EP3020102A1 - Use of a cable for the transmission of audio signals - Google Patents
Use of a cable for the transmission of audio signalsInfo
- Publication number
- EP3020102A1 EP3020102A1 EP14742453.5A EP14742453A EP3020102A1 EP 3020102 A1 EP3020102 A1 EP 3020102A1 EP 14742453 A EP14742453 A EP 14742453A EP 3020102 A1 EP3020102 A1 EP 3020102A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cable
- conductors
- sub
- connector
- use according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 title claims description 41
- 239000004020 conductor Substances 0.000 claims abstract description 135
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 47
- 229910052802 copper Inorganic materials 0.000 claims description 41
- 239000010949 copper Substances 0.000 claims description 41
- 238000009413 insulation Methods 0.000 claims description 21
- 230000008054 signal transmission Effects 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000012811 non-conductive material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 description 10
- 241000234295 Musa Species 0.000 description 6
- 235000018290 Musa x paradisiaca Nutrition 0.000 description 6
- 230000008901 benefit Effects 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/12—Arrangements for exhibiting specific transmission characteristics
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6581—Shield structure
Definitions
- the invention relates to a cable and the use of such a cable for the transmission of audio signals, in particular of analog audio signals, the cable comprising: at least two conductors, a first connector at a first end of the cable for connecting the cable to a first device and a second connector at a second end of the cable for connecting the cable to a second device.
- the invention further relates to the use of a cable for the transmission of sound signals, the cable comprising: at least one conductor, at least one shield which shields the at least one conductor, at least one insulated ground connection, a first connection piece at a first end of the cable to Connecting the cable to a first device and a second connector at a second end of the cable for connecting the cable to a second device.
- u. a. analog audio signals transmitted by means of electrical signals are u. a.
- Low-frequency (LF) cables are used, for example, to connect playback devices ("sound sources") and amplifiers, as well as sound-influencing devices, and speaker cables that connect, for example, amplifiers to loudspeakers.
- Other cables with electrical conductors are used - as an alternative to fiber optics - for the transmission of digital audio signals.
- the cables used for the transmission of audio signals, in particular of analog audio signals, are of great importance for the sound quality. Using cables with an improper structure or too small cross section will seriously affect the sound quality.
- shielded cables are used for the transmission of analog audio signals, which comprise a plurality of insulated strands which are surrounded by a shield.
- the strands are each conductively connected to contacts of both connecting pieces (eg plugs or sockets).
- the shield is conductively connected to the ground contact of at least one of the connecting pieces.
- the object of the invention is to provide cables for the transmission of audio signals, in particular of analog audio signals, which have a comparatively simple structure and enable a good sound quality.
- the solution of the problem is defined by the features of claim 1.
- at least one of the conductors is connected neither to the first connecting piece nor to the second connecting piece in a conductive manner. This means that even if the cable is completely connected, this at least one conductor is not connected either to the first device connected to the cable or to the second device connected to the cable (dummy conductor).
- connection is understood in the context of the present embodiments in each case the entirety of the connector, which has a cable at one of its ends. It may be a single or multi-pole plug or a single or multi-pole socket but also multiple plugs or sockets or other elements that allow the conductor of the cable to contact the outside from the outside.
- the cable may have differently connected and / or formed connecting pieces at its two ends. In the simplest case, the connecting pieces can also be simply formed by bare wire or stranded ends or wire or stranded ends which are tinned or provided with another metal layer.
- the invention proposes a novel circuit structure.
- the cable comprises at least three conductors, wherein at least two of the conductors are not conductively connected to the first connection piece or conductively connected to the second connection piece. It has been found that the presence of several unconnected conductors can lead to a further improvement of the transmission quality.
- the cable has at least four conductors, wherein at least two of the at least four conductors provide two connections between the first connector and the second connector (eg, "plus” and "minus” in an asymmetrical connection). In addition, at least two further of the at least four conductors are neither conductively connected to the first connection piece nor conductively connected to the second connection piece.
- the at least four conductors are now arranged without crossover in the cable and the at least two connection-creating conductors are separated from each other by at least one of the unconnected conductors.
- Cross free means that the relative arrangement of the at least four conductors in the cable cross section does not change over the entire cable length. So it is a helical rotation of the conductor package possible, but not a change in the relative arrangement, d. H. z. B. the order of the ladder in a given direction of rotation. It has been found that the arrangement of the unconnected conductors between the connected conductors benefits the transmission quality.
- the at least two conductors are insulated individually. This ensures that the conductors in the cable are completely isolated from each other. If required, in this case, connections can be present between several of the at least two conductors in the region of one or both connection pieces or on the device side. Instead of separate insulation of the at least two conductors, the conductors may also be embedded, for example, in an insulating medium, or one of the conductors is completely insulated, while the other is guided without isolation adjacent to the insulated conductor.
- the cable is a cable for symmetrical signal transmission.
- the symmetrical transmission of sound signals z.
- a cable which can be used according to the invention for the symmetrical signal transmission now comprises at least two signal conductors, at least one ground conductor and at least one conductor, which is connected neither conductively to the first connection piece nor conductively to the second connection piece.
- the two signal conductors carry the signal and a reference signal of opposite polarity.
- a cable which can be used according to the invention for symmetrical signal transmission preferably comprises at least two signal conductors, at least one ground conductor and at least three conductors which are neither conductively connected to the first connection piece nor conductively connected to the second connection piece.
- the two signal conductors transport the signal and a reference signal of opposite polarity.
- the signal conductors, the ground conductor and the three unconnected conductors are all twisted together, d. H. stranded together.
- all conductors are advantageously arranged without crossover in the cable, and the at least two signal conductors and the ground conductor are separated from each other by at least one of the unconnected conductors.
- the cable comprises a core of non-conductive material and conductors contacting this core.
- the core allows a defined arrangement of the conductors surrounding it and ensures that conductors that are not adjacent to the circumference and separated only by the intervening insulation maintain a certain minimum distance.
- the core may be made of plastic, for. As PVC, PU or PE, or even made of natural fibers (eg., Wool or silk).
- the core can also be formed by a conductive material, in particular by a blind conductor, so a conductor which is conductively connected even when fully connected cable with neither the first device connected to the cable, nor with the second device connected to the cable.
- the cable comprises a shield.
- the shielding shields at least two conductors in the cable according to the invention. These are, for example, at least one dummy conductor and at least one signal conductor.
- the shield is conductively connected at least to the first connector or to the second connector.
- the shield is on the source side, d. H. in the direction of the sound source, conductively connected to the corresponding connector, but not with the remote from the source connector.
- the shield is conductively connected to neither the first nor the second connector.
- At least the first connection piece or the second connection piece comprises a plug which is pressed onto at least one of the conductors. It has been found that with a pressed-on connector, better results can be achieved with regard to the transmission quality than with a soldered connector, because direct contact between conductor and connector is created.
- the plug is made of copper and gold plated, silver plated or rhodium plated. Alternatively, the plug is made of solid silver or gold.
- the conductors can also be connected to the corresponding contacts of the first and of the second connection piece, for example, by means of a solder connection.
- at least one of the conductors is formed by an insulated copper strand.
- all conductors are formed by insulated copper strands. Due to the skin effect, the use of strands to transfer alternating signals results in a higher effective conducting cross-section than in the use of wires of the same overall cross-section.
- Strands can also be used to make flexible and durable cables. Transmission quality can be optimized by using high-quality oxygen-free copper (OFC). However, contrary to prevailing opinion, this is not mandatory. Even when using commercially available copper, as it is z. B. for cables to conduct electricity is used in the household network, resulting in the inventive use already very good transmission values.
- OFC oxygen-free copper
- the ladder other materials such. As silver can be used.
- the blind conductor d. H.
- a first of the at least two conductors as a wire and a second of the at least two conductors is designed as a strand.
- conductors are used, which are provided directly with an insulation. They are easy to process (strand) and ensure that no short circuits occur.
- the conductors are embedded, for example, in a common insulation medium or spatially separated from each other by special spacers.
- the conductor which is neither conductively connected to the first connection piece nor conductively connected to the second connection piece is interrupted at at least one location along its length. It has been shown that this - depending on the application - a further improvement of the transmission quality can be achieved.
- the interruption does not have to be at the same point in the cable.
- the cable comprises a first sub-cable and a second sub-cable, both of which are received by a common enclosure.
- the first sub-cable and the second sub-cable each comprise at least two conductors, wherein at least one of the two conductors is not conductively connected to the first connector nor conductively connected to the second connector.
- Each sub-cable thus includes at least one blind conductor.
- the first sub-cable and the second sub-cable each have their own shielding, which shields the at least two conductors of the respective sub-cable. The mutual influence of the two sub-cables is thereby minimized.
- first sub-cable and the second sub-cable are twisted together. This results in particular improved mechanical properties of the constructed of two sub-cable cable.
- the two sub-cables are in particular so connected to the first and the second connector that a first polarity (eg the actual audio signal) exclusively through the first sub-cable and a second polarity (eg the ground) exclusively through the second sub-cable be guided.
- a first polarity eg the actual audio signal
- a second polarity eg the ground
- a cable which comprises the following: a) at least one conductor; b) at least one shield which shields the at least one conductor;
- the shield is conductively connected at most with one of the two connecting pieces; and g) the ground connection is guided outside the shield.
- the ground connection thus does not take place via the shielding of the shielded cables, but via the ground connection running outside the shielding.
- This configuration is particularly suitable for LF device cables.
- the shield When connecting a signal source to an amplifier, the shield is preferably connected to the signal source but not to the amplifier. It has been shown that the transmission quality for audio signals can be significantly increased even by these measures.
- the ground connection is guided in an insulation of the cable.
- the cable appears as a unit, but in functional terms, it is actually two cables, namely the shielded signal cable and the parallel running ground cable, which runs outside the shielding of the signal cable.
- the common insulation has the additional task to guide the two cables at a certain distance and to simplify handling.
- ground connection is a completely separate cable, which is performed at its ends together with the signal cable (which includes the at least one conductor) in the corresponding fittings.
- an adapter cable can be used.
- This comprises a first intermediate piece, which can be connected to a first device and to which a first connection piece of a cable can be connected; a second intermediate piece, which can be connected to a second device and to which a second connecting piece of the cable can be connected; - An isolated ground connection, which connects a ground contact of the first intermediate piece with a ground contact of the second intermediate piece; wherein at least one of the intermediate pieces is designed such that it does not create a ground connection between the corresponding device and the cable even when it is inserted cable and plugged in spacer.
- the ground connection is interrupted, but carried out at the other intermediate piece.
- the intermediate piece with an interrupted earth connection is then inserted with advantage on signal remote from the device.
- a conventional (and possibly already existing), in particular shielded, cable can be used, which continues to serve as a signal conductor.
- FIG. 1 a first embodiment of a cable suitable for the transmission of sound signals according to the invention
- FIG. 2 shows a second embodiment of a cable according to the invention for the transmission of audio signals
- FIG. 3 shows a third embodiment of a suitable for the inventive transmission of sound signals cable combination
- FIG. 4 shows a fourth embodiment of a cable according to the invention for transmitting sound signals
- 5 shows a fifth embodiment of a cable according to the invention for transmitting audio signals
- 6 shows a sixth embodiment of a cable according to the invention for the transmission of sound signals.
- FIG. 1 shows a cross section through a first embodiment of a cable suitable for the transmission of sound signals according to the invention.
- the cable 10 is particularly suitable for asymmetrical transmission of audio signals. It comprises a core 11 made of an insulating plastic material and four insulated copper strands 12.1, 12.2, 12.3, 12.4 surrounding the core. Their cross section is 6 mm 2 each.
- the strands are stranded with the core, ie they run crossover-free along a helical line around the core.
- the strands and the core are together surrounded by a shield 13, which is a braid of suitable metal, for. B. tinned copper wire is formed.
- the shield 13 may also comprise a film.
- the entire cable 10 is outside of a suitable insulation 14 of z. B. plastic such as PVC, PU or PE, which forms the cable sheath.
- One of two mutually diagonally opposite copper strands 12.1, 12.3 is to the positive terminals, the other to the negative terminals of the connector (eg RCA plug) or to separate connector (eg., "Banana plug") for the plus and connected to the negative terminal.
- the other, mutually opposite copper strands 12.2, 12.4, which are arranged between the connected conductors are not connected to plugs, but end especially where the insulation 14 ends.
- the shield 13 is connected at one end of the cable or at both ends of the cable to the ground terminal of the respective connector.
- the plugs have contact and connecting parts made of gold-plated (or otherwise refined) copper and are pressed onto the stripped copper strands 12.1, 12.3 (forged).
- FIG. 2 shows a cross section through a second embodiment of a cable suitable for the transmission of sound signals according to the invention.
- the cable 20 is particularly suitable for symmetrical transmission of audio signals. It includes a core 21 of an insulating plastic material and seven surrounding the core insulated copper strands 22.1 ... 22.7 with a cross section of 1.5 mm 2 .
- the strands are stranded with the core, ie they run crossover-free along a helical line around the core.
- the strands and the core are together surrounded by a shell 25, this in turn of a shield 23 which is formed as a braid of tinned copper wire. Alternatively or additionally, the shield 23 may also comprise a foil.
- the entire cable 20 is outside of an insulation 24 of z. B. plastic such as PVC, PU or PE, which forms the cable sheath.
- Three mutually non-adjacent copper strands 22.1, 22.3 and 22.5 are each either to the positive poles, the negative poles or the ground poles of the connector (eg XLR connector) or to separate connector (eg "banana plug") for the three Pole connected.
- the other, copper strands 22.2, 22.4, 22.6, 22.7, which are arranged between the connected conductors are not connected to plugs, but end especially where the insulation 24 ends.
- the shield 23 is connected to a cable end or at both ends of the cable to the ground terminal of the respective connector.
- the plugs have contact and connecting parts made of gold-plated (or otherwise refined) copper and are pressed onto the stripped copper strands 22.1, 22.3, 22.5 (forged).
- FIG. 3 shows a cross section through a third embodiment of a cable combination suitable for the transmission of sound signals according to the invention.
- the combination is particularly suitable for the asymmetric transmission of audio signals. It comprises a signal cable 30 with a core 31 made of an insulating plastic material and four insulated copper strands 32.1, 32.2, 32.3, 32.4 surrounding the core.
- the strands are stranded with the core, d. H. they run crossover-free along a helical line around the core.
- the strands and the core are together surrounded by a shield 33, which is formed as a braid of tinned copper wire. Alternatively or additionally, the shield 33 may also comprise a film.
- the entire signal cable 30 is outside of an insulation 34 made of plastic, z. As PVC, PU or PE, surrounded, which forms the cable sheath.
- Two mutually diagonally opposite copper strands 32.1, 32.3 are connected in common to the positive pole of the connecting plug (eg cinch plug) or to a separate plug (eg "banana plug") for the positive pole.
- the other, mutually opposite copper strands 32.2, 32.4, which are arranged between the connected conductors are not connected to plugs, but end especially where the insulation 34 ends.
- the shield 33 is connected at one end of the cable to the ground terminal of the respective connector, but not at the other end of the cable.
- that end of the cable with connected shield signal source side is inserted.
- the plugs have contact and connecting parts made of gold-plated copper and are pressed onto the stripped copper strands 32.1, 32.3 (forged).
- the cable combination additionally has a ground cable 36 which is constructed from a copper strand 37 and an insulation 38 surrounding it.
- the cross section of the copper strand 37 corresponds approximately to the sum of the cross sections of the copper strands 32.1, 32.3.
- the ground cable 36 is guided separately from the signal cable 30 and connected at both ends to the ground terminal of the respective plug or with a separate ground plug.
- FIG. 4 shows a cross section through a fourth embodiment of a cable suitable for the transmission of sound signals according to the invention.
- the cable 40 is particularly suitable for asymmetric transmission of audio signals. It comprises a core 41 made of an insulating plastic material and four insulated copper strands 42.1, 42.2, 42.3, 42.4 surrounding the core. The strands are stranded with the core, d. H.
- the strands and the core are together surrounded by a shield 43, which is formed as a braid of tinned copper wire. Alternatively or additionally, the shield 43 may also comprise a foil.
- the shielded strands 42.1 ... 4 are in an insulation 44 of z. B. plastic such as PVC, PU or PE added, which forms the cable sheath. Further included in the insulation 44 is a ground conductor 47 which is disposed outside the shield 43 of the copper strands 42.1 ... 4.
- Two mutually diagonally opposite copper strands 42.1, 42.3 are connected together to the positive pole of the connecting plug (eg RCA plug) or to a separate plug (eg "banana plug") for the positive pole.
- the other, mutually opposite copper strands 42.2, 42.4, which between the connected conductors are arranged, are not connected to plugs, but end especially where the insulation 44 ends.
- the shield 43 is connected at one end of the cable to the ground terminal of the respective connector, but not at the other end of the cable.
- that end of the cable with connected shield signal source side is inserted.
- the plugs have contact and connecting parts made of gold-plated (or otherwise refined) copper and are pressed onto the stripped copper strands 42.1, 42.3 (forged).
- FIG. 5 shows a cross section through a fifth embodiment of a cable suitable for the transmission of sound signals according to the invention. It corresponds in many ways to the fourth embodiment. Also, this cable 50 is particularly suitable for the asymmetric transmission of audio signals. It comprises a core 51 made of an insulating plastic material and four insulated copper strands 52.1, 52.2, 52.3, 52.4 surrounding the core. The strands are stranded with the core, d. H. they run crossover-free along a helical line around the core. The strands and the core are together surrounded by a shield 53, which is formed as a braid of tinned copper wire.
- the shield 53 may also comprise a foil.
- the shielded strands 52.1 ... 4 are in an isolation 54 of z. B. plastic such as PVC, PU or PE added, which forms the cable sheath. Further included in the insulation 54 are two ground conductors 57.1, 57.2, which are arranged opposite each other outside the shield 53 of the copper strands 52.1 ... 4.
- Two mutually diagonally opposite copper strands 52.1, 52.3 are connected together to the positive terminal of the connecting plug (eg RCA plug) or to a separate plug (eg "banana plug") for the positive pole.
- the other, mutually opposite copper strands 52.2, 52.4, which are arranged between the connected conductors are not connected to plugs, but end especially where the insulation 54 ends.
- the shield 53 is connected at one end of the cable to the ground terminal of the respective connector, but not at the other end of the cable. With Advantage is the cable end with connected shield signal source side plugged.
- the plugs have contact and connecting parts made of gold-plated (or otherwise refined) copper and are pressed onto the stripped copper strands 52.1, 52.3 (forged).
- the ground conductors 57.1, 57.2 are connected at both ends to the ground terminal of the respective plug or to a separate earth plug.
- FIG. 6 shows a sixth embodiment of a cable suitable for the transmission of sound signals according to the invention.
- the cable 60 is particularly suitable for driving loudspeakers and connects, for example, a (final) amplifier to a loudspeaker. It comprises two parallel partial cables 60a, 60b.
- Each of the sub-cables contains seven copper strands 62.1a ... 62.7a; 62.1 b ... 62.7b with a cross section of 4.0 mm 2 each (other cross sections, in particular in the range 0.5 - 6.0 mm 2 are also conceivable).
- the strands are surrounded by a shell 65, this in turn of a shield 63 which is formed as a braid of tinned copper wire. Alternatively or additionally, the shield 63 may also comprise a foil.
- Each sub-cable 60a, 60b is externally of an insulation 64a, 64b of z. B. plastic such as PVC, PU or PE surrounded, which forms the cable part jacket.
- the two sub-cables 60a, 60b are twisted together and surrounded by a braid 66 together.
- Two diametrically opposite copper strands 62.2a, 62.5a; 62.2b, 62.5b of each sub-cable 60a, 60b are connected together with the positive pole (sub-cable 60a) or with the negative pole (sub-cable 60b) of suitable plug (eg "banana plug”).
- the further copper strands 62.1 a, 62.3a, 62.4a, 62.6a, 62.7a; 62.1 b, 62.3b, 62.4b, 62.6b, 62.7b, which are arranged between the connected conductors, are not connected to plugs, but terminate especially where the insulation 64a, 64b ends.
- the shield 63 is also not connected to the plugs.
- the plugs have contact and connecting parts made of gold-plated (or otherwise refined) copper and are on the stripped copper strands 62.2a, 62.5a; 62.2b, 62.5b pressed on (forged).
- the invention is not limited to the illustrated embodiments.
- a ground conductor that is electrically and / or physically disconnected from the signal cable can also be used in the case of symmetrical signal transmission.
- the number of conductors and their cross sections and the materials used can be in the context of the invention readily adapt to the application, namely to the currents to be transmitted and the cable length.
- the attachment and contacting of the cable to the connectors or plugs can also in different ways, eg. B. by pressing or forging, soldering, etc ..
- the invention provides cables for the transmission of audio signals, in particular analog audio signals, which have a comparatively simple structure and enable a good sound quality.
Landscapes
- Communication Cables (AREA)
- Insulated Conductors (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01244/13A CH708283A1 (en) | 2013-07-11 | 2013-07-11 | Using a cable for the transmission of sound signals. |
PCT/CH2014/000100 WO2015003282A1 (en) | 2013-07-11 | 2014-07-10 | Use of a cable for the transmission of audio signals |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3020102A1 true EP3020102A1 (en) | 2016-05-18 |
EP3020102B1 EP3020102B1 (en) | 2021-09-29 |
Family
ID=51224643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14742453.5A Active EP3020102B1 (en) | 2013-07-11 | 2014-07-10 | Use of a cable for the transmission of audio signals |
Country Status (6)
Country | Link |
---|---|
US (1) | US20160172079A1 (en) |
EP (1) | EP3020102B1 (en) |
JP (1) | JP2016528679A (en) |
CN (1) | CN105612669A (en) |
CH (1) | CH708283A1 (en) |
WO (1) | WO2015003282A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US10637196B2 (en) | 2015-11-11 | 2020-04-28 | Bel Fuse (Macao Commercial Offshore) Limited | Modular jack contact assembly having controlled capacitive coupling positioned within a jack housing |
US10504647B2 (en) * | 2017-04-03 | 2019-12-10 | Bel Fuse (Macao Commercial Off | Magnetic transformer having increased bandwidth for high speed data communications |
US10530106B2 (en) | 2018-01-31 | 2020-01-07 | Bel Fuse (Macao Commercial Offshore) Limited | Modular plug connector with multilayer PCB for very high speed applications |
JP2020202058A (en) * | 2019-06-07 | 2020-12-17 | 有限会社フリーザトーン | cable |
CH718045B1 (en) * | 2020-11-11 | 2023-08-15 | Pia Linda Rohrer | Cables for the transmission of sound signals. |
DE102021201644A1 (en) * | 2021-02-22 | 2022-08-25 | Valeo Siemens Eautomotive Germany Gmbh | Cable connection with improved electromagnetic shielding |
DE202021106151U1 (en) | 2021-11-10 | 2021-11-26 | Christian Rohrer | Cable for the transmission of audio signals |
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US20120076342A1 (en) * | 2010-09-28 | 2012-03-29 | Douglas Weber | Cables with intertwined strain relief and bifurcation structures |
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DE585870C (en) * | 1927-06-09 | 1933-10-13 | Otto Paetsch | Expandable and compressible multi-conductor power cable |
CA996645A (en) * | 1974-05-03 | 1976-09-07 | Canada Wire And Cable Limited | Power cable having an extensible ground check conductor |
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US5880402A (en) * | 1996-07-22 | 1999-03-09 | Nugent; Steven Floyd | High fidelity audio interconnect cable |
WO1999019886A1 (en) * | 1997-10-16 | 1999-04-22 | Tara Labs, Inc. | Isolated and floating shielded cable system |
US6249913B1 (en) * | 1998-10-09 | 2001-06-19 | General Dynamics Ots (Aerospace), Inc. | Aircraft data management system |
CH694714A5 (en) * | 2000-03-29 | 2005-06-15 | Kaspar Kramis | Symmetrical or pseudosymmentrisches small audio signal cable. |
US6800810B1 (en) * | 2002-09-03 | 2004-10-05 | William Jody Page | Snake for musical instrument wiring |
US20100104126A1 (en) * | 2008-10-24 | 2010-04-29 | Andrea Martina Greene | Tangle resistant audio cord and earphones |
US7804029B1 (en) * | 2008-12-05 | 2010-09-28 | The United States Of America As Represented By The United States Department Of Energy | Electromagnetic wrap |
AU2009346811B2 (en) * | 2009-05-27 | 2015-09-10 | Prysmian S.P.A. | Electric cable with strain sensor and monitoring system and method for detecting strain in at least one electric cable |
US20140010400A1 (en) * | 2012-06-20 | 2014-01-09 | Timothy A. Morris | Magnetic coupling mechanism for earphone wires |
-
2013
- 2013-07-11 CH CH01244/13A patent/CH708283A1/en not_active Application Discontinuation
-
2014
- 2014-07-10 JP JP2016524643A patent/JP2016528679A/en active Pending
- 2014-07-10 US US14/903,967 patent/US20160172079A1/en not_active Abandoned
- 2014-07-10 WO PCT/CH2014/000100 patent/WO2015003282A1/en active Application Filing
- 2014-07-10 EP EP14742453.5A patent/EP3020102B1/en active Active
- 2014-07-10 CN CN201480039682.5A patent/CN105612669A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5033091A (en) * | 1989-10-12 | 1991-07-16 | Bond Matthew R | Cable interconnection for audio component system |
US20120076342A1 (en) * | 2010-09-28 | 2012-03-29 | Douglas Weber | Cables with intertwined strain relief and bifurcation structures |
Non-Patent Citations (1)
Title |
---|
See also references of WO2015003282A1 * |
Also Published As
Publication number | Publication date |
---|---|
CH708283A1 (en) | 2015-01-15 |
US20160172079A1 (en) | 2016-06-16 |
JP2016528679A (en) | 2016-09-15 |
EP3020102B1 (en) | 2021-09-29 |
CN105612669A (en) | 2016-05-25 |
WO2015003282A1 (en) | 2015-01-15 |
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