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EP2381703A3 - Method and device for monitoring a loudspeaker line - Google Patents

Method and device for monitoring a loudspeaker line Download PDF

Info

Publication number
EP2381703A3
EP2381703A3 EP11155188.3A EP11155188A EP2381703A3 EP 2381703 A3 EP2381703 A3 EP 2381703A3 EP 11155188 A EP11155188 A EP 11155188A EP 2381703 A3 EP2381703 A3 EP 2381703A3
Authority
EP
European Patent Office
Prior art keywords
loudspeaker line
monitoring
loudspeaker
line
point
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
Application number
EP11155188.3A
Other languages
German (de)
French (fr)
Other versions
EP2381703A2 (en
EP2381703B1 (en
Inventor
Stefan Bauer
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2381703A2 publication Critical patent/EP2381703A2/en
Publication of EP2381703A3 publication Critical patent/EP2381703A3/en
Application granted granted Critical
Publication of EP2381703B1 publication Critical patent/EP2381703B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/007—Monitoring arrangements; Testing arrangements for public address systems

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Abstract

Die vorliegende Erfindung betrifft eine Einrichtung sowie ein Verfahren zur Überwachung einer Lautsprecherlinie, wobei ein an einem ersten Punkt der Lautsprecherlinie (120) angeordnetes Hauptmodul (210) und wenigstens ein an einem zweiten, entfernten Punkt der Lautsprecherlinie (120) angeordnetes Überwachungsmodul (220) kommunizieren, wobei die Impedanz zwischen der Lautsprecherlinie (120) und einer Bezugsmasse (230) von dem sendenden Kommunikationsteilnehmer (210, 220) verändert wird, um ein digitales Kommunikationssignal zu übertragen.

Figure imgaf001
The present invention relates to a device and a method for monitoring a loudspeaker line, wherein a main module (210) arranged at a first point of the loudspeaker line (120) and at least one monitoring module (220) arranged at a second, remote point of the loudspeaker line (120) communicate wherein the impedance between the loudspeaker line (120) and a reference ground (230) is changed by the transmitting communication participant (210, 220) to transmit a digital communication signal.
Figure imgaf001
EP11155188.3A 2010-04-21 2011-02-21 Method and device for monitoring a loudspeaker line Active EP2381703B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010028022A DE102010028022A1 (en) 2010-04-21 2010-04-21 Method and device for monitoring a loudspeaker line

Publications (3)

Publication Number Publication Date
EP2381703A2 EP2381703A2 (en) 2011-10-26
EP2381703A3 true EP2381703A3 (en) 2016-06-01
EP2381703B1 EP2381703B1 (en) 2019-12-11

Family

ID=44310116

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11155188.3A Active EP2381703B1 (en) 2010-04-21 2011-02-21 Method and device for monitoring a loudspeaker line

Country Status (2)

Country Link
EP (1) EP2381703B1 (en)
DE (1) DE102010028022A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2884773B1 (en) 2013-12-10 2017-02-15 Televic Rail NV Public address system and method
DE202015001656U1 (en) 2015-03-04 2015-03-24 Itec Tontechnik Und Industrieelektronik Gesellschaft M.B.H. Device for monitoring a public address system
DE102015206570A1 (en) 2015-04-13 2016-10-13 Robert Bosch Gmbh Audio system, calibration module, operating method and computer program
DE102016225365A1 (en) * 2016-12-19 2018-06-21 Robert Bosch Gmbh Method and device for monitoring at least one loudspeaker line
EP3522571B1 (en) 2018-02-06 2021-12-22 Robert Bosch GmbH Sound system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3627960C1 (en) * 1986-08-18 1987-09-03 Philips Patentverwaltung Monitoring device for loudspeaker installations
EP0967833A2 (en) * 1998-06-27 1999-12-29 Protec Fire Detection Plc PA system having zone isolator circuits
JP2007033288A (en) * 2005-07-28 2007-02-08 Toa Corp Loudspeaker line inspection device and terminal device for loudspeaker line inspection device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006050754A2 (en) 2004-11-09 2006-05-18 Robert Bosch Gmbh Public address system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3627960C1 (en) * 1986-08-18 1987-09-03 Philips Patentverwaltung Monitoring device for loudspeaker installations
EP0967833A2 (en) * 1998-06-27 1999-12-29 Protec Fire Detection Plc PA system having zone isolator circuits
JP2007033288A (en) * 2005-07-28 2007-02-08 Toa Corp Loudspeaker line inspection device and terminal device for loudspeaker line inspection device

Also Published As

Publication number Publication date
EP2381703A2 (en) 2011-10-26
DE102010028022A1 (en) 2011-10-27
EP2381703B1 (en) 2019-12-11

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