Patent application number | Description | Published |
20090014283 | DEVICE FOR NON-CONTACT CONVEYING, HANDLING AND STORAGE OF STRUCTURAL ELEMENTS AND MATERIALS - A device for generating a floating state of an object by sound waves includes a rigid support structure having a top surface for absorbing forces generated by the gravitation or acceleration of the levitating object and perpendicularly acting on the top surface. A thin oscillatory element is arranged in parallel to the top surface. Further provided is a vibration generator for making the thin oscillatory element vibrating and levitating above the top surface so that the object is levitating above the thin oscillatory element without contacting it. | 01-15-2009 |
20110311320 | DEVICE FOR NON-CONTACT TRANSPORTING AND HOLDING OF OBJECTS OR MATERIAL - The present invention relates to a device for transporting and holding of touch-sensitive structural elements or materials, the device comprising the following features: At least an oscillatory plate-like take-up | 12-22-2011 |
20120274011 | VACUUM-GRIPPER - The present invention relates to a vacuum gripper and in particular to a vacuum gripper for gently gripping work-pieces having sensitive surfaces, such as solar cells, wafers, or panels for flat screens, and for gripping heavy glass plates or plates made of other material having a very smooth surface that are stacked on top of each other and should be removed from above, wherein the vacuum gripper has the following characteristics: a straight or curved gripper plate ( | 11-01-2012 |
20120327402 | INSPECTION DEVICE - The invention relates to a device for inspecting contact-sensitive planar materials or workpieces, e.g. wafers for the semiconductor industry, solar cells, glasses, FPD substrates, or biologically active substrates for biosensors, as well as materials having contact-sensitive curved surfaces. Said inspection device comprises a support element ( | 12-27-2012 |
20130321796 | INSPECTION DEVICE - The invention relates to a device for inspecting contact-sensitive planar materials or workpieces, e.g. wafers for the semiconductor industry, solar cells, glasses, FPD substrates, or biologically active substrates for biosensors, as well as materials having contact-sensitive curved surfaces. Said inspection device comprises a support element ( | 12-05-2013 |
20140041186 | METHOD FOR LOADING AND UNLOADING A CASSETTE - The present invention relates to a method for loading and unloading a cassette which is used, for example, in plasma coating processes, wherein the following method steps are carried out: a. providing a cassette ( | 02-13-2014 |
20150015013 | VACUUM GRIPPER - A vacuum gripper for gripping a work-piece includes a flat or curved gripper plate having at least one suction port. A work-piece suction throttling zone is formed around the suction port. The gripper plate has at least one recess provided at a side facing the work-piece and arranged beyond the work-piece suction throttling zone ( | 01-15-2015 |
Patent application number | Description | Published |
20130211564 | WATERMARK GENERATOR, WATERMARK DECODER, METHOD FOR PROVIDING A WATERMARK SIGNAL IN DEPENDENCE ON BINARY MESSAGE DATA, METHOD FOR PROVIDING BINARY MESSAGE DATA IN DEPENDENCE ON A WATERMARKED SIGNAL AND COMPUTER PROGRAM USING A TWO-DIMENSIONAL BIT SPREADING - A watermark generator for providing a watermark signal in dependence on binary message data includes an information processor configured to provide, in dependence on a single message bit of the binary message data, a 2-dimensional spread information representing the message bit in the form of a set of time-frequency-domain values. The watermark generator also includes a watermark signal provider configured to provide the watermark signal on the basis of the 2-dimensional spread information. | 08-15-2013 |
20130216090 | WATERMARK GENERATOR, WATERMARK DECODER, METHOD FOR PROVIDING A WATERMARKED SIGNAL BASED ON DISCRETE VALUED DATA AND METHOD FOR PROVIDING DISCRETE VALUED DATA IN DEPENDENCE ON A WATERMARKED SIGNAL - A watermark generator for providing a watermark signal as a sequence of subsequent watermark coefficients based on a stream of subsequent stream values representing discrete valued data includes a differential encoder. The differential encoder is configured to apply a phase rotation to a current stream value of the stream values representing the discrete valued data or to a current watermark symbol, the current watermark symbol corresponding to a current stream value of the stream values representing the discrete valued data, to obtain a current watermark coefficient of the watermark signal. The differential encoder is configured to derive a phase of a previous spectral coefficient of a watermarked signal which is a combination of the host signal and the watermark signal, and to provide the watermark signal such that a phase angle of the phase rotation applied to the current stream value or the current watermark symbol is dependent on the phase of the previous spectral coefficient of the watermarked signal. | 08-22-2013 |
20130218313 | WATERMARK DECODER AND METHOD FOR PROVIDING BINARY MESSAGE DATA - A watermark decoder includes a time-frequency-domain representation provider, a memory unit, a synchronization determiner and a watermark extractor. The time-frequency-domain representation provider provides a frequency-domain representation of the watermarked signal for a plurality of time blocks. The memory unit stores the frequency-domain representation of the watermarked signal for a plurality of time blocks. Further, the synchronization determiner identifies an alignment time block based on the frequency-domain representation of the watermarked signal of a plurality of time blocks. The watermark extractor provides binary message data based on stored frequency-domain representations of the watermarked signal of time blocks temporally preceding the identified alignment time block considering a distance to the identified alignment time block. | 08-22-2013 |
20130218314 | WATERMARK SIGNAL PROVISION AND WATERMARK EMBEDDING - A watermark signal provider provides a watermark signal suitable for being hidden in an audio signal when the watermark signal is added to the audio signal, such that the watermark signal represents watermark data. The watermark signal provider includes a psychoacoustical processor for determining a masking threshold of the audio signal; and a modulator for generating the watermark signal from a superposition of sample-shaping functions spaced apart from each other at a sample time interval of a time-discrete representation of the watermark data, each sample-shaping function being amplitude-weighted with a respective sample of the time-discrete representation, multiplied by a respective amplitude weight depending on the masking threshold, the modulator being configured such that the sample time interval is shorter than a time extension of the sample-shaping functions; and the respective amplitude weight also depends on samples of the time-discrete representation neighboring the respective sample in time. | 08-22-2013 |
20130227295 | WATERMARK GENERATOR, WATERMARK DECODER, METHOD FOR PROVIDING A WATERMARK SIGNAL IN DEPENDENCE ON BINARY MESSAGE DATA, METHOD FOR PROVIDING BINARY MESSAGE DATA IN DEPENDENCE ON A WATERMARKED SIGNAL AND COMPUTER PROGRAM USING A DIFFERENTIAL ENCODING - A watermark generator for providing a watermark signal in dependence on binary message data includes an information processor configured to provide, in dependence on information units of the binary message data, a first time-frequency domain representation, values of which represent the binary message data. The watermark generator also includes a differential encoder configured to derive a second time-frequency domain representation from the first time-frequency-domain representation, such that the second time-frequency-domain representation includes a plurality of values, wherein a difference between two values of the second time-frequency-domain representation represents a corresponding value of the first time-frequency-domain representation, in order to obtain a differential encoding of the values of the first time-frequency-domain representation. The watermark generator also includes a watermark signal provider configured to provide the watermark signal on the basis of the second time-frequency-domain representation. | 08-29-2013 |
20130232340 | WATERMARK GENERATOR, WATERMARK DECODER, METHOD FOR PROVIDING A WATERMARK SIGNAL, METHOD FOR PROVIDING BINARY MESSAGE DATA IN DEPENDENCE ON A WATERMARKED SIGNAL AND A COMPUTER PROGRAM USING IMPROVED SYNCHRONIZATION CONCEPT - A watermark generator for providing a watermark signal in dependence on binary message data, the watermark generator has an information spreader configured to spread an information unit to a plurality of time-frequency-domain values, to obtain a spread information representation. The watermark generator also has a synchronization inserter configured to multiplicatively combine the spread information representation with a synchronization sequence to obtain a combined information-synchronization representation. The watermark generator also has a watermark signal provider configured to provide the watermark signal on the basis of the combined information-synchronization representation. A watermark decoder, methods and computer programs are also described. | 09-05-2013 |
20130261778 | WATERMARK SIGNAL PROVIDER AND METHOD FOR PROVIDING A WATERMARK SIGNAL - A watermark signal provider comprises a time-frequency-domain waveform provider to provide time-domain waveforms for a plurality of frequency subbands. The time-frequency-domain waveform provider is configured to map a given value of a time-frequency-domain representation onto a bit shaping function, a temporal extension of which is longer than a bit interval, such that there is a temporal overlap between bit shaped functions provided for temporally subsequent values of the time-frequency-domain representation of the same frequency subband. A time-domain waveform of a given frequency subband contains a plurality of bit shaped functions provided for temporally subsequent values of the time-frequency-domain representation. The water mark signal provider further has a time-domain waveform combiner. | 10-03-2013 |