EP2469666B1 - Multimedia container - Google Patents
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- EP2469666B1 EP2469666B1 EP11009329.1A EP11009329A EP2469666B1 EP 2469666 B1 EP2469666 B1 EP 2469666B1 EP 11009329 A EP11009329 A EP 11009329A EP 2469666 B1 EP2469666 B1 EP 2469666B1
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- multimedia outlet
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/52—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency mounted in or to a panel or structure
- H01R24/525—Outlets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
- H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
- H01R24/42—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches
- H01R24/46—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency comprising impedance matching means or electrical components, e.g. filters or switches comprising switches
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/005—Intermediate parts for distributing signals
Definitions
- the invention relates to a multimedia box according to the preamble of claim 1.
- So-called antenna doses are well known. In most cases, they are used as flush-mounted boxes. They have a device for connecting an input cable, usually in the form of a coaxial cable. If several multimedia or antenna outlets are to be connected in series one behind the other, a device for connecting an output cable is also formed on the can. Then, the supplied signals can be supplied for example in the form of television or radio programs via the respective input cable (coaxial cable) of the multimedia box and forwarded via the output cable to a respective next multimedia box.
- the respective signals can be coupled out if at the relevant multimedia box one or more subscriber terminals, for example, to receive television programs or to receive radio programs etc. are to be connected.
- the coaxial interfaces in the form of coaxial couplings are usually equipped so that one interface has a male configuration and the other interface has a female configuration.
- Multimedia doses usually include other interfaces and / or other types of interfaces, which need not necessarily be limited to coaxial interfaces for connecting coaxial cables.
- sockets can be provided for connecting a telephone, modem, router or interfaces for connecting lightwave conductors (L-conductors). There are no restrictions in this respect.
- a terminating resistor In an antenna signal home distribution network several antenna sockets are usually connected in series. In such a strand of an antenna signal Hausverteilozoes then a terminating resistor must be connected to the output of the last antenna box. For this purpose, specific terminating resistors are used, which can be connected and fixed, for example, in the cable bed for the output cable. Due to the wave resistance-compliant termination of the strand the highest possible return loss should be achieved.
- the last one to be installed is a terminal box, which is provided with an integrated terminating resistor instead of the output cable connection device. Without such a termination resistor in the last can, reflections would otherwise occur in the line that would help to adversely affect the signal.
- a generic multimedia box in the manner of an "antenna socket" is from the DE 81 25 222 U1 known. Shown is an antenna socket with two coaxial plug-in connections, where, for example, a coaxial cable for receiving a television and / or radio program can be plugged. Furthermore, this prior art antenna socket comprises a connection space for connecting two coaxial cables, which are held by means of a cable clamp. As a result, the coaxial cables to be connected are fixed on the cover plate.
- a multimedia box is also for example from the DE 199 38 074 A1 known. It comprises at least one connection device for connecting an input cable and a connection device for connecting an output cable.
- the socket is shielded and has a cable compartment and a circuit space, which are separated by a bottom plate.
- a basically comparable junction box is also from the DE 198 29 653 A1 known.
- the EP 0 447 660 A1 describes a connection device for data networks. This comprises a switching device which is connected to an unoccupied subscriber line device Connects a terminating resistor between an inner conductor and ground. If the subscriber line device is occupied, the connection between the inner conductor and ground is opened via the terminating resistor. This ensures a corresponding circuit in the immediate signal transmission path between the coaxial cable provided with a connector and the connection device.
- the DE 101 07 100 A1 shows a plug-in device with integrated diagnostic and evaluation circuit, which also takes place with plugged cable, a switch for switching the cable with the diagnostic and evaluation circuit.
- From the DE 90 00 935 U1 is a junction box with a Connection device for a data network as known to remove. It includes a functional plug with a cable and a functional socket, which are tuned to each other as a functional fineness. In this case, several function sockets may be provided as output terminals in an embodiment of this publication.
- the object of the present invention is therefore to provide an improved multimedia socket in general and an antenna socket in particular.
- the multimedia box according to the invention is characterized in that it comprises an integrated switching device.
- This switching device is designed so that it is actuated by an inserted and connected output cable, i. is forced in particular forced. If no output cable is connected, the multimedia socket acts e.g. as a terminal box with effective terminating resistor. However, if an output cable is connected, in which in the relevant cable bed, for example, a coaxial cable Deaniques, fixed and electrically contacted, z.
- an integrated switching device is forcibly operated, so that the multimedia box automatically becomes a through-can, which loop through the antenna signal.
- This measure can be a single multimedia box be used either as a through-outlet or as a terminal box.
- This construction ensures that the multimedia box according to the invention always acts as a terminal box in the delivery state. If an output cable is connected to the multimedia socket as mentioned above, the integrated switching device is actuated and the multimedia socket is switched to a through-socket. If a connected cable is again removed, the switching device is switched back to its initial position, so that the multimedia socket with respect to this cable connection again becomes a terminal box.
- the invention can be realized particularly advantageously in that in the bottom, which separates the cable closing space of a circuit space in the multimedia box, an opening or bore 41a is inserted through which protrudes an actuating or triggering portion of the inventively provided actuator, to make the desired detection or wiring when the output cable is connected.
- the solution according to the invention is particularly suitable for connecting coaxial cables. Because by the operated switch when installing or removing a coaxial cable can be provided in the multimedia socket terminating resistor of appropriate size, usually in the order of 75 Q, on or off, depending on whether the multimedia box as End or through box is used.
- the solution according to the invention is equally suitable for connecting other cables, for example for connecting twisted pair cables, fiber optic cables, but also if the multimedia box z. B. has multiple outputs for connecting different cable types. In each case when a corresponding cable is connected to the respective output, the switching device provided according to the invention is forcibly actuated.
- this switching device - especially for coaxial cables - a terminator can be switched on or off.
- this switching device especially for coaxial cables - a terminator can also be detected automatically by the forced operation switch device, whether an output cable is connected or not.
- an evaluation and / or triggering of a sequential circuit desired for this switching state can then be effected by means of an electronic circuit provided in the multimedia socket.
- the invention has a number of advantages.
- the invention when using coaxial cables, the invention has the significant advantage that in the case of a terminal box no terminator must be mounted separately by the fitter on site.
- no terminator in the case of a terminal box no terminator must be mounted separately by the fitter on site.
- installation errors in a home distribution network are avoided, which could occur when, for example, terminators or when a terminator is connected in one case with the other, and in the other case without capacitive isolation, in particular in satellite reception systems where a DC voltage is also supplied across the inner conductor .
- Such faulty circuits could well have fatal consequences, especially in the case of satellite receiving systems, which would then flow over the terminator used without capacitive separation, an unacceptably high current.
- FIG. 1a and 1b Based on FIG. 1a and 1b are first schematic embodiments a multimedia box according to the invention shown.
- FIGS. 1a and 1b is dashed lines the housing 1 of the multimedia box indicated, which, for example, a first means 2 for connecting an input cable 4 and a second means 3 for connecting an output cable 6 has.
- the one input connection device 2 for connecting an input cable 4 comprises an inner conductor contact device 2a and an outer conductor contact device 2b.
- a corresponding output connection device 3 with an inner conductor and outer conductor contact device 3a, 3b is ultimately also provided for connecting an output cable 6, as described below with reference to FIG. 1b is explained in more detail.
- the input and the output cable 4, 6 each consist of a coaxial cable, whose ends are deposited accordingly, so that the associated inner conductor 13 and the outer conductor 15 on the outer insulation 17 sufficiently far beyond and corresponding to the multimedia socket to the mentioned connection devices. 2 , 3 in the inner and outer conductor can be connected.
- the multimedia box in the housing 1 comprises a transformer or directional coupler 19, which decouples a portion of the supplied by the input cable high-frequency power through the Auskoppeltier 19b.
- FIG. 1a and 1b further show a switching device 25 associated with the output connection device 3, to which a terminating resistor 27 with or without a series-connected capacitor 29 is connected to terminate the transmission path.
- the switching device 25 in this case has an actuating device 125, via which the switching device 25 can be switched between the open and closed positions, preferably against the force of a spring device 26th
- the illustrated multimedia box acts as terminated by the terminating resistor 27 Enddose.
- Termination resistor 27 This ensures that there is no faulty operation and in the case of a terminal box in the absence of output cable, the multimedia box always as an end box with effective Termination resistor 27 works.
- the aforementioned integrated terminating resistor 27 can be optimally adjusted with respect to its size, taking into account the clamping and contacting mechanism, so that a very high return loss is achieved.
- FIG. 2a and 2 B is a corresponding schematic representation reproduced, which differs from the embodiment according to FIG. 1a and 1b only differs in that no on / off switch is used as the switching device 25 (whose one switching contact is always connected to the primary transmission path 19a between input device 2 and output device 3), but a switch, depending on the switching position with either one switching contact 25a (with the connection of the terminating resistor 27) or in its other switching position is electrically connected to the switching contact 25b, in which the terminating resistor is ineffective and the box acts as a through-outlet. Then the RF signals coming from the input cable 4 are fed via the primary path 19a of the transformer / coupler 19 correspondingly into the output cable 6 for forwarding to a next multimedia socket.
- the functionality is identical to FIG. 1a and 1b in which the terminating resistor 27 is preferably disconnected or connected with the additionally provided capacitor 29 (which is important in the case of satellite receiving systems in which DC components are also transmitted via the inner conductors).
- the multimedia box comprises a cable connection space 31, namely with two cable beds 33 provided with transverse ribs 32, once for connecting a coaxial input or coaxial output cable 4, 6, wherein in the area of the transverse ribs 32 the corresponding remote and exposed End region of the outer conductor 15 of a coaxial cable 4, 6 rests and thereby contacted with the electrically conductive housing 1, whereas the front side protruding inner conductor 11 protrudes into the inner conductor connection region 34 and there by a screw-operated clamping tongue 35 is known to be mechanically clamped and electrically contacted.
- the structure is designed accordingly for the input and the output cable.
- the inner conductor connection region 34 corresponds to the input as well as the output cable of the inner conductor contact device 2 a or 3 a
- the so-called cable bed 33 corresponds to the one on the hand FIGS. 1a to 1b described outer conductor contact means 2b and 3b corresponds (see FIGS. 1a to 2b ).
- the forms in FIG. 1a In plan view, left inner conductor terminal 34 with the cable bed 33 located in front of the input terminal device 2 for connecting an input cable 4 and in the FIGS. 3a and 3b right inner conductor connection region 34 with the upstream cable bed 33, the outer conductor connection device 3 for connecting an output cable. 6
- the cable connection space 31 thus formed can be folded over an end cap 37 are high-frequency sealed, the end cap 37 is usually held on a plastic strap 38 pivotally mounted on the housing 1 of the multimedia box.
- the multimedia box is constructed like conventional antenna sockets, namely ultimately with a generally approximately cylindrical housing, which is closed at the bottom with a housing cover and in which the coaxial interfaces 23 are formed on the opposite terminal side and with an almost completely encircling mounting flange 39 provided with mounting holes 39a.
- two coaxial interfaces 23a and 23b are provided adjacent to a third interface 23c for the multimedia box, each comprising female (cylindrical) outer conductors 123b and concentric inner conductors 123a lying on the left with a male inner conductor 123a (male configuration ) and two in FIG. 3a and 3b right-hand or lower-lying sleeve-shaped inner conductors 123a (female configuration), via which corresponding coaxial plug-in or screw connectors (couplers) can be connected, for example, to connect a television or radio.
- Figure 3c shows a corresponding perspective view of the multimedia box from its underside ago, with removed shielding housing cover, so that in the lower circuit space 44 lying a circuit board 46th is visible.
- FIGS. 4a to 4c shows a schematic representation of the switching device, in an abstract representation along the line IV-IV in FIG. 3a , wherein the sectional view shown exactly by the pin-shaped actuator 125 leads.
- FIG. 4a In the illustration according to FIG. 4a is a detail of the mentioned bottom plate 41 can be seen, above which the cable bed 33 is located for the output cable 6.
- a printed circuit board 46 on which, for example, the terminating resistor 27, the capacitor 29 and, if necessary, other electronic components or components can be located.
- an electrically non-conductive material actuator 125 is pin-shaped and is slidably held by a bore 41a in the bottom plate 41 and an axially aligned bore 46a in the printed circuit board 46, wherein the pin-shaped switching device 125 has a radially projecting flange stop 125a, in the initial position shown in accordance with FIG. 4a abuts against the bottom plate 41, ie in the illustrated embodiment on the underside 41d of the bottom plate 41 or a separate stop formed thereon or associated therewith.
- This leaf spring 26a pushes the switching device 25 against the bottom plate 41 in its initial position shown.
- an electrically conductive switching spring 125c which is fixedly connected to the actuating device 125, contacted at corresponding contact points 25a, 25b on the underside 46c of the printed circuit board 46 resting, about what, for example, an electrical connection from the inner conductor of the input cable 4 via the transmission path 19a with the mentioned terminating resistor 27 is implemented depending on the application or configuration used with or without series-connected capacitor 29, the multimedia box is thus connected as a terminal box.
- the switching contacts also move away 125c of a switch connection or switching bridge 125'c of corresponding contact points 25a, 25b on the printed circuit board 46, thus lift off from the contact points 25a, 25b, thereby forming an in FIGS. 4a and 4b not shown in detail and preferably located on the printed circuit board 46 terminating resistor 27 is decoupled from the transmission path and is switched from the inner conductor of the input cable via the transmission path 19a to the inner conductor 13 of the output cable 6, the multimedia box is thus thus in a throughput state.
- the switching device would automatically by the force of the spring means 26 in their in FIG. 4a shown starting position be switched back, in which even when connected input cable 4, the multimedia box then automatically acts again as a terminal box, so forcibly and functionally correct said termination 27 is switched on again.
- the actuating device 125 is located in the section of the output cable 6 to be connected, in which the outer conductor 15 is exposed.
- the actuating projection or the end face 125d of the switching device 25 could also be in that region of the end of the coaxial cable 6, in which now the inner conductor 13 projects freely or in which the coaxial cable is also provided with the outer insulation 17.
- the switching contacts 125c are in an extractively three-dimensional representation together with the leaf-shaped spring device 26 with reference to FIG Figure 4c can be seen (without printed circuit boards and other parts), from which it can be seen that in that the two radially opposite switching contacts 125c are conductively connected via a central annular section to form a switching bridge 125'c and, in the embodiment shown, is formed as a one-piece metal part or with a spring part which preferably rests against the contact points 46 under corresponding slight spring tension.
- FIG. 5 Based on FIG. 5 is only schematically shown a modification insofar as not a leaf spring 26a, but a coil spring 26b is used, which is biased in this case under axial pressure, and located on the top 46d of the printed circuit board 46 on the one hand and on the annular stop 125a the actuator 125 is supported to the other, thus thus the actuator 125, as in the previous embodiment, in the in FIG. 5 shown initial position presses, for example, when not connected output cable of the mentioned terminating resistor 27 is effective.
- a coil spring 26b which is biased in this case under axial pressure, and located on the top 46d of the printed circuit board 46 on the one hand and on the annular stop 125a the actuator 125 is supported to the other, thus thus the actuator 125, as in the previous embodiment, in the in FIG. 5 shown initial position presses, for example, when not connected output cable of the mentioned terminating resistor 27 is effective.
- FIG. 6 Based on FIG. 6 a further modification is shown in which, for example, via two contact springs 48a and 48b, which are contacted at corresponding contact points 46 'of the printed circuit board 46, a permanent electrical connection to the terminating resistor 27 is made.
- the contact springs 48a and 48b are thus part of the switching device 25th
- the mentioned leaf spring 26a comparable to the embodiment according to FIGS. 4a and 4b is used, the actuator 125 ends below the angle to each other tapered and in contact contact portions 48a and 48b, wherein the actuator 125 is made of a dielectric material, that acts as an insulator.
- the pin-shaped actuator 125 axially displaced against the force of the spring device 26, the leading operating tip 125e (ie, the actuating head 125e) increasingly immersed in the space between the contact portions 48a and 48b and is further axially shifted down so that the contact surfaces 48a and 48b are bent away from each other elastically, so that the contact is interrupted, so that in this switching position of the example mentioned terminator 27 is turned off, so the multimedia box here again acts as a through-can in this switching state.
- FIG. 7 is an embodiment with a strip spring 26, 26a shown, in which case only one contact spring 25d is used, whose rear portion is mechanically connected and electrically contacted, for example, by soldering to the printed circuit board and whose leading portions 25c can be contacted with a contact 25a on the underside of the printed circuit board. If the pin-shaped actuator 125 axially in the illustration according to FIG. 7 shifted downward (when an output cable 6 is connected as mentioned), the contact 125a of the contact tongue 25d lifts from the contact point 25a, thereby preventing, for example, the connection to a terminating resistor.
- an on / off switch 15 may be provided, which is always connected to the transmission path 19a and is only in the closed position with unoccupied output, with the connection of the terminating resistor 27, and the inlaid Output cable 6 is pivoted in its open position, so that the terminating resistor 27 is disconnected.
- FIG. 8 is shown schematically that as a switching device 25 is not an on / off switch but a switch is used which produces in the initial position shown by a connection or solder 25 'an electrical connection to the terminating resistor 27, wherein the switching contact 125c connected to the output cable. 6 is switched to its second position by the downwardly displaced in Figure 8 pin-shaped actuator (switching pin), in which the corresponding contact 25h at the end of the contact spring 25d of the corresponding mating contact which connects to the terminating resistor 27, lifts and a second contact 25e contacts the counter-contact 25a, so that now an electrical connection is made on the primary transmission path 19 from the input 2 to the output 3, the box thus forms a through-can in this state.
- switching pin switching pin
- FIG. 9 is one too FIG. 8 shown similar embodiment, in which case the leading end of the spring 25d has no electrical contact with the printed circuit board.
- an on-off switch can be realized, which is suitable for the detection of whether an output cable is connected.
- the invention is just as feasible if the connected cables, for example, consist of twisted pair cables, a fiber optic cable or any combination, especially if multiple inputs and outputs are provided.
- the cables could be connected accordingly so that the respective switching pin 125 comes to rest radially to the cable in question, so when connecting the output cable in the radial direction to the cable an adjusting force is introduced to the actuating pin in the longitudinal direction to the desired switching make.
- the solution according to the invention with the relevant switching device can also be provided separately for two or more of these outputs or even for all these outputs, so that it can be determined separately for each output corresponding cable is connected. If this output is provided for connecting a coaxial cable, a separate switching device with an associated separate terminating resistor can be provided in particular for each such coaxial output.
- the switching device can also be designed differently, namely not as an axially displaceable actuating pin but as a pivoting lever, which is adjusted accordingly by an inserted and connected cable, etc.
- the switching can also be designed so that, depending on the deflection of the actuating or switching pin 125, for example, more than two switching positions can be realized.
- a switching position "not connected” to be detected when a coaxial output cable 6 is not connected but for example, two other switching positions be detectable in which, for example, not only detectable that a coaxial output cable 6 is connected, but for example, whether a coaxial output cable with "larger diameter” or in contrast with "smaller diameter” is connected.
- the terminating resistor 27 and a capacitor 29, possibly connected in series are arranged on the printed circuit board 46 for galvanic isolation.
- the terminator may be a wired component, which is either housed in the circuit space 44 of the multimedia box or in the cable connection compartment.
- the placement of the terminating resistor on the printed circuit board 46 is particularly advantageous if the mentioned capacitive separation in the form of a capacitor 29 is provided or even required, since in this case, the resistors and capacitors required for this cost placed with other components on the circuit board and can be soldered.
- a triggering device 1125a may be provided with a permanently installed switching pin 125, namely, when the switching pin 125 made of an electrically conductive material or at least coated with an electrically conductive material and thereby electrically insulated from the bottom plate 41 (electrically isolated) mounted in the region of the outer conductor of a coaxial cable to be connected while electrically connected to the circuit board 46 is. This is based on the sectional representation according to FIG. 11 explained. Is according to FIG.
- an output cable 6 is connected in the region of the output connection device 3, there is a direct electrical connection from the cable outer conductor 15 via the triggering section 125d to the printed circuit board 21 via the aforementioned electrically conductive switching or trigger pin 125, 125 '. This is the electrical resistance in this section very low and can be evaluated by an electrical circuit. If no output cable is mounted, this corresponds to the state of an opened switch.
- the corresponding schematic representation is based on FIG. 11 played.
- the illustrated switching pin 125 which also insofar as an electrically conductive trigger pin 125 ' is referred to, installed movable and electrically isolated to the bottom plate 41 in the region of the output cable outer conductor 15 and thereby electrically connected to a corresponding connection point on the circuit board 46.
- the presence of a connected output cable 6 can then be detected via the circuitry detection, for example, an electrical resistance between outer conductor 15 of a connected output cable 6 via the switching or release pin 125, 125 'to the circuit board 46.
- the galvanic connection between the outer conductor 19 of a connected output cable 6 and the printed circuit board producing switching or release pin 125, 125 ' is thus thus part of a so designed release device 1125a.
- switching devices were shown in which a switching pin was deflected by a connected output cable from its rest position. Based on the last discussed embodiment according to FIG. 11 In contrast, a fixed switching pin has been used, which establishes a galvanic connection between the outer conductor 15 of a connected coaxial output cable 6 and a connection point on the printed circuit board 46, this electrical connection can then be evaluated accordingly to determine whether an output cable 6 connected is or not.
- the switching device may include an inductively, capacitively, optically and / or magnetically operating proximity switch 1125, that is to say a corresponding modified switching device 25, via which the switching process is triggered in the presence of a connected output cable 6. This is only an example FIG.
- an output cable 6 is connected above it-as shown by the other exemplary embodiments-a coaxial cable 6 (in particular its outer conductor) would be present in the immediate vicinity by means of this tripping device 1125b, ie by the inductive, capacitive, optical or magnetic switch 1125, for example 15 are detected, so that a corresponding detection signal can be passed to the circuit board.
- the triggering device 1125b is electrically connected to the associated switch 1125 via a trigger pin 125 or a trigger line to the printed circuit board 46.
- the switch assembly in question can be anchored and supported by a pin-shaped base 125 on the printed circuit board 46, optionally also have a mechanical connection to the bottom plate 41.
- a changeover from end to run mode and vice versa would be in deviation from the illustrated embodiments in principle and then possible, if a switching device 25 is provided in the multimedia box with, which is not forcibly operated when connecting an output cable, but the at is housed elsewhere and, for example, externally operable separately, namely, for example, by an externally accessible switch, button, slide switch, rotary switch or by using a coding on the output cable clamp etc.
- a malfunction would not be excluded because the switch could be operated or not operated, regardless of whether an output cable is actually connected or not.
- the solution according to the invention offers significant advantages.
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Description
Die Erfindung betrifft eine Multimedia-Dose nach dem Oberbegriff des Anspruchs 1.The invention relates to a multimedia box according to the preamble of
Sogenannte Antennendosen sind hinlänglich bekannt. In den meisten Fällen werden sie als Unterputzdosen eingesetzt. Sie weisen eine Einrichtung zum Anschluss eines Eingangskabels, in der Regel in Form eines Koaxialkabels auf. Sollen mehrere Multimedia- oder Antennendosen in Reihe hintereinander geschaltet werden, ist an der Dose auch eine Einrichtung zum Anschluss eines Ausgangskabels ausgebildet. Dann können die zugeführten Signale beispielsweise in Form von Fernseh- oder Radioprogrammen über das jeweilige Eingangskabel (Koaxialkabel) der Multimedia-Dose zugeführt und über das Ausgangskabel an eine jeweils nächste Multimedia-Dose weitergeleitet werden.So-called antenna doses are well known. In most cases, they are used as flush-mounted boxes. They have a device for connecting an input cable, usually in the form of a coaxial cable. If several multimedia or antenna outlets are to be connected in series one behind the other, a device for connecting an output cable is also formed on the can. Then, the supplied signals can be supplied for example in the form of television or radio programs via the respective input cable (coaxial cable) of the multimedia box and forwarded via the output cable to a respective next multimedia box.
Über eine in der Multimedia-Dose vorgesehene Koppeleinrichtung können dann die betreffenden Signale ausgekoppelt werden, wenn an der betreffenden Multimedia-Dose ein- oder mehrere Teilnehmerendgeräte beispielsweise zum Empfang von Fernsehprogrammen oder zum Empfang von Rundfunkprogrammen etc. angeschlossen werden sollen.About a provided in the multimedia box coupling device then the respective signals can be coupled out if at the relevant multimedia box one or more subscriber terminals, for example, to receive television programs or to receive radio programs etc. are to be connected.
Bei den am meisten vorhandenen Antennensteckdosen stehen dazu zumindest zwei Schnittstellen zur Verfügung, in der Regel zwei koaxiale Schnittstellen, nämlich zum Anschluss eines Fernsehers sowie zum Anschluss eines Radios. Die koaxialen Schnittstellen in Form von koaxialen Kupplungen sind dabei in der Regel so ausgestattet, dass die eine Schnittstelle eine männliche Konfiguration und die andere Schnittstelle eine weibliche Konfiguration aufweist.At the most existing antenna sockets there are at least two interfaces available, usually two coaxial interfaces, namely to connect a TV and to connect a radio. The coaxial interfaces in the form of coaxial couplings are usually equipped so that one interface has a male configuration and the other interface has a female configuration.
Derartige Antennendosen stellen letztlich Multimedia-Dosen dar. Multimedia-Dosen umfassen in der Regel weitere Schnittstellen und/oder anders geartete Schnittstellen, die nicht zwingend auf koaxiale Schnittstellen zum Anschluss von Koaxialkabeln beschränkt sein müssen. So können Buchsen beispielsweise zum Anschluss eines Telefons, Modems, Routers bzw. auch Schnittstellen zum Anschluss von Lichtwellen-Leitern (L-Leiter) vorgesehen sein. Einschränkungen bestehen insoweit nicht.Such antenna doses are ultimately multimedia doses. Multimedia doses usually include other interfaces and / or other types of interfaces, which need not necessarily be limited to coaxial interfaces for connecting coaxial cables. For example, sockets can be provided for connecting a telephone, modem, router or interfaces for connecting lightwave conductors (L-conductors). There are no restrictions in this respect.
In einem Antennensignal-Hausverteilnetz werden in der Regel mehrere Antennesteckdosen hintereinander geschaltet. Bei einem derartigen Strang eines Antennensignal-Hausverteilnetzes muss dann am Ausgang der letzten Antennendose ein Abschlusswiderstand angeschlossen werden. Hierfür werden spezifische Abschlusswiderstände eingesetzt, die beispielsweise im Kabelbett für das Ausgangskabel angeschlossen und befestigt werden können. Durch den wellenwiderstandsgerechten Abschluss des Strangs soll eine möglichst hohe Rückflussdämpfung erzielt werden.In an antenna signal home distribution network several antenna sockets are usually connected in series. In such a strand of an antenna signal Hausverteilnetzes then a terminating resistor must be connected to the output of the last antenna box. For this purpose, specific terminating resistors are used, which can be connected and fixed, for example, in the cable bed for the output cable. Due to the wave resistance-compliant termination of the strand the highest possible return loss should be achieved.
Andernfalls ist es grundsätzlich auch bekannt, in einem Strang mit mehreren in Reihe geschalteten Antennendosen als letzte Dose eine Enddose einzubauen, die von Hause aus anstelle der Ausgangskabel-Anschlusseinrichtung mit einem integrierten Abschlusswiderstand versehen ist. Ohne einen derartigen Abschlusswiderstand in der letzten Dose würden ansonsten in der Leitung Reflexionen auftreten, die dazu beitragen, das Signal nachteilig zu beeinträchtigen.Otherwise, it is basically also known in one With several series-connected antenna sockets, the last one to be installed is a terminal box, which is provided with an integrated terminating resistor instead of the output cable connection device. Without such a termination resistor in the last can, reflections would otherwise occur in the line that would help to adversely affect the signal.
Eine gattungsbildende Multimedia-Dose nach Art einer "Antennensteckdose" ist aus der
Eine Multimedia-Dose ist ferner beispielsweise aus der
Eine soweit grundsätzlich vergleichbare Anschlussdose ist auch aus der
Die
Aus der
In der
Die
Aus der
Schließlich beschreibt die
Aufgabe der vorliegenden Erfindung ist es insofern, eine verbesserte Multimedia-Dose im Allgemeinen und eine Antennendose im Besonderen bereit zu stellen.The object of the present invention is therefore to provide an improved multimedia socket in general and an antenna socket in particular.
Die Aufgabe wird erfindungsgemäß mit den im Anspruch 1 angegebenen Merkmalen gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen angegeben.The object is achieved with the features specified in
Die erfindungsgemäße Multimedia-Dose zeichnet sich dadurch aus, dass sie eine integrierte Schalteinrichtung umfasst. Diese Schalteinrichtung ist so konzipiert, dass sie durch ein eingelegtes und angeschlossenes Ausgangskabel betätigt wird, d.h. insbesondere zwangsweise betätigt wird. Ist kein Ausgangskabel angeschlossen, wirkt die Multimedia-Dose z.B. als Enddose mit wirksamen Abschlusswiderstand. Ist jedoch ein Ausgangskabel angeschlossen, in dem im betreffenden Kabelbett beispielsweise ein Koaxialkabel einigelegt, fixiert und elektrisch kontaktiert ist, wird z. B. eine integrierte Schalteinrichtung zwangsweise betätigt, so dass die Multimedia-Dose dadurch automatisch zu einer Durchgangsdose wird, die das Antennensignal durchschleift.The multimedia box according to the invention is characterized in that it comprises an integrated switching device. This switching device is designed so that it is actuated by an inserted and connected output cable, i. is forced in particular forced. If no output cable is connected, the multimedia socket acts e.g. as a terminal box with effective terminating resistor. However, if an output cable is connected, in which in the relevant cable bed, for example, a coaxial cable einigelegt, fixed and electrically contacted, z. For example, an integrated switching device is forcibly operated, so that the multimedia box automatically becomes a through-can, which loop through the antenna signal.
Durch diese Maßnahme kann eine einzelne Multimedia-Dose entweder als Durchgangsdose oder auch als Enddose eingesetzt werden. Durch diesen Aufbau ist gewährleistet, dass die erfindungsgemäße Multimedia-Dose im Auslieferungszustand stets als Enddose wirkt. Wird an der Multimedia-Dose ein Ausgangskabel wie erwähnt angeschlossen, wird die integrierte Schalteinrichtung betätigt und die Multimedia-Dose in eine Durchgangsdose umgeschaltet. Wird ein angeschlossenes Kabel wiederum entfernt, wird die Schalteinrichtung in ihre Ausgangslage zurückgeschaltet, so dass die Multimedia-Dose bezüglich dieses Kabelanschlusses wieder zu einer Enddose wird.This measure can be a single multimedia box be used either as a through-outlet or as a terminal box. This construction ensures that the multimedia box according to the invention always acts as a terminal box in the delivery state. If an output cable is connected to the multimedia socket as mentioned above, the integrated switching device is actuated and the multimedia socket is switched to a through-socket. If a connected cable is again removed, the switching device is switched back to its initial position, so that the multimedia socket with respect to this cable connection again becomes a terminal box.
Dabei lässt sich die Erfindung besonders vorteilhaft dadurch realisieren, dass in dem Boden, der den Kabelnschlussraum von einem Schaltungsraum in der Multimedia-Dose trennt, eine Öffnung oder Bohrung 41a eingebracht ist, durch die hindurch ein Betätigungs- oder Auslöseabschnitt der erfindungsgemäß vorgesehenen Betätigungseinrichtung hindurchragt, um bei angeschlossenem Ausgangskabel die gewünschte Detektion oder Beschaltung vornehmen zu können.In this case, the invention can be realized particularly advantageously in that in the bottom, which separates the cable closing space of a circuit space in the multimedia box, an opening or bore 41a is inserted through which protrudes an actuating or triggering portion of the inventively provided actuator, to make the desired detection or wiring when the output cable is connected.
Die erfindungsgemäße Lösung eignet sich insbesondere zum Anschluss von Koaxialkabeln. Denn durch den betätigten Schalter beim Ein- bzw. Ausbauen eines Koaxialkabels kann dadurch ein in der Multimedia-Dose vorgesehener Abschlusswiderstand in passender Größe, üblicherweise in der Größenordnung von 75 Q, zu- bzw. abgeschaltet werden, je nachdem ob die Multimedia-Dose als End- oder Durchgangsdose dient.The solution according to the invention is particularly suitable for connecting coaxial cables. Because by the operated switch when installing or removing a coaxial cable can be provided in the multimedia socket terminating resistor of appropriate size, usually in the order of 75 Q, on or off, depending on whether the multimedia box as End or through box is used.
Die erfindungsgemäße Lösung eignet sich aber gleichermaßen auch zum Anschluss anderer Kabel, beispielsweise zum Anschluss von Twisted Pair-Leitungen, von Glasfaserkabeln, aber auch, wenn die Multimedia-Dose z. B. mehrere Ausgänge aufweist, zum Anschluss unterschiedlicher Kabeltypen. Jeweils dann, wenn an dem betreffenden Ausgang ein entsprechendes Kabel angeschlossen wird, wird die erfindungsgemäß vorgesehene Schalteinrichtung zwangsweise betätigt.However, the solution according to the invention is equally suitable for connecting other cables, for example for connecting twisted pair cables, fiber optic cables, but also if the multimedia box z. B. has multiple outputs for connecting different cable types. In each case when a corresponding cable is connected to the respective output, the switching device provided according to the invention is forcibly actuated.
Wie erwähnt, kann durch diese Schalteinrichtung - vor allem bei Koaxialkabeln - ein Abschlusswiderstand zu- oder abgeschaltet werden. Im Falle von anderen Leitungstypen oder gar Lichtwellenleitern kann aber durch die zwangsweise betätigte Schaltereinrichtung ebenfalls automatisch detektiert werden, ob ein Ausgangskabel angeschlossen ist oder nicht. In Abhängigkeit der detektierten Schalterstellung kann dann mittels einer in der Multimedia-Dose vorgesehenen elektronischen Schaltung eine für diesen Schaltzustand gewünschte Auswertung und/oder Auslösung einer Folgeschaltung bewirkt werden.As mentioned, this switching device - especially for coaxial cables - a terminator can be switched on or off. In the case of other types of lines or even optical fibers but can also be detected automatically by the forced operation switch device, whether an output cable is connected or not. Depending on the detected switch position, an evaluation and / or triggering of a sequential circuit desired for this switching state can then be effected by means of an electronic circuit provided in the multimedia socket.
Die Erfindung weist eine Reihe von Vorteilen auf.The invention has a number of advantages.
Aus der Schilderung der erfindungsgemäßen Lösung ergibt sich, dass es ausreichend ist, nur eine einzelne Multimedia-Dose für unterschiedliche Schaltzustände zu verwenden. Dies führt zu einer deutlichen Reduzierung der Typenvielfalt, da ein universeller Multimedia-Dosentyp ausreichend ist.From the description of the solution according to the invention it follows that it is sufficient to use only a single multimedia socket for different switching states. This leads to a significant reduction in the variety of types, since a universal multimedia can type is sufficient.
Insbesondere bei Verwendung von Koaxialkabeln weist die Erfindung den wesentlichen Vorteil auf, dass im Falle einer Enddose kein Abschlusswiderstand vom Monteur vor Ort separat montiert werden muss. Dadurch werden vor allem auch Installationsfehler in einem Hausverteilnetz vermieden, die auftreten könnten, wenn beispielsweise Abschlusswiderstände verwechselt werden (d.h. ein Abschlusswiderstand in falscher Größe montiert wird) oder wenn von dem zuständigen Monteur beispielsweise ein Abschlusswiderstand in einem Falle mit, in dem anderen Falle ohne kapazitive Trennung angeschlossen wird, insbesondere bei Satellitenempfangsanlagen, bei denen auch eine Gleichspannung über den Innenleiter bereitgestellt wird. Derartige Fehlschaltungen könnten durchaus fatale Folgen haben, gerade im Falle von Satellitenempfangsanlagen, bei denen dann über den verwendeten Abschlusswiderstand ohne kapazitive Trennung ein unzulässig hoher Strom fließen würde.In particular, when using coaxial cables, the invention has the significant advantage that in the case of a terminal box no terminator must be mounted separately by the fitter on site. As a result, especially installation errors in a home distribution network are avoided, which could occur when, for example, terminators or when a terminator is connected in one case with the other, and in the other case without capacitive isolation, in particular in satellite reception systems where a DC voltage is also supplied across the inner conductor , Such faulty circuits could well have fatal consequences, especially in the case of satellite receiving systems, which would then flow over the terminator used without capacitive separation, an unacceptably high current.
Zudem kann auch kein unsachgemäßer Gebrauch durch den Endnutzer eintreten, wenn dieser beispielsweise ein angeschlossenes koaxiales Ausgangskabel, welches zu einer nächsten Dose führt, entfernt, ohne einen Abschlusswiderstand zu montieren. Denn dadurch wird die betreffende Dose automatisch zur Enddose durch zwangsweise Zuschaltung eines integrierten und richtig dimensionierten Abschlusswiderstandes.In addition, no misuse by the end user can occur if, for example, he removes a connected coaxial output cable which leads to a next socket without mounting a terminating resistor. Because this makes the box in question automatically to the final socket by forced connection of an integrated and correctly dimensioned termination resistor.
Im Gegensatz zum Stand der Technik kann im Rahmen der erfindungsgemäßen Lösung auch sichergestellt werden, dass vor allem bei der Verkabelung unter Verwendung von Koaxialkabeln im Falle einer Enddose der Abschlusswiderstand schaltungstechnisch optimiert ist und an die Klemm- und Kontaktierungsmechanik angepasst ist, so dass eine sehr hohe Rückflussdämpfung der Hochfrequenzsignale sicher erzielt werden kann, und zwar im Gegensatz zu separat zugekauften und eingebauten Abschlusswiderständen, die nicht auf die Klemm- und Kontaktierungsmechanik optimiert sind bzw. aufgrund ihrer mechanischen Abmessungen nicht optimiert werden können.In contrast to the prior art can also be ensured in the context of the inventive solution that especially in the wiring using coaxial cables in the case of a terminal box of the terminating resistor is optimized circuit technology and adapted to the clamping and contacting mechanism, so that a very high Return loss of high frequency signals can be achieved safely, in contrast to separately purchased and built terminators, which are not optimized for the clamping and contacting mechanism or can not be optimized due to their mechanical dimensions.
Die Erfindung wird nachfolgend anhand von Zeichnungen näher erläutert. Dabei zeigen im Einzelnen:
- Figur 1a:
- Ein erstes schematisches Ausführungsbeispiel der Erfindung bezüglich einer Multimedia-Dose, die als Enddose bei einem nicht angeschlossenen koaxialen Ausgangskabel wirkt;
- Figur 1b:
- eine entsprechende Darstellung zu
Figur 1 , jedoch für den Fall, dass an einem Koaxialausgang ein Koaxialkabel angeschlossen ist und die Multimedia-Dose damit als Durchgangsdose wirkt; Figur 2a:- eine entsprechende Darstellung zu
Figur 1a , jedoch nicht unter Verwendung eines Ein-/Ausschalters, sondern eines Umschalters; - Figur 2b:
- eine Darstellung entsprechend
Figur 2a , jedoch für den Fall eines angeschlossenen Koaxialkabels; Figur 3a:- eine schematische Draufsicht auf eine erfindungsgemäße Multimedia-Dose bei geöffnetem Kabelanschlussraum;
- Figur 3b:
- eine entsprechende Darstellung zu
Figur 2a , jedoch in räumlicher Wiedergabe; - Figur 3c:
- eine entsprechende Unteransicht der in
undFigur 3a3b gezeigten Multimedia-Dose bei abgenommenen schirmenden Gehäusebodens; - Figur 4a:
- eine schematische auszugsweise Längsschnittdarstellung durch
ein Betätigungselement 125 eines Schalters 25 in seiner geschlossenen Ausgangsstellung; - Figur 4b:
- eine entsprechende Darstellung zu
Figur 4a , jedoch bei geöffnetem Schaltkontakt; - Figur 4c:
- eine vergrößerte Detaildarstellung einer blattförmigen Rückholfeder und der
Betätigungseinrichtung 125 für die Schaltkontakte eines Schalters; - Figur 5:
- ein zu
Figur 4a abgewandeltes Ausführungsbeispiel unter Verwendung einer Schraubenfeder als Rückhol-Federeinrichtung; - Figur 6:
- ein weiteres abgewandeltes Ausführungsbeispiel unter Verwendung zweier zusammenwirkender Kontaktfedern, die durch die Betätigungseinrichtung des Schalters trennbar sind;
- Figur 7:
- ein nochmals abgewandeltes Ausführungsbeispiel mit einer verstellbaren Kontaktzunge unter Bildung eines Ein-/Ausschalters;
- Figur 8:
- ein zu
Figur 4a nochmals abgewandeltes Ausführungsbeispiel unter Verwendung eines Umschalters anstelle eines Ein-/Ausschalters für die erläuterte Schalteinrichtung; - Figur 9:
- ein abgewandeltes Ausführungsbeispiel in schematischer Darstellung unter Verwendung eines Ein-/Ausschalters mit zwei zusammenwirkenden Kontaktzungen;
- Figur 10a und Figur 10b:
- ein abgewandeltes Ausführungsbeispiel in axialer Stirnseitenansicht auf ein angeschlossenes koaxiales Ausgangskabel unter Verwendung einer verschwenkbaren Betätigungs- und Auslöseeinrichtung unter Ermöglichung einer Detektion weiterer Merkmale bezüglich des angeschlossenen Ausgangskabels;
- Figur 11:
- ein weiteres abgewandeltes Ausführungsbeispiel in schematischer Darstellung mit einer galvanischen Auswertung unter Verwendung einer feststehenden, elektrisch leitfähigen stiftförmigen Betätigungseinrichtung; und
- Figur 12:
- ein weiteres schematisch wiedergegebenes Ausführungsbeispiel, bei welchem ein angeschlossenes Ausgangskabel induktiv, kapazitiv, optisch oder magnetisch detektierbar ist, insbesondere durch einen entsprechenden Näherungsschalter.
- FIG. 1a
- A first schematic embodiment of the invention with respect to a multimedia box which acts as a terminal box on a non-connected coaxial output cable;
- FIG. 1b
- a corresponding representation too
FIG. 1 but in the event that a coaxial cable is connected to a coaxial output and the multimedia box thus acts as a through-outlet; - FIG. 2a:
- a corresponding representation too
FIG. 1a but not using an on / off switch, but a changeover switch; - FIG. 2b:
- a representation accordingly
FIG. 2a , but in the case of a connected coaxial cable; - FIG. 3a:
- a schematic plan view of a multimedia box according to the invention with an open cable connection space;
- FIG. 3b:
- a corresponding representation too
FIG. 2a , but in spatial representation; - FIG. 3c:
- a corresponding bottom view of in
FIG. 3a and3b shown multimedia box with removed shielding housing bottom; - FIG. 4a
- a schematic partially longitudinal section through an
actuating element 125 of aswitch 25 in its closed starting position; - FIG. 4b:
- a corresponding representation too
FIG. 4a , but with the switching contact open; - FIG. 4c:
- an enlarged detail of a leaf-shaped return spring and the
actuator 125 for the switching contacts of a switch; - FIG. 5:
- one too
FIG. 4a modified embodiment using a coil spring as a return spring means; - FIG. 6:
- another modified embodiment using two cooperating contact springs, which are separable by the actuator of the switch;
- FIG. 7:
- a further modified embodiment with an adjustable contact tongue to form an on / off switch;
- FIG. 8:
- one too
FIG. 4a again modified embodiment using a Changeover switch instead of an on / off switch for the illustrated switching device; - FIG. 9:
- a modified embodiment in a schematic representation using an on / off switch with two cooperating contact tongues;
- FIG. 10a and FIG. 10b:
- a modified embodiment in axial end view of a connected coaxial output cable using a pivotable actuating and triggering device while allowing detection of further features with respect to the connected output cable;
- FIG. 11:
- a further modified embodiment in a schematic representation with a galvanic evaluation using a fixed, electrically conductive pin-shaped actuator; and
- FIG. 12:
- another schematically reproduced embodiment in which a connected output cable is inductively, capacitively, optically or magnetically detectable, in particular by a corresponding proximity switch.
Anhand von
In den
Die eine Eingangs-Anschluss-Einrichtung 2 zum Anschluss eines Eingangskabels 4 umfasst dabei eine Innenleiter-Kontakteinrichtung 2a und eine Außenleiter-Kontakteinrichtung 2b. Eine entsprechende Ausgangs-Anschluss-Einrichtung 3 mit einer Innenleiter- und Außenleiter-Kontakteinrichtung 3a, 3b ist letztlich auch zum Anschluss eines Ausgangskabels 6 vorgesehen, wie dies nachfolgend unter Bezugnahme auf
In der gezeigten Zeichnung ist angedeutet, dass im gezeigten Ausführungsbeispiel gemäß
Aus
Die Schalteinrichtung 25 weist dabei eine Betätigungseinrichtung 125 auf, worüber die Schalteinrichtung 25 zwischen Öffnungs- und Schließstellung umgeschaltet werden kann, und zwar bevorzugt entgegen der Kraft einer Federeinrichtung 26.The switching
Im gezeigten Ausführungsbeispiel gemäß
In diesem Falle wirkt also die erläuterte Multimedia-Dose als durch den Abschlusswiderstand 27 abgeschlossene Enddose.In this case, so the illustrated multimedia box acts as terminated by the terminating
Wird nunmehr an der Einrichtung 3 zum Anschluss eines Ausgangskabels 6 ein in
Sollte das Ausgangskabel 6 wieder entfernt werden, würde durch die Federkraft der in
Dadurch ist sichergestellt, dass sich keine Fehlbedienung ergibt und im Fall einer Enddose bei fehlendem Ausgangskabel die Multimedia-Dose stets als Enddose mit wirksamen Abschlusswiderstand 27 wirkt. Der erwähnte integrierte Abschlusswiderstand 27 kann dabei in optimaler Weise unter Berücksichtigung der Klemm- und Kontaktierungsmechanik bezüglich seiner Größe so angepasst sein, dass eine sehr hohe Rückflussdämpfung erreicht wird.This ensures that there is no faulty operation and in the case of a terminal box in the absence of output cable, the multimedia box always as an end box with
Anhand von
Ansonsten ist die Funktionsweise identisch zu
Anhand von den
Dabei ist in der Darstellung gemäß
Der Innenleiteranschlussbereich 34 entspricht also mit anderen Worten für das Eingangs- wie das Ausgangskabel der Innenleiter-Kontakteinrichtung 2a bzw. 3a, wohingegen das sogenannte Kabelbett 33 der an Hand der
Der so gebildete Kabelanschlussraum 31 kann durch Umlegen einer Abschlusskappe 37 hochfrequenzdicht verschlossen werden, wobei die Abschlusskappe 37 üblicherweise über einen Kunststoffbügel 38 schwenkbar am Gehäuse 1 der Multimedia-Dose gehalten ist. Ansonsten ist die Multimedia-Dose wie herkömmliche Antennendosen aufgebaut, nämlich letztlich mit einem in der Regel näherungsweise zylinderförmigen Gehäuse, welches unten liegend mit einem Gehäusedeckel abgeschlossen und bei dem an der gegenüberliegenden Anschlussseite die koaxialen Schnittstellen 23 ausgebildet sind sowie mit einem fast ganz umlaufenden Montageflansch 39, der mit Montageöffnungen 39a versehen ist.The cable connection space 31 thus formed can be folded over an
Im gezeigten Ausführungsbeispiel sind zwei koaxiale Schnittstellen 23a und 23b neben einer dritten Schnittstelle 23c für die Multimedia-Dose vorgesehen, die jeweils buchsenförmige (zylinderförmige) Außenleiter 123b und konzentrisch dazu liegende Innenleiter 123a umfassen, und zwar links liegend mit einem steckerförmigen Innenleiter 123a (männliche Konfiguration) und zwei in
Im Bereich des Kabelbetts 33 zum Anschluss des Ausgangskabels 6 ist ferner das obere Ende der hier stiftförmig gestalteten Betätigungseinrichtung 125 zu sehen, die durch eine entsprechende Bohrung in der Bodenplatte 41 des darunter befindlichen HF-dichten Schaltungsraums in ausreichender axialer Länge ragt. Wie im Zusammenhang mit den
Wird nunmehr ein Ausgangskabel 6 in dem entsprechenden in
Nachfolgend wird auf das Ausführungsbeispiel gemäß
In der Darstellung gemäß
Im Abstand unterhalb der Bodenplatte 41 befindet sich dann im Schaltraum 44 eine Leiterplatine 46 auf der sich beispielsweise der Abschlusswiderstand 27, der Kondensator 29 und bei Bedarf weitere elektronische Baugruppen oder Komponenten befinden können.At a distance below the
Die aus einem elektrisch nicht leitenden Material bestehende Betätigungseinrichtung 125 ist stiftförmig aufgebaut und wird durch eine Bohrung 41a in der Bodenplatte 41 und eine damit axial fluchtende Bohrung 46a in der Leiterplatine 46 verschiebbar gehalten, wobei die stiftförmige Schalteinrichtung 125 einen radial überstehenden flanschförmigen Anschlag 125a aufweist, der in gezeigter Ausgangsstellung gemäß
Ferner ist eine Federeinrichtung 26, in diesem Ausführungsbeispiel als Blatt- oder Streifenfeder 26a, vorgesehen, die beabstandet zur Betätigungseinrichtung 125 an einer Befestigungsstelle 41c an der Unterseite der Bodenplatte 41 fest verankert ist, hier durch eine Nietverbindung realisiert.Further, a
Diese Blattfeder 26a drückt die Schalteinrichtung 25 gegen die Bodenplatte 41 in ihre gezeigte Ausgangsstellung.This leaf spring 26a pushes the switching
In dieser Ausgangsstellung ist eine elektrisch leitfähige Schaltfeder 125c, die fest mit der Betätigungseinrichtung 125 verbunden ist, an entsprechenden Kontaktstellen 25a, 25b auf der Unterseite 46c der Leiterplatine 46 aufliegend kontaktiert, worüber beispielsweise eine elektrische Verbindung vom Innenleiter des Eingangskabels 4 über die Übertragungsstrecke 19a mit dem erwähnten Abschlusswiderstand 27 je nach Anwendungsfall bzw. verwendeter Konfiguration mit oder ohne in Reihe geschaltetem Kondensator 29 realisiert ist, die Multimedia-Dose also als Enddose geschaltet ist.In this initial position, an electrically
Wird nunmehr ein Ausgangskabel 6 im Bereich des Kabelbetts 33 angeschlossen, kommt das Ende eines entsprechend abgesetzt freigelegten Koaxialkabels 6 parallel zum Gehäuseboden 41 zu liegen, wobei beim Anschluss des Koaxialkabels 6 dann axiale Kräfte auf die Stirn- oder Betätigungsseite 125d der Betätigungseinrichtung 125 wirken, so dass über diese axialen Verstellkräfte die stiftförmige Betätigungseinrichtung 125 entgegen der Kraft der Federeinrichtung 26 von der in
Würde das Ausgangskabel wieder entfernt werden, würde die Schalteinrichtung automatisch durch die Kraft der Federeinrichtung 26 in ihre in
Im gezeigten Ausführungsbeispiel liegt die Betätigungseinrichtung 125 in dem Abschnitt des anzuschließenden Ausgangskabels 6, in welchem der Außenleiter 15 freigelegt ist. Der Betätigungsansatz bzw. die Stirnseite 125d der Schalteinrichtung 25 könnte aber auch in jenem Bereich des Endes des Koaxialkabels 6 liegen, in dem nunmehr der Innenleiter 13 frei übersteht oder in dem das Koaxialkabel auch mit der Außenisolierung 17 versehen ist.In the embodiment shown, the
Die Schaltkontakte 125c sind in auszugsweiser dreidimensionaler Darstellung zusammen mit der blattförmigen Federeinrichtung 26 anhand von
Anhand von
Anhand von
In diesem Ausführungsbeispiel, bei dem wiederum die erwähnte Blattfeder 26a vergleichbar mit dem Ausführungsbeispiel nach
Wird nunmehr beim Anschluss eines Ausgangskabels, vergleichbar dem Ausführungsbeispiel nach
Beim Zurückverschwenken der Betätigungseinrichtung 125 - wenn nämlich das Ausgangskabel 6 wieder entfernt wird - fährt damit die Betätigungsspitze 125e wieder in die in
Beliebige weitere Abwandlungen sind also insoweit für die Schalteinrichtung 25 möglich.Any other modifications are so far as possible for the
In
Allgemein gesprochen kann also im Rahmen der Erfindung für die Schalteinrichtung ein Ein-/Ausschalter 15 vorgesehen sein, der stets mit der Übertragungsstrecke 19a verbunden ist und lediglich bei nichtbelegtem Ausgang sich in Schließstellung befindet, und zwar unter Zuschaltung des Abschlusswiderstandes 27, und der bei eingelegtem Ausgangskabel 6 in seine Öffnungsstellung verschwenkt ist, so dass der Abschlusswiderstand 27 abgekoppelt ist.Generally speaking, therefore, within the scope of the invention for the switching device, an on / off
Möglich wäre aber auch, wie anhand von
In
Die erwähnten Ausführungsbeispiele sind für den Fall erläutert worden, dass als Eingangs- bzw. Ausgangskabel Koaxialkabel verwendet werden.The mentioned embodiments have been explained in the case that coaxial cables are used as the input and output cables.
Die Erfindung ist aber genauso umsetzbar, wenn die angeschlossenen Kabel beispielweise aus Twisted Pair-Leitungen, aus einem Glasfaserkabel oder aus beliebigen Kombinationen bestehen, vor allem dann, wenn mehrere Eingänge und Ausgänge vorgesehen sind. In all den Fällen könnten die Kabel entsprechend so angeschlossen werden, dass der jeweilige Schaltstift 125 radial zu dem betreffenden Kabel zu liegen kommt, also bei Anschluss des Ausgangskabels in Radialrichtung zum Kabel eine Verstellkraft auf den Betätigungsstift in dessen Längsrichtung eingeleitet wird, um die gewünschte Umschaltung vorzunehmen.However, the invention is just as feasible if the connected cables, for example, consist of twisted pair cables, a fiber optic cable or any combination, especially if multiple inputs and outputs are provided. In all cases, the cables could be connected accordingly so that the
Dabei wäre es im Hinblick auf
Sind beispielsweise mehrere Ein- und/oder Ausgänge vorgesehen, so kann die erfindungsgemäße Lösung mit der betreffenden Schalteinrichtung auch für zwei oder mehrere dieser Ausgänge oder gar für alle diese Ausgänge separat vorgesehen sein, so dass für jeden Ausgang separat festgestellt werden kann, ob dort ein entsprechendes Kabel angeschlossen ist. Ist dieser Ausgang zum Anschluss eines Koaxialkabels vorgesehen, kann insbesondere für jeden derartigen koaxialen Ausgang eine separate Schalteinrichtung mit einem zugeordneten separaten Abschlusswiderstand vorgesehen sein.If, for example, a plurality of inputs and / or outputs are provided, then the solution according to the invention with the relevant switching device can also be provided separately for two or more of these outputs or even for all these outputs, so that it can be determined separately for each output corresponding cable is connected. If this output is provided for connecting a coaxial cable, a separate switching device with an associated separate terminating resistor can be provided in particular for each such coaxial output.
Grundsätzlich kann die Schalteinrichtung auch anders ausgebildet sein, nämlich nicht als axial verschiebbarer Betätigungsstift sondern als Verschwenkhebel, der durch ein eingelegtes und angeschlossenes Kabel entsprechend verstellt wird etc.Basically, the switching device can also be designed differently, namely not as an axially displaceable actuating pin but as a pivoting lever, which is adjusted accordingly by an inserted and connected cable, etc.
Würde in diesem Fall ein Ausgangskabel 6 in die Ausgangs-Schalt-Einrichtung 3 eingelegt werden, würde der erwähnte Verschwenkhebel entsprechend verschwenkt werden, worüber dann ebenso wie bei den anderen Ausführungsbeispielen für den axial verstellbaren Stift entsprechende Schaltkontakte betätigt werden könnten, die ein Detektieren ermöglichen, ob ein Ausgangskabel angeschlossen ist. Im Falle eines koaxialen Ausgangskabels kann auch hierüber wieder ein entsprechender Abschlusswiderstand abgeschaltet werden.If in this case an output cable 6 are inserted into the
Die Umschaltung kann aber auch so ausgestaltet sein, dass in Abhängigkeit von der Auslenkung des Betätigungs- oder Schaltstifts 125 beispielsweise mehr als zwei Schaltstellungen realisierbar sind. Mit anderen Worten soll nicht nur eine Schaltstellung "nicht angeschlossen" detektiert werden, wenn ein koaxiales Ausgangskabel 6 nicht angeschlossen ist, sondern beispielsweise auch zwei weitere Schaltstellungen detektierbar sein, bei denen beispielsweise nicht nur detektierbar ist, dass ein koaxiales Ausgangskabel 6 angeschlossen ist, sondern ob beispielsweise ein koaxiales Ausgangskabel mit "größerem Durchmesser" oder mit demgegenüber "kleineren Durchmesser" angeschlossen ist.The switching can also be designed so that, depending on the deflection of the actuating or switching
Dies ist schematisch anhand von
Schließlich wäre auch denkbar, insbesondere beim Anschluss eines abgesetzten Koaxialkabelendes, dass ein in Axialrichtung auf das Koaxialkabelende vorstehender Betätigungsstift 125 beispielsweise durch das stirnseitige Ende des zwischen Innen- und Außenleiter des Koaxialkabels vorgesehenen Dielektrikums 14 beim Einsetzen eines Kabels im Kabelbett axial verstellt wird. Schließlich könnte auch ein hier vorstehender Hebel bei Anlage an dem stirnseitigen freiliegenden Ende des abgesetzten Koaxialkabelende verschwenkt werden. Beliebige Abwandlungen sind auch insoweit möglich.Finally, it would also be conceivable, in particular when connecting a remote coaxial cable end, that an
Es ist bereits erwähnt worden, dass es sich vor allem im Falle von Koaxialkabeln als günstig erweist, wenn der Abschlusswiderstand 27 und ein eventuell in Reihe geschalteter Kondensator 29 zur galvanischen Trennung auf der erwähnten Leiterplatine 46 mit angeordnet sind. Alternativ kann der Abschlusswiderstand ein bedrahtetes Bauelement sein, welches entweder im Schaltungsraum 44 der Multimedia-Dose oder auch im Kabelanschlussraum untergebracht ist.It has already been mentioned that it proves to be favorable, especially in the case of coaxial cables, when the terminating
Die Unterbringung des Abschlusswiderstandes auf der Leiterplatine 46 ist dann besonders vorteilhaft, wenn auch die erwähnte kapazitive Trennung in Form eines Kondensators 29 mit vorgesehen oder sogar erforderlich ist, da in diesem Fall die hierfür benötigten Widerstände und Kondensatoren kostengünstig auch mit weiteren Bauteilen auf der Leiterplatine platziert und angelötet werden können.The placement of the terminating resistor on the printed
Soll nur der Anschluss des Ausgangskabels detektiert werden, so ist ein besonders einfacher Aufbau auch unter Weglassung der Feder 26 möglich. Denn in diesem Fall kann eine Auslöseeinrichtung 1125a mit einem fest eingebauten Schaltstift 125 vorgesehen sein, nämlich dann, wenn der Schaltstift 125 aus einem elektrisch leitfähigen Material gefertigt oder zumindest mit einem elektrisch leitfähigen Material überzogen und dabei gegenüber der Bodenplatte 41 elektrisch isoliert (galvanisch getrennt) im Bereich des Außenleiters eines anzuschließenden Koaxialkabels montiert und dabei elektrisch leitend mit der Leiterplatte 46 verbunden ist. Dies ist anhand der ausschnittsweisen Darstellung gemäß
Mit anderen Worten ist der erläuterte Schaltstift 125, der insoweit auch als elektrisch leitfähiger Auslösestift 125' bezeichnet wird, umbeweglich und elektrisch isoliert zur Bodenplatte 41 im Bereich des Ausgangskabel-Außenleiters 15 eingebaut und dabei elektrisch mit einer entsprechenden Anschlussstelle auf der Leiterplatte 46 verbunden. Das Vorhandensein eines angeschlossenen Ausgangskabels 6 kann dann über die schaltungstechnische Erfassung beispielsweise eines elektrisches Widerstandes zwischen Außenleiter 15 eines angeschlossenen Ausgangskabels 6 über den Schalt- oder Auslösestift 125, 125' zur Leiterplatte 46 detektiert werden. Der eine galvanische Verbindung zwischen dem Außenleiter 19 eines angeschlossenen Ausgangskabels 6 und der Leiterplatine herstellende Schalt- oder Auslösestift 125, 125' ist somit also Teil einer so konzipierten Auslöseeinrichtung 1125a.In other words, the illustrated
In den Ausführungsbeispielen gemäß
Eine Umschaltung von End- auf Durchgangsbetrieb und umgekehrt wäre in Abweichung zu den erläuterten Ausführungsbeispielen grundsätzlich auch dann und dadurch möglich, wenn eine Schalteinrichtung 25 in der Multimedia-Dose mit vorgesehen ist, die allerdings nicht beim Anschluss eines Ausgangskabels zwangsweise betätigt wird, sondern die an anderer Stelle untergebracht ist und beispielsweise von außen her separat betätigbar ist, nämlich beispielsweise durch einen von außen zugänglichen Umschalter, Taster, Schiebeschalter, Drehschalter oder durch Verwendung einer Kodierung auf der Ausgangskabel-Klemmeinrichtung etc. In all diesen Fällen wäre jedoch eine Fehlbedienung nicht ausgeschlossen, da der Umschalter betätigt oder nicht betätigt werden könnte, unabhängig davon, ob tatsächlich ein Ausgangskabel angeschlossen ist oder nicht. Gegenüber diesen Möglichkeiten bietet die erfindungsgemäße Lösung deutliche Vorteile.A changeover from end to run mode and vice versa would be in deviation from the illustrated embodiments in principle and then possible, if a
Claims (17)
- Multimedia outlet comprising the following features:- at least one input connection device (2) for connecting an input cable (4),- at least one output connection device (3) for connecting an output cable (6),- a cable connection compartment (31), which is shielded from electromagnetic radiation, and a switching compartment (44), the cable connection compartment (31) being isolated from the switching compartment (44) by means of a base plate (41),- cable bedding (33) being provided in the cable connection compartment (31) for connecting an input cable (4) and for connecting an output cable (6),characterised by the following additional features:- the multimedia outlet comprises a switching device (25) which is located in the switching compartment (44),- the switching device (25) is switched into one switching position thereof when the output connection device (3) for an output cable (6) is unoccupied,- the switching device (25) is switched into the other switching position thereof when the output cable (6) is connected to the output connection device (3),- an opening or recess (41 a, 141 a) is provided in the base plate (41),- the switching device (25) comprisesa) an actuation device (125) comprising an actuation or tripping portion (125d) which protrudes through the opening (41 a) and projects as far as the region of the output connection device (3),
orb) a tripping device (1125b), which comprises or includes an inductively, capacitively, optically or magnetically functioning proximity switch (1125) for detecting a connected output cable (6), which switch is arranged in the region of the recess (141a). - Multimedia outlet according to claim 1, characterised in that, when the output cable (6) is not connected, the switching device (25) is switched to the output circuit thereof, in which a transmission path (19a) coming from the input connection device (2) is connected to earth and/or the external conductor (15) of the input cable (4) by means of a terminator (27) or a capacitor (29) connected in series to a terminator (27).
- Multimedia outlet according to either claim 1 or claim 2, characterised in that, when the output cable (6) is connected in the output connection device (3), the switching device (25) is switched into the second switching position thereof, in which a terminator (27) is disconnected from the transmission path (19a).
- Multimedia outlet according to any of claims 1 to 3, characterised in that the actuation device (125) is a trigger device (125a) comprising an electrically conductive actuating bolt (125) or release pin (125') which is electrically (galvanically) connected to a connection point on a circuit board (46), the trigger portion (125d) of which bolt or pin is contacted by the external conductor (15) of a coaxial output cable (6) when said cable is connected.
- Multimedia outlet according to claim 4, characterised in that the electrically conductive actuating bolt (125) or release pin (125') is mounted so as to be stationary and electrically insulated from the base plate (41) in the region of the external conductor (15) of a connected output cable (6) and is connected to the circuit board (46) or a contact located thereon, via which, in the event of a connected output cable (6), in contrast to an unoccupied output connection device (3), a different electrical resistance can be detected by the circuit.
- Multimedia outlet according to any of claims 1 to 3, characterised in that the proximity switch (1125) is electrically connected to the circuit board (46) by means of a release pin (125) or a release line.
- Multimedia outlet according to any of claims 1 to 3, characterised in that the actuation device (125) is arranged so as to be axially displaceable and can be axially displaced by connecting the end of an output cable (6), the actuation device (125) being adjustable, when an output cable (6) is attached, from the starting position thereof into the at least one switching position thereof, which differs therefrom, or being adjustable against the force of a spring device (26).
- Multimedia outlet according to any of claims 1 to 3, characterised in that the actuation device (125) is pivotally arranged and/or held about a shaft (126).
- Multimedia outlet according to claim 8, characterised in that it is possible to detect a different pivoting position of the actuation device (125).
- Multimedia outlet according to any of claims 1 to 9, characterised in that the switching device (25) comprises an on/off switch.
- Multimedia outlet according to any of claims 1 to 9, characterised in that the switching device (25) comprises a changeover switch.
- Multimedia outlet according to any of claims 6 to 9, characterised in that the multimedia outlet comprises a housing (1) and a circuit board (46) provided inside the housing (1), and in that it comprises on the circuit board (46) a detection circuit for detecting and/or evaluating the switching position of the switching device (25), the switching device (25) allowing at least two switching positions, specifically a switching position in which the switching device (25) is closed, and another switching position in which the switching device (25) is open or disconnected.
- Multimedia outlet according to any of claims 6 to 10, characterised in that the base plate (41), which isolates the cable connection compartment (31) from the switching compartment (44), is electrically conductive or shielding.
- Multimedia outlet according to any of claims 1 to 13, characterised in that the actuating device (125) of the switching device (25) is in the form of a pin, and is guided in this case axially displaceably through the hole (41 a) in the base plate (41) and through another hole (46a), aligned therewith, in the circuit board (46), the spring device (26) being provided in the spacing compartment between the base plate (41) and the circuit board (46), and the actuation device (125) cooperating with an electrical contacting device having an opening and closing function.
- Multimedia outlet according to any of claims 6 to 14, characterised in that the multimedia outlet comprises at least two or more output connection devices (3), a separate switching device (25) being assigned to at least two, a plurality of, or all of the output connection devices (3).
- Multimedia outlet according to claim 15, characterised in that a separate terminator (27), or a separate terminator having a capacitor (29) connected in series, is assigned to each of the switching devices (25) provided.
- Multimedia outlet according to any of claims 1 to 16, characterised in that the switching device (25) has at least three switching positions, specifically a switching position when an output connection device (3) is unoccupied, and two further switching positions which, when an output connection device (3) is occupied, are dependent on different geometric properties of a connectable output cable (6) or dependent on different encoding devices attached to an output cable (6).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010055963A DE102010055963B4 (en) | 2010-12-23 | 2010-12-23 | Multimedia box |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2469666A2 EP2469666A2 (en) | 2012-06-27 |
EP2469666A3 EP2469666A3 (en) | 2014-03-05 |
EP2469666B1 true EP2469666B1 (en) | 2015-09-30 |
Family
ID=45218172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11009329.1A Active EP2469666B1 (en) | 2010-12-23 | 2011-11-24 | Multimedia container |
Country Status (2)
Country | Link |
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EP (1) | EP2469666B1 (en) |
DE (1) | DE102010055963B4 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012019452A1 (en) * | 2012-10-04 | 2014-04-10 | Kathrein-Werke Kg | Multimedia box |
DE102013002473A1 (en) * | 2013-02-14 | 2014-08-14 | Kathrein-Werke Kg | Multimedia box |
WO2016049857A1 (en) * | 2014-09-30 | 2016-04-07 | 华为技术有限公司 | Antenna and mobile terminal |
PL3174167T3 (en) * | 2015-11-30 | 2021-09-06 | Teleste Oyj | Coaxial cable extender |
DE102018103733B3 (en) | 2018-02-20 | 2019-06-27 | Ifm Electronic Gmbh | Fiber optic connection and its use in an optical fiber amplifier |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1164521B (en) * | 1961-08-22 | 1964-03-05 | Anton Kathrein Aelteste Spezia | Antenna socket |
DE8125222U1 (en) * | 1981-08-29 | 1981-12-03 | Adolf Strobel Antennenfabrik GmbH & Co KG, 5060 Bergisch Gladbach | Antenna socket |
DE3341356A1 (en) * | 1983-11-15 | 1985-05-23 | Kathrein-Werke Kg, 8200 Rosenheim | Coaxial-cable connecting device |
US4971569A (en) * | 1989-06-21 | 1990-11-20 | Apple Computer, Inc. | Self-terminating coaxial tap connector |
DE9000935U1 (en) * | 1990-01-29 | 1990-07-19 | "Telegaertner" Karl Gaertner, 7049 Steinenbronn, De | |
DE9003258U1 (en) * | 1990-03-20 | 1990-05-23 | Pvt Praezisions-Verbindungstechnik Und Steuerungsbau Gmbh, 7031 Steinenbronn, De | |
DE9113236U1 (en) * | 1991-10-24 | 1991-12-12 | Christian Schwaiger Kg, 8506 Langenzenn, De | |
US5278570A (en) * | 1992-09-08 | 1994-01-11 | Motorola, Inc. | Combined coaxial connector and radio frequency switch assembly |
DE4327986C2 (en) * | 1993-08-20 | 1997-03-06 | Schwaiger Kg Christian | Coaxial connector |
US5702261A (en) * | 1996-04-10 | 1997-12-30 | Insert Enterprise Co., Ltd. | Auto-termination network cable connector |
GB2336480A (en) * | 1998-01-29 | 1999-10-20 | Whitaker Corp | Coaxial switching connector |
DE19829653C2 (en) * | 1998-07-02 | 2000-08-31 | Kathrein Werke Kg | Antenna socket |
DE19938074C2 (en) * | 1999-08-12 | 2002-09-26 | Kathrein Werke Kg | Modular antenna socket |
US6281783B1 (en) * | 2000-01-13 | 2001-08-28 | Signal Catv System, Inc. | Auto resistance matching means for distribution boxes |
DE10107100A1 (en) * | 2001-02-13 | 2002-12-05 | Profichip Gmbh | Plug device with integrated diagnosis and evaluation circuit and switchable terminating resistor |
-
2010
- 2010-12-23 DE DE102010055963A patent/DE102010055963B4/en not_active Expired - Fee Related
-
2011
- 2011-11-24 EP EP11009329.1A patent/EP2469666B1/en active Active
Also Published As
Publication number | Publication date |
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DE102010055963B4 (en) | 2012-11-29 |
EP2469666A2 (en) | 2012-06-27 |
EP2469666A3 (en) | 2014-03-05 |
DE102010055963A1 (en) | 2012-06-28 |
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