Patents Examined by Christopher Lamb
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Patent number: 11624910Abstract: Provided is a head up display (HUD) device in which occurrence of postcard can be reduced. The HUD device causes an image to be visually recognized as a virtual image. The HUD device is provided with: a projector 100 that emits projection light including light indicating an image; a screen 60 which the projection light reaches; and a light shielding part S that shields at least a part of the projection light excluding the light indicating the image. The screen 60 has a display possible region Rc that is a range which the projection light can reach, and a display region Ra to which the image is projected.Type: GrantFiled: June 17, 2019Date of Patent: April 11, 2023Assignee: NIPPON SEIKI CO., LTD.Inventor: Seiya Koborinai
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Patent number: 11611729Abstract: A display system for use in a Pepper's Ghost illusion includes a light emissive display, a sensor operable to detect the position of an attachment member of a cone, relative to the light emissive display, and a positioning processor operable to position images, which have been distorted by an inverse of the distortion caused by the reflection of the cone, responsive to the detected position of the cone relative to the light emissive display.Type: GrantFiled: January 17, 2020Date of Patent: March 21, 2023Assignee: Sony Interactive Entertainment Inc.Inventors: Michael Eder, Fabio Cappello, Robert Keith John Withey, Nicola Penny Ann Cavalla, Hsinpei Yang
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Patent number: 11606538Abstract: A method for automatic keystone correction in a projection system is provided that includes rectifying a first image to be projected using current keystone correction parameters to generate a first rectified image, projecting, by a projector in the projection system, the first rectified image on a projection surface, determining whether or not current keystone correction parameters are providing sufficient keystone correction after the first rectified image is projected, rectifying a second image to be projected using the current keystone correction parameters to generate a second rectified image if the current keystone correction parameters are providing sufficient keystone correction, computing new keystone correction parameters if the current keystone correction parameters are not providing sufficient keystone correction and rectifying the second image to be projected using the new keystone correction parameters to generate the second rectified image, and projecting, by the projector, the second rectifiedType: GrantFiled: August 12, 2014Date of Patent: March 14, 2023Assignee: Texas Instmments IncorporatedInventor: Vikram VijayanBabu Appia
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Patent number: 11589018Abstract: A rotation-type optical module includes a driving element, a turntable, an optical material, a balancing ring, and a first weight substance. The driving element includes a body and a rotating shaft body. The turntable is sleeved on the rotating shaft body and includes a first surface and a second surface. The optical material is disposed on the first surface of the turntable. The balancing ring is disposed between the driving element and the turntable and includes a third surface and a fourth surface, and the third surface and the second surface face each other. The balancing ring includes an outer retaining wall and at least one inner retaining wall which protrude from the fourth surface, and the first weight substance abuts between the outer retaining wall and the at least one inner retaining wall. A projection apparatus including the foregoing rotation-type optical module is further provided.Type: GrantFiled: February 1, 2021Date of Patent: February 21, 2023Assignee: Coretronic CorporationInventors: Chia-Lun Tsai, Chi-Tang Hsieh
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Patent number: 11578264Abstract: A light conversion device is disclosed. The light conversion device includes a substrate and a wavelength conversion element (111). The wavelength conversion element (111) includes an inorganic binder, such as sodium silicate. Also disclosed are phosphor wheels and light engines including such phosphor wheels. Further disclosed are high-power laser projection display systems comprising a laser having a power of from about 60 W and about 300 W and a light conversion device. The use of an inorganic binder permits high thermal stability at reasonable cost.Type: GrantFiled: September 20, 2017Date of Patent: February 14, 2023Assignee: MATERION PRECISION OPTICS (SHANGHAI) LIMITEDInventors: Wenbo Zhang, Ying Xu, Michael Newell
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Patent number: 11573482Abstract: The projection device includes a projector housing, wherein a light source mechanism is provided on a right side of an internal bottom end of the projector housing, a lens set is arranged on a right side of the projector housing, two guide slots are vertically arranged on an inner wall on a left side of the projector housing, a lifting support is arranged on the two guide slots, the lifting support is fitted to the two guide slots via a lifting device, a first reflector is obliquely arranged on the lifting support, a second reflector is fixedly and obliquely arranged under the lifting support, and a direction of an inclination of the second reflector is opposite to a direction of an inclination of the first reflector.Type: GrantFiled: February 20, 2020Date of Patent: February 7, 2023Assignee: Luxnpro Chengdu Electronics Co., LtdInventor: Jin Zhang
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Patent number: 11550209Abstract: A control method for a projector attachable to a wall via an attachment fixture includes determining whether the projector is attached to the wall, detecting oil included in air, determining, when determining that the projector is attached to the wall, based on a detection result of the oil included in the air, whether confirmation concerning the attachment of the projector is necessary, and displaying, when determining that the confirmation concerning the attachment of the projector is necessary, a confirmation image for urging the confirmation concerning the attachment of the projector on a display surface.Type: GrantFiled: February 6, 2020Date of Patent: January 10, 2023Assignee: Seiko Epson CorporationInventor: Ryohei Fukushima
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Patent number: 11550150Abstract: Examples of the present disclosure relate to a device and system in a vehicle for guiding light towards a user. In an example, the device includes a heads up display (HUD) to guide light towards a user in a vehicle, the HUD. In an example, the device includes a HUD housing with a base plane and a stationary mirror mount on the HUD base. The example can include an adjustable mirror mount on the HUD base and an attachment slot disposed in the HUD housing, the attachment slot to accept a mounting tab, wherein the attachment slot is shaped to accept both of either a predominantly vertical mounting tab or a predominantly horizontal mounting tab.Type: GrantFiled: July 2, 2020Date of Patent: January 10, 2023Assignee: Panasonic Automotive Systems Company of America, Division of Panasonic Corporation of North AmericaInventors: Patrick O'Connell, Edo Omanovic
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Patent number: 11531199Abstract: A light reflection device is provided with a light source configured to emit irradiation light, a reflector configured to reflect the irradiation light emitted from the light source, a housing, and a holder attached to the housing to hold the reflector. The holder is configured to restrict a movement of the reflector and allows a size of the reflector to change in contrast with the holder. A mobile object is provided with the light reflection device, a screen on which an image is formed by the irradiation light reflected by the reflector, a front windshield configured to reflect the irradiation light diverged and projected through the screen, and an imaging optical system configured to project the irradiation light emitted from the screen toward the front windshield.Type: GrantFiled: November 19, 2020Date of Patent: December 20, 2022Assignee: RICOH COMPANY, LTD.Inventors: Jumpei Okamura, Kenichi Yoshimura, Tomohiro Nakajima
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Patent number: 11526011Abstract: A display system of a vehicle displays a virtual image. The display system has a projection device, which is configured to emit display light in order to generate an image, and a reflecting device, which is configured for a first reflection of display light of the projection device arranged above the reflecting device by way of the reflecting device attached in or on an instrument panel of the vehicle. The display light of the projection device incident on the reflecting device is substantially retroreflected. The display system further includes a windshield of the vehicle, which windshield is configured for a second reflection of at least part of the display light, which was reflected by the reflecting device, to the eyes of an observer in the vehicle in order to allow the observer to see, behind the windshield, the virtual image of the image generated by the projection device.Type: GrantFiled: March 22, 2021Date of Patent: December 13, 2022Assignee: Bayerische Motoren Werke AktiengesellschaftInventors: Martin Enders, Jasper Stern
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Patent number: 11520163Abstract: A stereoscopic image apparatus that is capable of minimizing loss of optical energy and improving quality of a stereoscopic image is disclosed. The stereoscopic image apparatus includes a polarizing beam splitter to reflect or transmit incident light based on polarization components of the light to split the light in at least three different directions, a reflective member to reflect the light reflected by the polarizing beam splitter to a screen, at least one modulator to modulate the light reflected by the reflective member and the light transmitted through the polarizing beam splitter, and a refractive member disposed in an advancing direction of light to be incident upon the polarizing beam splitter to refract the light to be incident upon the polarizing beam splitter.Type: GrantFiled: December 9, 2020Date of Patent: December 6, 2022Assignee: RealD Inc.Inventors: Chui Woo Lee, Sung Ho Cho, Byung Gul Lim
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Patent number: 11513431Abstract: A light projection system includes a base, a lens, and a set of flexures flexibly attaching the lens to the base. The light projection system further includes a board fixedly attached to the base, and a light source mounted on the board and spaced apart from the lens along an optical axis of the lens. The light source is configured to emit a light beam to be projected by the lens toward a scene. The light projection system further includes a driving mechanism configured to scan the lens via the set of flexures in a plane substantially perpendicular to the optical axis of the lens, thereby scanning the light beam emitted by the light source over the scene.Type: GrantFiled: January 24, 2020Date of Patent: November 29, 2022Assignee: Cepton Technologies, Inc.Inventors: Wei Wei, Dongyi Liao, Mark A. McCord
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Patent number: 11516448Abstract: The projection image compensating method according to an embodiment of the present disclosure includes acquiring mesh data, at least one representative image, at least one supplementary image, and position information which is information about an obtaining pose of each image for an indoor space; adding an index of each of the plurality of faces to a matrix corresponding to a size of the at least one representative image in accordance with a result of projecting the plurality of faces which configures the mesh data to the at least one representative image; detecting at least one occluded face among the plurality of faces, using an index added to the matrix; and extracting pixel information which is information of a pixel value corresponding to the at least one occluded face from the at least one supplementary image.Type: GrantFiled: November 4, 2019Date of Patent: November 29, 2022Assignee: Korea University Research and Business FoundationInventors: Nak Ju Doh, Hyung A Choi, Bum Chul Jang, Sang Min Ahn
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Patent number: 11513336Abstract: A phosphor wheel device includes a motor having a rotation shaft, a phosphor wheel substrate attached to one end side of the rotation shaft, and a balancer fixed to the phosphor wheel substrate. The balancer has at least one opening that is open to an outside of the phosphor wheel device.Type: GrantFiled: November 25, 2020Date of Patent: November 29, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yusaku Nishikawa, Taiki Bessho, Yasuto Shiroi, Shigekazu Yamagishi, Takashi Ikeda
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Patent number: 11506891Abstract: A method operates a visual field display device, particularly for a motor vehicle, which includes an autostereoscopic planar pixel array for generating a projecting light beam containing a display content, and is designed to project this onto a partially transparent, reflective projection screen, particularly a front windscreen of the motor vehicle, in such a way that a virtual display image superimposed into a field of vision of a user is generated behind the screen. The method provides at least one surroundings parameter and/or user parameter, and switches between at least two qualitatively different 3D, 2D and/or monocular operating modes of the planar pixel array, depending on the surroundings parameters and/or user parameters provided, in order to adapt the virtual display image to qualitative operational changes relating to the surroundings and/or the user of the visual field display device.Type: GrantFiled: July 22, 2019Date of Patent: November 22, 2022Assignee: Bayerische Motoren Werke AktiengesellschaftInventor: Wolfgang-Andreas Huber
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Patent number: 11506963Abstract: The present disclosure provides a mobile terminal and a system for controlling a laser projector. The system includes a first drive circuit, a second drive circuit, a watchdog timer, a microprocessor, and an application processor. The first drive circuit is configured to output an electrical signal to the laser projector. The second drive circuit is configured to supply power to the first drive circuit. The microprocessor is configured to send a first predetermined signal to the watchdog timer. The application processor is configured to send a second predetermined signal to the watchdog timer. The watchdog timer is configured to power off the second drive circuit, in response to that the watchdog timer does not read the first predetermined signal or the second predetermined signal.Type: GrantFiled: May 23, 2019Date of Patent: November 22, 2022Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.Inventors: Xiangnan Lyu, Jian Bai, Biao Chen
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Patent number: 11509873Abstract: A light source generating device, a projection apparatus and a light source generation method are provided. The light source generating device includes a first light source, an auxiliary light source, a control device, a driver and a current command generator. The first light source generates a first light beam. The auxiliary light source generates an auxiliary light beam corresponding to the first light beam. The control device generates a first driving signal to drive the first light source. The driver generates an auxiliary driving signal to drive the auxiliary light source according to the gate control signal and a current command. The current command generator receives an indication signal, and generates the current command according to the indication signal, wherein the indication signal corresponds to a driving current of the first light source. The invention has an effect of enhancing brightness/chrominance.Type: GrantFiled: January 10, 2019Date of Patent: November 22, 2022Assignee: Coretronic CorporationInventors: Chi-Wen Ke, Hung-Wei Lin, Chun-Yi Lee
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Patent number: 11503274Abstract: Implementations of a compressive light field projection system are disclosed herein. In one embodiment, the compressive light field projection system utilizes a pair of light modulators, such as digital micromirror devices (DMDs), that interact to produce a light field. The light field is then projected via a projection lens onto a screen, which may be an angle expanding projection screen that includes a Fresnel lens for straightening the views of the light field and either a double lenticular array of Keplerian lens pairs or a single lenticular, for increasing the field of view. In addition, compression techniques are disclosed for generating patterns to place on the pair of light modulators so as to reduce the number of frames needed to recreate a light field.Type: GrantFiled: May 2, 2019Date of Patent: November 15, 2022Assignee: Disney Enterprises, Inc.Inventor: Quinn Yorklun Jen Smithwick
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Patent number: 11493836Abstract: A light field projector device is described which outputs a light field. The projector has a projector base with a projection optical system configured to output light rays to form a projected image, a collimating optical system configured for collimation of the projected image light rays to form a second projected image, which is directed to a display optical system to produce a light field image. Light field projector devices may be used individually or in combination with one or more other projectors which can be arranged to form a direct projection light field display. The arrangement of light field projector devices may have an individual or shared display optical system. The projector device is designed to provide high pixel density, providing an image that looks crisp and unpixellated.Type: GrantFiled: August 14, 2020Date of Patent: November 8, 2022Assignee: Avalon Holographics Inc.Inventors: Jordan Peckham, Daniel Webber
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Patent number: 11493838Abstract: An optical device includes a phosphor wheel and two light sources. The phosphor wheel has two phosphor regions. The phosphor regions are located at different radial positions of the phosphor wheel and are not overlapped. Each of the phosphor regions has a plurality of color sections. The light sources emit two light beams so as to respectively provide two light spots on the phosphor wheel. During the rotation of the phosphor wheel, the light spots are located at the color sections having the same fluorescent characteristic respectively in the phosphor regions.Type: GrantFiled: September 9, 2016Date of Patent: November 8, 2022Assignee: DELTA ELECTRONICS, INC.Inventor: Ming-Yo Hsu