Patent application number | Description | Published |
20100026954 | PROGRESSIVE-ADDITION LENS, METHOD FOR PREPARING SHAPE DATA THEREOF, METHOD FOR MANUFACTURING THE LENS, AND APPARATUS AND COMPUTER PROGRAM PRODUCT FOR PREPARING SUCH SHAPE DATA - In a progressive-addition lens having a progressive surface on one side and an aspherical or atoroidal surface on the other side, the lens shape is designed so that a high degree of aberration correction can be carried out on the periphery of the lens and the distance power and addition power of the lens acting on the eye of a wearer substantially correspond to the distance power and addition power measured by a lens meter. A progressive-addition lens includes a progressive surface and an aspherically designed surface formed of an aspherical or atoroidal surface, and the reference point of the aspherically designed surface is located in the vertical direction of the lens below a prism reference point of the progressive surface and above a near design reference point. | 02-04-2010 |
20100250171 | LENS EVALUATION METHOD, LENS EVALUATION DEVICE, LENS MANUFACTURING METHOD, AND LENS CHARACTERISTIC DISPLAY METHOD - The present invention is to provide a lens evaluation method capable of easily evaluating whether there is a difference which greatly changes locally in a lens, and evaluating the degree of the difference. According to the lens evaluation method of the present invention, first, power a distribution of a plurality of measurement point in an arbitrary direction. Next, a calculation power distribution (a design power distribution) is created. Further, a difference distribution between an actually measured power distribution, which indicates an actual power distribution, and a calculation power distribution is obtained. Further, the difference distribution is differentiated to obtain a difference index, and an evaluation is performed based on the difference index to evaluate whether there is a difference which greatly changes locally in a lens, and evaluate the degree of the difference. | 09-30-2010 |
20100250173 | METHOD AND DEVICE FOR EVALUATING GRADUATED REFRACTION POWER LENS AND METHOD FOR MANUFACTURING GRADUATED REFRACTION POWER LENS - The present invention is to provide a method for easily evaluating whether or not a relative positional shift generated between both surfaces of a bi-aspherical type lens is within an allowance during the manufacturing process of the bi-aspherical type lens. According to the evaluation method of the progressive-addition lens of the present invention, first, powers of the progressive-addition lens at a plurality of are measured to obtain an actually measured power distribution. Next, a comparison power distribution created based on the actually measured power distribution and a defective power distribution prepared in advance are compared with each other to perform similarity search between the both. Thereafter, whether or not the comparison power distribution and the similar to each other is determined based on the result of the similarity search step, and if it is determined that the comparison power distribution and the defective power distribution are similar to each other, then the progressive-addition lens is evaluated as defective. | 09-30-2010 |
20110199573 | PROGRESSIVE-ADDITION LENS, METHOD FOR PREPARING SHAPE DATA THEREOF, METHOD FOR MANUFACTURING THE LENS, AND APPARATUS AND COMPUTER PROGRAM PRODUCT FOR PREPARING SUCH SHAPE DATA - In a progressive-addition lens having a progressive surface on one side and an aspherical or atoroidal surface on the other side, the lens shape is designed so that a high degree of aberration correction can be carried out on the periphery of the lens and the distance power and addition power of the lens acting on the eye of a wearer substantially correspond to the distance power and addition power measured by a lens meter. A progressive-addition lens includes a progressive surface and an aspherically designed surface formed of an aspherical or atoroidal surface, and the reference point of the aspherically designed surface is located in the vertical direction of the lens below a prism reference point of the progressive surface and above a near design reference point. | 08-18-2011 |
20120008089 | METHOD OF COMPILING SHAPE DATA OF A SPECTACLE LENS, SPECTACLE LENS SHAPE DATA COMPILING DEVICE AND SPECTACLE LENS - A spectacle lens capable of obtaining a good vision without feeling of discomfort, even being fitted into a frame having a large front angle, and a method of creating the shape data of the spectacle lens having dioptric power to be fitted into a frame having a lens front angle. The method corrects the shape data of a lens back surface so that the prismatic effect undergone via the lens of initial lens shape by a plurality of rays passing through a rotation center of the eye in a case where a lens front angle is provided is identical or close to the prismatic effect undergone via the lens of initial lens shape by the plurality of rays passing through the rotation center of the eye in a case where no lens front angle is provided. | 01-12-2012 |
20130235336 | EYEGLASS LENS AND DESIGN METHOD, MANUFACTURING METHOD AND DESIGN SYSTEM FOR EYEGLASS LENS - An eyeglass lens, comprising: a hidden mark defining a predetermined reference point; and refractive portions arranged along a meridian extending substantially in a vertical direction via the predetermined reference point, and wherein the refractive portions comprises: a first refractive portion located on a lower side of the predetermined reference point and having a first refractive power; a second refractive portion located on an upper side of the predetermined reference point and having a second refractive power smaller than the first refractive power; and an intermediate refractive portion in which refractive power continuously decreases, and an aberration distribution in the first refractive portion is substantially symmetrical in a left and right direction with respect to the meridian extending in the vertical direction, and an aberration distribution in the second refractive portion is asymmetrical in the left and right direction with respect to the meridian shifted to an ear side. | 09-12-2013 |
20140313476 | METHOD OF COMPILING SHAPE DATA OF A SPECTACLE LENS, SPECTACLE LENS SHAPE DATA COMPILING DEVICE AND SPECTACLE LENS - A spectacle lens capable of obtaining a good vision without feeling of discomfort, even being fitted into a frame having a large front angle, and a method of creating the shape data of the spectacle lens having dioptric power to be fitted into a frame having a lens front angle. The method corrects the shape data of a lens back surface so that the prismatic effect undergone via the lens of initial lens shape by a plurality of rays passing through a rotation center of the eye in a case where a lens front angle is provided is identical or close to the prismatic effect undergone via the lens of initial lens shape by the plurality of rays passing through the rotation center of the eye in a case where no lens front angle is provided. | 10-23-2014 |
20150049302 | SPECTACLE LENS, AND METHOD FOR DESIGNING SPECTACLE LENS, MANUFACTURING METHOD AND MANUFACTURING SYSTEM OF THE SPECTACLE LENS - There is provided a spectacle lens, including: specific first and second reference points, and eye point between the first and second reference points on a meridian, with each point defined on a meridian; and a power variation portion where power is continuously varied from the first reference point to the second reference point, wherein a variation rate of an addition power is substantially zero in a circle of radius 4 mm with the first reference point as a center, and/or in a circle of radius 4 mm with the eye point as a center. | 02-19-2015 |
Patent application number | Description | Published |
20090239543 | COMMUNICATION DEVICE AND COMMUNICATION METHOD - A communication apparatus according to the present invention is provided with a mobile station | 09-24-2009 |
20090303985 | COMMUNICATION CONTROL METHOD AND COMMUNICATION CONTROL APPARATUS - In a communication system which performs a communication of the user communication information between a user terminal and a user terminal, the communication system including a plurality of network domains each having different types of destination information (for example, host address) of the user communication information transmitted from the user terminal to the user terminal, a communication control method that switches a U-PLANE includes: allocating, to the communication path of the user communication information, path identification information identifying the communication path of the user communication information; notifying, to the user terminal, the path identification information; and transmitting, from the user terminal, the user communication information, by using the path identification information as the destination information. | 12-10-2009 |
20100002633 | MOBILE COMMUNICATION SYSTEM, MOBILE COMMUNICATION METHOD, ACCESS DEVICE, AND GATEWAY INFORMATION STORAGE DEVICE - A gateway information storage device ( | 01-07-2010 |
20100260143 | RADIO COMMUNICATION SYSTEM AND RADIO COMMUNICATION METHOD - A radio communication system includes an EPC | 10-14-2010 |
20110053593 | LOCATION REGISTRATION METHOD, MOBILE COMMUNICATION SYSTEM AND RADIO BASE STATION - A location registration method according to the present invention, includes: transmitting, at a mobile station (UE), a TA signal, when detecting that the mobile station (UE) has moved out of a TA list with which the mobile station (UE) is already registered by location registration processing; and transferring, from a radio base station (eNB) to an exchange (MME) identified by an exchange ID included in the TAU signal. An exchange ID assigned to a mobile station (#a) belonging to a first layer is different from an exchange ID assigned to a mobile station (#b) belonging to a second layer, even though the same exchange is identified by the exchange IDs. A TA list and a pool area set for the mobile station (#a) is different from a TA list and a pool area set for the mobile station (#b). | 03-03-2011 |
Patent application number | Description | Published |
20140111843 | LIGHT-QUANTITY CONTROL APPARATUS AND OPTICAL APPARATUS - The light-quantity control apparatus includes a base member, and a light-quantity control blade having a light-quantity control portion to control a quantity of light passing through a fixed aperture and a supported portion rotatably supported with respect to the base member. The light-quantity control portion and the supported portion of the light-quantity control blade are each rotated along a plane parallel to the aperture face, an intermediate portion thereof formed between the light-quantity control portion and the supported portion has a tilt with respect to the aperture plane toward the optical axis direction so that the light-quantity control portion is disposed distant from the supported portion in the optical axis direction. Thereby a concave space facing the fixed aperture is formed inside in the radial direction than the light-quantity control blade. | 04-24-2014 |
20140119719 | LIGHT-QUANTITY CONTROL APPARATUS AND OPTICAL APPARATUS - The light-quantity control apparatus includes a stop blade including a stop portion and a supported portion rotatably supported with respect to a base member, a shutter blade having a shutter portion and a supported portion rotatably supported with respect to the base member, and a driving member disposed between the shutter and stop blades and rotating around the light-passing aperture to rotate the stop blade. The stop and shutter blades have tilts in their supported portions toward a same one side in the optical axis direction so that the stop and shutter portions are distant from the supported portions in the optical axis direction. The driving member has a shape concave toward the one side from its outer circumferential side portion to its inner circumferential side portion. A concave space facing the light-passing aperture is formed inside than the stop and shutter blades and the driving member. | 05-01-2014 |
20150086190 | LIGHT-QUANTITY CONTROL APPARATUS AND OPTICAL APPARATUS - A light-quantity control apparatus includes a light-quantity control blade movable along a curved path preformed between a first optical member and a second optical member, and a blade driver configured to rotate the light-quantity control blade along the curved path. A light-quantity control apparatus includes a light-quantity control blade movable along a curved path preformed between a first optical member and a second optical member, and a blade driver configured to rotate the light-quantity control blade along the curved path. The blade driver includes a rotating member configured to rotate the light-quantity control blade, and a driver connected to an outer circumferential edge portion of the rotating member. | 03-26-2015 |