EP0435967A1 - Dispositif de transmission d'informations - Google Patents

Dispositif de transmission d'informations

Info

Publication number
EP0435967A1
EP0435967A1 EP19900906132 EP90906132A EP0435967A1 EP 0435967 A1 EP0435967 A1 EP 0435967A1 EP 19900906132 EP19900906132 EP 19900906132 EP 90906132 A EP90906132 A EP 90906132A EP 0435967 A1 EP0435967 A1 EP 0435967A1
Authority
EP
European Patent Office
Prior art keywords
telephone
receiver
transmitter
electro
signal
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.)
Withdrawn
Application number
EP19900906132
Other languages
German (de)
English (en)
Inventor
Andreas Von Hennings
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FIELITZ, HEINZ
Original Assignee
FIELITZ Heinz
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 FIELITZ Heinz filed Critical FIELITZ Heinz
Publication of EP0435967A1 publication Critical patent/EP0435967A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/82—Line monitoring circuits for call progress or status discrimination
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
    • H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations

Definitions

  • the invention relates to a device for information transmission, consisting of a transmitter and a receiver, which are in information communication via a domestic power supply network.
  • the invention is based on the object of designing the device mentioned at the outset in such a way that it is suitable for switching off an electro-acoustic system or making it quieter when a telephone call is initiated.
  • the transmitter is connected to the telephone connector of a telephone set and to a telephone connection socket of the telephone exchange line and a control signal in when a wake-up signal occurs in the telephone set or when the telephone receiver is picked up emits the house power supply network and that the receiver is connected to an electro-acoustic system and, when the control signal is received, the NF energy is reduced or switched off immediately before the inputs of the loudspeaker (s) of the system, the one from the transmitter Signals transmitted to the receiver are pulse code-modified signals.
  • an electro-acoustic system for example a television set or a stereo system, is quietly switched on or off completely by the wake-up signal of a telephone set or by removing the telephone handset.
  • the interference of a telephone call by an electro-acoustic system can be eliminated and / or the alarm signal from a telephone set can be prevented from being overheard by an activated electro-acoustic system.
  • an activated electro-acoustic system is preferred in cases where the distance between the telephone and the system is greater than about 2 to 4 meters, but on the other hand is so small that there is an acoustic influence on both. It is expedient if the receiver has a controller, in particular a step switch, for adjusting the volume.
  • the system either after a certain fixed time, if the telephone handset is not picked up, or if the telephone handset is picked up, when the telephone is hung up is turned up again.
  • An expedient further development of the invention consists in that the transmitter and the receiver each have a coding circuit which enable a specific telephone to be matched to a specific electro-acoustic system.
  • Fig. 1 is a block diagram of the entire device
  • Fig. 2 is a block diagram of a transmitter
  • Fig. 3 is a block diagram of a receiver.
  • Fig. 1 denotes a telephone, 2 a stereo system, 3 their loudspeaker boxes, 4 a transmitter as signal transmitter, 5a a receiver and 5b another receiver for a television or the like.
  • the telephone connector 6 is located in a telephone socket 7, and the connectors 8 of the loudspeaker boxes 3 are in the sockets 9 of the stereo system.
  • the telephone connector 6 is inserted into a telephone socket 10 of the transmitter 4, a telephone connector 11 connected to the latter is inserted into the telephone socket 7, the connector 8 is the sound ⁇ speaker boxes come in sockets 12 of the receiver 5a, plugs 13 of the receiver are plugged into the sockets 9 of the stereo system 2 and the transmitter 4 and receiver 5a are connected by means of mains plugs 14 to sockets 15 of the power supply network 16.
  • the receiver 5b can be used in a corresponding manner with a television set or the like. get connected.
  • FIG. 2 shows in detail the transmitter, which is given the reference symbol 4 in FIG.
  • the telephone is again with 1, the telephone connection box of the exchange line with 7 and the counterparts to the mains socket 15 and the mains plug 14 in Fig. 1 are designated 14.15.
  • a power supply unit 20 in the transmitter which supplies all electronic units of the transmitter with energy.
  • a unit 22 which, when the telephone handset is lifted, emits a signal to a relay 24 via a line 23.
  • PCM signals pulse code modulated signals
  • 30 denotes a coding circuit with which the pulse-code-modulated signal can be coded.
  • the transmitter is also provided with a unit 31 which responds to the wake-up signal for the telephone 1 via a line 32. If a wake-up signal is triggered in the telephone, the unit 31 sends signals to the relay 24 via a delay circuit 33, which then also lead to a control signal in the network.
  • the delay circuit 33 has the task of: - 6 -
  • the relay 24 is influenced by the unit 22 via the line 23.
  • FIG. 3 shows the receiver, which is designated 5a in FIG. 1.
  • the plugs 8 in FIG. 1 correspond to the position 8 * in FIG. 3, and the line 40 leads to the two loudspeaker boxes 3.
  • the line 40 'in FIG. 1 corresponds to the line between the plug 13 and the receiver 5a.
  • a switching relay is designated, which is between the amplifier (designated in FIG. 1 with 2) and the loudspeaker boxes 3 of the stereo system. If there is no signal to turn down the system, the NF energy flows through the connection point 42, the arm 43 pivoted to the right, the connection point 44 into the line 40 and thus to the loudspeaker boxes.
  • the arm 43 swivels to the left and connects the connection point 42 to a connection point 45. Now the low-frequency energy flows through an assembly 46 into the line 4Q.
  • This unit 46 is a load resistance cascade, which makes it possible to gradually lower the NF energy.
  • the unit 46 is thus equipped with the tap changer designated 17 in FIG. 1.
  • the receiver has a power supply unit 47 which supplies all units with energy.
  • the parts 14 and 15 shown in FIG. 1 (mains socket and mains plug) are located on the far left in FIG. 3 and are also designated by 14.15.
  • Designated at 48 is a demodulator which receives the PCM control signal coming via the network via a line 49 and frees it from its network carrier. The now demodulated PCM signal is fed via a line 50 to a pulse code deodulator 51.
  • Designated at 52 is a decoding circuit by which the PCM signal which is fed into the demodulator 51 is recognized (corresponding to the coding circuit 30, FIG. 2). A signal is then fed via line 53 to amplifier 54, which activates switchover relay 41.
  • control signals By coding the control signals, which is possible by means of the coding circuit 30 (at the transmitter) and 52 (at the receiver), selections can be made in an apartment or house with several telephones and several electro-acoustic systems in such a way that only one telephone set at a time a very specific electro-acoustic system switches quieter.
  • the signals fed into the network are of such a type that they have a spread of a few hundred meters.
  • electro-acoustic systems and / or the telephone sets can already be prepared in the factory in such a way that the user can make use of the invention in a few simple steps.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)

Abstract

Un dispositif de transmission d'informations comprend un émetteur et un récepteur qui échangent des informations par le réseau domestique d'alimentation en courant. L'émetteur (4) est relié à la fiche (6) de raccordement téléphonique d'un téléphone (1) et à la boîte de jonction téléphonique (7) de la ligne téléphonique principale. Lorsque l'on décroche le combiné du télépone, l'émetteur transmet un signal de commande par le réseau domestique d'alimentation en courant. Le récepteur (5a) est relié à une installation électro-acoustique (2, 3) et réduit ou coupe l'énergie de basse fréquence immédiatement en amont des entrées du haut-parleur ou des haut-parleurs (3) de l'installation (2, 3) lorsqu'il reçoit le signal de commande. Les signaux transmis de l'émetteur (4) au récepteur (5a) sont des signaux à modification des impulsions codées. Il est ainsi possible de brancher ou de débrancher complètement une installation électro-acoustique de manière silencieuse, simple et fiable au moyen du signal d'appel d'un téléphone ou en décrochant le combiné du téléphone.
EP19900906132 1989-04-21 1990-04-23 Dispositif de transmission d'informations Withdrawn EP0435967A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3913754 1989-04-21
DE19893913754 DE3913754A1 (de) 1989-04-21 1989-04-21 Steuereinrichtung

Publications (1)

Publication Number Publication Date
EP0435967A1 true EP0435967A1 (fr) 1991-07-10

Family

ID=6379504

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900906132 Withdrawn EP0435967A1 (fr) 1989-04-21 1990-04-23 Dispositif de transmission d'informations

Country Status (3)

Country Link
EP (1) EP0435967A1 (fr)
DE (1) DE3913754A1 (fr)
WO (1) WO1990013198A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4222977C2 (de) * 1992-07-13 1996-01-11 Yuecel Atiker Fernsprechteilnehmereinrichtung mit Fernsprechendgerät
DE4236725A1 (de) * 1992-10-30 1994-05-05 Hengelmann Guenter Fernsprechsystem mit Rufanzeige
DE19648003B4 (de) * 1996-11-20 2007-01-04 Sennheiser Electronic Gmbh & Co. Kg Signalanzeigesystem

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH651711A5 (fr) * 1983-02-08 1985-09-30 Claude Eric Jaquet Procede et installation de transmission de l'information de sonnerie du telephone par le reseau basse tension de distribution d'energie electrique.
SE456387B (sv) * 1983-03-31 1988-09-26 Claes Lorentz Uno Persson Sett att paverka en ljudkella vid telefonsamtal och anordning for utovande av settet
DE3514939A1 (de) * 1985-04-25 1986-10-30 Philips Patentverwaltung Gmbh, 2000 Hamburg Schaltungsanordnung zur veraenderung der von einem teilnehmer eines fernmeldesystems an einem geraet der unterhaltungselektronik eingestellten lautstaerke

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9013198A2 *

Also Published As

Publication number Publication date
DE3913754A1 (de) 1990-10-25
WO1990013198A2 (fr) 1990-11-01
DE3913754C2 (fr) 1991-11-07
WO1990013198A3 (fr) 1990-12-13

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 19921103