programmable mirror with a programmable deflection angle.Type: GrantFiled: January 14, 2010Date of Patent: March 29, 2016Assignee: APPLE INC.Inventor: Christoph H. Krah
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Patent number: 9268147Abstract: An autostereoscopic display method includes providing a plurality of projectors. Each of the projectors is configured for providing a lamp image unit, each of which has a plurality of lamp images actuated in sequence. The lamp images respectively project to different directions to form a projection angle therebetween. The lamp image units are projected onto a screen. The lamp image units are projected to a first lens array of the screen for respectively guiding the lamp image units to an image plane of the screen, such that the lamp image units are adjacent to each other and connected end to end on the image plane. At least two adjacent lamp image units are guided to the same second lenticular lens of a second lens array of the screen for enlarging and combining the projection angles and projecting the lamp image units to an observing surface.Type: GrantFiled: May 9, 2014Date of Patent: February 23, 2016Assignee: DELTA ELECTRONICS, INC.Inventor: June-Jei Huang
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Patent number: 8939585Abstract: A stereo display system including a plurality of projection apparatuses and a screen module is provided. The projection apparatuses project a plurality of image beams. The screen module is disposed in front of the projection apparatuses, wherein the image beams are transmitted toward the screen module. The screen module includes a light diffusion layer and a beam splitting layer. The light diffusion layer has at least one diffusion direction, and the light diffusion layer diffuses the image beams with a diffusion angle. The light diffusion layer is disposed between the beam splitting layer and the projection apparatuses, wherein each of the image beams is divided into a plurality of sub image beams by the beam splitting layer. The sub image beams of each image beam transmit with different angles, such that the image beams form a plurality of stereo image viewing zones after passing through the screen module.Type: GrantFiled: May 29, 2013Date of Patent: January 27, 2015Assignee: Industrial Technology Research InstituteInventors: Chang-Ying Chen, Chao-Hsu Tsai, Chang-Shuo Wu
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Patent number: 8746894Abstract: Methods and systems for displaying three-dimensional (3D) images using motion parallax are described. Images are projected onto a reflector with a rippled or faceted surface. The reflected images are viewed at a plurality of viewing locations and a different image is perceived according to the viewing location.Type: GrantFiled: August 23, 2010Date of Patent: June 10, 2014Assignee: Dolby Laboratories Licensing CorporationInventor: Robin A. Atkins
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Patent number: 7845799Abstract: A projection-type three-dimensional image display apparatus includes a projector, a screen and an image former. The projector projects a plurality of element images containing parallax information to a two-dimensional plane. An image is formed on the screen, of a light transmittance that is electrically controlled by the projector. An image former forms a three-dimensional image having a vertical parallax and a horizontal parallax in a space in front of the screen from the projection image.Type: GrantFiled: June 30, 2010Date of Patent: December 7, 2010Assignee: Panasonic CorporationInventors: Takashi Kubara, Natsushi Ono
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Patent number: 6877857Abstract: An apparatus for showing images. The apparatus includes a screen. The apparatus includes a mechanism for displaying a distinct and separate image for each of a number of different observers simultaneously on the screen. A method for showing images.Type: GrantFiled: December 9, 2002Date of Patent: April 12, 2005Assignee: New York UniversityInventor: Kenneth Perlin
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Patent number: 6801127Abstract: In correspondence with each face of a rectangular parallelepiped obtained when the inside of the rectangular parallelepiped is shot, a monitor screen is split into a plurality of sub-screen areas. An image shot by a vehicle-mounted camera is processed and the processed image is split correspondingly to the sub-screen areas. Each split image is displayed in the corresponding sub-screen areas. This allows intuitive understanding of the direction of an image displayed in a sub-screen thereby providing the driver with an image free from a sense of incongruity.Type: GrantFiled: August 9, 2002Date of Patent: October 5, 2004Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Kazufumi Mizusawa, Masamichi Nakagawa, Shusaku Okamoto, Atsushi Iisaka, Takashi Yoshida
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Patent number: 6623120Abstract: A video projection system employing a concave video screen which provides for enhanced depth cueing. A method of designing a variety of shapes of video screen surfaces by varying certain parameters of a common master equation. Video screen surface shapes providing optimum viewing for specific applications.Type: GrantFiled: February 12, 2002Date of Patent: September 23, 2003Assignee: ConocoPhillips CompanyInventors: Dennis B. Neff, Charles N. Sugg, John R. Grismore
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Patent number: 6578971Abstract: A self-illuminating video screen system employing a concave display surface which provides for enhanced depth cueing. A method of designing a variety of shapes of self-illuminating video screen display surfaces by varying certain parameters of a common master equation. Self-illuminating video screen systems having display surface shapes providing optimum viewing for specific applications.Type: GrantFiled: August 12, 2002Date of Patent: June 17, 2003Assignee: ConocoPhillips CompanyInventor: Dennis B. Neff
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Patent number: 6183089Abstract: A 3-D imaging system for projecting a 3-D panoramic illusion of an object to a viewer has two primary components: a camera having a pair of horizontally spaced anamorphic lenses capable of viewing and capturing a wide angle panoramic view of the object as a 2-D double-squeeze image; and a projector such as a movie projector or CRT for projecting the 2-D double-squeeze image through an image separator layer to the viewer, causing the viewer to perceive the wide angle panoramic view of the object as the 3-D panoramic illusion located in front of the image separator layer. The first anamorphic lens has a red transparent color filter for removing blue light, forming a red color filter image of the object. The second anamorphic lens has a blue transparent color filter for removing red light, forming a blue color filter image of the object. The red and blue color filter images are captured together as the 2-D double-squeeze image.Type: GrantFiled: October 13, 1999Date of Patent: February 6, 2001Inventor: Hossein Tajalli Tehrani
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Patent number: 6108130Abstract: A stereoscopic image sensor may be formed of a single image sensor having a pair of fields formed therein. The fields may be closer to one another than are a pair of left and right image collectors. The close spacing may be achieved by using an image redirector to redirect image information from the spaced apart collectors to the less spaced apart fields on the image sensor. In some embodiments of the present invention, by using a single imaging sensor, a more compact structure may be achieved which may be of lower cost and may enjoy reduced processing complexity. In addition, because a single sensor is utilized, in some embodiments of the present invention, the left and right images may be captured essentially identically.Type: GrantFiled: September 10, 1999Date of Patent: August 22, 2000Assignee: Intel CorporationInventor: Kannan Raj
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Patent number: 6072627Abstract: A stereoscopic image capture device of this invention includes: an image capturing face on which light from an object is incident; an optical element disposed on a side of the image capturing face on which the light is incident, the optical element converting an angle at which the light is incident thereon to a distance from an optical axis the optical element; and an afocal optical system including a plurality of lenses, wherein the afocal optical system forms, on the optical element, an image of the object formed on one of the plurality of lenses which is closest to the object.Type: GrantFiled: July 24, 1996Date of Patent: June 6, 2000Assignee: Sharp Kabushiki KaishaInventors: Toshio Nomura, Masayuki Katagiri, Keisuke Iwasaki, Noritoshi Kako
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Patent number: 5671089Abstract: A device for forming autostereoscopic images by implementing a cylindrical lens array, the device being characterized in that it comprises in succession:an entrance objective (L1, L2);a lens array (20) having diverging elementary cylindrical lenses disposed substantially in the image focal plane of the entrance objective, said array having a focal length such that for an image area equal to the pitch (p) of the lenses making it up, the image of the entrance pupil of the entrance objective (L1, L2) has a nominal width equal to said pitch; anda converging transfer optical system (L3, L4) for forming an orthostereoscopic real image.Type: GrantFiled: January 11, 1996Date of Patent: September 23, 1997Inventor: Pierre Allio
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Patent number: 5347644Abstract: This invention relates to a three-dimensional image display device comprising two or more parallel elements, each element being formed from a transparent material, each element having a coating formed thereon, the coating including means for reflecting a portion of a beam of light having a selected predetermined orientation of a chosen component of electric field vectors and means for passing the remaining portion of the beam of light. The coating may also include an absorbing means including a dielectric absorbing means for a photo responsive means including a dielectric sensitive means.Type: GrantFiled: June 11, 1992Date of Patent: September 13, 1994Inventor: Steven R. Sedlmayr
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Patent number: 5225861Abstract: An apparatus for presentation of apparent three-dimensional images without special viewing glasses is disclosed. A projection system projects right and left stereo images from a stereoscopic slide so that the right stereo image and the left stereo image become superimposed relative to one another on a viewing screen. The viewing screen comprises light transmissive slit-raster members and a light diffusion member. The viewing screen is adapted to allow the right and left stereo images to pass between the opaque raster members and be perceived only by the right and left eyes, respectively, of the viewer as the left image formed in a raster-like manner on the diffusion member is blocked by further opaque raster members and prevented from being perceived by the right eye and the right stereo image also formed in a raster-like manner on the diffusion member is blocked by the further opaque raster members and prevented from being perceived by the left eye.Type: GrantFiled: January 18, 1991Date of Patent: July 6, 1993Inventor: Mortimer Marks
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Patent number: 4872750Abstract: A projected image displaying apparatus for displaying bright three-dimensional images on a display screen. In one embodiment, images in three colors, each in the form of vertically oriented stripes, are projected onto a transmissive diffusion surface with the stripes of the three images interleaved with one another, and preferably slightly overlapping one another. A lenticular lens may be employed to direct the three dimensional image to the eyes of the viewer. In another embodiment, the two-dimensional images are projected in a form of three energy beams, which may be infrared, ultraviolet or visible light, onto a light-emitting layer composed of repeating sequences of first through third phosphor stripes, each corresponding to one of the primary colors.Type: GrantFiled: August 19, 1987Date of Patent: October 10, 1989Assignee: NEC Home Electronics Ltd.Inventor: Masanobu Morishita
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Patent number: 4760443Abstract: For the purpose of simultaneous presentation of an information on a display array (6) a display means has an image movement device (12,13), with the aid of which the image of the display array can be aimed in different directions, preferably along a circle. In addition, an optical bundling system (15) is provided which aims the image in one certain direction only, depending on the momentary position of the image movement device (12,13). Against the viewer a transparent screen (18;58) is provided.Type: GrantFiled: July 9, 1986Date of Patent: July 26, 1988Assignee: Technolizenz EstablishmentInventor: Jan Secka
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Patent number: 4571616Abstract: In a device for displaying three-dimensional pictures, N (with N=2, 3, 4 . . . ) recorded images corresponding to different spatial observation positions are displayed on one or more intermediate display screens (3, 4, 5, 82, 83, 84). The device comprises a viewing screen (6) having lens elements (20, 30) via which corresponding picture segments of the recorded images are displayed. An optical coupling (8, 44) having a plurality of light conductors (8) exists between the viewing screen and the intermediate display screen(s). The light conductors unambiguously associate groups of N corresponding picture segments with lens elements of the viewing screen. By means of the device, three-dimensional pictures can be observed without further auxiliary means for the viewer.Type: GrantFiled: June 27, 1983Date of Patent: February 18, 1986Assignee: U.S. Philips CorporationInventors: Jan Haisma, Gijsbertus Bouwhuis
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Patent number: 4431280Abstract: This invention is an improved synchronized autostereoscopic display device whereby luminous images originating from any transmittance media capable of pictoral image display are both projected from separate fixed positions, each originating from its respective barrier grid cylinder, which said images are gathered by an optical assembly and conveyed by a rotating mirror assembly to a rear-view screen. This vertical picture plane rotates horizontally at high speed enabling each observer the reception of an autostereoscopic image when a complete left and right eye image is viewed by each appropriate eye at interocular distance through a spinning synchronized image separating barrier.The invention provides full freedom and choice of seating arrangement within a volumetric audience viewing zone which is perceptually devoid of psuedoscopy.Type: GrantFiled: November 24, 1981Date of Patent: February 14, 1984Inventor: Lenard B. Carvelo
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Patent number: 4033683Abstract: In an apparatus for viewing an enlarged image there are provided means adapted to project an image onto a reflective surface which in turn projects the image onto a moving screen. The angle of projection of the image onto the screen is maintained less than 10.degree. from normal to avoid distortion. The moving screen comprises a flexible laminate having at least a lenticular like surface and a highly reflective surface which is rotated at high speeds causing the screen to assume a very flat plane of rotation without vibration.Type: GrantFiled: July 14, 1976Date of Patent: July 5, 1977Inventor: Henry J. Tancredi