Patent application number | Description | Published |
20100052816 | Signal Branch for Use in a Communication System - A signal branch for use in a communication system, in particular in a reflector antenna, for the transmission of microwave signals is provided. The signal branch includes a common signal wave guide for transmitting a transmission signal and a received signal that has one first end and one second end as well as an exterior and interior. Moreover, a plurality of transmission signal wave guides is provided for feeding the transmission signal, with the transmission signal wave guides being disposed on the exterior of the common signal wave guide in a symmetrically distributed manner and each being communicatively connected to the common signal wave guide. A plurality of receiver signal wave guides is provided for transmitting the received signal, with the receiver signal wave guides being symmetrically adjacent to the second end of the common signal wave guide and each being communicatively connected to the common signal wave guide. | 03-04-2010 |
20110254640 | Diplexer for a Reflector Antenna - A diplexer for a reflector antenna includes a common circular signal waveguide to transmit and receive signals. The signal waveguide includes first and second ends with a common port provided at the first end. A waveguide arrangement is disposed coaxially relative to the signal waveguide in the region of the second end of the signal waveguide. A cylindrical coupler section is disposed between the first and second ends of the signal waveguide, and connects the waveguide arrangement to the common signal waveguide. In order to create a first and second coaxial waveguide port, the waveguide arrangement includes a first circular waveguide, an inner conductor is disposed inside, in which a first signal can propagate when the diplexer is operating, and a second circular waveguide, surrounding the first waveguide, in which a second signal can propagate at a lower frequency than the first signal when the diplexer is operating. | 10-20-2011 |
20120001810 | METHOD AND DEVICE FOR CALIBRATING AN ARRAY ANTENNA - A method for calibrating an array antenna having a plurality of branches includes generating a test signal using a pseudo-random sequence assigned to one of the plurality of branches for each of the plurality of branches; adding the test signals to a useful signal of the antenna so as to form a summed signal emitted via the array antenna; receiving the summed signal with a receiver antenna; correlating the received summed signal with a replica of the pseudo-random sequence so as to produce a correlation result; estimating a characteristic of one of the plurality of branches by processing the correlation result; and calibrating the antenna based on the estimated characteristic. | 01-05-2012 |
20120319799 | Orthomode Coupler for an Antenna System - An orthomode coupler for an antenna system, particularly for a multi-feed antenna is provided. The orthomode coupler includes a first signal waveguide for a first RF signal that can propagate in the first signal waveguide, along a first axis, as well as a second signal waveguide for a second RF signal that can propagate in the second signal waveguide, along a second axis, where the second axis is disposed parallel to the first axis. Furthermore, the orthomode coupler includes a septum polarizer in which the first and second signal waveguide end, and a common signal waveguide having a third axis, along which a transmission and reception signal can propagate, where the third axis runs parallel to the first and the second axis, and where the common signal waveguide is coupled with the septum polarizer. The common signal waveguide includes a further polarizer. | 12-20-2012 |
Patent application number | Description | Published |
20130035195 | Planetary-Gear Automatic Transmission - A planetary-gear automatic transmission, in particular a planetary-gear automatic transmission includes at least eight forward gear positions. For shifting the individual gear positions, shifting devices formed by clutches and/or brakes are provided. For actuating the shifting devices, shift actuators are provided which generate assigned actuating forces. The planetary-gear automatic transmission is constructed such that all shift actuators can be arranged or are arranged directly on or directly in the area of the assigned shifting devices. | 02-07-2013 |
20130079193 | Hybrid Module - A hybrid module includes a housing, an input intended for rotationally coupling to an internal combustion engine, an output intended for rotationally coupling to an input of a gearbox, an electric machine arranged in the housing and having a stator and a rotor arranged within the stator radially, a separation clutch and a torsional vibration damper. The separation clutch and the torsional vibration damper are arranged within the rotor in both the radial and axial directions. | 03-28-2013 |
20130252780 | 9-Speed Planetary-Gear Automatic Transmission - A 9-speed planetary gear-automatic transmission includes precisely one gearbox input element, precisely one gearbox output element, precisely four planetary gear sets and precisely six shifting devices for selecting the individual gears of the planetary gear-automatic transmission. | 09-26-2013 |
20130291374 | Method for Mounting Drive Train Components of a Hybrid Drive - A method for mounting the drive train components of a hybrid drive including providing an automatic transmission, which comprises a transmission casing and a transmission input shaft; a hybrid head, which is premounted as a separate assembly and which has a hybrid head casing, a rotor drive element and an output element; and an electric machine, which has a stator and a rotor, wherein the hybrid head casing is connected by flanges to the transmission casing and the output element is coupled in rotation to the transmission input shaft by means of a shaft-hub connection, and wherein the electric machine is subsequently installed in the hybrid head casing, wherein the stator is connected to the hybrid head casing and the rotor is connected to the rotor drive element. | 11-07-2013 |