EP1760917B1 - Procédé et dispositif pour la configuration des n utilisateurs indépendents d'une installation de réception de satellite - Google Patents

Procédé et dispositif pour la configuration des n utilisateurs indépendents d'une installation de réception de satellite Download PDF

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Publication number
EP1760917B1
EP1760917B1 EP06017516A EP06017516A EP1760917B1 EP 1760917 B1 EP1760917 B1 EP 1760917B1 EP 06017516 A EP06017516 A EP 06017516A EP 06017516 A EP06017516 A EP 06017516A EP 1760917 B1 EP1760917 B1 EP 1760917B1
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EP
European Patent Office
Prior art keywords
subscriber
satellite
matrix
converter
tkn
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EP06017516A
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German (de)
English (en)
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EP1760917A1 (fr
Inventor
Bernd Kürten
Thomas Grau
Harry Mohr
Thomas Neugebauer
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Schwaiger GmbH
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Schwaiger GmbH
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
    • H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95
    • H04H40/90—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95 specially adapted for satellite broadcast receiving
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/61—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast
    • H04H20/63—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for local area broadcast, e.g. instore broadcast to plural spots in a confined site, e.g. MATV [Master Antenna Television]

Definitions

  • the invention relates according to claims 1 or 2, a method and according to claims 7 or 8 or 9 or 10, a device for the configuration of n independent subscribers of a satellite receiving system.
  • ground stations first transmit relatively large parabolic antennas to the signals recoded in signals to the satellite (so-called uplink), the frequency range being between ten and 13 gigahertz.
  • the signals are received by the satellite in a receiving unit and forwarded to the transmitting unit (transponder uplink) of the satellite.
  • Typical television satellites e.g. Astra satellites are capable of receiving and transmitting at least 16 TV programs and the associated sound.
  • the transponders send the signals to the receiving stations on earth (so-called downlink, Ku band: 10,700 MHz to 12,750 MHz).
  • downlink Ku band: 10,700 MHz to 12,750 MHz.
  • these are large ground stations that are connected to the cable network and feed the corresponding broadcasts into this network.
  • the reception system consists essentially of a parabolic antenna ("satellite dish") and a satellite receiver (the receiver). It uses a transmitting and receiving technology based on polarized waves (wave widths only in a certain direction (vibration level) off).
  • the converter which is also referred to as LNB (Low Noise Block) or LNC (Low Noise Converter) amplifies and converts the satellite signals from the high frequency range in a lower intermediate frequency range from 950 to 2150 MHz (see FIG. 2 B ).
  • LNB Low Noise Block
  • LNC Low Noise Converter
  • the satellites emit radiation at various levels. Common here are the radiations on a horizontal and a vertical plane and the division into a lower frequency band L of 10.7 to 11.7 GHz (see FIG. 2a ) and an upper frequency band H of 11.7 to 12.75 GHz (see FIG. 2a ).
  • a special converter for the simultaneous reception of several receiving levels is necessary.
  • a switching device - a so-called “multiswitch” or “multiswitch” or a “branching device” - is provided in satellite reception systems, which serves as connection node , Each subscriber can then select by switching between one of the four reception levels mentioned above.
  • a switching matrix formed in the multi-switch connects while the respective participant according to the pending control signal with the corresponding input of the multi-switch.
  • an output port may be permanently assigned to an arbitrary input port (which receives one of four possible IF planes of an associated satellite system) in response to the associated select control signal.
  • the programming can be done by a commercially available PC or another, preferably portable, programming unit via common data buses, eg USB.
  • configuration units are set up for each output connection, which are implemented in the manner of assignment tables.
  • the allocation units provided for each individual user are provided with configuration data by means of a central data bus from a common, central storage unit.
  • the core of each switching device may be provided a so-called basic module, which is independently operable and receives all input terminals and looped through to expansion modules.
  • the respectively connectable expansion modules then allow flexible assignment of further output connections. In practical operation it becomes so allows each of the receivers connected to the output ports to be accessed in parallel concurrently and freely configured according to the respective mapping table to the input ports, or a common central configuration takes place.
  • cascadable systems are used in which several multiswitches are connected in series.
  • the multiswitch connected directly to the converter or converters will be referred to as a multiswitch head device, while the subsequent multiswitches will be referred to as multiswitch extrusions.
  • These multi-switch strand devices are now directly or indirectly connected to the multi-switch head unit by the individual outputs of the multi-switch head unit via lines, which are also referred to as strand lines, are connected to the inputs of the multi-switch strand device.
  • a multi-switch head unit or a satellite receiving system, in which the multi-switch head unit is assigned a line identification unit and the line identification unit switches identification signals to lines connected to the outputs. Characterized in that the individual lines different identification signals are switched, it can be determined at which output of the multi-switch head unit, the respective line is connected.
  • the identification signals consist of DC signals, low-frequency AC or DC voltages or low-frequency data telegrams.
  • each has Multi-switch strand device to an evaluation, wherein the evaluation is connected on the one hand to the inputs and on the other hand to the switching matrix of the multi-switch strand device.
  • the transmitter detects the identification signals of the lines connected to the inputs and determines the configuration of the connected lines due to the different identification signals.
  • the individual lines can be connected completely arbitrarily to the inputs of the multi-switch strand device.
  • the control of the switching matrix and the evaluation can be realized by a microprocessor, which assumes all evaluation and control functions.
  • each multi-switch strand device has an indicator device, wherein the indicator device is connected to the inputs of the multi-switch strand device and the indicator means detects the identification signals of the lines connected to the inputs and emits an assignment signal.
  • indicator device serves as installation aid and unlike the first embodiment, the lines can not be connected arbitrarily to the inputs of the multi-switch strand devices in this embodiment.
  • the installation aid is not integrated in the multi-switch strand device, but designed as a separate device.
  • the line indicator designed as an installation aid can have a plurality of LEDs and / or a display display, in particular an LCD display or an LED display.
  • a commercially available voltage, current or resistance measuring device can be used for a line indicator, whereby the installer must make the correct assignment of the signals indicated by the line indicator to the respective inputs of the multiswitch line devices.
  • this is from the DE 202 04 299 U1 a multi-switch or a satellite entrance system known in which the number of programs provided can be adapted to the particular wishes of the individual residents of a house.
  • an electronic circuit and an interface connected to the electronic circuit are provided in the multi-switch, wherein the multi-switch is programmable via the interface such that certain satellite intermediate frequency signals are blocked for certain participants.
  • the interface With the help of the interface, a simple adaptation to the particular circumstances is possible, so that it is easy to respond to changed wishes of the individual residents or the arrival of new residents by a corresponding reprogramming of the electronic circuit.
  • the electronic circuit can intervene in such a way on the switching matrix that a specific subscriber can not be connected to a specific input of the multiswitch and therefore also not to a specific output of a converter, so that the subscriber receives the corresponding satellite IF signal - and thus also one or more paid programs - is locked.
  • the interface is designed as an input keyboard, so that the programming can be done directly on the multi-switch. Since the multi-switch is often mounted in places where it is relatively difficult to access, thus programming would be difficult to carry out, the interface is advantageously designed as an RS 232 interface or as an infrared interface or the interface can be connected to an external modem or in the multi-switch a modem is integrated.
  • a multi-switch which is a basic unit and at least a switching matrix module.
  • the basic unit has at least one receiver output interface and several signal inputs and the switching matrix module has the plurality of intermediate frequency input interfaces and signal outputs which correspond in number to the signal inputs and can be connected to them.
  • the multiswitch has an input interface for the supply of signals that are received by means of a terrestrial antenna. This input interface is preferably attached to the base unit.
  • the switch matrix module has master output interfaces which are used to carry out the signals fed into the IF input interfaces, for example to generate a cascade of the master signals. This makes the multiswitch variable with respect to the number of satellite IF levels it can receive or expandable.
  • the connection is provided by plugging the switching matrix module on the base unit.
  • twin converter arrangements with which subscribers can independently receive programs which are broadcast via one or the other polarization in a lower or upper frequency band, have long been known.
  • a twin-converter arrangement which is designed so that it can also serve as part of a multifeed arrangement for receiving programs broadcast via a further satellite position.
  • this is done by means of a single satellite dish, when two satellite positions are arranged in a close orbital position to each other geo-stationary, so that with a "squinting" multifeed arrangement, the programs broadcast by both geostationary satellites can be received.
  • the twin converter arrangement has at least one further connection, namely an additional input, which is designed as a loop-through input.
  • An associated, connected subscriber can receive the programs broadcast via another satellite position.
  • the actual output, to which an associated subscriber can be connected can be switched as required between the actual output of the twin converter arrangement (twin LNBs) for receiving the programs broadcast via a first satellite position and the loop-through input.
  • twin LNBs twin LNBs
  • a crosswise interconnection of the two twin converter arrangements is made, wherein each of the two twin receivers has a corresponding additional loop-through input.
  • both subscribers may receive the programs broadcast from both satellite positions, optionally in a lower or upper frequency band in both polarizations. Since, from the perspective of the respective subscriber, the programs received from a first and second satellite position are received at different setting positions, it is preferably provided that the twin converter arrangement has, in addition to the two outputs and the additional loop-through input, a further coding input which does not contain any RF signals supplies and so far "passive" is switched. Due to the coding device effected thereby, however, the position value of an LNB branch can be changed from the default setting "Default A" to "Default B". The second LNB branch thus contains a corresponding assignment of the respective other satellite position.
  • the second mixer is not a local oscillator frequency of, for example, 10600 MHz is used, but in contrast a local oscillator frequency, which is above the upper end of the upper frequency band.
  • An inverse conversion is carried out in such a way that the frequency range lying above the upper limit of the upper frequency band (ie above 12.750 MHz) is converted to a range below 1100 MHz, which is otherwise completely free of transponders and satellite signals.
  • a suitable bandpass filter eg 950 MHz center frequency and a bandwidth of 40 MHz
  • ZFl / Sat.-ZFl center frequency of 950 MHz are implemented.
  • a so-called one-cable tripple converter solution can be realized in which two offset transponder frequency ranges combined with a satellite IF band range become.
  • it can also be a single-cable quad LNB solution are constructed in which a plurality of frequency spaced apart transponder are generated, and these transponder branches are then combined at the respective output of a switching matrix arrangement via a crossover.
  • several transponders can be fed to a single common antenna line.
  • the DE 44 07 831 C2 discloses a method for accessing passive broadband coaxial cable networks with M subscribers connected to network nodes providing uplink and downlink N transmission channels, where M> N, where an uplink (backchannel) frequency band and a downstream band of frequency band the same coaxial cable are provided, and wherein the participants each have a receiver and a transmitter.
  • the method is used for bidirectional operation on a coaxial cable with a tree or ring structure, in which the participants can communicate with each other via a network node or via other network nodes connected to these participants or in the network node available retrieval services.
  • the receiver of a subscriber in its attempt to access the frequency band of the upward direction is searched for a free carrier frequency channel that this is then occupied by turning on the subscriber's transmitter and thus the network node is signaled the connection request and that of this then a transmission channel allocated in the downlink direction. It is assumed that in view of the expected traffic statistics never all participants at the same time want access to the system, so that a larger number M of subscribers than the number N of the available channels at any time access is made possible.
  • the receivers of all subscribers can be tuned to the carrier frequencies of all channels in the up and down direction.
  • the transmitters of all subscribers to the carrier frequencies of all channels in the upward direction are tunable.
  • the number of transmitters and receivers is equal to the number of channels N available in the system.
  • the network node By switching on the carrier and transmitting corresponding signaling information, the network node notifies the newly connected subscriber a transmission channel in the downward direction.
  • the bidirectional communication which can be both symmetric and asymmetric, with other participants connected to the network nodes, with participants that are connected to other network nodes, or z.
  • B. databases of polling services available in the network node can begin.
  • the signal generating means comprises an antenna which receives the signals and at least one down-converter which converts the received signals of a certain polarity from a reception frequency band into signals in an intermediate frequency band.
  • the head device is followed by the Signalgeereirwichtung and the signal processing unit is the input side connected via a cable to the down converter and the output side connected to a single distribution cable, via which the processed signals are transmitted in the intermediate frequency band to user sockets.
  • the signal processing unit of the head device has channel-specific converters, which convert a predeterminable channel in the intermediate frequency band to another channel in the intermediate frequency band.
  • the channel-specific converter of the head device are in integrated at least one converter module, which is connectable at its input via the cable to the down converter and at its output to the distribution cable.
  • the converter module has at least two channel-specific converters, which are connected to one another in such a way that an input of a first converter module is connected to an input of a second converter module, which is adjacent to the first converter module, and in that an output of first converter module is connected to an output of the second converter module.
  • connection of the inputs of two adjacent channel-individual converter and / or the connection of the outputs of two adjacent channel-individual converter is realized by connecting bridges.
  • Each channel-specific converter has on the input side and / or output side a tracking filter, a microprocessor which controls at least one oscillator of and / or an amplifier of the channel-specific converter.
  • the microprocessor of the channel-specific converter can be connected to an external converter input device via which data can be input which designate a predefinable input channel frequency and a predefinable output channel frequency and / or signal amplification parameters for controlling the amplifier.
  • Two adjacent modules can be combined with each other via a first mixer, ie several converter modules are connected to the first mixer, the output of which is connectable to the distribution cable.
  • the system comprises a second mixer having at least two inputs, one of the inputs via an amplifier, connecting bridge and the power supply to the output of the converter module and the other input to a down converter and the output of the second mixer via an amplifier with the single Distribution cable is connectable.
  • signals of different channels have the same frequency in the intermediate frequency band, which different inputs of the second mixer, different signal levels.
  • a satellite receiving system or an associated method for their operation known in the or in which a single antenna line z. B. four or eight participants are connected, without causing problems in terms of data transmission and control of participants and assignment of specific addresses.
  • a converter block is provided in the head station, in which a separate converter stage is provided for each connected subscriber.
  • each satellite program selected by each individual subscriber ie the corresponding satellite program channel frequency is converted into different channel frequencies with sufficient frequency spacing and fed via a sum circuit with a common receiver bus leading to all participants, ie an antenna derivation.
  • the respective converter stage conversion takes place into a frequency channel assigned to a single subscriber and thus receiver, which lies in the region of the received satellite frequency level, so that conventional receivers can be connected on the subscriber side in principle.
  • the connected receivers work together with a controller unit in such a way that the converter stage assigned to this receiver is controlled by means of a corresponding receiver signal in such a way that the selected program is switched to the corresponding output of this converter stage of the converter block
  • Preset frequency channel is implemented and fed into the sole antenna line.
  • the data bus for controlling the connected subscribers / receivers in interaction with the controller unit can be referred to as a multimaster bus, since the connected subscribers are not operated in a master-slave configuration but are in principle connected to this multimaster bus on an equal basis are.
  • each receiver Via this multimaster bus, it is then possible to assign each receiver a specific address in the converter stage from the controller so that a subscriber-selected program is converted to a different channel, ie a different channel frequency, via the converter stage assigned to the respective receiver all connected subscribers / recalcers can select and receive, via the channel assigned to them, all programs that can basically be received via the satellite receiving antenna.
  • the converter block is preceded by a matrix that allows the individual subscribers, ie the connected receivers, independently of each other to select and receive any program, regardless of whether it is transmitted with vertical or horizontal polarization in a lower or upper frequency band.
  • each converter stage comprises a voltage switch and a downstream 22 KHz modulator.
  • each converter stage in the receive direction following parallel to the switching branch comprises a capacitor for galvanic isolation, a first mixer, a downstream amplifier, a further downstream SAW filter and a further mixer connected on the output side.
  • the oscillator frequency of the oscillator frequency is second mixer, for example, by means of a fixed local oscillator frequency f l to f n of a respectively associated local oscillator driven.
  • the connected receivers work together for multimaster communication with a controller unit so that each receiver can only send and receive control signals if no other receiver is activated or the controller does not send any signals to the bus.
  • measures for a collision protection bus observation phases, address and various collision protection headers) are provided, which ensures that at any given time only one receiver can be active on the bus, ie send data or receive from the controller.
  • the multimaster bus is operated by means of a DC level switching so that it is always recognizable whether the multimaster bus for transmitting new transmission signals by another receiver is ready or disabled.
  • the multimaster bus referred to above, preferably has its status "disabled” so that other receivers can not enter into communication with the controller.
  • the transmission protocol is structured in such a way that if two or three receivers are operated at the same time, they should check after a different set time whether another receiver is still in the "communication stage". If this is detected, the respective receiver that recognizes this, returns to its original position and must wait for another waiting cycle. In this way, it can be ensured that a converter stage is always driven via a receiver only at one time, the subscriber channel (frequency channel) being presupposed as the default.
  • the invention is compared to the known methods or devices, the task of further developing them so that even with subsequent extensions controlled by the user, this is the complete frequency spectrum available.
  • the method according to the invention has the advantage that in a surprisingly simple and cost-effective manner, the entire program offer can be made available to each of the users, without the risk that, when the individual programs are implemented, they are no longer receivable.
  • a frequency converter multiple converter
  • the saving of frequency converters means a massive cost saving, especially in installations with m ⁇ n.
  • the central assignment of the occupancy can be avoided in a surprisingly simple and cost-effective manner an access conflict.
  • the inventive method according to claim 2 with a decentralized dynamic assignment of the occupancy has the advantage that also in a surprisingly simple and cost-effective manner an access conflict can be avoided.
  • inventive embodiments of the device according to one of the claims 7 to 10 have the advantage that in larger buildings the construction of satellite distribution systems without restrictions as in known "Einffymiken", especially that only a certain section of the entire program is available, is possible ,
  • the device of the invention brings considerable simplifications, since the extension to a new subscriber in the tree structure according to the invention does not automatically as in the prior art, the laying of a new antenna cable (star structure) means.
  • the device according to the invention can be used independently of the structural conditions and enables the flexible allocation and controlled conversion of transponders for the subscriber provision via an IF channel permanently assigned to the subscriber.
  • control signals according to the DISEqC standard used which are coupled by means of a low-pass filter device.
  • This development of the invention has the advantage, through the use of control signals according to the DISEqC standard 1.0 or higher, that commercial satellite receivers can be used. In practice, a multiplicity of subscriber channels can thereby be configured or flexibly assigned.
  • This embodiment of the invention with a central dynamic assignment of the occupancy reliably avoids access conflicts and allows the desired configuration at any time, including the possibility of remote configuration and / or remote diagnosis (via ISDN, WAN, LAN, Internet) and / or blocking certain frequencies (toll channels of Service provider or as kind of parental control).
  • the "freeze occupancy state" i.
  • the quasi-static operation of the system has the advantage that the times for evaluating an access request or documents of the subscriber channel can be significantly shortened.
  • each participant TN requires its own antenna line AL (eg AL1) to the multi-switch. If a new participant TN is added, a new antenna line AL (eg AL2) must be drawn, which is usually associated with problems in practice.
  • AL antenna line
  • FIG. 6 and FIG. 7 show preferred embodiments of the inventive device for the configuration of n independent subscribers of a satellite receiving system.
  • the field of application extends from star distributions, in which more than one terminal device is to be connected per antenna socket, via the conversion of cable systems to the extension of existing satellite systems.
  • the satellite IF planes applied to the outputs of an LNB receive converter LN are applied to a matrix M which loops through the satellite IF planes.
  • the in FIG. 1 shown quattro LNB receive converter LN converts the horizontally and vertically polarized satellite signals from the high frequency range, namely a lower frequency band L of 10.7 to 11.7 GHz (see FIG.
  • a multi-converter MU is connected to the matrix M, which has a first and a second mixer M1, M2 for directly converting one of the receiving channels EK located in the satellite IF level into a subscriber channel TK1, .. TKn assignable to the subscriber.
  • the mixing stages M1, M2 each contain an oscillator tunable in the satellite IF level and a filter BP1, BP2 downstream thereof.
  • the filter BP2 arranged in the second mixing stage M2 is preferably designed as a tunable bandpass filter.
  • Connected to the second mixing stage M2 is a filter device which has a high-pass HP and a low-pass TP for separating the high-frequency useful signals and the low-frequency control signals.
  • TP a summer FW, to which a common to the participants and via outlets AD1, ..., ADn guided antenna line AL is connected.
  • the connection box ADn has a terminating resistor AW as the end socket for the shaft-resistance-compliant termination.
  • control signals according to the DISEqC standard which are coupled out by means of the low-pass filter TP, are used to control m multiple transducers M, which are arranged parallel to one another and are brought together via the crossover FW.
  • an unassigned subscriber channel TK1,... TKn is allocated to it, so that each of the subscribers can optionally receive programs on all satellite IF levels.
  • FIG. 3 indicated by the double arrow to the assignment of any receiving channel EK to one symbolize fixed subscriber channel TK1;
  • an extended frequency range TKE can be provided.
  • matrix M, multiple converter MU, filter means HP, TP and crossover FW are combined to form a basic module G, at whose input the LNB reception converter LN and at whose output the antenna line AL is connected.
  • an antenna line AL is not assigned to a specific basic module G.
  • Each of the basic modules G can have a control device for assigning the subscriber channels TK1,... TKn and for evaluating the control signals coming from the subscriber.
  • the basic modules G are combined to form a multi-switch, which has a control device ST.
  • the respectively occupied subscriber channel TK1, .. TKn can be stored in a channel memory SP.
  • the allocation of the subscriber channels TK1, .. TKn also be done decentralized (see FIG. 1 ), by each participant virtually "on-hook" when switching on, whether a subscriber channel is busy and if so, switches to another subscriber channel.
  • the above-described embodiment of the device according to the invention is characterized by the flexible configuration of n independent subscribers of a satellite receiving system and by the possible extension of any of the groups (ie the different antenna lines / trunk lines) to full expansion (in the intermediate frequency range from 950 to 2150 MHz under Considering the required safety distance and the necessary filter effort approx. 20 participants).
  • the number of frequency / repeaters number of trunk lines x number of subscribers per trunk, i.
  • multiswitch with 4 outputs and 4 subscribers per output 16 frequency converters.
  • a first inventive approach is the use of groups of multiple converters MU ( FIG. 1 , G) in such a multi-switch as in FIG. 4 shown. If each antenna line AL is made available, for example, four multiple converters MU via a corresponding crossover FW, up to four subscribers can be connected per antenna line AL. These subscribers must support the protocol necessary for controlling the multi-converter MU.
  • FIG. 5 Another much more flexible design shows FIG. 5 , Here, the outputs of the multiple converter MU via a matrix M the crossover FW and thus the antenna lines AL are supplied.
  • the advantage of this embodiment is the use of the cost-determining multiple converter MU only for the subscriber TNe, who must share an antenna cable. For the same requested satellite transponder, a multiple converter MU can even be used for several subscribers on different antenna lines AL.
  • Another advantage is when a subscriber TNE who receives the Multi-converter protocol supported, an extended frequency range ( ⁇ 950 MHz or> 2150 MHz) supported (see FIG. 3 , TKE), then this can share an antenna line AL with a subscriber TN, which only the control of Mutischaltem after FIG. 8th supported by the DISEqC protocol.
  • existing plants can after FIG. 8th be gradually expanded; This means that one master line can be changed after the other or a SAT system can be extended.
  • a central control ST is integrated with memory SP.
  • the request from subscriber channels or satellite levels is supplied to the controller ST by the subscriber via the antenna socket AD, the antenna line AL and a low-pass filter TP.
  • collision protection in the request can z. For example, a majority vote will be used.
  • the subscriber recognizes whether the requested transponder has also been switched through. If a collision, because two participants have sent a request at the exact same time, this has not happened, the transponder is requested again. If the waiting time until the renewed request is chosen at random, a renewed collision is very unlikely.
  • the control device ST in FIG. 6 can optionally be remotely configured via an interface FK, z. B. to release individual transponder for individual participants or block.
  • a second matrix MA with adder is connected to the filter devices HP.
  • the low-frequency control signals of, for example, 22 kHz located in the return channel are supplied to the control device ST via the respective low-pass filter TP.
  • An infeed further frequency ranges, z. B. terrestrial channels, is also in these embodiments according to FIG. 4 to FIG. 7 via a corresponding interface or receiving device I / O;
  • I / O interface or receiving device
  • this can be used in hotel television to generate a start screen when switching on and to allow the hotel guest more information;
  • the totalizer FW can also be designed as a (controlled) crossover network;
  • the device according to the invention can also be remote-configurable and / or remote-diagnosable (via ISDN, WAN, LAN, Internet) and can also be used in a cable television system or broadband information system for distribution services and interactive services (pay-per-view, pay-TV, video-on-demand or the like).
  • signals from a second satellite i.e., then a total of eight satellite IF planes and thus also eight different control signals
  • signals from a second satellite can be switched through in high frequency to the subscriber; by blocking certain frequencies in the first mixer certain transponders can be blocked (fee-based channels of service providers or as a kind of parental control and thereby extendable to all programs or all satellite IF levels); by extending the tunable frequency range at the second mixer (for example, beginning intermediate frequency range at 700 MHz), the number of connectable per trunk line participants (for example, from 20 to 25 participants) can be increased.

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  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
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  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Claims (17)

  1. Procédé pour la configuration des n utilisateurs indépendants d'une installation de réception de satellite avec un LNB-convertisseur de réception (LN), une matrice (M), au moins un convertisseur multiple , au moins un dispositif de filtrage (HP, TP), un sommateur ou un coupleur ou un coupleur commandé (FW) ou une matrice avec additionneur et au moins un câble d'antenne (AL) avec des boîtes de jonction ( AD1, ..., ADn) pour tous les utilisateurs , où
    • à l'aide des signaux de commande étant transmis par le câble d'antenne respectif (AL) la commande de matrice (M) est effectuée étant composée de m convertisseurs multiples (MU) en parallèle et d'un coupleur commandé ou d'une matrice avec additionneur, par lesquels:
    ➢ l'étage FI de satellite, étant connecté à la sortie du LNB-convertisseur de réception (LN), est couplé par une voie de haute fréquence à la sortie de la matrice (M) et
    ➢ une conversion directe dans le convertisseur multiple respectif (MU) des voies de réception (EK) situées dans l'étage FI de satellite est effectuée en voie d'utilisateur (TK1, ..., TKn) étant attribué à un utilisateur et
    • où l'attribution d'occupation des voies d'utilisateurs (TK1, ..., TKn) est effectuée centralement (ST) où la voie d'utilisateur occupée respective (TK1, ..., TKn) est mémorisée dans une mémoire de voies (SP),
    de telle manière que la mise en marche d'un nouvel utilisateur, lequel est connecté à un câble d'antenne collectif (AL) d'un groupe déjà connecté, est attribué une voie d'utilisateur (TK1, ..., TKn) non-occupée, de telle manière que chaque utilisateur peut capter tous les programmes de l'étage FI de satellite à son choix.
  2. Procédé pour la configuration des n utilisateurs indépendants d'un dispositif de réception de satellite avec un LNB-convertisseur de réception (LN), une matrice (M), au moins un convertisseur multiple (MU), au moins un dispositif de filtrage (HP, TP), un sommateur ou un coupleur ou un coupleur commandé (FW) ou une matrice avec additionneur et au moins un câble d'antenne (AL) avec des boîtes de jonction (AD1, ..., ADn) pour tous les utilisateurs , où
    • à l'aide des signaux de commande étant transmis par le câble d'antenne respectif (AL) la commande de matrice (M) est effectuée étant composée de m convertisseurs multiples (MU) en parallèle et d'un coupleur commandé ou d'une matrice avec additionneur, par lesquels:
    ➢ l'étage FI de satellite, étant connecté à la sortie du LNB-convertisseur de réception (LN), est couplé par une voie de haute fréquence à la sortie de la matrice (M) et
    ➢ une conversion directe dans le convertisseur multiple respectif (MU) des voies de réception (EK) situées dans l'étage FI de satellite est effectuée en voie d'utilisateur (TK1, ..., TKn) étant attribué à un utilisateur et
    • où l'occupation des voies d'utilisateur (TK1, ..., TKn) est décentralisée, cependant chaque nouvel utilisateur de plus commençant avec la voie d'utilisateur la plus basse (TK1) ou la fréquence la plus haute (TKn) contrôle l'état d'occupation et s'elle est occupée il se connecte à la voie d'utilisateur avec la fréquence plus élevé ou plus bas (TK2, TKn-1).
    de telle manière que la mise en marche d'un nouvel utilisateur lequel est connecté à un câble d'antenne collectif (AL) d'un groupe déjà connecté, est attribué une voie d'utilisateur (TK1, ..., TKn) non-occupée, de telle manière que chaque utilisateur peut capter tous les programmes de l'étage FI de satellite à son choix.
  3. Procédé selon revendication 1 ou 2 , caractérisé en ce qu'on utilise un signal de commande selon le standard DiSEqC, lequel est découplé à l'aide d'un filtre passe-bas (TP) du dispositif de filtrage (HP, TP).
  4. Procédé selon revendication 1 ou 2 , caractérisé en ce qu'on peut occuper dans les différents groupes en même temps les mêmes voies d'utilisateur (TK1, ..., TKn).
  5. Procédé selon revendication 1, caractérisé en ce qu'on peut réaliser à chaque moment une configuration souhaitée et éviter une manipulation par l'utilisateur par un Software-Update dans le dispositif de commande (ST) cependant le dispositif de commande (ST) contrôle avant chaque changement l'autorisation.
  6. Procédé selon revendication 2, caractérisé en ce que, par l'utilisation des boutons poussoirs au niveau du démodulateur (TN, TNE, TNe) ou par commande de menu une nouvelle configuration continue de l'état d'occupation est « gelé », où l'utilisateur peut contrôler à chaque moment le fonctionnement correct du démodulateur (TN. TNE, TNe).
  7. Dispositif pour la configuration des n utilisateurs indépendants d'un dispositif de réception de satellite est composé:
    ➢ d'un LNB-convertisseur de réception (LN) où l'étage FI de satellite respectif est connecté à sa sortie,
    ➢ d'une matrice (M) étant connectée aux sorties du LNB-convertisseur de réception (LN), pour le couplage de l'étage FI de satellite,
    ➢ des m convertisseurs multiples (MU) étant rangés en parallèle entre eux, lesquels possèdent chaqu'un un premier et un deuxième mélangeur (M1, M2) pour la conversion directe d'un canal de réception (EK) étant situé à l'étage FI de satellite en une voie d'utilisateur (TK1, ..., TKn) étant attribuée à l'utilisateur
    ➢ d'un deuxième mélangeur (M2) étant connecté au dispositif de filtrage (HP, TP),
    ➢ d'un sommateur ou d'un coupleur ou d'un coupleur commandé (EW) étant connectés au dispositif de filtrage (HP, TP) pour la jonction des voies d'utilisateur (TK1, ..., TKn),
    ➢ d'un dispositif de commande (ST) pour la commande de la matrice (M) et de m convertisseur multiples (MU) étant rangés en parallèle entre eux, et
    ➢ au moins d'un câble d'antenne (AL) pour plusieurs utilisateurs avec des boîtes de jonction (AD1, ..., ADn)
    de telle manière que la mise en marche d'un nouvel utilisateur lequel est connecté à un câble d'antenne collectif (AL) d'un groupe déjà connecté, est attribué une voie d'utilisateur (TK1, ..., TKn) non-occupée, de telle manière que chaque utilisateur peut capter tous les programmes de l'étage FI de satellite à son choix.
  8. Dispositif pour la configuration des n utilisateur indépendants d'un dispositif de réception de satellite est composé:
    ➢ d'un LNB-convertisseur de réception (LN) où l'étage FI de satellite respectif est connecté à sa sortie,
    ➢ d'une matrice (M) étant connectée aux sorties du LNB-convertisseur de réception (LN), pour le couplage de l'étage FI de satellite,
    ➢ des m convertisseurs multiples (MU) étant rangés en parallèle entre eux, lesquels possèdent chaqu'un un premier et un deuxième mélangeur (M1, M2) pour la conversion directe d'un canal de réception (EK) étant situé à l'étage FI de satellite en une voie d'utilisateur (TK1, ..., TKn) étant attribuable à l'utilisateur
    ➢ d'un deuxième mélangeur (M2) étant connecté à un dispositif de filtrage (HP, TP),
    ➢ d'un sommateur ou d'un coupleur ou d'un coupleur commandé (FW) étant connecté à un dispositif de filtrage (HP, TP) pour la jonction des voies d'utilisateur (TK1, ..., TKn) et
    ➢ au moins d'un câble d'antenne (AL) pour plusieurs utilisateurs avec des boîtes de jonction (AD1, ..., ADn)
    de telle manière que chaque nouvel utilisateur de plus commençant à la voie d'utilisateur la plus basse fréquence ou la fréquence la plus haute contrôle l'état d'occupation et s'elle est occupée il se connecte à la voie d'utilisateur avec la fréquence plus élevé ou plus basse pour que à la mise en marche d'un nouvel utilisateur, lequel est connecté à un câble d'antenne collectif (AL) d'un groupe déjà connecté, soit attribué à une voie d'utilisateur (tel, ..., TKn) non-occupée, de telle manière que chaque utilisateur peut capter tous les programmes de l'étage FI de satellite à son choix.
  9. Dispositif pour la configuration des n utilisateur indépendants d'un dispositif de réception de satellite est composé:
    ➢ d'un LNB-convertisseur de réception (LN) où l'étage FI de satellite respectif est connecté à sa sortie,
    ➢ d'une matrice (M) étant connectée aux sorties du LNB-convertisseur de réception (LN), pour le couplage de l'étage FI de satellite,
    ➢ des m convertisseurs multiples (MU) étant rangés en parallèle entre eux, lesquels possèdent chaqu'un un premier et un deuxième mélangeur (M1, M2) pour la conversion directe d'un canal de réception (EK) étant situé à l'étage FI de satellite en une voie d'utilisateur (TK1, ..., TKn) étant attribuable à l'utilisateur,
    ➢ d'un coupleur (FW) étant connecté à un convertisseur multiple (MU) composé d'additionneurs et de commutateurs,
    ➢ d'un dispositif de commande (ST) pour la commande de la matrice (M), du coupleur (FW) et des m convertisseurs multiples (MU) étant rangés en parallèle entre eux,
    ➢ d'un câble d'antenne (AL) avec des boîtes de jonction (AD1, ..., ADn) connecté respectivement à un coupleur (FW) et le groupe d'utilisateurs respectifs,
    de telle manière que à chaque mise en marche d'un nouvel utilisateur à cet utilisateur est attribué une voie d'utilisateur (TK1, ..., TKn) non-occupée des m convertisseurs multiples (MU) étant rangés en parallèle entre eux et à l'aide du coupleur (FW) il est connecté au câble d'antenne (AL) respectif, de telle manière que chaque utilisateur peut capter tous les programmes de l'étage FI de satellite à son choix.
  10. Dispositif pour la configuration des n utilisateur indépendants d'un dispositif de réception de satellite est composé:
    ➢ d'un LNB-convertisseur de réception (LN) où à ses sorties l'étage FI de satellite respectif est connecté,
    ➢ d'une première matrice (M) étant connectée aux sorties du LNB-convertisseur de réception (LN), pour le couplage de l'étage FI de satellite,
    ➢ des m convertisseurs multiples (MU) étant rangés en parallèle entre eux, lesquels possèdent chaqu'un un premier et un deuxième mélangeur (M1, M2) pour la conversion directe d'un canal de réception (EK) étant situé à l'étage FI de satellite en une voie d'utilisateur (TK1, ..., TKn) étant attribuable à l'utilisateur
    ➢ d'un deuxième mélangeur (M2) étant connecté au dispositif de filtrage (HP),
    ➢ d'une deuxième matrice (MA) avec additionneur étant connecté à un dispositif de filtrage (HP),
    ➢ d'un dispositif de commande (ST) pour la commande de deux matrices (M, MA) et les m convertisseurs multiples (MU) étant rangés en parallèle entre eux et
    ➢ d'un câble d'antenne (AL) avec des boîtes de jonction (AD1, ..., ADn) connecté respectivement à la deuxième matrice (MA) et le groupe d'utilisateurs respectifs,
    de telle manière que à chaque mise en marche d'un nouvel utilisateur à cet utilisateur est attribué une voie d'utilisateur (TK1, ..., TKn) non-occupée des m convertisseurs multiples (MU) étant rangés en parallèle entre eux et la deuxième matrice (MA) est connecté au câble d'antenne (AL) respectif, de telle manière que chaque utilisateur peut capter tous les programmes de l'étage FI de satellite à son choix.
  11. Dispositif selon revendication 7 ou 9 ou 10, caractérisé en ce qu'on a prévu une mémoire de voies, dans laquelle la voie d'utilisateur (TK1, ..., TKn) est strictement attribuée à l'utilisateur.
  12. Dispositif selon revendication 7 ou 8 ou 9 ou 10, caractérisé en ce que les mélangeurs (M1, M2) possèdent respectivement un oscillateur variable en fréquence dans l'étage FI de satellite et à sa sortie un filtre (BP1, BP2).
  13. Dispositif selon revendication 12, caractérisé en ce que le filtre (B2) installé dans le deuxième mélangeur (M2) est un filtre passe-bande à fréquence variable.
  14. Dispositif selon revendication 7 ou 8 ou 9 ou 10, caractérisé en ce que le dispositif de filtrage pour le découplage des signaux utile à haute fréquence et des signaux de commande à basse fréquence possède un filtre passe-haut (HP) et un filtre passe-bas (TP).
  15. Dispositif selon revendication 7 ou 8 ou 9, caractérisé en ce qu'on a assemblé la matrice (M), les m convertisseurs multiples (MU), les n dispositifs de filtrage (HP, TP) et les sommateurs ou les coupleurs ou les coupleurs commandés (FW) à un module de base (G). A son entrée est connecté le LNB-convertisseur de réception (LN) et à sa sortie le câble d'antenne (AL).
  16. Dispositif selon revendication 15, caractérisé en ce que chaque module de base possède un dispositif de commande pour l'attribution des voies d'utilisateur (TK1, ..., TKn) et pour l'exploitation des signaux de commande venant des utilisateurs ou que les modules de base sont assemblé à un commutateur multiple, possédant un dispositif de commande (ST).
  17. Dispositif selon les revendications 7 jusqu'à 16, caractérisé en ce qu'un dispositif de réception (FK) est connecté à un dispositif de commande (ST) pour une configuration à distance et/ou pour un diagnostic à distance.
EP06017516A 2005-08-23 2006-08-23 Procédé et dispositif pour la configuration des n utilisateurs indépendents d'une installation de réception de satellite Not-in-force EP1760917B1 (fr)

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