Patents Examined by Derek S. Chapel
-
Patent number: 10845583Abstract: A scanning microscope includes a scanning unit that causes irradiation light emitted by a light source to scan a sample, an optical system that guides the emitted light that has passed through the scanning unit to the sample, an isolation unit that includes a transmissive portion that enables the irradiation light to pass the transmissive portion and a reflective portion that reflects at least some of light that is included in emitted light generated from the sample as a result of the irradiation light being radiated to the sample and that has passed through the optical system and the scanning unit, and a detection unit that detects the emitted light that has passed through the isolation unit. The isolation unit is disposed in an optical path of the irradiation light between the light source and the scanning unit.Type: GrantFiled: November 29, 2016Date of Patent: November 24, 2020Assignee: Canon Kabushiki KaishaInventors: Naoki Kohara, Akira Yamamoto
-
Patent number: 10845674Abstract: A ghost reducing device and an imaging device provided with it, a ghost reducing method, and an imaging optical system that can effectively reduce ghosts while having a simple and inexpensive configuration. A ghost reducing device includes a douser that has at least one opening that lets light pass through, and that totally blocks light in a symmetrical position of the opening with respect to an optical axis of an imaging optical system. The douser is disposed in the vicinity of a pupil position of the imaging optical system.Type: GrantFiled: November 24, 2016Date of Patent: November 24, 2020Assignee: KAMUY Innovation CorporationInventors: Koutarou Takigami, Yasuhiro Sawada
-
Patent number: 10816785Abstract: The present invention relates to a coded zoom knob (3) for detecting the rotation of the zoom drive shaft (4) of a zoom system (10) of a microscope (1), comprising a stator (40) and a rotor (30) rotatable in relation to the stator (40), the rotor (30) being adapted to be mounted to the zoom drive shaft (4), and the stator (40) comprising a rotation sensor (43) for sensing a rotation of the rotor (30), and to a method of retrofitting a microscope with such a coded zoom knob (3).Type: GrantFiled: February 13, 2018Date of Patent: October 27, 2020Assignee: Leica Instruments (Singapore) Pte. Ltd.Inventors: Chee-Keong Chew, Peng Liu, Andreas Bosch
-
Patent number: 10809430Abstract: Various embodiments may provide a polarization device for polarizing electromagnetic waves. The polarization device may include a stacked arrangement including a medium and an anti-reflection coating in contact with the medium. The polarization device may also include a periodic array of polarization elements in contact with the medium. The polarization device may be configured to, based on an electric response and a magnetic response of the periodic array of the polarization elements, transmit first polarized electromagnetic waves having a first polarization and reflect second polarized electromagnetic waves having a second polarization upon receiving the electromagnetic waves.Type: GrantFiled: December 15, 2016Date of Patent: October 20, 2020Assignee: Agency for Science, Technology and ResearchInventors: Arseniy Kuznetsov, Ramon Jose Paniagua Dominguez
-
Patent number: 10802444Abstract: An illumination apparatus using a coherent light source, including a light beam scanning device that irradiates a light beam onto a hologram recording medium, and scans the light beam so that an irradiation position of the light beam on the hologram recording medium changes with time. The light beam scanning device scans the light beam so that an irradiation direction of the light beam with respect to the hologram recording medium is along the particular optical path, the light beam scanning device having a function of bending the light beam at a fixed scanning origin so that the light beam swings around the fixed scanning origin on a plane including the fixed scanning origin, and scans the light beam in a one-dimensional direction on the hologram recording medium. Illumination light obtained from the hologram recording medium is irradiated onto a light receiving surface.Type: GrantFiled: July 18, 2016Date of Patent: October 13, 2020Assignee: DAI NIPPON PRINTING CO., LTD.Inventor: Makio Kurashige
-
Patent number: 10802376Abstract: An auto focus support section (13) of a lens driving device has a support body (41) and a reinforcing section (42). The support body has a fixed end (411) connected to an auto focus fixing section (12), free ends (413) connected to an auto focus movable section (11), and arms (412) connected to the fixed end and the free ends. The arms are made of an elastic material, with two hinge sections (412a, 412b) thinner than surrounding structures and axes orthogonal to the optical axis, that move together with the auto focus movable section towards the optical axis. The arms bend in opposite directions at the two hinge sections. The reinforcing sections are made of a material more rigid than the elastic material of the arms, and are disposed between the two hinge sections of the arms.Type: GrantFiled: May 31, 2016Date of Patent: October 13, 2020Assignee: MITSUMI ELECTRIC CO., LTD.Inventor: Masayoshi Sugawara
-
Patent number: 10802441Abstract: The present disclosure provides an optical modulation device, an optical modulation method and a holographic display apparatus. The optical modulation device is configured to perform optical modulation of a light beam and comprising: an amplitude modulator, configured to perform amplitude modulation of the light beam based on amplitude information in complex amplitude information of each pixel of a digital hologram; an optical scanning assembly, configured to scan the light beam within a predetermined range; a phase modulator, configured to perform phase modulation of the light beam based on phase information in the complex amplitude information.Type: GrantFiled: March 14, 2018Date of Patent: October 13, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Bingchuan Shi
-
Patent number: 10795236Abstract: In an optical unit with shake correction function, a first stopper mechanism configured to define a swinging range of a movable member is composed of: a first projection part for stopper and a second projection part for stopper, both of which are provided in a camera module; and a projection portion (abutment target) of a holder bottom plate member. Therefore, when the first projection part for stopper and the second projection part for stopper; and the projection portion of the holder bottom plate member abut against each other and then movement in the Z axis direction of the movable member is restricted, the camera module does not move in the Z axis direction any more. Accordingly, the camera module does not slip off from a camera module holder of the movable member.Type: GrantFiled: March 28, 2018Date of Patent: October 6, 2020Assignee: NIDEC SANKYO CORPORATIONInventors: Shinji Minamisawa, Takeshi Sue
-
Patent number: 10795128Abstract: An image capturing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element has negative refractive power. The second lens element has an object-side surface being convex. The fourth lens element has an image-side surface being convex. The fifth lens element has negative refractive power. A total number of the lens elements in the image capturing optical lens assembly is five.Type: GrantFiled: August 1, 2018Date of Patent: October 6, 2020Assignee: LARGAN PRECISION CO., LTD.Inventors: Tung-Yi Hsieh, Wei-Yu Chen
-
Patent number: 10782464Abstract: In a general aspect, optical beams are manipulated. In some cases, an optical device includes an inlet to receive a first beam, and one or more prism pairs. Each prism pair includes one or more birefringent gradients configured to transform the first beam into a second beam. The second beam is associated with a lattice of cells, where each cell includes a first portion and a second portion. The first portion is associated with a first orbital angular momentum (OAM) mode and a first polarization, and the second portion is associated with a second OAM mode and a second polarization.Type: GrantFiled: November 28, 2017Date of Patent: September 22, 2020Assignee: Quantum Valley Investment Fund LPInventors: Dusan Sarenac, David G. Cory, Dmitry A. Pushin, Joachim Nsofini, Ian Hincks
-
Patent number: 10775739Abstract: Disclosed is a coherence-adjustable digital holography system. More particularly, the coherence-adjustable digital holography system includes a light source part for generating low-interference light; a dispersion part for dispersing the generated light, an adjustment part for adjusting coherence by adjusting a spectrum bandwidth of the light which has passed through the dispersion part; and a detection part for detecting a holographic image of a subject from the adjusted light. In accordance with such a configuration, an interference fringe may be easily obtained through coherence adjustment, whereby the accuracy of a detected holographic image may be improved.Type: GrantFiled: June 27, 2017Date of Patent: September 15, 2020Assignee: INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITYInventors: No Cheol Park, Jang Hyun Cho, Sung Bin Jeon, Ji Nan Jin
-
Patent number: 10768405Abstract: The invention relates to a microscope (12) having an objective interchange apparatus (22) comprising a holder (21) for receiving a number of objectives (1) at respective holder positions (21.n) and an objective receptacle (11) which is configured for receiving an objective (1) and is arranged in an optical beam path (13) of the microscope (12). The microscope (12) is characterized by an objective delivery device (20) which is configured for transporting in each case a selected objective (1) having an objective retainer (3) between its holder position (21.n), which is delivered to a transfer position (ÜP), and the objective receptacle (11), wherein the objective receptacle (11) remains in the optical beam path (13) during the transport of the objective (1).Type: GrantFiled: October 25, 2016Date of Patent: September 8, 2020Assignee: CARL ZEISS MICROSCOPY GMBHInventors: Peter Schacht, Hubert Wahl, Nils Langholz, Tobias Hackel
-
Patent number: 10761338Abstract: An image shake correction device includes: a base member; a lens frame that holds an image shake correction lens, and is mounted on the base member so as to be movable in a first direction and a second direction perpendicular to the first direction within a plane perpendicular to an optical axis of the image shake correction lens; a plurality of expandable and contractible mooring members that moors the lens frame to the base member such that the lens frame is able to move in the first direction and the second direction; a bracket that is supported by the base member so as to be swingable around a first axis parallel to the first direction; and a driving unit that drives the lens frame in the first direction and the second direction, as defined herein.Type: GrantFiled: May 23, 2018Date of Patent: September 1, 2020Assignee: FUJIFILM CorporationInventor: Hajime Fukushima
-
Patent number: 10754132Abstract: An imaging optical system, in particular a projection objective, for microlithography, includes optical elements to guide electromagnetic radiation with a wavelength in a path to image an object field into an image plane. The imaging optical system includes a pupil, having coordinates (p, q), which, together with the image field, having coordinates (x, y) of the optical system, spans an extended 4-dimensional pupil space, having coordinates (x, y, p, q), as a function of which a wavefront W(x, y, p, q) of the radiation passing through the optical system is defined. The wavefront W can therefore be defined in the pupil plane as a function of an extended 4-dimensional pupil space spanned by the image field (x, y) and the pupil (p, q) as W(x, y, p, q)=W(t), with t=(x, y, p, q).Type: GrantFiled: March 8, 2013Date of Patent: August 25, 2020Assignee: Carl Zeiss SMT GmbHInventors: Olaf Rogalsky, Sonja Schneider, Boris Bittner, Jens Kugler, Bernhard Gellrich, Rolf Freimann
-
Patent number: 10754165Abstract: An optical combiner that combines light from a plurality non-coherent light sources and directs it to a single output is described. The non-coherent light sources are arranged within a housing in a linear fashion, with light emitted from at least two of the non-coherent light sources directed towards a focusing lens by reflection from wavelength-selective mirrors, with the focus of the focusing lens directed to an input of an optical waveguide. Reflected light from at least one non-coherent light source passes through at least one wavelength-selective mirror that reflects light from a different non-coherent light source. A terminal non-coherent light source passes through all the wavelength-selective mirrors. Emitted light is transmitted or reflected along a plurality of optical axes that are parallel but offset to correct for refraction.Type: GrantFiled: November 6, 2015Date of Patent: August 25, 2020Assignee: PhotonX TherapeutX, Inc.Inventors: Scot L. Johnson, Michael Wayne Harter
-
Patent number: 10746911Abstract: A transparent heat-shielding/heat-insulating member having a transparent screen function of the present invention includes: an infrared reflective layer and an optical adjustment protective layer in this order from a transparent base substrate side; and a light diffusing layer on a surface of the transparent base substrate that is opposite to the surface on which the infrared reflective layer is formed or between the transparent base substrate and the infrared reflective layer. The optical adjustment protective layer includes at least a high refractive index layer and a low refractive index layer in this order from the infrared reflective layer side. The transparent heat-shielding/heat-insulating member has a visible light reflectance of 12% or more and 30% or less, a haze value of 5% or more and 35% or less, a shading coefficient of 0.69 or less, and a normal emissivity of 0.22 or less.Type: GrantFiled: January 27, 2017Date of Patent: August 18, 2020Assignee: MAXELL HOLDINGS, LTD.Inventors: Teruhisa Miyata, Yoshimasa Mitsumoto
-
Patent number: 10747045Abstract: An optical film for improving contrast ratio, a polarizing plate including the same, and a liquid crystal display including the polarizing plate are provided. An optical film for improving contrast ratio includes a protective layer and a contrast ratio improving layer on the protective layer, and the contrast ratio improving layer includes a first resin layer and a second resin layer facing the first resin layer, and the second resin layer includes a patterned portion having optical patterns and a flat section between the optical patterns, contains a light absorber, and satisfies Equation 1 as defined herein.Type: GrantFiled: February 13, 2018Date of Patent: August 18, 2020Assignee: Samsung SDI Co., Ltd.Inventors: Young Oh, Jeong Ho Lee, Yong Un Jung, Jang Hyun Cho
-
Patent number: 10746364Abstract: A ground illumination aircraft light unit includes a mounting portion, which is configured for mounting the light unit to an aircraft; a transparent cover, which is mounted to the mounting portion and in combination with the mounting portion defines an interior space of the light unit; and at least one light source, which is arranged within the interior space of the light unit and which is configured for emitting light for illuminating an airfield in the vicinity of the aircraft. The light unit is configured to emit predominantly p-polarized light in a predefined spatial sector; and to emit non-polarized light in an area outside said predefined spatial sector.Type: GrantFiled: February 2, 2018Date of Patent: August 18, 2020Assignee: GOODRICH LIGHTING SYSTEMS GMBHInventors: Andre Hessling-Von Heimendahl, Christian Schoen
-
Patent number: 10746978Abstract: An immersion liquid holder 2 is an immersion liquid holder that is used for an observation device 10 for observing sample S by using an immersion method, and includes a supporting member 2b configured to support an absorption member 3 that has absorbed an immersion liquid and a connection unit 2c configured to relatively fix the absorption member 3 that has absorbed the immersion liquid with respect to an optical system, which is an optical system included in the observation device 10, and to fix the absorption member 3 on an optical path of the optical system 1, by fixing the supporting member 2b to the observation device 10.Type: GrantFiled: January 16, 2018Date of Patent: August 18, 2020Assignee: OLYMPUS CORPORATIONInventors: Brendan Brinkman, Yoshihiro Shimada, Daisuke Nishiwaki
-
Patent number: 10732415Abstract: Optical systems, including a mechanical body, a display source, a light-transmitting substrate, an optical device, an image processing unit and an image capturing device. The light-transmitting substrate is in communication with the mechanical body. The optical device couples light waves from the display source into the light-transmitting substrate by total internal reflection. The image processing unit is linked to the display source and is in communication with the mechanical body. The image capturing unit is linked to the image processing unit and is in communication with the mechanical body and has a user controllable zoom position.Type: GrantFiled: May 21, 2018Date of Patent: August 4, 2020Assignee: Lumus Ltd.Inventor: Yaakov Amitai
