With A Display Patents (Class 382/214)
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Patent number: 11074505Abstract: Machine-learning data generators use an additional objective to avoid generating data that is too similar to any previously known data example. This prevents plagiarism or simple copying of existing data examples, enhancing the ability of a generator to usefully generate novel data. A formulation of generative adversarial network (GAN) learning as the mixed strategy minimax solution of a zero-sum game solves the convergence and stability problem of GANs learning, without suffering mode collapse.Type: GrantFiled: September 28, 2018Date of Patent: July 27, 2021Assignee: D5AI LLCInventor: James K. Baker
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Patent number: 10963630Abstract: Systems and methods are provided for sharing a screen from a mobile device. For example, a method includes receiving, at a second mobile device, an image of a screen captured from a first mobile device and determining whether to trigger an automated action. The method may also include displaying, responsive to not triggering the automated action, annotation data generated for the image with the image on a display of the second mobile device, the annotation data including at least one visual cue corresponding to content in the image relevant to a user of the second mobile device. The method may further include, responsive to triggering the automated action, determining that a mobile application associated with the image is installed on the second mobile device and replaying user input actions received with the image on the second mobile device starting from a reference screen associated with the mobile application.Type: GrantFiled: October 29, 2019Date of Patent: March 30, 2021Assignee: GOOGLE LLCInventors: Matthew Sharifi, David Petrou
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Patent number: 9720874Abstract: A method of operating a microphone system includes the steps of monitoring an I/O terminal to detect whether a signal on that terminal achieves a pre-defined logic level during a monitoring period. The I/O terminal and a second I/O terminal are configured to one of a hardware mode or a communications-bus mode depending on whether the pre-defined logic level is detected. A microphone system includes two I/O terminals and an automatic detection and mode switching circuit, as well as a communications bus interface circuit and a hardware control circuit. The mode automatic detection and mode switching circuit couples the two I/O terminals to either the communications bus interface circuit or the hardware control circuit in response to the logic level detected on one of the I/O terminals during a monitoring period.Type: GrantFiled: November 1, 2011Date of Patent: August 1, 2017Assignee: INVENSENSE, INC.Inventors: Olafur M. Josefsson, Yang Pan
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Patent number: 9003435Abstract: A method of recommending media content for a media playing system includes identifying a user in a viewing area; determining whether personal information of the user is stored in a database; and generating information related to a first media content recommendation according to the personal information when the personal information of the user is stored in the database.Type: GrantFiled: October 7, 2013Date of Patent: April 7, 2015Assignee: Wistron CorporationInventors: Hsi-Chun Hsiao, Shou-Te Wei, Hsun-Chih Tsao
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Patent number: 8648912Abstract: Bicycles present before a vehicle are identified. A picked-up image having intensity values that are in accordance with the temperatures of objects is acquired to extract image regions having intensity values representative of higher temperatures than a background. An object, which includes a pair of first object portions (legs) and a second object portion (a tire), would be identified as a bicycle if the pair of first object portions, which have greater dimensions in length in the vertical direction than in width in the horizontal direction and the distance between which is less than a predetermined value in the horizontal direction, are detected from the extracted image regions and further if the second object portion, which has a different intensity value from any one of the first object portions and also has a length greater than a predetermined value in the vertical direction, is existent between the pair of first object portions.Type: GrantFiled: October 8, 2009Date of Patent: February 11, 2014Assignee: Honda Motor Co., Ltd.Inventors: Kodai Matsuda, Makoto Aimura, Izumi Takatsudo
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Patent number: 8643714Abstract: A test device is for testing display parameters of an electronic product with a page browsing function. The electronic product stores display times of a number of standard frames which selected from a standard video file. The standard video file includes frames record the play process of a testing file being played by a standard electronic product. The test device controls a video capturing unit to capture an original video file which includes frames to records the playing process of the electronic product. The electronic product searches matching frames of the number of standard frames in the original video file. Thus the parameters of the electronic product can be determined by display times of the matching frames in the video file.Type: GrantFiled: October 11, 2011Date of Patent: February 4, 2014Assignees: Fu Tai Hua Industry (Shenzhen) Co. Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Yu-Kai Xiong, Xin Lu, Shih-Fang Wong, Dong-sheng Lv, Xin-Hua Li, Yu-Yong Zhang, Jian-Jian Zhu
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Patent number: 8643739Abstract: An image recognition apparatus includes: a storage unit configured to store a dictionary used to recognize a predetermined pattern; a recognition unit configured to detect in image data using the dictionary, as recognition results, a plurality of partial regions having a likelihood of being the predetermined pattern greater than a predetermined threshold; a display unit configured to display the image data, and also display information indicating the partial regions that were detected by the recognition unit; a determination unit configured to determine, based on an instruction by a user, a negative region from among the plurality of partial regions that were detected by the recognition unit; a generation unit configured to generate a learning image based on the determined negative region; and an update unit configured to update the dictionary based on the learning image that was generated by the generation unit.Type: GrantFiled: October 12, 2010Date of Patent: February 4, 2014Assignee: Canon Kabushiki KaishaInventor: Naotsugu Sagawa
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Patent number: 8583421Abstract: A method (300 or 400) of key press prediction on a touch-based device or an apparatus (501) can entail registering (302, 402) a position of a touch press attempt on an icon among a plurality of icons presented on the touch-base device, calculating (304, 404) a distance from a center of the icon, calculating (306, 406) a psychomotor probability for each icon in the plurality of icons, calculating (312, 408) a linguistic probability for each icon in the plurality of icons, calculating (314, 410) a predictive index for each icon in the plurality of icons based on the psychomotor probability and the linguistic probability, and registering (310,416) as a user selected icon, an icon with one among a highest predictive index (316, 412) or a probability higher than a predetermined absolute value (308).Type: GrantFiled: March 4, 2010Date of Patent: November 12, 2013Assignee: Motorola Mobility LLCInventors: Jeremy Slocum, Yuen-Keen Cheong, Minh Quan Phan Huy, Chad Phipps
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Patent number: 8483488Abstract: A method and system for generating stabilized intravascular ultrasonic images are provided. The system includes a probe instrument, having an ultrasonic signal transmitter and a reflected ultrasonic signal receiver, the reflected signals containing information about a tubular environment, and a processor and post-processor, capable of converting inputted signals into one or more, preferably a series of, images. The method for stabilizing images involves the processor and post-processor input and output. The post-processor determines the environment center at each reflection position, detects the tubular environment edges, and aligns the image center with the environment center thereby limiting image drift and stabilizing the images. The processor may also filter images to improve image stabilization and remove motion interference and/or extract the environment's 3D shape. The method and device are of particular use in a vascular lumen, where image drift may occur due to heart beat or blood flow.Type: GrantFiled: August 6, 2010Date of Patent: July 9, 2013Assignee: Medinol Ltd.Inventors: Jacob Richter, Oleg Weizman, Roee Shibolet
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Patent number: 8446612Abstract: An image forming apparatus includes: a storage unit including unique information identify to an apparatus main unit; a setting unit including setting information of the apparatus main unit instead of the unique information; a pattern addition unit that adds an addition pattern based on a unique pattern generated from the unique information or a setting pattern generated from the setting information to image data that is input to the apparatus main unit; an image formation unit that forms a visual image of the image data and an addition image of the addition pattern which is hardly recognized by eyes on a recording medium; and a control unit that changes the addition pattern formed by the image formation unit from the unique pattern to the setting pattern when an error depending on the unique information occurs.Type: GrantFiled: March 1, 2011Date of Patent: May 21, 2013Assignees: Kabushiki Kaisha Toshiba, Toshiba Tec Kabushiki KaishaInventor: Hiroyuki Fuse
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Patent number: 8270729Abstract: The invention to be provided relates to focusing control for obtaining a detected image necessary for image authentication. Through the focusing control, a lens is controlled to be located at an optimum position upon starting authentication. An image authenticating apparatus compares a detected image with a recorded image to carry out authentication using the detected image and the recorded image. The apparatus includes an image-capturing unit (camera unit) that obtains the detected image by capturing an image of a photographed subject, a display unit (image display unit) that displays the detected image on a screen displaying a target image showing the outline of a portion to be detected, and a controlling unit (image processing unit) that controls the lens of the image-capturing unit to locate the lens at a given focusing position relative to the photographed subject upon obtaining the detected image.Type: GrantFiled: December 28, 2006Date of Patent: September 18, 2012Assignee: Fujitsu LimitedInventors: Masashi Saijo, Kenichi Haruki, Kyoko Kobayashi
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Patent number: 8253536Abstract: A security document is disclosed which includes an electrical circuit embedded in a document substrate, where the electrical circuit includes a power source with at least one electroactive polymer power generator, and an optical display including at least one electroluminescent display element and at least one nanohole array which forms a layer of the electroluminescent display element. A method of authenticating a security document is also disclosed, the method including illuminating an encoded nanohole array in the security document with a focused light beam or laser light source emitting at least one defined wavelength of incident light, detecting a transmitted portion of the incident light transmitted through the nanohole array with an optoelectronic sensor, analyzing at least one wavelength of the transmitted portion of light to produce a detected signal, and comparing the detected signal with an authentication signal to authenticate the security document.Type: GrantFiled: April 22, 2009Date of Patent: August 28, 2012Assignee: Simon Fraser UniversityInventors: Bozena Kaminska, Clinton K. Landrock
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Patent number: 8249354Abstract: A method for finding edge points of an object is disclosed. The method includes receiving an electronic image of an object, selecting one or more edge points in the image of the object, creating an image template for each edge point in the object image. The method further includes receiving a command to measure a second object of the same kind as the object and obtaining a measured object image, reading the image templates for the same kind of object from the storage device, and finding a matched sub-image to each image template from the measured object image according to an image matching algorithm, obtaining a central point of each matched sub-image and displaying coordinates of the central point of the matched sub-image.Type: GrantFiled: September 1, 2008Date of Patent: August 21, 2012Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Chih-Kuang Chang, Xian-Yi Chen, Dong-Hai Li, Zhong-Kui Yuan
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Patent number: 7986826Abstract: Certain embodiments of the present invention provide for a system and method for modeling S-distortion in an image intensifier. In an embodiment, the method may include identifying a reference coordinate on an input screen of the image intensifier. The method also includes computing a set of charged particle velocity vectors. The method also includes computing a set of magnetic field vectors. The method also includes computing the force exerted on the charged particle in an image intensifier. Certain embodiments of the present invention include an iterative method for calibrating an image acquisition system with an analytic S-distortion model. In an embodiment, the method may include comparing the difference between the measured fiducial shadow positions and the model fiducial positions with a threshold value. If the difference is less than the threshold value, the optical distortion parameters are used for linearizing the set of acquired images.Type: GrantFiled: January 26, 2011Date of Patent: July 26, 2011Assignee: General Electric CompanyInventors: Dun Alex Li, Joseph Casey Crager, Peter Kelley, Andrey Litvin
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Patent number: 7957582Abstract: Certain embodiments of the present invention provide for a system and method for modeling S-distortion in an image intensifier. In an embodiment, the method may include identifying a reference coordinate on an input screen of the image intensifier. The method also includes computing a set of charged particle velocity vectors. The method also includes computing a set of magnetic field vectors. The method also includes computing the force exerted on the charged particle in an image intensifier. Certain embodiments of the present invention include an iterative method for calibrating an image acquisition system with an analytic S-distortion model. In an embodiment, the method may include comparing the difference between the measured fiducial shadow positions and the model fiducial positions with a threshold value. If the difference is less than the threshold value, the optical distortion parameters are used for linearizing the set of acquired images.Type: GrantFiled: June 21, 2007Date of Patent: June 7, 2011Assignee: General Electric CompanyInventors: Dun Alex Li, Joseph Casey Crager, Peter Kelley, Andrey Litvin
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Patent number: 7925096Abstract: A method and apparatus that validates a hologram by scanning the hologram at multiple angles is disclosed. The method may include scanning a document containing the hologram at a first angle to create a first image, scanning the document containing the hologram at a second angle to create a second image, determining whether the hologram is valid, and sending the validity determination to a user interface for display to a user.Type: GrantFiled: December 12, 2007Date of Patent: April 12, 2011Assignee: Xerox CorporationInventors: Nicholas Baxter, Brian Reid
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Patent number: 7889900Abstract: A method, computer program and device for creating a viewing protocol for medical images is described. At least a first site of interest is identified in a medical imaging data set captured from the patient. Patient record data or computer assisted detection information can be used to identify the site of interest, which may be a potential lesion. A viewing protocol for displaying medical images to a user is planned. The viewing protocol includes a viewing path along which an image of the site of interest will be displayed. The viewing protocol also includes a trigger associated with the site of interest. When the trigger event is encountered the dynamic mode of image display is reconfigured to dynamically highlight the site of interest. The viewing protocol can then be used to control the display of images so as to provide, for example, a virtual endoscope.Type: GrantFiled: February 7, 2006Date of Patent: February 15, 2011Assignee: Koninklijke Philips Electronics N.V.Inventors: Juergen Weese, Eric Thelen, Gundolf Kiefer, Helko Lehmann, Ali Majidi, Jochen Peters
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Patent number: 7812295Abstract: An imaging system is presented for use in multi-range imaging of an object scene by incoherent light. The imaging system comprises aligned a phase mask section, a single focus lens section, and a pixel detector array (PDA). The phase mask section has a generally non-diffractive, narrowly bounded, phase variation corresponding to a profile of a through-object Modulated Transfer Function (MTF) of the imaging system, where the profile has, at an at least one non-zero spatial frequency, at least two regions of growth leading to the MTF higher than 10%.Type: GrantFiled: December 4, 2008Date of Patent: October 12, 2010Assignee: Xceed Imaging Ltd.Inventors: Zeev Zalevsky, Ido Raveh
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Patent number: 7761326Abstract: A token type content providing system is provided, in which the system includes a portable user terminal and a linkup server, the portable user terminal includes: a part for obtaining a token from an information notification medium; a part for sending the token to a linkup server; and a part for receiving content information; the linkup server includes: a part for determining one or more content identifier corresponding to the token by using a token table database; a part for obtaining one or more items of content information corresponding to the one or more content identifier; a part for selecting one or more items of content information by referring to the attribute information, and sending a part or the whole of selected content information to the portable user terminal.Type: GrantFiled: April 18, 2002Date of Patent: July 20, 2010Assignee: Nippon Telegraph and Telephone CorporationInventors: Kento Miyaoku, Akihito Akutsu, Yoshinobu Tonomura, Hiroki Shigeyoshi, Kiyoshi Tanaka, Takahisa Taura, Hisako Shiohara, Syunsuke Doi
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Patent number: 7697191Abstract: The present invention relates to a method and a system for synthesizing a prescribed three-dimensional electromagnetic field based on generalized phase contrast imaging. Such a method and apparatus may be utilized in advanced optical micro and nano-manipulation, such as by provision of a multiple-beam optical tweezer.Type: GrantFiled: March 31, 2005Date of Patent: April 13, 2010Assignee: Danmarks Tekniske UniversitetInventor: Jesper Gluckstad
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Publication number: 20080137967Abstract: An apparatus includes a reference point setting unit configured to set a reference point on an image to be fitted into a layout frame of a template, a trimming unit configured to perform trimming processing on the image according to the reference point being set on the image and an aspect ratio of the layout frame, and a layout unit configured to fit the trimmed image into the layout frame.Type: ApplicationFiled: October 29, 2007Publication date: June 12, 2008Applicant: CANON KABUSHIKI KAISHAInventor: Noriyuki Yamamoto
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Publication number: 20080137966Abstract: A method of displaying an image from a image store to a display device at a predetermined output frame period is described in which the image is represented by a plurality of pixels and each pixel has a colour represented by pixel values which define a position within colour space. In the display method, a plurality of regions are defined within colour space, and then each pixel value used within the image is allocated to one of the defined regions within colour space in accordance with the position in colour space of the pixel value. Then, one or more areas of the image are selected, and for each of the selected one or more areas, one of the defined regions within colour space is selected. For each selected area of the image, pixels which have a pixel value which has been allocated to the selected region within colour space are identified and add to the image store.Type: ApplicationFiled: October 19, 2007Publication date: June 12, 2008Applicant: SONY UNITED KINGDOM LIMITEDInventor: Sarah Elizabeth Witt
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Patent number: 7164779Abstract: A method displays an image only to an authorized user by generating a mask image from a data image. The data and mask image are then displayed periodically in an alternating manner on a display device by a select signal. The opening end shutting of an optical shutter device is synchronized to the displaying of the selected images so that only the data image is perceived by the authorized user viewing the display device through the optical shutter device, and a gray image is perceived by an unauthorized user viewing the data and mask images directly.Type: GrantFiled: August 6, 2001Date of Patent: January 16, 2007Assignee: Mitsubishi Electric Research Laboratories, Inc.Inventors: William S. Yerazunis, Darren L. Leigh, Marco S. Carbone
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Patent number: 7149358Abstract: A method, system and computer readable medium for implementing and performing a multi-resolution contrast-based dynamic range management algorithm and allowing for the efficient compression of an intensity dynamic range of an input image to a reduced intensity dynamic range of an image display signal. Specifically, the method, system and computer readable medium of the invention comprise decomposing the input image into a plurality of image components, modifying the intensity characteristics of the plurality of image components and reconstructing the plurality of image components into an output image for display on an image display device. In another aspect of the method, system and computer readable medium of the invention, the decomposition of the input image and reconstruction into an output image are performed using a Laplacian pyramid.Type: GrantFiled: November 27, 2002Date of Patent: December 12, 2006Assignee: General Electric CompanyInventor: David A. Langan
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Patent number: 7130463Abstract: An apparatus and a method are provided to allow a portion of a captured image to be evaluated with a digital camera. A display device of the digital camera can display the captured image. A specific area of interest of the captured image can be defined on the display device by zooming and panning or by defining a window over the captured image, and a histogram derived from only that area of interest can be displayed. The histogram can represent different types of information about the pixels of the captured image within the area of interest such as the levels of individual colors and luminance.Type: GrantFiled: December 4, 2002Date of Patent: October 31, 2006Assignee: Foveon, Inc.Inventor: Randall R. Spangler
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Patent number: 7057769Abstract: In the color image transmission system between a pair of computer image processing systems A & B, a common basic color such as R.G.B. basic color is firstly decided, then this common basic color is transmitted from the system A to the system B so that a digital image (X) is indicated on the monitor of the system B, the color matching operation is applied to the digital image (X) to substantially match the displayed color thereof and decide a correction value a from color data indicated on the monitor of the system B. This correction value ? is used in a color calibration process applied to a digital image (Y) indicated on the monitor of the system B which is created by transmitting an original color image (Y0) from the system A so that a color modified digital image (Z) having a color substantially matched to the color of the original color image (Y0) is indicated on the monitor of the system B.Type: GrantFiled: December 28, 2001Date of Patent: June 6, 2006Assignee: Photographic Art Research LaboratoryInventor: Akira Aoki
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Patent number: 6919970Abstract: When transmitting an image between a pair of computer image processing systems A and B, a common color image Z is used as a medium image, the medium image is read as digital data into the computer of the system B from the system A, the color of the digital image displayed on the monitor of the computer of the system B is adjusted to substantially match the color of the common image Z by operating the conventional color adjustment system of the computer, the deviation from the origin (zero point) of the color data displayed on the monitor (brightness, contrast, chroma, and color balance) is found, and, when transmitting any image through the system A to the system B, the color data of the digital image displayed on the monitor of the computer of the system B is corrected using the deviation as the correction value.Type: GrantFiled: December 28, 2000Date of Patent: July 19, 2005Assignee: Photographic Art Research LaboratoryInventor: Akira Aoki
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Patent number: 6873725Abstract: An apparatus and method in which a still image, or still images, are obtained of a plurality of particles suspended in a fluid medium. Each still image is transferred to an image analyzing unit that measures a set of dimensional characteristics per particle for particles appearing in the image and determine an occurrence characteristic for particles having a matching set of dimensional characteristics. Preferably, a three dimensional representation of the characteristics is displayed in real time. More preferably, the displayed three-dimensional representation is continuously updated and further entries are accumulated on the display as image analysis is performed. The display provides information to a viewer enabling the viewer to determine a shape distribution of the particles within the suspension even when multiple particle shapes are present.Type: GrantFiled: September 9, 2002Date of Patent: March 29, 2005Assignee: Coulter International Corp.Inventor: Renliang Xu
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Publication number: 20040213464Abstract: Systems and methods are described for recording multiple spatially-heterodyned direct to digital holograms in one digital image.Type: ApplicationFiled: June 27, 2003Publication date: October 28, 2004Inventors: Gregory R. Hanson, Philip R. Bingham
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Patent number: 6741929Abstract: Disclosed is a virtual navigation system using a moving image. The system comprises an input section for inputting a command information such as a departure point and a destination each related to a traveling route; a traveling route estimating section for reading the traveling route from the departure point to the destination, which is inputted by the input section, from stored data to estimate an optimum traveling route; a traveling route processing section for processing the moving image for a road and surroundings around the road of the traveling route estimated by the traveling route estimating section; an information processing section for searching moving image data and spatial data each related to the road and the surroundings under control of the traveling route processing section; a storing section for storing road data shown in a map, and the moving image data and the spatial data related to the road and the surroundings.Type: GrantFiled: March 8, 2002Date of Patent: May 25, 2004Assignee: Electronics and Telecommunications Research InstituteInventors: Byoung Woo Oh, Min Soo Kim, Young Kyu Yang
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Patent number: 6525302Abstract: The present invention provides extended depth of field or focus to conventional Phase Contrast imaging systems. This is accomplished by including a Wavefront Coding mask in the system to apply phase variations to the wavefront transmitted by the Phase Object being imaged. The phase variations induced by the Wavefront Coding mask code the wavefront and cause the optical transfer function to remain essentially constant within some range away from the in-focus position. This provides a coded image at the detector. Post processing decodes this coded image, resulting in an in-focus image over an increased depth of field.Type: GrantFiled: June 6, 2001Date of Patent: February 25, 2003Assignee: The Regents of the University of ColoradoInventors: Edward Raymond Dowski, Jr., Carol Jean Cogswell
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Patent number: 6219451Abstract: A notebook computer system having a base unit, a display panel, and display panel indication circuit for identifying the display panel includes a table of display panel IDs and corresponding display panel identification characteristics stored within the base unit. A display panel indicator circuit is provided for being disposed with the display panel, the display panel indicator including a panel ID unique to the type, resolution, and manufacturer of the display panel, the panel ID further including a prescribed count. The indicator circuit further includes a counter and a comparator. A clock signal is provided from the base unit to the display panel indicator circuit while simultaneously monitoring a clock signal count within the base unit.Type: GrantFiled: December 28, 1998Date of Patent: April 17, 2001Assignee: Dell USA, L.P.Inventors: Darrell M. Hunt, Ronald D. Shaw
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Patent number: 6021223Abstract: An image H(x, y) for displaying a target image G(x, y) is displayed on a liquid-crystal display panel and illumination light from an illumination light source is made to pass therethrough to form an image on a PALSLM. Read light h.nu. is radiated to the PALSLM and a phase-modulated light image .alpha.(x, y) read out of the PALSLM is subjected to Fourier transform by a lens. A phase contrast filter gives a predetermined phase shift to only the zero-order light component of Fourier light image .alpha..sub.f (x, y). The phase-shifted light image is subjected to inverse Fourier transform by a lens to project an output image O(x, y) to an output plane. A light image O'(x, y) branched by a beam sampler is picked up by a pickup device and an evaluation value calculating unit evaluates conformity between the image O(x, y) and the image G(x, y). A control unit performs feedback control of optical characteristics of the illumination light source, PALSLM, and phase contrast filter, based on the evaluation result.Type: GrantFiled: October 31, 1997Date of Patent: February 1, 2000Assignees: Hamamatsu Photonics K.K., Riso National LaboratoryInventors: Haruyoshi Toyoda, Jesper Gluckstad
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Patent number: 5695854Abstract: Apparatus for producing a light mask for balancing light across a display area of a vehicle instrument cluster comprises a camera, a digitiser and a computer. An image of the display area is obtained and digitized to produce data relating to the illumination levels of the image at a plurality of pixels. The illumination levels are used to calculate an appropriate light mask for the display area on the basis of the transmissive density of the masking ink used and or a reference illumination value relating to the least lit part of the display area which it is desired to illuminate. The light mask comprises an array of dots having a diameter related to the amount of attenuation required in the area in which the dot is located. Up to three masking layers may be provided if a single layer is insufficient to produce the required attenuation with the chosen masking ink. Balanced coverlays can readily be produced, and the number of masking layers required can also be reduced.Type: GrantFiled: November 2, 1995Date of Patent: December 9, 1997Assignee: Delco Electronics CorporationInventors: Simon Peter Breen, David Dickson, Nigel Ian Barrett
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Patent number: 5499304Abstract: Apparatus for producing a light mask for balancing light across a display area of a vehicle instrument cluster comprises a camera, a digitiser and a computer. An image of the display area is obtained and digitized to produce data relating to the illumination levels of the image at a plurality of pixels. The illumination levels are used to calculate an appropriate light mask for the display area on the basis of the transmissive density of the masking ink used and of a reference illumination value relating to the least lit part of the display area which it is desired to illuminate. The light mask comprises an array of dots having a diameter related to the amount of attenuation required in the area in which the dot is located. Up to three masking layers may be provided if a single layer is insufficient to produce the required attenuation with the chosen masking ink. Balanced coverlays can readily be produced, and the number of masking layers required can also be reduced.Type: GrantFiled: September 19, 1991Date of Patent: March 12, 1996Assignee: Delco Electronics CorporationInventors: Simon P. Breen, David Dickson, Nigel I. Barrett
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Patent number: RE43362Abstract: A method displays an image only to an authorized user by generating a mask image from a data image. The data and mask image are then displayed periodically in an alternating manner on a display device by a select signal. The opening end shutting of an optical shutter device is synchronized to the displaying of the selected images so that only the data image is perceived by the authorized user viewing the display device through the optical shutter device, and a gray image is perceived by an unauthorized user viewing the data and mask images directly.Type: GrantFiled: January 15, 2009Date of Patent: May 8, 2012Assignee: Binary Services Limited Liability CompanyInventors: William S. Yerazunis, Darren L. Leigh, Marco S. Carbone