Communications: radio wave antennas – Antennas – With vehicle
Reexamination Certificate
2001-10-15
2003-06-03
Wong, Don (Department: 2821)
Communications: radio wave antennas
Antennas
With vehicle
C343S880000
Reexamination Certificate
active
06573871
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to transportable equipment as a network node between networks for transmitting analog, digital and/or pulse-modulated signals in communication connections between communication satellites and exchanges for extension stations and/or terminal stations with antennas, locating system, modules, walls, lifting devices, doors and/or vent openings at or in a supporting frame.
The invention furthermore relates to a method, for establishing communication connections between networks by means of an automatically and autonomously operating network node for transmitting analog, digital and/or pulse-modulated signals between a communication satellite and exchanges for extension stations and/or terminal stations with antennas, locating system, modules, walls, lifting devices, doors and/or vent openings at or in a supporting frame.
It is well known that it is possible to communicate with satellites with the help of individual satellite ground stations. Such satellite ground stations consist of individual components and can be installed, operated and maintained only by a special team. They generally consist of the permanently installed antenna and the receiving, processing and transmitting modules, which are installed in a separate building.
Because of their construction, particularly of the freestanding satellite antenna, their use is possible only in certain regions on earth, or additional equipment and instruments must be installed.
It is a particular disadvantage of this equipment that, when used in areas with a heavy snowfall, heating of the antenna is necessary, so that the satellite connection can be brought about or maintained even under these weather conditions.
Furthermore, it is known that, on every point on earth, satellite antennas have a different alignment to the usable and intended communication satellites. For most stationary facilities at transmission rates greater than 64 kbps, the satellite antennas at the present time are aligned manually. At these transmission rates, it is particularly important that the antenna for the transmission by satellite over a large distance must be aligned accurately, so that the required transmission quality is attained.
However, smaller mobile equipment is also known, which is mounted on a vehicle and the antenna of which is also aligned manually.
For example, a mobile telecommunication station is known from the WO 98/15027 for transmitting and receiving radio signals. This station consists of a metal container, in the interior of which there is a lattice mast for the antennas, as well as partitions. In the separate rooms, there are aggregates and generators for operating the mobile station. The lower platform of the metal container is fastened detachably to the body of a vehicle, retractable legs being disposed below at the platform. This arrangement of the legs is particularly disadvantageous, since these legs are not integrated in the interior of the metal container. Accordingly, transporting the container by rail, aircraft, ship or truck with loading platforms is possible only to a limited extent, since the retractable legs must be dismantled for transport.
Furthermore, it is a disadvantage that, although equipment and modules for a radio relay transmission are present in the container, the transmission links must first be brought about at great effort. The antennas must first be mounted on site at the extendable lattice mast and the alignment to the next radio station is made manually.
From the U.S. Pat. No. 4,320,607, it is known that supporting legs may be mounted for transporting heavy large parts, such as concrete panels. Especially the fact that, due to the arrangement of the supporting legs, the width of the transported material is enlarged, resulting in an even more excessive width, is a disadvantage here.
The arrangement of small satellite receiving antennas for radio and television reception on vehicles, as described in the German utility patent GM 92 06 944 U1, is also known. The receiving antenna is mounted on the roof of the vehicle and the parabolic mirror can be folded over, so that the air resistance while driving is small. The parabolic mirror is set up and aligned with a lifting and rotating unit with servomotors, which are additionally mounted on the roof and can be operated from the interior of the vehicle. The height of the vehicle is increased by the lifting and rotating unit and by the antennas. This arrangement is suitable only for small receiving antennas and not for the transmitting and receiving antennas with high transmission rates.
SUMMARY OF THE INVENTION
With this state of the art as background, it is an object of the invention to provide transportable equipment as a network node between networks and a method for producing transmissions of analog, digital and/or pulse-modulated signals in communication connections between communication satellites and exchanges for extension stations and/or terminal stations, which make possible an automatic and autonomous starting up of the systems of the telecommunication and data transmission technique as well as an independent unloading and loading of transporting means.
Pursuant to the invention, this object is accomplished by equipment and a method with the distinguishing characteristics of the main claim and their further development in the additional claims with their distinguishing characteristics.
The invention is distinguished, above all, by the fact that a network and communication infrastructure with high transmission rates of more than 64 kbps can be set up rapidly and independently of the position of the area in which it is used and requires no additional rooms to accommodate the interior units of the ground station and no specially trained personnel on site.
Because of the generating set and the air-conditioning unit, which are installed, and the developed satellite antenna, the inventive equipment with its satellite modules, telecommunication modules and data modules can be used at any place on earth, independent of natural environmental parameters, such as snowfall or high external temperatures.
In accordance with requirements, the inventive equipment is equipped with satellite, telecommunication and data modules with integration of DEC (digital European cordless) and/or GSM (global system for mobile communication) solutions. However, the integration of data solutions, video conferencing solutions and/or the transmission of medical-technical transmission solutions is also possible.
It is particularly advantageous that the inventive equipment is transportable equipment on a supporting frame as a network node between networks for transmitting analog, digital and/or pulse-modulated signals in communication connections between communication satellites and exchanges for extension stations and/or terminal stations with antennas, locating systems, modules and lifting devices.
It is a further advantage of the invention that, as network node, the equipment preferably has a size, the dimensions of which correspond to a standard 20′ container. Since no additional directly attached constructions or superstructures are present in the transporting state, it is particularly easy to transport the equipment and this can be accomplished without problems with all transporting means.
Pursuant to the invention, the equipment is a network node on or in a supporting frame, in which profiled supports are dispose by a friction-type connection. It has proven to be advantageous to disposed the profile supports close to the corners of the supporting frame and preferably parallel to the front sides. In the profile supports, lifting supports are displaceably disposed and can be extended to the outside. At the outer ends of the lifting supports, there are the lifting devices, at the lower edge of which of the lifting device rods, additional ground plates may be mounted. In the retracted state, the motor and the actual lifting rod, which are extended downward, are above the lower lifting support edge. In the retracted state, t
Dallinger Klaus
Drews Detlef
Chen Shih-Chao
Jordan and Hamburg LLP
KB Impuls Service GmbH
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