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Information system and method for providing information using a holographic element

In the following, the essential points are summarized again by means of groups of characteristics which each individually and in combination with one another characterize the invention specifically: 1. Information system for providing information in correlation with light incident on an eye, having a holographic element disposed in front of the eye, and an optical scanning device which detects light incident on the eye by way of the holographic element. 2. Information system according to Point 1, wherein the optical scanning device is at a fixed predetermined angular ratio with respect to the holographic element. 3. Information system according to Point 1 or 2, wherein the optical scanning device detects light which is refracted by the holographic element before it impinges on the eye and does not enter the eye. 4. Information system according to one of the preceding points, wherein the optical scanning device detects light which was first reflected back from the eye and was then refracted by the holographic element. 5. Information system according to one of the preceding points, wherein the holographic element refracts light originating from the field of vision of the eye only at several discrete wavelengths in the visible range before the light impinges on the eye for the detection by the optical scanning device, and refracts light reflected back from the eye only at one discrete wavelength in the infrared range for the detection by the optical scanning device. 6. Information system according to one of the preceding points, wherein the holographic element refracts light originating from the field of vision of the eye at fewer than 20, fewer than 10 or fewer than 5 discrete wavelengths in the visible range either before the light impinges on the eye or after its backscattering as a result of the eye for the detection by the optical scanning device. 7. Information system according to one of the preceding points, wherein the holographic element refracts light originating from the field of vision of the eye at a discrete wavelength in the infrared range either before the light impinges on the eye or after its backscattering as a result of the eye for the detection by the optical scanning device. 8. Information system according to one of the preceding points, wherein the holographic element refracts light reflected back by the eye only at a discrete wavelength in the infrared range for the detection by the optical scanning device. 9. Information system according to one of the preceding points, wherein the holographic element refracts light of one or several discrete wavelengths, at which the optical scanning device has a high sensitivity. 10. Information system according to one of the preceding points, wherein the holographic element refracts light a several discrete wavelengths such that the refracted light is guided to a common point, and the angle of incidence of the light on this point permits a clear optionally also wavelength-independent conclusion on the angle of incidence of the light upon the holographic element. 11. Information system according to one of the preceding points, having an optical projection device which projects light into the eye by way of the holographic element. 12. Information system according to Point 11, wherein the light detected by the optical detection device and the light projected in front of the optical projection device run in the opposite direction through a common light guiding lens system and can be focused such by the optical scanning device or projection device that their respective beams describe the same path from or into the eye. 13. Information system for providing information in correlation with information obtained from an eye, having a holographic element disposed in front of the eye, and an optical projection device which projects light into the eye by way of the holographic element. 14. Information system according to one of Points 11 to 13, wherein the optical projection device projects light only at one or several discrete wavelengths in the visible range and/or at a wavelength in the infrared range. 15. Information system according to one of Points 11 to 14, wherein the holographic element refracts the wavelengths of the projected light. 16. Information system according to one of Points 11-15, wherein the optical projection device is in a fixed predetermined angular ratio with respect to the holographic element. 17. Information system according to Point 16, wherein the holographic element comprises one or more optical flags, whose light reflection characteristics can be used by the information system by means of a photodetector for calibrating a projection angle of the optical projection device and/or a light guiding device. 18. Information system according to Point 17, including Point 12, wherein the information system uses the light reflection characteristics of the optical flags for calibrating a scanning angle of the optical scanning device and/or a light guiding device. 19. Information system according to Point 17, wherein the optical flags are generated in that reflecting elements are imaged during the creating of the holographic element such in the holographic element that they (something is missing) reflect light of one or several wavelengths which, corresponding to the predetermined angular ratio with respect to the optical projection device is incident on the holographic element, back along the path of incidence. 20. Information system according to Point 19, wherein the photodetector device has a splitter mirror which is arranged such in the light beam of the optical projection device that it guides a portion of the light, which impinges on the splitter mirror against the projection direction, in the direction of a photodetector which detects in at least two areas situated concentrically around one another. 21. Information system according to one of the preceding points, wherein the holographic element has light-refracting characteristics at one or several discrete wavelengths, which correspond to a reflection on the concave side of an area constructed according to the curvature of a rotationally symmetrical ellipsoid. 22. Information system according to one of the preceding points, wherein the holographic element has light refracting characteristics at one or several discrete wavelengths, which correspond to a refraction on the concave side of an area constructed according to the curvature of a rotationally symmetrical ellipsoid, which refraction corresponds to a reflection on a respective conical surface which is rotationally symmetrical about the axis of rotation of the ellipsoid and is perpendicular with respect to the ellipsoid at the site of the refraction. 23. Method of providing information in correlation with light incident on an eye, whereby a holographic element is disposed in front of the eye, and an optical scanning device detects the light incident on the eye by means of the holographic element. 24. Method according to Point 23, whereby the optical scanning device is at a fixed predetermined angular ratio with respect to the holographic element. 25. Method according to Point 23 or 24, whereby the optical scanning device detects light which is refracted by the holographic element before impinging on the eye and does not enter the eye. 26. Method according to one of Points 23 to 25, whereby the optical scanning device detects light which was first reflected back from the eye and was then refracted by the holographic element. 27. Method according to one of Points 23 to 26, whereby the holographic element refracts light originating from the field of vision of the eye only at several discrete wavelengths in the visible range before its impinging on the eye for the detection by the optical scanning device and refracts light reflected back from the eye only at a discrete wavelength in the infrared range for the detection by the optical scanning device. 28. Method according to one of Points 23 to 27, whereby the holographic element refracts light originating from the field of vision of the eye at fewer than 20, fewer than 10 or fewer than 5 discrete wavelengths in the visible range either before its impinging on the eye or after its backscattering as a result of the eye for the detection by the optical scanning device. 29. Method according to one of Points 23 to 28, whereby the holographic element refracts light originating from the visual field of the eye at a discrete wavelength in the infrared range either before its impinging on the eye or after its backscattering as a result of the eye for the detection by the optical scanning device. 30. Method according to one of Points 23 to 29, whereby the holographic element refracts light reflected back from the eye only at a discrete wavelength in the infrared range for the detection by the optical scanning device. 31. Method according to one of Points 23 to 30, whereby the holographic element refracts light of one or several discrete wavelengths, at which the optical scanning device has a high sensitivity. 32. Method according to one of Points 23 to 31, whereby the holographic element refracts light at several discrete wavelengths such that the refracted light is guided to a common point, an the angle of incidence of the light onto this point allows a clear, optionally also wavelength-independent conclusion on the angle of incidence of the light upon the holographic element. 33. Method according to one of Points 23 to 32, whereby an optical projection device projects light by way of the holographic element into the eye. 34. Method according to Point 33, whereby the light detected by the optical scanning device and the light projected in front of the optical projection device run in the opposite direction through a common light guiding lens system and can be focused such by the optical scanning device or projection device that their respective beams describe the same path from or into the eye. 35. Method of providing information in correlation with information obtained from an eye, whereby a holographic element is disposed in front of the eye, and an optical projection device projects light by way of the holographic element into the eye. 36. Method according to points 33 to 35, whereby the optical projection device projects light only at one or several discrete wavelengths in the visible range and/or at a wavelength in the infrared range. 37. Method according to one of Points 33 to 36, whereby the holographic element refracts the wavelengths of the projected light. 38. Method according to one of Points 33 to 37, whereby the optical projection device is in a fixed predetermined angular ratio with respect to the holographic element. 39. Method according to Point 38, whereby the holographic element is equipped with one or more optical flags, whose light reflection characteristics can be used by means of a photodetector device for calibrating a projection angle of the optical projection device and/or a light guiding device. 40. Method according to Point 39, including Point 34, whereby the light reflection characteristics of the optical flags are used for calibrating a scanning angle of the optical scanning device and/or a light guiding device. 41. Method according to Point 39, whereby the optical flags are generated in that reflecting elements are imaged during the creating of the holographic element such in the holographic element that they beam light of one or more wavelengths which, corresponding to the predetermined angular ratio with respect to the optical projection device is incident on the holographic element, back along the incidence path. 42. Method according to Point 41, whereby the photodetector device is equipped with a photodetector detecting in at least two areas situated concentrically around one another, and a splitter mirror which is arranged such in the light beam of the optical projection device that it directs a portion of the light impinging on the splitter mirror against the projecting direction, in the direction of the photodetector. 43. Method according to one of Points 23 to 42, whereby the holographic element has light-refracting characteristics at one or several discrete wavelengths which correspond to a reflection on the concave side of an area constructed according to a curvature of a rotationally symmetrical ellipsoid. 44. Method according to one of Points 23 to 43, whereby the holographic element has light-refracting characteristics at one or several discrete wavelengths, which correspond to a refraction on the concave side of an area constructed according to a curvature of a rotationally symmetrical ellipsoid, which refraction corresponds to a reflection on a respective conical surface rotationally symmetrical about the axis of rotation of the ellipsoid, which conical surface is perpendicular with respect to the ellipsoid at the site of the refraction. While the preceding description with respect to the title is limited to embodiments falling under the initially mentioned generic terms “scanning information system” and “projecting information system”, each individual discussed characteristic of their disclosure can also be used in an embodiment of the systems, devices and methods initially identified by reference to their full content. The applications by the same applicant and/or the same inventors mentioned in the present application should be considered to be a correlated invention complex.
Owner:APPLE INC

Methods and systems for providing quality of service in packet-based core transport networks

Methods and systems for providing necessary and sufficient quality-of-service (QoS), in a packet-based core transport network that utilizes dynamic setting of bandwidth management pipes or thresholds to obviate link congestion are disclosed. Congestion avoidance is a necessary and sufficient requirement in order to guarantee Quality of Service (QoS) in packet-based core networks.A typical network is composed of a plurality of backbone links connecting edge nodes where backhaul links are aggregated. The backhaul links connect the backbone links to the remote sites serving the subscribers. In order to enforce bandwidth management policies, Access Controllers, which perform traffic shaping, are situated on each remote site.In the event of a violation of certain link threshold settings, dynamic adjustment of the bandwidth management policies on affected Access Controllers is enforced. Various algorithms in determining the correlation between the link nearing congestion and the source or destination of traffic streams are also discussed. This invention implements a feedback control loop wherein probes at various points in the network checks for congestion states to guide bandwidth management threshold decisions in order to maintain the condition of non-congestion throughout the network. Capacity planning and congestion avoidance mechanisms work hand-in-hand to fulfill Service Level Agreements (SLA).
Owner:LATITUDE BROADBAND

Method and apparatus for playing video poker with a redraw function

InactiveUS20060046816A1Increase their winningHigh volatilityBoard gamesCard gamesMonetary AmountIntermediate outcome
According to some embodiments of a video poker game of the present invention, a gaming device and/or controller may be configured to (i) output a pay table, (ii) deal an intermediate outcome, (iii) receive a request from a player to retain/discard a number of identified cards of the intermediate outcome, (iv) replace the discarded cards to create a primary game outcome, (v) determine a payout amount associated with the primary game outcome based on the pay table, (vi) determine one or more strategy options based on the primary game outcome to determine a secondary game outcome (e.g., holding selected cards from any in the final poker hand) (vii) determine a payout amount associated with one or more secondary game outcomes, (viii) receive a player selection to receive a strategy option, (ix) deal cards to a selected strategy, (x) determine whether or not the player achieves a winning secondary game outcome, and if so, (xi) output the payout amount associated with the winning secondary game outcome. Thus, in some embodiments, a video poker game of the present invention may allow a player to retain one or more cards of a primary video poker game, select a strategy based on the primary game outcome, and receive a payout if the player achieves a winning game outcome in the secondary game.
Owner:IGT

Adaptive topology discovery in communication networks

A topology discovery process is used to discover all of the links in an ad hoc network and thereby ascertain the topology of the entire network. One of the nodes of the network, referred to as the coordinator, receives the topology information which can then be used to, for example, distribute a routing table to each other node of the network. The process has a Diffusion phase in which a k-resilient mesh, k>1, is created by propagating a topology request message through the network. Through this process, the nodes obtain information from which they are able to discern their local neighbor information. In a subsequent, Gathering phase, the local neighbor information is reported upstream from a node to its parents in the mesh and thence to the parents' parents and so forth back to the coordinator. The robustness of the Diffusion phase is enhanced by allowing a node to have more than one parent as well as by a number of techniques, including use of a so-called diffusion acknowledgement message. The robustness of the Gathering phase is enhanced by a number of techniques including the use of timeouts that ensure that a node will report its neighbor information upstream even if it never receives neighbor information from one or more downstream neighbors and the use of a panic mode that enhances the probability that a node will get its neighbor information, and its descendents' neighbor information, reported upstream even if that node has lost connectivity with all of its parents.
Owner:AMERICAN TELEPHONE & TELEGRAPH CO

Methods And Systems For Providing Quality Of Service In Packet-Based Core Transport Networks

Methods and systems for providing necessary and sufficient quality-of-service (QoS), in a packet-based core transport network that utilizes dynamic setting of bandwidth management pipes or thresholds to obviate link congestion are disclosed. Congestion avoidance is a necessary and sufficient requirement in order to guarantee Quality of Service (QoS) in packet-based core networks.
A typical network is composed of a plurality of backbone links connecting edge nodes where backhaul links are aggregated. The backhaul links connect the backbone links to the remote sites serving the subscribers. In order to enforce bandwidth management policies, Access Controllers, which perform traffic shaping, are situated on each remote site.
In the event of a violation of certain link threshold settings, dynamic adjustment of the bandwidth management policies on affected Access Controllers is enforced. Various algorithms in determining the correlation between the link nearing congestion and the source or destination of traffic streams are also discussed. This invention implements a feedback control loop wherein probes at various points in the network checks for congestion states to guide bandwidth management threshold decisions in order to maintain the condition of non-congestion throughout the network. Capacity planning and congestion avoidance mechanisms work hand-in-hand to fulfill Service Level Agreements (SLA).
Owner:LATITUDE BROADBAND

Device and method for determining a reproduction position

A device for determining a reproduction position of a source of sound for audio-visual reproduction of a film scene from a plurality of individual pictures with regard to a reproduction surface having a predetermined width and a projection source having a projection reference point comprises means for providing a recording position of the source of sound, a camera position during recording, and an aperture angle of the camera during recording. In addition, provision is made of means for transforming the recording position of the source of sound to a camera coordinate system, the origin of which is defined, in relation to a camera aperture, to obtain a recording position of the source of sound in the camera coordinate system. Means for calculating the reproduction position of the source of sound in relation to the projection reference point determines whether the aperture angle of the camera equals a predetermined aperture angle, and whether or not a source of sound is located within the visual range of the camera. If the current aperture angle of the camera differs from the predetermined standard aperture angle, the reproduction position of the source of sound is spaced toward a viewer, or away from the viewer, by a distance which depends on the ratio of the standard aperture angle to the current aperture angle. Hereby, automatable sound-source positioning is achieved so as to provide not only a visually realistic, but also an acoustically realistic situation in a reproduction room using wave-field synthesis methods.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG EV
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