Welk
Andrea Welk, Munchen DE
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20140049747 | PRESCRIPTION-DEPENDENT AND INDIVIDUALIZATION-DEPENDENT MODIFICATION OF THE TEMPORAL PERIPHERAL NOMINAL ASTIGMATISM AND ADAPTION OF THE OBJECT DISTANCE FUNCTION TO CHANGED OBJECT DISTANCES FOR NEAR AND/OR FAR VISION - Method for optimization of a progressive spectacle lens, which method comprises: defining a starting nominal astigmatism distribution for the spectacle lens; determining a transformed nominal astigmatism distribution and optimizing the spectacle lens on the basis of the transformed nominal astigmatism distribution, wherein the determination of a transformed nominal astigmatism distribution comprises multiplication of the maximum temporal nominal astigmatism of the starting nominal astigmatism distribution by a factor k as a result of which a modified maximum temporal astigmatism is obtained, wherein k is a function of a prescription value, and/or at least of one parameter of the spectacle lens or of the arrangement thereof in front of the eyes, and transformation of the starting nominal astigmatism distribution on the basis of the modified maximum temporal astigmatism. Method for optimization of a progressive spectacle lens, which method comprises: defining a starting object distance function; determining object distance data, wherein these comprise an object distance at a predetermined point on the main line of sight; modifying the starting object distance function in accordance with the object distance data; optimizing the spectacle lens, wherein the transformed object distance function is taken into account, wherein the modification of the starting object distance function comprises superposition with a correction function, which has a variable parameter that is determined, in accordance with the object distance data, in such a way that the value of the modified starting object distance function at the predetermined point is equal to the reciprocal value of the determined nominal object distance for this point, wherein the object distance function is defined as the reciprocal object distance along the main line of sight. | 02-20-2014 |
Andrea Welk, Muenchen DE
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20080231800 | Glasses Lens Comprising a Carrying Edge - A spectacle lens with an object-sided front face and an eye-sided rear face, wherein at last the rear face comprises a viewing region that contributes to the optical effect of the spectacle lens and a carrier rim region that at least partially surrounds the viewing region and that does not significantly contribute to the optical effect of the spectacle lens. The rear face of the spectacle lens in the carrier rim zone is constructed substantially from a cosmetic viewpoint without consideration of the optical image-forming properties. A method for producing this spectacle lens is also provided. | 09-25-2008 |
20090103046 | Method and Device for Manufacturing a Spectacle Lens; System and Computer Program Product for Manufacturing a Spectacle Lens - The invention relates to a method comprising the following steps:—a bridge width (b), a glass length (I), and a frame glass angle (f | 04-23-2009 |
20100296055 | METHOD FOR DETERMINING FAR AND NEAR REFERENCE POINTS - The invention relates to a method for specifying or determining the spatial position of a distance reference point and/or a near reference point of a progressive spectacle lens for correcting defective vision of a spectacle wearer. Said method consists of the following steps: individual data of the spectacle wearer is obtained; the individual vertical and/or the horizontal position of the distance reference point and/or the near reference point is determined or calculated in accordance with the determined individual data of the spectacle wearer. | 11-25-2010 |
20110299032 | OPTIMIZATION AND PRODUCTION OF AN EYEGLASS LENS FOR CORRECTING AN ASTIGMATIC REFRACTION - A method and system for producing a first spectacle lens for a specific situation of wear for correcting at least a first astigmatic refraction of a first eye of a wearer, which has a first cylinder reference axis | 12-08-2011 |
20120008090 | CONTROLLING DESIGNS USING A POLYGONAL DESIGN - A method and device for calculating design parameters of a design of a progressive spectacle lens on the basis of a predetermined design polygon. The design parameters are calculated by specifying a point within the design polygon, in which the specified point defines the progressive spectacle lens design, and then determining a value of each design parameter at the specified point by an interpolation of at least part of the predetermined values at the corner points and, optionally, of at least part of the predetermined values of the design parameter at the at least one additional point. | 01-12-2012 |
20120016645 | AUTOMATIC MODIFICATION OF A PROGRESSIVE LENS DESIGN - A method and apparatus for creating a progressive spectacle lens design by transforming a starting design. The starting design is defined to include specifications for the course of a principal line and specification of at least one base target isoastigmatism line with a constant base target astigmatism, in which the base target isoastigmatism line passes through a first predetermined control point {right arrow over (r)} | 01-19-2012 |
20140333897 | UNIVERSAL OBJECTIVE REFRACTION - The determination of objective refraction data for an eye of a spectacle wearer, wherein based on measured data for the eye of the spectacle wearer, which determine at least one first set of Zernike coefficients of a wave front aberration for a long accommodation and a second set of Zernike coefficients of a wave front aberration for a short accommodation of the eye, objective refraction data for sphere (Sph | 11-13-2014 |
20140340637 | BRIGHTNESS-DEPENDENT ADJUSTMENT OF A SPECTACLE LENS - Adjustment of an eyeglass lens or a pair of eyeglasses by means of an individual brightness-dependent centering of an eyeglass lens. In particular, a method for adjusting an individual eyeglass lens for at least one eye of an eyeglass wearer. The method includes defining an individual usage situation which includes at least one target brightness value for the light to be captured by the at least one eye; determining a position of the pupil in at least one direction of view of the at least one eye which occurs or is expected at the at least one target brightness value; determining a reference point of the eyeglass lens, in which the eyeglass lens effects a required correction of individual refraction data for the at least one direction of view; on the basis of the determined individual value of the pupil position, providing and arranging the eyeglass lens in such a manner that the at least one reference point of the eyeglass lens is arranged in front of the at least one eye of the eyeglass wearer. | 11-20-2014 |
20150116657 | PRESCRIPTION-DEPENDENT AND INDIVIDUALIZATION-DEPENDENT MODIFICATION OF THE TEMPORAL PERIPHERAL NOMINAL ASTIGMATISM AND ADAPTATION OF THE OBJECT DISTANCE FUNCTION TO CHANGED OBJECT DISTANCES FOR NEAR AND FAR VISION - Method for optimization of a progressive spectacle lens, which method comprises: defining a starting nominal astigmatism distribution for the spectacle lens; determining a transformed nominal astigmatism distribution and optimizing the spectacle lens on the basis of the transformed nominal astigmatism distribution, wherein the determination of a transformed nominal astigmatism distribution comprises multiplication of the maximum temporal nominal astigmatism of the starting nominal astigmatism distribution by a factor k as a result of which a modified maximum temporal astigmatism is obtained, wherein k is a function of a prescription value, and/or at least of one parameter of the spectacle lens or of the arrangement thereof in front of the eyes, and transformation of the starting nominal astigmatism distribution on the basis of the modified maximum temporal astigmatism. Method for optimization of a progressive spectacle lens, which method comprises: defining a starting object distance function; determining object distance data, wherein these comprise an object distance at a predetermined point on the main line of sight; modifying the starting object distance function in accordance with the object distance data; optimizing the spectacle lens, wherein the transformed object distance function is taken into account, wherein the modification of the starting object distance function comprises superposition with a correction function, which has a variable parameter that is determined, in accordance with the object distance data, in such a way that the value of the modified starting object distance function at the predetermined point is equal to the reciprocal value of the determined nominal object distance for this point, wherein the object distance function is defined as the reciprocal object distance along the main line of sight. | 04-30-2015 |
Andrea Welk, Munich DE
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20130027657 | METHOD FOR CALCULATING A SPECTACLE LENS USING VIEWING ANGLE-DEPENDENT PRESCRIPTION DATA - Optimizing a spectacle lens by: | 01-31-2013 |
20130265540 | METHOD FOR CALCULATING A SPECTACLE LENS WITH IMPROVED NEAR ZONE - Optimization and production of a spectacle lens for a specific wearing situation for correcting at least one astigmatic refraction of an eye of a spectacles wearer, which in a reference viewing direction of the eye has a cylinder reference value and a cylinder reference axis, comprising: specifying an object distance for at least one evaluation point of the spectacle lens; determining a transformed astigmatic refraction for the at least one evaluation point of the spectacle lens from the cylinder reference value and the cylinder reference axis depending on the specified object distance; and optimizing the spectacle lens such that for the at least one evaluation point a correction of the transformed astigmatic refraction by the spectacle lens in the specific wearing situation is taken into consideration, wherein determining the transformed astigmatic refraction comprises determining a transformed cylinder value and/or a transformed cylinder axis depending on the specified object distance. | 10-10-2013 |
Craig Welk, Tracy, CA US
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20110054586 | APPARATUS AND METHOD OF PLACEMENT OF A GRAFT OR GRAFT SYSTEM - Some embodiments relate to endoluminal prostheses having a first stent portion and a second stent portion, a main graft body comprising first, second, and third portions, the second portion having a cross-sectional size that is significantly larger than a cross-sectional size of the first or third portions, and also significantly larger than a cross-sectional size of the target vessel. In some embodiments, the first portion of the main graft body can be attached to the first stent portion and the third portion of the main graft body can be attached to the second stent portion. The prostheses can be configured such that the second portion of the main graft body is not directly attached to the first stent portion, the second stent portion, or any other internal support structure. In some embodiments, one or more openings can be formed in the second portion of the main graft body. | 03-03-2011 |
20110054587 | APPARATUS AND METHOD OF PLACEMENT OF A GRAFT OR GRAFT SYSTEM - Some embodiments of the present disclosure are directed to a method of deploying a graft in a patient's blood vessel having at least a first and a second branch blood vessel, comprising advancing a delivery catheter into a blood vessel, the delivery catheter supporting a fenestrated prosthesis therein, wherein the prosthesis comprises a main graft body, exposing at least one branch sheath, the branch sheath being positioned within the delivery catheter so as to project from a main lumen of the prosthesis through a first opening formed through a wall of the prosthesis, and advancing an angiographic catheter into the branch sheath and cannulating a first target branch vessel before expanding the main graft body of the prosthesis. | 03-03-2011 |
20110054594 | FENESTRATED PROSTHESIS - Some embodiments of the present disclosure are directed to endoluminal prostheses having one or more reinforced fenestrations therein. The one or more reinforced fenestrations can have improved sealing capabilities with respect to branch grafts deployed within the fenestrations, improved tear resistance and expandability, and improved pull-out resistance for branch grafts. In some embodiments, the endoluminal prosthesis can have a main graft body defining a flow lumen therethrough, a first opening passing through a wall of the main graft body, and a first support member supported by the main graft body and overlapping an edge of the first opening, the first support member being configured to at least increase the tear resistance of the main graft body adjacent to the first opening. The support member can be stitched or otherwise attached to the main graft adjacent to the fenestration. | 03-03-2011 |
20140236282 | APPARATUS AND METHODS FOR DEPLOYMENT OF LINKED PROSTHETIC SEGMENTS - A luminal prosthesis comprises a plurality of radially expandable prosthetic stent segments arranged axially. Two or more of the prosthetic stent segments are separable upon expansion from the remaining prosthetic stent segments and a coupling structure connects at least some of the adjacent prosthetic stent segments to each other. The coupling structure permits a first group of the adjacent prosthetic stent segments to separate from a second group of the prosthetic stent segments upon differential radial expansion of the first group relative to the second group and the coupling structure maintains or forms an attachment between the adjacent prosthetic stent segments in the first group which have been expanded together. A delivery system and methods for deploying the multiple coupled prosthetic stent segments are also disclosed. | 08-21-2014 |
20150173923 | FENESTRATED PROSTHESIS - Some embodiments of the present disclosure are directed to endoluminal prostheses having one or more reinforced fenestrations therein. The one or more reinforced fenestrations can have improved sealing capabilities with respect to branch grafts deployed within the fenestrations, improved tear resistance and expandability, and improved pull-out resistance for branch grafts. In some embodiments, the endoluminal prosthesis can have a main graft body defining a flow lumen therethrough, a first opening passing through a wall of the main graft body, and a first support member supported by the main graft body and overlapping an edge of the first opening, the first support member being configured to at least increase the tear resistance of the main graft body adjacent to the first opening. The support member can be stitched or otherwise attached to the main graft adjacent to the fenestration. | 06-25-2015 |
Craig Welk, Laguna Niguel, CA US
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20120109279 | APPARATUS AND METHOD OF PLACEMENT OF A GRAFT OR GRAFT SYSTEM - A fenestrated graft deployment system, with a delivery catheter having a catheter body, An endoluminal prosthesis having a main graft body, the main graft body having a lumen therethrough and a first opening laterally through a wall of the main graft body. A first guidewire prepositioned within the delivery catheter extending through at least a portion of the catheter body into a main lumen of the endoluminal prosthesis and through the first opening in the wall of the prosthesis when the delivery catheter is in a predeployed configuration. A first fenestration alignment device is configured to extend through at least a portion of the delivery catheter and is configured to be axially moveable relative to the first guidewire. The first fenestration alignment device has an end portion having an outside perimeter configured such that when an end portion of the fenestration alignment device moves toward the first opening of said main graft body the outside perimeter of the first opening is smaller than the outside perimeter of the first fenestration alignment device and prevents it from passing through the first opening and causes the main graft body adjacent to the first opening to move with the end of the first fenestration alignment device to act as alignment tool to allow an operator to align the first opening in the side of the endoluminal prosthesis with an ostium of a target branch vessel into which said first opening is to extend and act as a guide and seal for a subsequently delivered branch graft endoluminal prosthesis. | 05-03-2012 |
Douglas L. Welk, Rossville, IN US
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20090059823 | System and method of edge caching when communicating data - A communication system and method for communicating data is provided. The communication system includes at least one base station that transmits common data within a range of the at least one base station and a plurality of nodes. The plurality of nodes include at least a first node in communication with at least one of the at least one base station and at least a portion of other nodes of the plurality of nodes. At least one of the plurality of nodes are mobile, and the plurality of nodes at least one of advertise the common data available for transmission while within a predetermined area and receive the common data from one of a current node of a plurality of nodes that has current common data and the at least one base station. | 03-05-2009 |
20110158178 | SYSTEM AND METHOD OF EDGE CACHING WHEN CUMMUNICATING DATA - A communication system for distributing data over an area. The system includes a base station configured to transmit common data over a range that is within the area. The system also includes a plurality of nodes, wherein each node is configured to receive the common data from the base station when within the range, receive the common data from another node when within the area, store and transport the common data, transmit the common data to another node within the area, and display the common data. Neither the base station nor nodes individually are capable of transmitting data over the entire area, but the features of the nodes provide for propagating the data by passing the data from node to node when two nodes are within relatively close proximity to each other. | 06-30-2011 |
Joseph F. Welk, Mt. Prospect, IL US
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20090273121 | CLOSURE FOR CONTAINER FOR HOLDING BIOLOGICAL SAMPLES - A closure for a container, e.g., a tube, for a sample, e.g., a biological sample. The closure comprises a cap having a first opening and a second opening, the first opening capable of communicating with the mouth of a container, the second opening sealed by an exterior seal, and intermediate the first opening and the exterior seal, an interior seal. The invention also provides an assembly comprising the closure of this invention and a container. The invention also provides a method for preparing the closure. | 11-05-2009 |
Matthias Welk, Berlin DE
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20080252637 | VIRTUAL REALITY-BASED TELECONFERENCING - A virtual reality environment is applied to teleconferencing such that the environment is used to enter into a teleconference. | 10-16-2008 |
20080294721 | ARCHITECTURE FOR TELECONFERENCING WITH VIRTUAL REPRESENTATION - A communications system includes a teleconferencing system for hosting teleconferences, and a server system for providing a virtual representation for the teleconferencing system. The virtual representation includes objects whose states can be commanded to transition gradually. The server system provides clients to client devices, and each client causes its client device to display the virtual representation. Each client device is capable of generating a command for gradually transitioning an object to a new state in the virtual representation and sending the command to the server system. The server system commands the clients to transition an object to its new state by a specified time. | 11-27-2008 |
20090106670 | SYSTEMS AND METHODS FOR PROVIDING SERVICES IN A VIRTUAL ENVIRONMENT - A network-accessible virtual environment includes objects that represent users of a service. The users are allowed to control their representative objects in the virtual environment to interact with other users represented in the virtual environment and also to become voice-enabled. Those users who are voice-enabled can speak with other voice-enabled users via phones. | 04-23-2009 |
Melvin Lee Welk, East Petersburg, PA US
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20160052680 | LID FOR TOBACCO CAN - A metal lid for a tobacco can is provided. The metal lid includes a circular lid top having a central recess and a shoulder. The shoulder extends radially outwardly from and vertically above the central recess. The side wall is unitarily formed with the shoulder, depends downwardly from the shoulder, and is disposed below the central recess of the lid top. The side wall includes a bead and a hem. The bead extends circumferentially around the side wall. The hem is formed from a distal portion of the side wall folded over onto an intermediate portion of the side wall. The hem functions as a guide, forms a safety edge, and permits the lid to be more easily grasped by a consumer. | 02-25-2016 |
Melvin Lee Welk, Petersburg, PA US
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20080202956 | Lid For Tobacco Can - A metal lid for a tobacco can is provided. The metal lid includes a circular lid top having a central recess and a shoulder. The shoulder extends radially outwardly from and vertically above the central recess. The side wall is unitarily formed with the shoulder, depends downwardly from the shoulder, and is disposed below the central recess of the lid top. The side wall includes a bead and a hem. The bead extends circumferentially around the side wall. The hem is formed from a distal portion of the side wall folded over onto an intermediate portion of the side wall. The hem functions as a guide, forms a safety edge, and permits the lid to be more easily grasped by a consumer. | 08-28-2008 |
Michael Welk, Vernon Hills, IL US
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20110095031 | Cooking Vessel Assembly and Lid for the Same - A cooking vessel assembly comprises a cooking vessel and a removable lid. The cooking vessel has a base and a continuous sidewall. The sidewall connects to the base, projecting upwardly from the base and terminates at a peripheral edge. The removable lid has a covering portion and a handle. The handle has a griping portion, a connecting section, and a supporting section. The connecting section connects the handle to the lid covering portion. The gripping section extends from the connecting section. The supporting section extends from the connecting section in a direction generally opposite of the gripping section and has a cooking vessel retaining portion. A gap is formed between the connecting section and the supporting section. The cooking vessel retaining portion receives the peripheral edge of the cooking vessel to secure the lid to the cooking vessel in an open position to allow access to the base of the cooking vessel. | 04-28-2011 |
Rudolf Welk, Illertissen DE
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20090025447 | Method and Device for the Production and/or Machining of Pieces - A device for the production and/or machining of parts, in particular for the production of stampings, by at least one die which is capable of being put under pressure and/or force, and which has at least one plate and one die element, the die element being supported in the plate against pressure elements via a resilient element. | 01-29-2009 |