WO1996027921A1 - Connecteur servant a raccorder un appareil de traitement de donnees a une ligne de transmission - Google Patents

Connecteur servant a raccorder un appareil de traitement de donnees a une ligne de transmission Download PDF

Info

Publication number
WO1996027921A1
WO1996027921A1 PCT/EP1995/002151 EP9502151W WO9627921A1 WO 1996027921 A1 WO1996027921 A1 WO 1996027921A1 EP 9502151 W EP9502151 W EP 9502151W WO 9627921 A1 WO9627921 A1 WO 9627921A1
Authority
WO
WIPO (PCT)
Prior art keywords
connector
transmission line
data processing
connector according
transformer
Prior art date
Application number
PCT/EP1995/002151
Other languages
German (de)
English (en)
Inventor
Jürgen SAALMÜLLER
Peter Rudolph
Original Assignee
International Business Machines Corporation
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 International Business Machines Corporation filed Critical International Business Machines Corporation
Publication of WO1996027921A1 publication Critical patent/WO1996027921A1/fr

Links

Classifications

    • 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
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6658—Structural association with built-in electrical component with built-in electronic circuit on printed circuit board
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings
    • H01F2038/143—Inductive couplings for signals

Definitions

  • the invention relates to a connector according to the preamble of claim 1.
  • a problem that frequently occurs in practice is, for example, the connection of a personal computer (PC) to the ISDN network or another network such as a local area network or to an Ethernet.
  • PC personal computer
  • a communication adapter is generally implemented in the PCMCIA card.
  • the PCMCIA card housing is then used to connect to the corresponding network.
  • one end of a transmission line is connected to the PCMCIA card by means of a connector.
  • the other end of the transmission line is used for direct connection to the network, for example via a wall socket, a so-called network ter inator.
  • To adapt and / or decouple the PC from the data network it is known to interpose a transformer in the form of a transformer in the transmission line.
  • the transmission line then consists of two sections: a first line section between the connector and the transmitter and a second line section between the transmitter and, for example, the wall socket.
  • the transmitter is housed in a separate housing, which creates a network interface component (NIC) is realized.
  • NIC network interface component
  • the invention is therefore based on the object of an improved connection option
  • the separate NIC is not required. This makes the data processing device easier to handle. This advantage is particularly significant in the case of a portable data processing device in which the transmission line is carried.
  • connection options In addition to a connection option for a data network, other connection options for peripheral devices such as printers are generally provided.
  • the corresponding connections of the data processing device are arranged side by side, particularly in the case of a portable device, in a narrow space. Therefore, the corresponding connector must be designed so flat that they can be plugged into the connections next to each other.
  • the connector plugs must therefore not exceed a standardized thickness.
  • PCMCIA connectors the maximum permitted thickness of a connector is only a few millimeters. Because of this, in the prior art the transformer is formed in a separate unit in order to be able to make the connecting plug as flat as possible.
  • the design of the connector according to the invention can be somewhat longer than that of ordinary connectors.
  • additional plugs can still be connected to the data processing device directly next to the connector according to the invention, since the connector does not exceed the maximum permitted thickness.
  • the transformer core preferably consists of a highly permeable material. This makes it easier to maintain the maximum thickness of the connector.
  • transformers are embedded in a plastic carrier housing.
  • the transformers installed in a conventional NIC are therefore also surrounded by a plastic housing.
  • the electrical connection of the transformers is then made via the connection points provided on the plastic housing.
  • the transformers can be applied directly to a circuit board integrated in the connector itself without the usual plastic housing.
  • the recesses prevent the wall thickness of the circuit board from adding up to the overall height of the transformer. As a result, the entire thickness of the connector can be further reduced. In this way it is possible, for example, to accommodate a transformer with a height of 4.7 mm in a connector with a clear width of 5 mm.
  • the transformers are preferably fixed to the circuit board by an adhesive connection.
  • display means in particular light-emitting diodes, for displaying the operating and / or transmission state are preferably integrated in the connector according to the invention. According to the prior art, such display means are also provided in the separate NIC.
  • the diodes can be designed as SMD LEDs. Such diodes have a flattened head. Furthermore, the use of chip LEDs is also possible, a corresponding chip being provided on the circuit board. Then it is advantageous to form window openings in the housing of the connector plug, in which lenses are located flush with the outer housing surface. The lenses are used to bundle the light coming from the chip LEDs.
  • the diode light can also be connected using light-conducting connections, e.g. Glass fiber cables, or so-called light pipes, are transferred to the connector and routed through the window openings.
  • the diodes can then be on the PCMCIA card.
  • the mentioned embodiments of the display means in the connector again have the advantage that a flat design is guaranteed.
  • FIG. 1 shows a section of a transmission line connected to a PCMCIA card according to the prior art
  • Fig. 2 is a perspective view of one from the
  • Fig. 4 shows the internal connection of a transformer in a NIC known from the prior art.
  • Fig. 5 shows a connector according to the invention.
  • a PCMCIA card 1 which contains a communication adapter for communication of a PC with the ISDN network.
  • a connector 2 is inserted into the PCMCIA card 1.
  • the connector 2 is used for the electrical connection of the NIC 4 via the first line section 3.
  • the second section of the transmission line from the NIC 4 to a wall socket is not shown.
  • the NIC 4 is shown in perspective.
  • the upper representation of the NIC 4 shows a connection opening 18, which is used to connect the second line section of the transmission line between the NIC and the wall socket.
  • Fig. 3 shows the connector 4 with the first line section 3 in a scale representation.
  • the Connector 4 is only used to assign the signal inputs / outputs of the PCMCIA card with the signals transmitted on the transmission line 3.
  • Fig. 4 shows the internal circuitry of the NIC 4.
  • the line 5 is used to transmit the signals to be received by the PC.
  • Line 8 is used to transmit the transmission signals of the PC.
  • the receive and transmit signals are transmitted via respective transmitters 9 and 10 in the corresponding lines 7 and 11.
  • choke coils 11 and a capacitor 12 are provided for filtering signal interference.
  • Lines 5 and 6 are connected to the second line section of the transmission line via the connection opening 18.
  • Fig. 5 shows a connector 13 according to the invention.
  • the connector 13 is used to connect a data processing device, not shown, to a transmission line 20.
  • the transmission line 20 can in turn, for example, be connected to the ISDN network via a wall socket.
  • the data processing device has a PCMCIA card 1, into which the connector 13 can be inserted - corresponding to the connector 2 in FIG. 1.
  • the connector 13 contains a circuit board 19. In the circuit board 19, recesses 14 and 15 are formed. These serve to accommodate the transmitters T1 and T2.
  • the signal lines 21 are electrically connected to the circuit board 19 and connected to the transformers T1 and T2 according to FIG. 4.
  • the transformers T1 and T2 are not surrounded by a plastic housing. This enables the transformers T1 and T2 to be inserted into the recesses 14 and 15 in the circuit board 19 and fix it there with an adhesive connection.
  • the material from which the transformer cores of the transformers T1 and T2 are made has a significantly higher permeability compared to that of the transformers 9 and 10 of FIG.
  • the transformers T1 and T2 shown in FIG. 5 each have four connections on the secondary and primary side.
  • the middle two connections, i.e. the center tap of the transformer coils is not used here.
  • the center taps of a transformer coil are short-circuited accordingly.
  • the choke coils 11 and the capacitor 12 of FIG. 4 have no equivalent in the transformer according to the invention of FIG. 5, but can also be integrated by extending the plug connector 13.
  • LEDs 16 and 17 which can be electrically connected to the PCMCIA card via the connector 13 and are controlled from there.
  • Corresponding window openings through which the light of the diodes can exit are located in the housing 22.
  • An electrical shield is also formed in the housing 22.
  • the connector 13 has a clear width of 5mm, which corresponds to the PCMCIA standard. Therefore, additional connectors can be placed in immediately adjacent PCMCIA cards of the PC simultaneously with connector 13 be plugged in without a bulky separate NIC being required.
  • the attainment of the low overall height of 5 mm is particularly simplified by the use of a transformer core which is highly permeable in comparison with the transformers previously used for NICs. This also contributes to the fact that the recesses 14 and 15 are present in the circuit board, which make it possible to accommodate the transformers with an overall height of 4.7 mm in the housing 22 of 5 mm inside diameter.
  • the length of the connector 13 is somewhat increased by the integration of the NIC compared to the connector 2. However, this does not prevent several connectors 13 and / or 2 from being inserted directly next to one another in the PCMCIA cards of the PC.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

Connecteur (13) servant à raccorder un appareil de traitement de données à une ligne de transmission (20). Les transformateurs (T1, T2) requis pour des fonctions d'adaptation et/ou de découplage sont intégrés dans le connecteur à fiche, ce qui rend superflu un composant séparé (NIC) servant à loger des transformateurs. De préférence, une plaque (19) pourvue de cavités pour le logement des noyaux des transformateurs (14, 15) est intégrée dans le connecteur (13)
PCT/EP1995/002151 1995-03-06 1995-06-06 Connecteur servant a raccorder un appareil de traitement de donnees a une ligne de transmission WO1996027921A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19507505 1995-03-06
DE19507505.6 1995-03-06

Publications (1)

Publication Number Publication Date
WO1996027921A1 true WO1996027921A1 (fr) 1996-09-12

Family

ID=7755578

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1995/002151 WO1996027921A1 (fr) 1995-03-06 1995-06-06 Connecteur servant a raccorder un appareil de traitement de donnees a une ligne de transmission

Country Status (1)

Country Link
WO (1) WO1996027921A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995003683A1 (fr) * 1993-07-19 1995-02-02 Oakleigh Systems, Inc. Module memoire a faible encombrement physique
JPH0757919A (ja) * 1993-08-10 1995-03-03 Hitachi Metals Ltd 薄型磁心

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995003683A1 (fr) * 1993-07-19 1995-02-02 Oakleigh Systems, Inc. Module memoire a faible encombrement physique
JPH0757919A (ja) * 1993-08-10 1995-03-03 Hitachi Metals Ltd 薄型磁心

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Optimized splitting of an Integrated Services Digital Network Layer 1 interface", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 34, no. 6, NEW YORK, US, pages 451 - 452 *
"'Smart' cable enclosure/connector", IBM TECHNICAL DISCLOSURE BULLETIN, vol. 33, no. 9, NEW YORK, US, pages 230 - 232 *

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