Abstract: The present invention provides a space saving and simply implementable planar integrated switching device comprising at least two CPW-slotline transition units each including an access for inputting and/or outputting a transmission signal, a slotline connecting said at least two CPW-slotline transition units, and a switching element arranged on said slotline between said at least two CPW-slotline transition units for switching the transmission signal over said slotline on and off under control of a switch control signal.

Abstract: The present invention relates to the field of two dimensional (2D) radiometric imaging. The present invention especially relates to a sensor unit. The sensor unit according to the present invention comprises a reflecting element mounted so as to be rotatable around an axis of rotation and a line sensor operating in the microwave, millimeter wave and/or terahertz frequency range and having its field of view directed towards the reflecting element, whereby the axis of rotation intersects with a reflection plane of the reflecting element.

Abstract: The invention relates to a DC-DC voltage converter (1), having a transformer (2) having a primary winding (2a) and a secondary winding (2b, 2c) having a centre tap, an output inductor (3), which is connected to the centre tap and to a first output connection (9a), a synchronous rectifier circuit (4) having two synchronous rectifier switches (14a, 14b), each of which is connected to the terminal taps of the secondary winding (2b, 2c), and which are designed to produce a rectified output voltage on a second output connection (9b), and a snubber circuit (5) that is switched by means of the synchronous rectifier circuit (4).

Abstract: A fan system includes: two circuit breakers, a control module for controlling two circuit breakers, two electric motors to which their operating voltage UB is supplied via the circuit breakers, and at least one temperature sensor on a board on which the circuit breakers are located. The control module evaluates a signal TNTC from the temperature sensor, and sets the pulse duty factors TV1, TV2 of pulsed control voltages at the circuit breakers, while taking into account this signal as well as a requested fan power, in such a way that no power loss PV exceeding a specified value occurs at any circuit breaker.

Abstract: In order to be able to control the creation of a user channel connection in a communication system using wireless communication between at least one mobile part and one wired part in such a way that a user channel connection is established more quickly upon a connection request indicated by the mobile part or the wired part for the purpose of transmitting user data and, at the same time, due to market requirements, no synchronization pulses are sent by the wired part in the idle state, an initiating device of the communication system (for example, for an incoming call: base station; for an outgoing call: mobile part) sends, from an asynchronous idle state, synchronization pulses (SB) to all available physical resources. Due to the plurality of the sent, available synchronization pulses (SB), rapid synchronization is ensured because the probability is sufficiently increased thereby that a pulse will fall in the search window of a receiver.

Abstract: The present invention relates to the fields of imaging systems, security screenings, contraband object detection, microwave screening, millimeter wave screening and Terahertz screening. The present invention especially relates to a camera assisted sensor imaging system and a multi aspect imaging system. The camera assisted sensor imaging system according to the present invention comprises an optical and/or infrared camera unit for generating camera image information, a processing and control unit for detecting targets based on the generated camera image information, and a sensor unit adapted to successively scan portions of a detected target and to generate a plurality of corresponding image information parts, whereby the sensor unit is operable in the microwave, millimeter wave and/or Terahertz frequency range, and the processing and control unit is further adapted to construct an image of the target based on the image information parts and based on the generated camera image information.

Abstract: Disclosed is a process for preparing an antimicrobial article, wherein a silver colloid is formed in situ as a result of the components employed. The process comprises the steps of (i) providing a liquid, which contains a soluble polar polymer in a solvent selected from certain polar organic solvents; (ii) adding a silver salt selected from alpha-functionalized silver carboxylates to said liquid; (iii) allowing the mixture to react with formation of a silver colloid; and (iv) separating the solvent from the mixture and forming of the antimicrobial article. The antimicrobial articles thus obtained may be sheets, films, fibres, coating layers, and especially membranes like a semipermeable membrane for ultrafiltration, water separation or gas separation.

Abstract: Embodiments of the invention relate to rendering components within different browser environments. A request for a portal page is received from a client system. The portal page is aggregated by a computer and a renderer is selected based on a client system browser specific environment. A browser specific markup, provided by at least one portlet, is transmitted from the renderer to the client system.

Abstract: The invention relates to an apparatus (300; 400; 500; 600) for demodulating an input signal (306; 402; 520), comprising a frequency detector (302; 403; 502.1, . . . , 502. N; 603) for tracking a frequency (f2; fd1, . . . , fdN) of the input signal (306; 402; 520), an oscillator (304; 410; 505; 605, 606) and a mixer (305; 408; 507; 608, 609), wherein the input signal (306; 402; 520) and an output signal (307; 409) of the oscillator (304; 410; 505; 605, 606) constitute the incoming signals for the mixer (305; 408; 507; 608, 609) and the output signal of the mixer (305; 408; 507; 608, 609) constitutes the demodulated input signal, wherein an arithmetic unit (303; 404; 504; 604) is arranged downstream of the frequency detector (302; 403; 502.1, . . . , 502. N; 603) and upstream of the oscillator (304; 410; 505; 605, 606), wherein the tracked frequency (f2; fd1, . . . , fdN) of the input signal (306; 402; 520) and a predefined second frequency (f1; faux1, . . .

Abstract: A task-like user interface is provided for Web-based applications. Preferred embodiments enable users to initiate multiple instances of tasks within a single Web application, where independent state information is retained for each instance. Each user-initiated task also has a prescribed life cycle with a definite start and end. Resources allocated to perform various activities can therefore be released when the activity ends. Optionally, contextual information can be passed to a task upon invocation. Support for persisting a currently-viewable work unit as a user-selectable favorite may optionally be provided.

Abstract: A receiving apparatus, a receiving method, and an imaging apparatus and method, adapted to receive high frequency image signals. The apparatus includes two or more receiver channels, each receiver channel including an antenna pattern including plural antenna elements to receive high frequency image signals, a receiving mechanism to process the high frequency image signals received by the antenna elements into baseband signals, an analog-to-digital conversion mechanism to convert the baseband signals from the receiving mechanism into digital signals, a phase shifting mechanism to phase shift the digital signals, and a combining mechanism to combine the phase shifted digital signals from the receiver channels into combined signals.

Abstract: A microwave alignment apparatus is operable to align an electromagnetic wave in the microwave range. The microwave alignment apparatus includes a focusing device operable to focus the electromagnetic wave. The microwave alignment apparatus also includes a mounting device operable to mount and/or hold the focusing device. The microwave alignment apparatus is formed as a single integral body.

Abstract: The present invention relates to a rotary joint for joining two waveguides for guiding electromagnetic waves, comprising a first portion adapted to receive a first waveguide, a second portion adapted to receive a second waveguide, and a third portion adapted for polarization rotation and arranged between the first portion and the second portion. The rotary joint is configured such that two portions selected from the group comprising the first portion, the second portion and the third portion are rotatable between at least two different angular positions around a central axis. Further, the rotary joint being configured to switch between a jointed state, in which the portions contact each other for electrical connection, and a non-jointed state. The present invention also relates to a method of operating such a rotary joint and a computer program and a computer readable non-transitory medium for implementing such a method.

Abstract: The present invention relates to a feeding structure for coupling a feedline to a cavity. To increase the coupling, which can contribute to achieving a broad bandwidth, a feeding structure is proposed comprising a carrier substrate, a top conductor plane of a cavity formed in said carrier substrate, a feedline substrate covering said top conductor plane, a signal conductor of a feedline, said signal conductor being formed in or on said feedline substrate opposite said top conductor plane, a via probe connected to said signal conductor and leading through said feedline substrate and said top conductor plane into said cavity, a ring-shaped aperture formed in said top conductor plane around said via probe, and at least one slot-shaped aperture formed in said top conductor plane starting at said ring-shaped aperture and leading away from said via probe.

Abstract: The present invention relates to a half mode substrate integrated antenna structure 1, 10, 11 for electromagnetic signals, comprising a substrate 2 with a top 2a and a bottom side 26, said substrate being essentially of a flat shape with a main plane M, a conductive layer 3a arranged on said top and a conductive layer 3b arranged on said bottom side, a series of conductive vias 4 extending between the conductive layers 3a, 3b of the top and the bottom side of the substrate so that a waveguide having a feeding end 5 and an antenna end 6 is formed, wherein said antenna end 6 is formed by end regions 7 of said conductive layers 3a, 3b and said substrate 2 so that a radiation pattern of said antenna structure 1 essentially extends in the main plane M.

Abstract: The present invention relates to a radiometer for detecting electromagnetic signals in the microwave and millimeter wave range. The radiometer comprises an antenna operable to receive the electromagnetic signals, an internal noise signal generator operable to receive a control signal and to generate and output a calibration noise signal depending on the control signal, and a coupler operable to couple the received electromagnetic signal with the calibration noise signal and to output a coupled electromagnetic signal. Furthermore, the internal noise signal generator is activated based on the control signal.

Abstract: The present invention relates to the field of integrating electronic systems that operate at mm-wave and THz frequencies. A monolithic multichip package, a carrier structure for such a package as well as manufacturing methods for manufacturing such a package and such a carrier structure are proposed to obtain a package that fully shields different functions of the mm-wave/THz system. The package is poured into place by polymerizing photo sensitive monomers. It gradually grows around and above the MMICs (Monolithically Microwave Integrated Circuit) making connection to the MMICs but recessing the high frequency areas of the chip. The proposed approach leads to functional blocks that are electromagnetically completely shielded. These units can be combined and cascaded according to system needs.

Abstract: An amplifier circuit including an amplifier to amplify a signal and to output the amplified signal in a first output, a coupling line connected to the first output line in a first connection point and having a length so that a standing electrical wave is generated in it, and a second output line coupled to the coupling line in a second connection point so that a power level of a resulting signal in the second output line is depending on the power level of the amplified signal in the first output line. The amplifier circuit a high integration of an amplifier circuit and an integrated circuit with small size.

Abstract: The present invention relates to a frequency synthesizer comprising: a reference signal source that provide a first reference signal, a frequency signal generation unit that generates a synthesized frequency output signal at a predetermined frequency, a mixing unit that mixes said synthesized frequency output signal with a frequency tuning signal and outputs a mixer signal, a frequency tuning unit that provides said frequency tuning signal, said frequency tuning unit comprising a first frequency tuning sub-unit and a second frequency tuning sub-unit which alternately provide said frequency tuning signal, wherein, while one of the first and second frequency tuning sub-units is providing the frequency tuning signal, the other of the first and second frequency tuning sub-units is preparing for providing the frequency tuning signal, and a frequency selection unit that selects a desired frequency range from said mixer signal and outputs a frequency synthesizer output signal.

Abstract: The present invention discloses a multimedia storage device comprising a cartridge and a loader. The cartridge connects to media devices of different formats, and the loader comprises a loading/ejecting device and connects to an external application device. The cartridge is loaded into and ejected out of the loader by the loading/ejecting device. When the cartridge is loaded into the loader, the external application device can play and access the files stored in media device.