Patent application number | Description | Published |
20100208341 | DEVICE FOR FADING AN IMAGE INTO THE BEAM PATH OF AN AIMING OPTICS - The invention relates to a device for fading an image into the beam path of an aiming optics, having an at least partially transparent optical support element which is arranged in the beam path of the aiming optics and has at least one diffractive optical coupling element and at least one diffractive optical decoupling element, the at least one diffractive optical coupling element leading light of the image to be faded in, which light is incident on said coupling element and is to be coupled in, through the optical support element to the at least one diffractive optical decoupling element for the purpose of superposition with the beam path. The image to be faded in is imaged into the beam path of the aiming optics by the at least one diffractive optical coupling element and the least one diffractive optical decoupling element. | 08-19-2010 |
20120001833 | DISPLAY DEVICE AND DISPLAY METHOD - A display device has a holding device wearable on a user's head and holding a multifunctional glass that comprises a first and second coupling-out section and a coupling-in section, an image generation module that generates and couples an image into the multifunctional glass through the coupling-in section to the first coupling-out section redirecting the image in the direction of the user such that the user can perceive the image in superimposition with the real environment, a control unit for the image generation module, and a detector which is connected to the control unit and which measures the intensity of ambient light coupled through the first coupling-out section to the second coupling-out section and coupled out of the multifunctional glass through the second coupling-out section. The control unit controls the brightness of the image of the image generation module, the brightness controlled according to the intensity measured by the detector. | 01-05-2012 |
20120002294 | BEAM COMBINER FOR USE IN A HEAD-MOUNTED DISPLAY DEVICE AND BEAM SPLITTER - A beam combiner for combining a first beam cluster with a second beam cluster that is not parallel to the first, to form a common beam cluster. The beam combiner includes a transparent body for the first beam cluster, which has a superimposition region that is encountered by the first beam cluster as it passes through the body. The superimposition region is split into a first section and a second section. Only the first section formed from interspaced reflective and/or refractive deflection elements causes a deflection of the second beam cluster by reflection and/or refraction, such that the first beam cluster forms the common beam cluster with the deflected second beam cluster once it has left the body. | 01-05-2012 |
20120002295 | DISPLAY DEVICE COMPRISING MULTIFUNCTION GLASS, PRODUCTION METHOD, AND OPTICAL ELEMENT HAVING A FRESNEL STRUCTURE - A display device including a holding device that can be placed on the head of a user, an image generating module fixed to the holding device and generating an image, and a multifunction glass that is fixed to the holding device and has a coupling in area and a coupling out area. The image produced is coupled into the multifunction glass via the coupling in area, guided in the multifunction glass to the coupling in area, and extracted via the coupling out area, in such a way that the user can perceive the coupled out image superimposed on the surroundings when the holding device is placed on the head of the user. The coupling in area has a Fresnel structure causing a folding of the beam path when the image is injected into the multifunction glass, said structure having an imaging property. | 01-05-2012 |
20130215516 | DISPLAY DEVICE HAVING A HOLDING DEVICE THAT CAN BE PLACED ON THE HEAD OF A USER - A display device includes a holding device that can be placed on the head of a user. An image-generating module and an imaging lens system can be secured on the holding device. The latter includes a spectacle lens with a curved front and a curved back. It projects the image generated when the holding device is placed on the head such that the user can perceive it superimposed on the surroundings. Light from the image-generating module is coupled into an optical channel in the spectacle lens. It is conducted in the optical channel to an exit section and coupled via the exit section out of the spectacle lens. The optical channel includes in the region of the front and back a Fresnel structure with a plurality of facets on which the light conducted in the optical channel is reflected, and which are aligned parallel to one another. | 08-22-2013 |
20130250429 | DISPLAY DEVICE COMPRISING MULTIFUNCTION GLASS, PRODUCTION METHOD AND OPTICAL ELEMENT HAVING A FRESNEL STRUCTURE - A display device including a holding device that can be placed on the head of a user, an image generating module fixed to the holding device and generating an image, and a multifunction glass that is fixed to the holding device and has a coupling in area and a coupling out area. The image produced is coupled into the multifunction glass via the coupling in area, guided in the multifunction glass to the coupling in area, and coupled out via the coupling out area, in such a way that the user can perceive the coupled out image superimposed on the surroundings when the holding device is placed on the head of the user. The coupling out area has a Fresnel structure which receives light from the coupling-in-area via a folded beam path and couples the image out of the multifunction optical element. The coupling out element has an imaging property. | 09-26-2013 |
20150036223 | DISPLAY DEVICE COMPRISING MULTIFUNCTION GLASS, PRODUCTION METHOD AND OPTICAL ELEMENT HAVING A FRESNEL STRUCTURE - A multifunction optical element including an image generating module that generates an image, and couples the image into a multifunction glass that has a coupling in area and a coupling out area. The image produced is coupled into the multifunction glass via the coupling in area, guided in the multifunction glass to the coupling in area, and coupled out via the coupling out area, in such a way that the user can perceive the coupled out image superimposed on the surroundings when the holding device is placed on the head of the user. The coupling out area has a Fresnel structure which receives light from the coupling-in-area via a folded beam path and couples the image out of the multifunction optical element. The coupling out element has an imaging property. | 02-05-2015 |
Patent application number | Description | Published |
20130114638 | GLASS MELTING TANK HAVING A DOGHOUSE, AND METHOD FOR HEATING THE CHARGE MATERIAL IN SUCH GLASS MELTING TANKS - A glass melting tank comprising at least one front part for introducing the charge material, and at least one charging device. To reduce atmospheric heat losses and reduce dust transport into the upper furnace of the tank, and nevertheless to intensify the heating of the charge material, the front part has a length “LV” of at least 2,250 mm in the direction of the melting tank, and a length “LG” of at least 1,200 mm is provided with an insulating roof. An end wall near the charging device, together with the roof, encloses a gas chamber open toward the melting tank. A characteristic value “K” of 3.50 tonnes (t) per hour and per square meter of surface is not exceeded. The characteristic value is calculated from P/F, where P is the throughput per hour in tonnes (t) and F is the inner surface of the front part in m. | 05-09-2013 |
20130167587 | FEEDING DEVICE FOR GLASS MELTING INSTALLATIONS - A feeding device for introducing particulate feedstock into glass melting installations, comprising pushing conveyors supplied by storage containers via guiding channels and directed onto the melt surface, and comprising a slide for advancing the feedstock on the melt surface. To largely avoid asymmetric material and temperature distribution and movements transverse to a feedstock transporting direction, and exposure of the installation mineral construction materials to changing thermal loads, a) at least three pushing conveyors are arranged alongside one another and, in the region of the guiding channels, are arranged so closely alongside one another that they can be supplied by a common distributing device, and are separated from one another in the intermediate region between two guiding channels by a dividing edge, and b) a linkage for the drive of a slide that can be introduced into the glass melt is led through the spacing between each two guiding channels. | 07-04-2013 |
Patent application number | Description | Published |
20100058807 | GLASS MELTING PLANT AND METHOD FOR OPERATING IT - A glass melting installation and a method of operation of this with a melting tank, with burners for fossil fuels and with at least one regenerator for preheating oxidation gases, whereby between the at least one regenerator and the melting tank at least two step-free port necks are provided for the alternating supply of oxidation gases and the removal of combustion gases, and whereby the port necks are provided with lateral supply openings for the supply of secondary oxidation gases. In order to achieve injection into the waste gas flow without directional influence, with a simple construction and good energy usage, the supply openings for the supply of secondary oxidation gases are perpendicular to the free cross-section of the port necks above the step-free bottom surfaces. | 03-11-2010 |
20120017643 | MELTING DEVICE FOR PRODUCING A GLASS MELT - A glass melting oven for producing a glass melt in a row arrangement, having a loading opening for raw glass materials, a melting region, a refining region, a constriction, a conditioning region and an overflow into a processing unit. To remove flaws from the melt that remain visible in the end product, a method includes the steps of a) arranging a refining bench between the melting region and the beginning of the refining region; b) arranging side burners and extraction openings for flue gases between the loading opening and the refining bench; c) delimiting the constriction at both ends by end walls that leave narrow flow cross-sections above the glass melt for flue gases; and d) cooling the glass melt inside the constriction. The glass melting oven is particularly suited for producing flat glass and panels for solar elements. The oxidants for the fuels may also be preheated. | 01-26-2012 |
20120288812 | REGENERATIVE CHAMBER FOR A GLASS MELTING FURNACE - A regenerative chamber for a glass melting furnace having a defined cross-section and wherein the regenerative chamber includes multiple slotted arches and above the same there are disposed transfer layers, and wherein a grating is installed on the transfer layers. A movable flow barrier is provided above the slotted arches that is inserted from the outside into the regenerative chamber and by means of which the cross-section of the regenerative chamber can be reduced. | 11-15-2012 |
20130091721 | DEVICE FOR DRYING AND PREHEATING PARTICULATE FEEDSTOCK - A device for drying and preheating particulate feedstock for glass melting apparatuses including a vertical shaft in which a plurality of gas guides are arranged level by level. The shaft has at least one gas channel for exhaust gases from the melting apparatus. a) feedstock guide elements are arranged one above another within the shaft with lateral spacings on all sides, with a portion of the gas guides extending through the guide elements, b) at least one of the guide elements is mounted in a transversely movable fashion with respect to the shaft independently of other guide elements, c) the guide elements are provided with converging oblique surfaces for introducing the feedstock at upper ends of the guide elements and with converging oblique surfaces for the emergence of the feedstock at lower ends of the guide elements, and d) at least one guide element is connected to a vibrating drive. | 04-18-2013 |
20130199240 | METHOD AND SYSTEM FOR DEWATERING AND PREHEATING MIXTURES FOR GLASS MELTING PLANTS - A method and a system for thermal dewatering and preheating aqueous mixtures for feeding glass melting plants when passing through a shaft-like container provided with heating elements disposed one above another in tiers. To avoid the feed material from becoming glued together or agglomerating in the preheaters while the feed material is heated by exhaust gases with separately guided exhaust gases and feed material, a) the uppermost tier heating elements are closed relative to the mixture and are kept above 100 C, b) the interface between the mixture and the atmosphere above the mixture is shaped and heated by the uppermost tier heating elements so that part of the thermal output is emitted to the atmosphere via the mixture, and c) as the mixture proceeds through the container it is heated by further heating elements to temperatures close to the glass melting plant feeding temperature. | 08-08-2013 |
20130309622 | DEVICE FOR PREHEATING CHARGING MATERIALS FOR GLASS MELTING FACILITIES - A device for preheating charging material for glass melting installations using its exhaust gases, having a vertical preheating shaft through which a heat exchanger extends conducting exhaust gases, the shaft upper end having a charging material opening, the lower end having a preheated charging material discharge device, the inlet of the heat exchanger connected to an exhaust gas supply line and the outlet connected to an exhaust gas outlet line. To recuperate a high portion of the exhaust gas heat, and to reduce environmental contamination and the suctioning of environmental air as false air, the exhaust gas supply line has an outlet line branch for drawing oft part of the hot gases and the outlet line is connected to a downwardly open sealing gas line in the region of the charging material above the heat exchanger exhaust gas passage for the hot gas emission into the charging material. | 11-21-2013 |