Patents Examined by William M Johnson
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Patent number: 8610993Abstract: A light control device 1 includes a light source 10, a prism 20, a spatial light modulator 30, a drive unit 31, a control unit 32, a lens 41, an aperture 42, and a lens 43. The spatial light modulator 30 is a phase modulating spatial light modulator, includes a plurality of two-dimensionally arrayed pixels, is capable of phase modulation in each of these pixels in a range of 4?, and presents a phase pattern to modulate the phase of light in each of the pixels. This phase pattern is produced by superimposing a blazed grating pattern for light diffraction with a phase modulation range of 2? or less and a phase pattern having a predetermined phase modulation distribution with a phase modulation range of 2? or less.Type: GrantFiled: December 24, 2009Date of Patent: December 17, 2013Assignee: Hamamatsu Photonics K.K.Inventors: Naoya Matsumoto, Taro Ando, Takashi Inoue, Yoshiyuki Ohtake
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Patent number: 8591032Abstract: Ophthalmic apparatuses, systems and methods are disclosed. One embodiment is an ophthalmic scanning apparatus including a laser operable to emit a laser beam, a scanning mirror operable to scan the laser beam over at least a +/?15 degree scan, and a lens system operable to receive the laser beam from the scanning mirror and direct the laser beam to a spot on an image plane. The spot has a root mean square radius of less than about 3.8 microns over the +/?15 degree scan. Further embodiments include methods of modeling and determining corrective prescriptions for patient's eyes. Additional embodiments are described herein.Type: GrantFiled: January 10, 2011Date of Patent: November 26, 2013Assignee: Indiana University Research & Technology CorporationInventors: Larry N. Thibos, Xin Wei
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Patent number: 8576483Abstract: Disclosed herein is a microscope, including: an illumination optical system; a first image creation optical system; a second image creation optical system; an illumination-field-diaphragm focus adjustment section; and a characteristic-quantity computation block, wherein the illumination-field-diaphragm focus adjustment section adjusts the image creation position for the illumination field diaphragm on the basis of the characteristic quantity computed by the characteristic-quantity computation block.Type: GrantFiled: June 10, 2011Date of Patent: November 5, 2013Assignee: Sony CorporationInventors: Norihiro Tanabe, Takashi Yamamoto, Nobuhiro Hayashi, Ryu Narusawa
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Patent number: 8570649Abstract: An apparatus for and method of performing light sheet microscopy (LISH) and light scanning microscopy (RAPS) in a single device are provided. The dual-mode imaging microscope allows for the use of both LISH and RAPS in a single instrument. This dual-mode device will allow researchers to have access to both types of microscopy, allowing access to the widest possible selection of samples. In addition, the device will reduce the high costs and space requirements associated with owning two different microscopes (LISH and RAPS).Type: GrantFiled: October 29, 2010Date of Patent: October 29, 2013Assignee: California Institute of TechnologyInventors: Thai V. Truong, John M. Choi, Scott E. Fraser, Willy Supatto, David S. Koos
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Patent number: 8521037Abstract: Systems and methods for implementing and using optoelectronic gates are disclosed. One such method includes superimposing an electrical data bit onto a first optical input to produce a pair of first-stage optical outputs. The first one of the pair of first-stage optical outputs carries the electrical data bit and the second carries the complement of the electrical data bit. The method further includes comparing an electrical target bit with the electrical data bit conveyed by the first first-stage optical outputs and with the complement of the electrical data bit conveyed by the second first-stage optical outputs, to determine whether the electrical target bit and the electrical data bit are same or different.Type: GrantFiled: June 1, 2010Date of Patent: August 27, 2013Assignee: University of Central Florida Research Foundation, Inc.Inventors: Peter J. Delfyett, Franklyn John Quinlan, Ibrahim Tuna Ozdur, Sarper Ozharar
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Patent number: 8508871Abstract: Provided is a lens barrel comprising a lens holding member that holds a lens; a guide bar that has a magnetic pattern in which a pair of magnetic poles repeat in a longitudinal direction and that has the longitudinal direction thereof oriented in a direction of an optical axis of the lens to guide the lens holding section to move in the direction of the optical axis; a control portion that is disposed on an outer circumferential surface of the lens holding member and that includes a magnetic body generating magnetic force between itself and the magnetic pattern of the guide bar; and a drive coil that is arranged in a manner to not contact the guide bar and that generates magnetic drive force between itself and the guide bar.Type: GrantFiled: February 2, 2011Date of Patent: August 13, 2013Assignee: Nikon CorporationInventor: Motofusa Kageyama
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Patent number: 8503055Abstract: A curve correction mechanism for correcting a direction and degree of curvature of a reflecting mirror that reflects a light beam includes an adjuster to contact and move a pressing member between a first position, where a first pressing portion of the pressing member presses against an outboard portion of the reflecting mirror provided outboard from a support that supports the reflecting mirror in a longitudinal direction of the reflecting mirror while a second pressing portion of the pressing member is isolated from the reflecting mirror, and a second position, where the second pressing portion of the pressing member presses against an inboard portion of the reflecting mirror provided inboard from the support while the first pressing portion of the pressing member is isolated from the reflecting mirror.Type: GrantFiled: June 7, 2011Date of Patent: August 6, 2013Assignee: Ricoh Company, Ltd.Inventors: Keiichi Serizawa, Hiroshi Johno, Takeshi Yamakawa, Kazunori Watanabe
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Patent number: 8472111Abstract: An apparatus and method for performing optical microscopy are disclosed. In at least one embodiment, the apparatus includes a deep ultraviolet light source configured to generate light having a wavelength within a window in the deep ultraviolet region of the electromagnetic spectrum within which a local minimum in the absorption coefficient of Oxygen occurs. Further, the apparatus includes a lens device that receives at least a first portion of the generated light, directs at least some of the first portion of the generated light toward a location, receives reflected light from the location, and directs at least some of the reflected light toward a further location. Additionally, the apparatus includes a camera device that is positioned at one of the further location and an additional location, where the camera device receives at least a second portion of the reflected light, whereby an image is generated by the camera device.Type: GrantFiled: June 12, 2007Date of Patent: June 25, 2013Assignees: The Arizona Board of Regents on behalf of the University of Arizona, Invent Technologies LLCInventors: Barry Gelernt, Thomas D. Milster
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Patent number: 8451534Abstract: A microscope system includes: an illumination unit; a light control direction unit specifying quantity of light output from the illumination unit; a storage unit storing voltage-related information in which a direction value specified by the light control direction unit and a voltage value to be applied to the illumination unit are associated with each other and are set, the direction value being in an entire range that can be specified by the light control direction unit under each observation condition, the voltage value corresponding to the direction value; a light quantity control unit controlling the quantity of the emitted light; and a control unit acquiring the voltage value corresponding to the specified direction value from the voltage-related information corresponding to the observation condition, and allowing the light quantity control unit to control the quantity of light based on the acquired voltage value.Type: GrantFiled: June 23, 2010Date of Patent: May 28, 2013Assignee: Olympus CorporationInventors: Yosuke Tamura, Hideaki Endo
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Patent number: 8437091Abstract: A wide viewing angle optical lens assembly comprises, in order from an object side to an image side, a first lens element with negative refractive power having a convex object-side surface and a concave image-side surface, a second lens element with positive refractive power having a convex object-side surface, a third lens element with positive refractive power having a convex image-side surface. By adjusting the relationship among the above-mentioned lens elements, the wide viewing angle optical lens assembly can effectively reduce its size, obtain greater angle of view as well as superior imaging quality.Type: GrantFiled: June 7, 2011Date of Patent: May 7, 2013Assignee: Largan Precision Co., Ltd.Inventors: Chih-Wen Hsu, Ming-Ta Chou, Tsung-Han Tsai
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Patent number: 8379337Abstract: A lens drive device may include a front side spring member which is connected between a movable body having a lens and a support body. The front side spring member includes a support body side connecting part, a movable body side connecting part and a arm part connected between the support body side connecting part and the movable body side connecting part. The support body includes a yoke having a yoke front plate part and the yoke front plate part is formed with a yoke opening part which is overlapped with at least a part of the front side spring member. Damper material having viscoelasticity is provided, for example, on a portion extending over the movable body side connecting part and the arm part and overlapped with the yoke opening part in the lens optical axis direction. Therefore, the damper material can be applied to the front side spring member through the yoke opening part in the final stage of assembling steps.Type: GrantFiled: January 24, 2011Date of Patent: February 19, 2013Assignee: Nidec Sankyo CorporationInventors: Tatsuki Wade, Takeshi Sue, Akihito Wada
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Patent number: 8379327Abstract: An optical system comprises, in order from the object side, an aperture stop, a first lens with positive refracting power, a second lens with negative refracting power, and a third lens, both surfaces of the third lens are an aspherical surface in which refracting power varies in accordance with distance from the optical axis in such a way that the both surfaces have a convex shape facing toward the object side in the vicinity of the optical axis and have a concave shape facing toward the object side in the vicinity of the outer circumference, and the following conditions (1) and (2) are satisfied: 2.2<d2/d3<7??(1) ?0.04<f/f3<0.04??(2) where d2 is the thickness of the first lens on the optical axis, d3 is a space distance between the first and second lenses on the optical axis, f is a focal length of the whole of the wide angle optical system, and f3 is a focal length of the third lens.Type: GrantFiled: November 2, 2009Date of Patent: February 19, 2013Assignee: Olympus CorporationInventors: Hisashi Goto, Akio Michinaka, Takahiro Amanai
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Patent number: 8335032Abstract: An interior rearview mirror reflective element includes a front substrate connected with a rear substrate via a perimeter seal, whereby, when so connected, at least a portion of a circumferential outer edge of the rear substrate is inward of a circumferential outer edge of the front substrate and no portion of the rear substrate protrudes beyond the front substrate. A first electrical connection establishes electrical connection at the front substrate and a second electrical connection may establish electrical connection at the rear substrate. An electrically conductive perimeter hiding band is disposed around a border region of the front substrate and substantially hides the seal and the electrical connections from view by a driver normally operating the vehicle and viewing the reflective element when the interior rearview mirror assembly is normally mounted in the vehicle.Type: GrantFiled: December 28, 2010Date of Patent: December 18, 2012Assignee: Donnelly CorporationInventors: Ian A. McCabe, Desaraju V. Varaprasad, Hamid Habibi, Niall R. Lynam