摘要:
A millimetric-wave amplifier arrangement comprises a first amplifier whose output is connected to one input of the second amplifier via an adjustable attenuator. Both amplifiers are integrated on a single substrate.
摘要:
An electronic circuit which has a voltage terminal, a switch, a voltage stabilizer and a computer. In addition, an interface terminal is provided, via which the computer can exchange data via an interface. After a supply voltage is applied at the voltage terminal, the switch (11) is initially closed so that the circuit has an extremely low quiescent current. A signal at the interface terminal causes the switch to close and the voltage stabilizer and the computer are activated.
摘要:
A windscreen wiper device includes at least one wiper arm (10) that is driven by an electric motor (11), whose rotary direction is variable at least in the respective extreme position. Upon the change of rotary direction, the electrical power made available to the electric motor (11) is reduced. The rated power is not made available until either a specified time has elapsed or a specified position of the wiper arm (10) has been reached. For specifying a reduced electrical power, a reduction in the current flowing through the electric motor (11) is especially well-suited. The windscreen wiper device according to the invention makes for a slight thermal load on both the electric motor (11) and the drive stage (19).
摘要:
The invention relates to a magnetic-tape-cassette apparatus comprising a motor which drives the reel discs via a reel-drive mechanism (5) and which also drives a longitudinally movable servo rod (9) actuating a head support (26), a switching member (18) and a loading mechanism (21) comprising a lift slide (22) and, coupled thereto, a cassette holder (23), which are movable, between an eject position and an upper play position, in which upper play position the cassette holder (23) can be moved into a lower play position, a loading drive (10) being provided by means of which the loading mechanism (21) is engageable and disengageable and which can be driven by parts (6) of the reel-drive mechanism (5), in which apparatus engagement and disengagement is effected by means of a control rod (14) carried by the servo rod (9), the loading drive (10) and the parts (6) of the reel-drive mechanism (5) driving the latter being in driving engagement with the lift slide (22) at the same side of the deck plate on which the loading mechanism is arranged., and the loading drive (10) being arranged on a pivotal lever (12) which is pivotable between a driving position and a disengaged position by the control rod (14).
摘要:
A method is presented for determining at least one end position of a displacement device (14) in a motor vehicle, wherein the displacement device (14) can be driven in the direction of its end positions and, in order to determine the particular end position, the displacement device (14) is driven to this end position and, on reaching this end position, the position of the displacement device is stored as representing the end position. Storage of the position of the displacement device of the particular end position takes place when the control variable of the displacement device has reached a particular predetermined value and/or has maintained this value for a predetermined period of time. This method is utilized in an advantageous manner to determine the end positions of a power actuator of an internal combustion engine of a motor vehicle.
摘要:
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.
摘要:
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.
摘要:
A feeding structure including a carrier substrate, a top conductor plane of a cavity formed in the carrier substrate, a feedline substrate covering the top conductor plane, a signal conductor of a feedline, the signal conductor being formed in or on the feedline substrate opposite the top conductor plane, a via probe connected to the signal conductor and leading through the feedline substrate and the top conductor plane into the cavity, a ring-shaped aperture formed in the top conductor plane around the via probe, and at least one slot-shaped aperture formed in the top conductor plane starting at the ring-shaped aperture and leading away from the via probe.
摘要:
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.
摘要:
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.