Patent application number | Description | Published |
20110168500 | ELEVATOR GUIDE RAIL SYSTEM - An elevator system has at least one common pair of guide rails for guide shoes of an elevator car, running along the common pair of guide rails, and for guiding elements of a counterweight, running along the same pair of guide rails. The guide shoes of the elevator car follow a straight trajectory and the guiding elements of the counterweight are deflectable by at least one deflecting element within a crossing region for the elevator car and the counterweight. | 07-14-2011 |
20110253485 | ELEVATOR CAGE BRAKE DEVICE - An elevator installation comprises an elevator cage movable along guide rails and a counterweight movable along guide rails, wherein provided for braking the elevator cage and the counterweight is at least one brake device in which at least one gearwheel is disposed in mechanically positive connection with the guide rail and the gearwheel can be braked by a brake, wherein a first gearwheel is provided, which when the brake is triggered is disposed in mechanically positive connection with the guide rail, and wherein a second gearwheel is provided, which when the brake is activated is disposed in mechanically positive connection with the guide rail. | 10-20-2011 |
20130118836 | ELEVATOR WITH SAFETY DEVICE - An elevator includes an elevator cage, a drive arrangement, a first safety controller and a second safety controller, wherein the first and the second safety controllers monitor a state of the elevator respectively by means of at least one first or second sensor and on detection of an unsafe state institute a measure in order to bring the elevator into a safe state. The first safety controller is arranged on the elevator cage and the second safety controller is arranged in the region of the drive arrangement. | 05-16-2013 |
20140008155 | ENERGY MANAGEMENT SYSTEM FOR SOLAR-POWERED ELEVATOR INSTALLATION - An energy management system for an elevator installation coupled to a source of alternative energy integrates various operational modes regarding optimization of energy usage. The energy management system selectively executes these modes depending on at least one predetermined parameter of a variety of parameters. The energy management system has a processor and a switch module coupled to the processor to receive a control signal from the processor. Upon processing of at least one of the parameters, the processor selects one of a plurality of operational modes of the elevator installation and generates the control signal as a function of the selected operational mode to cause via the switch module an energy flow from one of the inputs of the switch module to the output of the switch module. | 01-09-2014 |
Patent application number | Description | Published |
20090161763 | MOTION ESTIMATION WITH AN ADAPTIVE SEARCH RANGE - A method and apparatus for estimating motion of a pixel block in a first frame, the method including searching a first area in a second frame to identify a first matching block that corresponds to the pixel block, the first matching block including a first error value that is a minimum of at least one error criteria between the pixel block and the first matching block, calculating a first motion vector associated with the first matching block. The method further including searching a second area in the second frame to identify a second matching block that corresponds to the pixel block, the second matching block including a second error value that is a minimum of the at least one error criteria between the pixel block and the second matching block, calculating a second motion vector associated with the second matching block and selecting a final motion vector between the first and second motion vectors based on the first and second error value. | 06-25-2009 |
20110019094 | SYSTEM AND METHOD FOR RANDOM NOISE ESTIMATION IN A SEQUENCE OF IMAGES - A system and method for estimating random noise in an image frame or a sequence of image frames are presented. In some embodiments, the method includes performing Global Noise Estimation by comparing current and past filtered frames; converting global noise estimates into local noise estimates using estimated noise parameters based on current input image's local mean intensity; and providing local noise estimates to an adapted generic spatio-temporal filter. A parameter-based noise model is applied in the noise calculation. | 01-27-2011 |
20110216831 | APPARATUS AND METHOD FOR MOTION VECTOR FILTERING BASED ON LOCAL IMAGE SEGMENTATION AND LATTICE MAPS - A method and an apparatus for filtering motion vector fields provided by a motion estimator apparatus are disclosed. The method includes receiving an input image, determining a motion vector field associated with the input image, determining a local segmentation image, forming a lattice map to identify periodic structures, using the local segmentation image and the lattice map to obtain an image segment pixel count and an image/motion segment pixel count, and using the segment pixel count and the image/motion segment pixel count to provide a filtered motion vector field. Some embodiments further include a motion estimation apparatus including an image delay apparatus, a lattice detector to find lattice structures in the input and delayed images, a histogram generator and a histogram analyzer to provide a set of horizontal and vertical search masks, a motion vector estimator to provide a motion vector field, and a motion vector filter as provided herein. | 09-08-2011 |