Patents by Inventor Yeh-Wei Yu
Yeh-Wei Yu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9495993Abstract: A holographic device includes a holographic storage device, a shearing interferometer, and an optical receiver. The holographic storage device is configured to provide a disk with a reading light beam to make the reading light beam become a diffracted light beam after the reading light beam is diffracted in the disk. The shearing interferometer is configured to receive the diffracted light beam and to transform the diffracted light beam into a first light beam and a second light beam. The optical receiver is configured to receive the first light beam and the second light beam provided by the shearing interferometer.Type: GrantFiled: January 31, 2016Date of Patent: November 15, 2016Assignee: National Central UniversityInventors: Yeh-Wei Yu, Ching-Cherng Sun
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Publication number: 20160328595Abstract: A fingerprint detection apparatus, a mobile device using the same and a manufacturing method thereof are provided. The fingerprint detection apparatus comprises an image sensing integrated circuit and a spatial filter disposed on the image sensing integrated circuit. The spatial filter has adjacent light tunnels for restricting an incident angle of light to the image sensing integrated circuit to prevent scattered light from entering the image sensing integrated circuit.Type: ApplicationFiled: May 2, 2016Publication date: November 10, 2016Inventors: Ching-Cherng SUN, Jia-Lung WANG, Jhih-You CAI, Yu-Yu CHANG, Hui-Min TSAI, Ching-Lung TI, Yeh-Wei YU
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Patent number: 9466326Abstract: A holographic storage disk includes a reflective layer, a storage layer, and quarter-wave plate. A storage layer is disposed on the reflective layer and includes a reflection-structure layer and photosensitive units. The reflection-structure layer has cavities, in which the reflection-structure layer is grid-shaped. The cavities penetrate the reflection-structure layer. The photosensitive units are disposed in the cavities. The quarter-wave plate is disposed between the reflective layer and the photosensitive units.Type: GrantFiled: January 31, 2016Date of Patent: October 11, 2016Assignee: National Central UniversityInventors: Yeh-Wei Yu, Ching-Cherng Sun
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Publication number: 20160225401Abstract: A holographic storage disk includes a reflective layer, a storage layer, and quarter-wave plate. A storage layer is disposed on the reflective layer and includes a reflection-structure layer and photosensitive units. The reflection-structure layer has cavities, in which the reflection-structure layer is grid-shaped. The cavities penetrate the reflection-structure layer. The photosensitive units are disposed in the cavities. The quarter-wave plate is disposed between the reflective layer and the photosensitive units.Type: ApplicationFiled: January 31, 2016Publication date: August 4, 2016Inventors: Yeh-Wei YU, Ching-Cherng SUN
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Publication number: 20160225399Abstract: A light interference module includes an object lens, a first light-guiding element, and a second light-guiding element. The object lens is configured to project a signal light beam to an optical storage media. The first light-guiding element is configured to project a first reference light beam to the optical storage media, in which the first reference light beam and the signal light beam produce a first interference pattern on the optical storage media. The second light-guiding element is configured to project a second reference light beam to the optical storage media, in which the second reference light beam and the signal light beam produce a second interference pattern on the optical storage media, and the first interference pattern is different from the second interference pattern.Type: ApplicationFiled: October 12, 2015Publication date: August 4, 2016Inventors: Ching-Cherng SUN, Yeh-Wei YU, Che-Chu LIN
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Publication number: 20160225397Abstract: A holographic device includes a holographic storage device, a shearing interferometer, and an optical receiver. The holographic storage device is configured to provide a disk with a reading light beam to make the reading light beam become a diffracted light beam after the reading light beam is diffracted in the disk. The shearing interferometer is configured to receive the diffracted light beam and to transform the diffracted light beam into a first light beam and a second light beam. The optical receiver is configured to receive the first light beam and the second light beam provided by the shearing interferometer.Type: ApplicationFiled: January 31, 2016Publication date: August 4, 2016Inventors: Yeh-Wei YU, Ching-Cherng SUN
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Publication number: 20160187848Abstract: A holographic storage layer includes a reflective structure and photosensitive units. The reflective structure is a grid-shaped structure and includes cavities. The photosensitive units are disposed in the cavities, in which each of the photosensitive units is surrounded by the reflective structure. First openings and second openings are defined by the reflective structure, and the photosensitive units are exposed by the first openings and the second openings respectively.Type: ApplicationFiled: March 17, 2015Publication date: June 30, 2016Inventors: Yeh-Wei YU, Ching-Cherng SUN
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Publication number: 20160007689Abstract: The invention relates to a button device, attachable to the clothing, comprising: a main grip body, having a clip member for attaching to the clothing.; and a subsidiary grip body, attaching to the clothing and being buckled with the main grip body, where the position of the subsidiary grip body on the clothing is in the same height to that of the main grip body. The subsidiary grip body is provided with a coupling member corresponding to the joint member for mutual engagement, and is provided with a latch member for attaching to the clothing. Accordingly, once the main grip body and the subsidiary grip body are attached to the clothing, and the joint member and the coupling member are engaged one with the other, the dressing is then aesthetic and the new button device is functional, which saves time and efforts for the replacement.Type: ApplicationFiled: July 8, 2014Publication date: January 14, 2016Inventors: CHING-CHERNG SUN, CHIU-FEN WANG, YEH-WEI YU
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Patent number: 9220321Abstract: The invention relates to a button device, attachable to the clothing, comprising: a main grip body, having a clip member for attaching to the clothing; and a subsidiary grip body, attaching to the clothing and being buckled with the main grip body, where the position of the subsidiary grip body on the clothing is in the same height to that of the main grip body. The subsidiary grip body is provided with a coupling member corresponding to the joint member for mutual engagement, and is provided with a latch member for attaching to the clothing. Accordingly, once the main grip body and the subsidiary grip body are attached to the clothing, and the joint member and the coupling member are engaged one with the other, the dressing is then aesthetic and the new button device is functional, which saves time and efforts for the replacement.Type: GrantFiled: July 8, 2014Date of Patent: December 29, 2015Assignee: National Central UniversityInventors: Ching-Cherng Sun, Chiu-Fen Wang, Yeh-Wei Yu
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Publication number: 20150369695Abstract: A detecting system for detecting an under-test light of an under-test object includes a light spatial distribution unit, a chromatic-dispersion light-splitting unit and a detecting unit. The light spatial distribution unit is disposed on a side of the under-test object to receive the under-test light and form a plurality of point light sources. The chromatic-dispersion light-splitting unit is disposed on a side of the light spatial distribution unit to receive the point light sources and produce a light-splitting signal. The detecting unit is disposed on a side of the chromatic-dispersion light-splitting unit to receive the light-splitting signal and produce an optical field distribution of the under-test light.Type: ApplicationFiled: October 20, 2014Publication date: December 24, 2015Inventors: Ching-Cherng SUN, Yeh-Wei YU, Ting-Wei LIN, Che-Chu LIN
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Patent number: 9163797Abstract: An atmosphere light with interacting functions includes a body formed with a plurality of polygon-shaped blocks which are connected to each other, a plurality of lenses respectively covering the blocks, a receiving space defined between the lens and the block, a light source located in the receiving space and mounted at the center on the bottom of the block, a cover assembled in the receiving space and covering the light source, a controller assembled in the body and electrically connected to the light source so that the light source is varied by the controller. Under this arrangement, when the light beams from the light source are transmitted to the lenses, the light beams are refracted by the lenses and passes through the lenses; consequently, the light beam is formed as a virtual image at the center of the body via the refraction.Type: GrantFiled: February 19, 2012Date of Patent: October 20, 2015Assignee: National Central UniversityInventors: Ching-Cherng Sun, Yeh-Wei Yu, Yu-Huan Wang
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Publication number: 20140340476Abstract: A digital holographic microscope is provided. The digital holographic microscope includes a light source, a grating, an image sensing device, and an optical module. The light source is configured for providing a light beam. The grating is disposed between the light source and a sample. The grating is configured for splitting the light beam into a reference light beam and an object light beam. The image sensing device is configured for collecting the reference light beam, and collecting the object light beam reflected from the sample. The optical module is disposed between the light source and the sample, and is configured for guiding the reference light beam to the image sensing device, and guiding the object light beam to the sample.Type: ApplicationFiled: October 7, 2013Publication date: November 20, 2014Applicant: National Central UniversityInventors: Ching-Cherng SUN, Yeh-Wei YU
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Publication number: 20140240807Abstract: The present invention provides a digital hologram recording system and a numerical reconstruction method for a hologram, which are used for capturing an image of an object and recording it as a holographic data. Said system comprises: signal light, formed after irradiating the object with a light source; an image detector, for recording interference fringes of the signal light; and a light pipe, arranged in a path of the signal light and located between the object and the image detector, wherein the light pipe has a reflection surface, and a part of the signal light enters the image detector after reflected by the reflection surface of the light pipe. The present invention can make the collected signal equivalent to several times of the pixel counts of the image detector, thereby able to break through the spatial bandwidth limitation and shortening the amount of time required to measure the hologram.Type: ApplicationFiled: January 13, 2014Publication date: August 28, 2014Applicant: NATIONAL CENTRAL UNIVERSITYInventors: Yeh-Wei YU, Ching-Cherng SUN
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Publication number: 20140049631Abstract: The present invention discloses a microscopy imaging structure with phase conjugated mirror and the method thereof. The afore-mentioned imaging structure produces a reverse focusing conjugated probe beam together with an original probe beam. These two probe beams meet at the focal point in the object body to be probed, and an interference pattern is produced. The interval between any two consecutive wave fronts in the interference pattern is then half of the wavelength of the original probe beam, and hence the vertical resolution of the image is improved. The present invention also applies a light modulator module on the probe beam to easily adjust the depth of the focal point of the probe beam and the phase conjugated reverse focusing probe beam in the object body. With the adoption of this invention, the size or position limitation of the target object is eliminated and the imaging resolution is also improved.Type: ApplicationFiled: October 15, 2012Publication date: February 20, 2014Applicant: NATIONAL CENTRAL UNIVERSITYInventors: Ching-Cherng SUN, Yeh-Wei YU, Che-Chu LIN, Szu-Yu CHEN
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Publication number: 20130293697Abstract: A manufacturing method of an optical element applied to a miniature microscope comprises the steps of: emitting a signal light and a reference light to an optical material; and forming a plurality of gratings on the optical material by interfering the signal light and the reference light. A miniature microscope is also disclosed.Type: ApplicationFiled: April 29, 2013Publication date: November 7, 2013Applicant: NATIONAL CHIAO TUNG UNIVERSITYInventors: Ching-Cherng SUN, Yeh-Wei YU, Chih-Yuan CHENG
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Publication number: 20130120989Abstract: An atmosphere light with interacting functions includes a body formed with a plurality of polygon-shaped blocks which are connected to each other, a plurality of lenses respectively covering the blocks, a receiving space defined between the lens and the block, a light source located in the receiving space and mounted at the center on the bottom of the block, a cover assembled in the receiving space and covering the light source, a controller assembled in the body and electrically connected to the light source so that the light source is varied by the controller. Under this arrangement, when the light beams from the light source are transmitted to the lenses, the light beams are refracted by the lenses and passes through the lenses; consequently, the light beam is formed as a virtual image at the center of the body via the refraction.Type: ApplicationFiled: February 19, 2012Publication date: May 16, 2013Applicant: NATIONAL CENTRAL UNIVERSITYInventors: Ching-Cherng Sun, Yeh-Wei Yu, Yu-Huan Wang
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Publication number: 20130100280Abstract: A detecting apparatus for detecting an object includes at least a screen, at least a detecting unit and at least a holding unit. The screen is partial light-permeable and has a first surface and an opposite second surface. The object is disposed adjacent to the first surface of the screen. The detecting unit is disposed corresponding to the object and located adjacent to the second surface of the screen. The holding unit holds the relative distances between the screen, the object and the detecting unit. The detecting unit captures the image of the second surface of the screen so as to calculate the optical field distribution of the object. The detecting apparatus can measure the optical field distribution of an object quickly and has the advantages of low cost and high accuracy.Type: ApplicationFiled: September 10, 2012Publication date: April 25, 2013Inventors: Ching-Cherng SUN, Yeh-Wei YU, Yen-Lin CHEN, Wei-Hsin CHEN
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Patent number: 8116186Abstract: In the specification and drawings, a collinear holographic storage method is described and shown with a controlling step to control the temperature of the collinear holographic storage media such that the writing temperature of the collinear holographic storage media is from between about 5° C. to about 50° C. higher than the reading temperature of the collinear holographic storage media.Type: GrantFiled: August 24, 2010Date of Patent: February 14, 2012Assignee: National Chiao Tung UniversityInventors: Ching-Cherng Sun, Yeh-Wei Yu
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Patent number: 8102747Abstract: A reading device includes a spatial light modulator, a zoom lens set, an object lens, an image sensor, and an adjusting module. The spatial light modulator provides a reading beam. The zoom lens set forms the reading beam into a real image. The object lens focuses the real image onto a collinear holographic storage medium and thus produces a diffraction signal. The image sensor converts the diffraction signal into an electric signal. The adjusting module adjusts the optical magnification of the zoom lens set according to the quality of the diffraction signal.Type: GrantFiled: August 24, 2010Date of Patent: January 24, 2012Assignee: National Chiao Tung UniversityInventors: Ching-Cherng Sun, Yeh-Wei Yu
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Patent number: 8081552Abstract: A hologram disc reading and writing apparatus including a signal light source module, a beam splitter, a reference/reading light source, a reflector, and an optical reading head and a hologram disc reading apparatus are provided. A signal light beam emitted from the signal light source module is transmitted to a data region of a hologram disc through the beam splitter. The reference/reading light source, the signal light source module, and the optical reading head are disposed at the same side of the hologram disc. The reflector is disposed at the other side. A spherical wave light beam emitted from the reference/reading light source is transmitted through the data region and reflected by the reflector to form a phase conjugate light beam transmitted to and through the data region. The phase conjugate light beam is transformed to a data light beam transmitted to the optical reading head through the beam splitter.Type: GrantFiled: November 16, 2009Date of Patent: December 20, 2011Assignee: National Central UniversityInventors: Ching-Cherng Sun, Yeh-Wei Yu, Che-Chih Hsu, Tun-Chien Teng, Cheng-Hsien Chen