WO2016110599A1 - Connecteur destiné à un faisceau électrique, conducteur de signaux électriques d'une fréquence ne dépassant pas 30 khz - Google Patents

Connecteur destiné à un faisceau électrique, conducteur de signaux électriques d'une fréquence ne dépassant pas 30 khz Download PDF

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Publication number
WO2016110599A1
WO2016110599A1 PCT/EP2016/050402 EP2016050402W WO2016110599A1 WO 2016110599 A1 WO2016110599 A1 WO 2016110599A1 EP 2016050402 W EP2016050402 W EP 2016050402W WO 2016110599 A1 WO2016110599 A1 WO 2016110599A1
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WO
WIPO (PCT)
Prior art keywords
electric
connectors
connector
30khz
radio frequency
Prior art date
Application number
PCT/EP2016/050402
Other languages
English (en)
Other versions
WO2016110599A4 (fr
Inventor
Silvan KÜNG
Pirmin GIGER
Original Assignee
Relish Brothers Ag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Relish Brothers Ag filed Critical Relish Brothers Ag
Publication of WO2016110599A1 publication Critical patent/WO2016110599A1/fr
Publication of WO2016110599A4 publication Critical patent/WO2016110599A4/fr

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Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/0033—Recording/reproducing or transmission of music for electrophonic musical instruments
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H1/00—Details of electrophonic musical instruments
    • G10H1/32—Constructional details
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
    • G10H3/00—Instruments in which the tones are generated by electromechanical means
    • G10H3/12—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument
    • G10H3/14—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means
    • G10H3/18—Instruments in which the tones are generated by electromechanical means using mechanical resonant generators, e.g. strings or percussive instruments, the tones of which are picked up by electromechanical transducers, the electrical signals being further manipulated or amplified and subsequently converted to sound by a loudspeaker or equivalent instrument using mechanically actuated vibrators with pick-up means using a string, e.g. electric guitar
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/09—Applications of special connectors, e.g. USB, XLR, in loudspeakers, microphones or headphones

Definitions

  • the present invention relates to the electric harness of an electronic device dealing with signals of not more than 30kHz. More particularly the present invention relates to an improved electric connectivity between the source of the electric signals and the output interface of said device by using radio frequency connectors.
  • One of the preferred embodiments of this invention is the electric harness of an electric musical instrument
  • harness of most other electric music instruments such as electric pianos or keyboards is set up in a similar way.
  • a front end which is the source of the electric signal is connected by means of wires and/or cables to electronic components and/or modules inside the instrument and finally to its output connector.
  • harness is based on a state of the art dating back to the 1930s when components of electronic equipment were connected through a multitude of wires. These wires were neatly arranged and tied together to form harnesses.
  • Wires and cables are still used but more often as path of electric music signals between electronic components and/or modules, which is one electric conductor per signal plus electric ground, i.e. a mono signal requires two conductors, a stereo signal requires three conductors, etc. Most other connections are made by conductive paths on printed circuit boards or are part of integrated circuits.
  • RF connectors used in every telecommunication device as antenna connectors.
  • a RF connector is an electrical connector designed to work at radio frequencies in the multi-megahertz range.
  • RF connectors are typically used with coaxial cables, are designed to maintain the shielding that the coaxial design offers and they minimize the change in transmission line impedance at the connection thus avoiding signal reflection.
  • a vast number of types and models is available mainly as coax connectors (1 conductor + shield) but also as twinax (2 conductors + shield) and quadrax connectors (4 conductors + shield) as well as with a higher number of pins.
  • US 7,915,506 B2 is related to electronic guitar harnesses and suggests the use of ribbon cable assemblies comprising appropriate modular ribbon cable connectors, known from the computer industry. Shorter production times, better cost efficiency and lower failure rates are the main advantages of that invention. Unfortunately the very important issue of minimising noise and interference regarding the electric music signal is left aside. The patent does not mention the use of shielded cables or connectors nor the us of twisted pairs, twisted triplets etc. of wires.
  • US 6,800,800 relates to electric guitars and specifically addresses the issues of reducing the amount of wiring while at the same time reducing interference and noise thus improving the electric output signal. This is achieved by using a multi- layered printed circuit board which at the same time serves partially or entirely as deck plate (pickguard) of the guitar.
  • pickguard deck plate
  • components such as e.g. the pickups or the output connector are soldered on to the circuit board/pickguard. In order to disconnect them a desoldering device is required. For maintenance or replacement they can not just be disconnected from the circuit board by unplugging a connector.
  • Pairs or triplets etc. of wires routing music signals are preferably twisted and maybe even shielded in order to avoid interferences, noise and hum which reduces the quality of the output signal.
  • Connectors used in this field are preferably shielded, offer a selection of through hole or surface mount models to be mounted on printed circuit boards, offer a selection of cable assembly models for various numbers and gauges of conductors, have a union or bayonet nut or a snap mechanism to prevent unwanted disconnecting and should be of high quality.
  • the present invention improves the connectivity as well as maintainability of electronic harnesses for musical instruments, particularly regarding wires, cables and printed circuit boards routing the music signal by using radio frequency connectors to connect electronic components and/or modules.
  • connectors feature mechanically secured matching mates whereby one connector is a through hole or a surface mount device for printed circuit boards.
  • Radio frequency (RF) connectors match the above mentioned requirements perfectly and there is a wide range of types and models. But as mentioned above they are designed for the world of radio frequencies and therefore have a number of features such as a defined impedance and structure. [0022] Radio frequencies can range from about 50kHz up to about 4 GHz. RF cables and RF connectors are designed to minimise signal attenuation (line loss) and prevent signal reflection. Therefore in RF Technology cable assemblies consist of RF cables (e.g. coax or twinax cables) and RF connectors with matching impedance.
  • the frequency of a musical signal is less than 30kHz which is very low compared to a RF signal. In this range of frequencies the issue of signal reflection at cable-connector joints is negligible and therefore there is no need for matching impedance between cables and connectors. The impedance of the RF connector itself has no influence.
  • FIG. 1 shows a first type of RF connectors
  • FIG. 2 shows a second type of RF connectors
  • FIG. 3 shows a third type of RF connectors
  • FIG. 4 shows the use of RF connectors in an electric guitar harness
  • FIG. 5 shows the use of RF connectors with cable and wire assemblies for electronic components and modules in harnesses for musical instruments.
  • FIGS. 1 to 3 show three types of RF connectors which are available as matching mates.
  • the cable connector 10 matches its counterpart 1 1 which in this case is a surface mount device for printed circuit boards.
  • Connector 10 mechanically snaps on to the socket 1 1 .
  • Connectors 12 and 13 of FIG. 2 are matching mates which are mechanically secured by a union nut where as connectors 14 and 15 in FIG. 3 have a bayonet nut.
  • FIG. 4 shows an electric guitar harness comprising a printed circuit board 24 to which a coil pickup 21 , two potentiometers 22 and an output jack 23 are connected.
  • the coil pickup 21 has been pre-assembled with a twisted pair of wires 18 to which a snap on type RF connector 10 has been soldered or crimped.
  • the potentiometers 22 are part of a pre-assembly with three twisted wires 19 and a two pin RF connector 16 soldered or crimped on.
  • the output jack 23 is soldered to a shielded cable 20 which is soldered or crimped on to a snap on RF connector 10.
  • the RF sockets 1 1 and 17 are surface mount devices for printed circuit boards and mate with the connectors 10 and 16 respectively.
  • FIG. 5 shows an embodiment regarding a cable assembly 26 which can be used to connect printed circuit boards.
  • the two printed circuit boards 24 comprising each a surface mount RF connector 1 1 are connected by the cable assembly 26 comprising a shielded cable 20 to which the RF connectors 10 have been soldered or crimped.
  • the four embodiments in the lower section of FIG. 5 are wire and cable assemblies 27, 28, 29, 30 respectively comprising a pair of twisted wires 18, three twisted wires 19, a shielded cable 20 with one lead and a shielded cable 25 with two leads.
  • These assemblies 27, 28, 29, 30 can be used to connect front end devices such as oscillators or coil pickups etc., or electronic components such as potentiometers or output jacks etc to circuit boards.
  • the RF connectors 10 and 16 mate with their counterparts 1 1 and 17 respectively and are secured mechanically by a snap on mechanism.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

L'invention concerne l'utilisation de connecteurs (10, 11) radiofréquence (RF) en faisceaux, pour des dispositifs électriques et électroniques traitant des signaux d'une fréquence ne dépassant pas 30 kHz, afin de tirer profit des aspects suivants : • ils sont d'un haut niveau de qualité • leur connexion est mécaniquement sécurisée • ils sont proposés dans une grande variété de modèles • ils sont disponibles à des prix compétitifs du fait qu'il sont produits en grande série pour les marchés des télécommunications • ils permettent de faciliter l'entretien d'instruments de musique électriques. Bien que les connecteurs RF (10, 11) semblent a priori être dans l'ensemble inappropriés pour l'usage ci-dessus, le grand potentiel de la présente invention apparaît si l'on y regarde de plus près. Du fait que la fréquence des signaux produits par les instruments de musique - un des modes de réalisation préférés - ne dépasse pas 30 kHz, les normes relatives aux ensembles de câbles ne s'appliquent pas. Les dispositifs électriques conducteurs peuvent donc être assemblés au moyen de fils torsadés et/ou blindés (18, 19) et de connecteurs RF qui présentent d'excellentes caractéristiques eu égard à l'usage ci-dessus. Ces connecteurs radiofréquence (10, 11) en faisceaux destinés à des instruments de musique sont particulièrement efficaces combinés à des transformateurs audio, du fait que ces derniers peuvent assurer un fonctionnement des circuits sans courant continu, basé uniquement sur des composants passifs.
PCT/EP2016/050402 2015-01-11 2016-01-11 Connecteur destiné à un faisceau électrique, conducteur de signaux électriques d'une fréquence ne dépassant pas 30 khz WO2016110599A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15150717.5 2015-01-11
EP15150717 2015-01-11

Publications (2)

Publication Number Publication Date
WO2016110599A1 true WO2016110599A1 (fr) 2016-07-14
WO2016110599A4 WO2016110599A4 (fr) 2016-09-22

Family

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PCT/EP2016/050402 WO2016110599A1 (fr) 2015-01-11 2016-01-11 Connecteur destiné à un faisceau électrique, conducteur de signaux électriques d'une fréquence ne dépassant pas 30 khz

Country Status (1)

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WO (1) WO2016110599A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293040A (en) * 1994-09-09 1996-03-13 Michael John Vanden Sound reinforcement systems for acoustic stringed instruments
US6800800B1 (en) 2001-08-15 2004-10-05 Renato Giordano Electric guitar pickguard assembly
EP1727122A1 (fr) * 2005-05-24 2006-11-29 TC Electronic A/S Pédale pour guitare
US20080166924A1 (en) * 2007-01-05 2008-07-10 Ensky Technology (Shenzhen) Co., Ltd. Audio signal switcher
US20080242147A1 (en) * 2007-03-29 2008-10-02 (Apple, Inc.) Headset with data connector
US7915506B2 (en) 2009-08-10 2011-03-29 Bruce Ledley Jacob Electronic guitar harness component connector
EP2736265A1 (fr) * 2011-07-18 2014-05-28 Tendyron Corporation Dispositif adaptateur de signal audio et système de transmission de signal audio

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2293040A (en) * 1994-09-09 1996-03-13 Michael John Vanden Sound reinforcement systems for acoustic stringed instruments
US6800800B1 (en) 2001-08-15 2004-10-05 Renato Giordano Electric guitar pickguard assembly
EP1727122A1 (fr) * 2005-05-24 2006-11-29 TC Electronic A/S Pédale pour guitare
US20080166924A1 (en) * 2007-01-05 2008-07-10 Ensky Technology (Shenzhen) Co., Ltd. Audio signal switcher
US20080242147A1 (en) * 2007-03-29 2008-10-02 (Apple, Inc.) Headset with data connector
US7915506B2 (en) 2009-08-10 2011-03-29 Bruce Ledley Jacob Electronic guitar harness component connector
EP2736265A1 (fr) * 2011-07-18 2014-05-28 Tendyron Corporation Dispositif adaptateur de signal audio et système de transmission de signal audio

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
"Handbook for Sound Engineers - The New Audio Cyclopedia", 1991, HOWARD W. SAMS & CO., ISBN: 978-0-672-22752-3, article FRANKLIN J. MILLER: "Audio Transformers and their Uses", XP055274882 *

Also Published As

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