GB2123193B - Public address system - Google Patents

Public address system

Info

Publication number
GB2123193B
GB2123193B GB08316762A GB8316762A GB2123193B GB 2123193 B GB2123193 B GB 2123193B GB 08316762 A GB08316762 A GB 08316762A GB 8316762 A GB8316762 A GB 8316762A GB 2123193 B GB2123193 B GB 2123193B
Authority
GB
United Kingdom
Prior art keywords
public address
address system
public
address
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.)
Expired
Application number
GB08316762A
Other versions
GB2123193A (en
GB8316762D0 (en
Inventor
James Ernest Gleave
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26283143&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=GB2123193(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to GB08316762A priority Critical patent/GB2123193B/en
Publication of GB8316762D0 publication Critical patent/GB8316762D0/en
Publication of GB2123193A publication Critical patent/GB2123193A/en
Application granted granted Critical
Publication of GB2123193B publication Critical patent/GB2123193B/en
Expired legal-status Critical Current

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R27/00—Public address systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2227/00—Details of public address [PA] systems covered by H04R27/00 but not provided for in any of its subgroups
    • H04R2227/003—Digital PA systems using, e.g. LAN or internet

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
GB08316762A 1982-06-19 1983-06-20 Public address system Expired GB2123193B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB08316762A GB2123193B (en) 1982-06-19 1983-06-20 Public address system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8217819 1982-06-19
GB08316762A GB2123193B (en) 1982-06-19 1983-06-20 Public address system

Publications (3)

Publication Number Publication Date
GB8316762D0 GB8316762D0 (en) 1983-07-20
GB2123193A GB2123193A (en) 1984-01-25
GB2123193B true GB2123193B (en) 1985-12-11

Family

ID=26283143

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08316762A Expired GB2123193B (en) 1982-06-19 1983-06-20 Public address system

Country Status (1)

Country Link
GB (1) GB2123193B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003582A1 (en) * 1984-02-09 1985-08-15 Greater Union Theatre Supplies Pty. Limited Control circuit with plural individual selectable controls
DE3505348A1 (en) * 1985-02-15 1986-08-21 Helmut 5330 Königswinter Brähler COMPUTER-CONTROLLED ELECTRO-ACOUSTIC DISCUSSION SYSTEM
GB2199466A (en) * 1986-11-08 1988-07-06 G L Communications Limited Monitoring loudspeakers
GB8627866D0 (en) * 1986-11-21 1986-12-31 Tannoy Ltd Incident warning system
US5406634A (en) * 1993-03-16 1995-04-11 Peak Audio, Inc. Intelligent speaker unit for speaker system network
DE4418337A1 (en) * 1994-05-26 1995-11-30 Mb Quart Akustik Und Elektroni Method and device for reproducing sound signals as well as control device and sound reproduction device
FI97576C (en) * 1995-03-17 1997-01-10 Farm Film Oy Listening System
DE19726176C1 (en) * 1997-06-20 1999-01-21 D & B Audiotechnik Ag Method and device for operating a sound system
FR2775154B1 (en) * 1998-02-13 2002-12-06 Fase DEVICE FOR REAL-TIME MANAGEMENT OF AUDIO EQUIPMENT INCLUDING AT LEAST ONE POWER AMPLIFIER AND TWO SPEAKERS
GB2362739B (en) * 2000-05-26 2003-01-22 Caradon Gent Ltd Improvements in and relating to fire alarm systems
DE10113088A1 (en) * 2001-03-17 2002-09-26 Helmut Woerner Operating sound system involves digitizing analog signals, transmitting via digital network to loudspeakers, evaluating, converting back into analog form and outputting by loudspeakers
DE10135463A1 (en) * 2001-07-20 2003-03-13 Klotz Digital Ag Device for the transmission, reception and processing of audio signals and control signals in loudspeaker systems
GB2448766A (en) * 2007-04-27 2008-10-29 Thorn Security System and method of testing the operation of an alarm sounder by comparison of signals
US8229131B2 (en) 2007-10-04 2012-07-24 Honeywell International Inc. Systems and methods for delivering directional audio and personalized emergency alerts via addressable speakers
DE102007057664A1 (en) * 2007-11-28 2009-06-04 K+H Vertriebs- Und Entwicklungsgesellschaft Mbh Speaker Setup
KR20100081823A (en) * 2009-01-07 2010-07-15 삼성전자주식회사 Audio equipment, av system having the same and method for controlling the same
US9014390B2 (en) * 2009-10-22 2015-04-21 Dolby Laboratories Licensing Corporation Digital communication system for loudspeakers
ES1071646Y (en) * 2009-10-30 2010-06-17 Genuix Audio S L MEGAFONIA QUALITY CONTROL DEVICE
EP2642770B1 (en) * 2010-07-18 2014-05-14 Bose Corporation Audio reproduction device and method of controlling thereof
US8494184B2 (en) 2010-07-18 2013-07-23 Bose Corporation Digital data transfer via audio signal conductors
US8494185B2 (en) 2010-07-18 2013-07-23 Bose Corporation Electro-acoustic transducer tuning and data storage

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1361384A (en) * 1971-07-27 1974-07-24 Town R Electrical arrangements for establishing electrical connection between a source and one of a plurality of remote units
IT976190B (en) * 1971-12-31 1974-08-20 Kathrein Werke Kg SYSTEM FOR THE TRANSMISSION OF SIGNALS ON SIGNALING LINES INSTALLED IN BUILDINGS
DE2233797C3 (en) * 1972-07-10 1981-04-02 Alois Zettler Elektrotechnische Fabrik GmbH, 8000 München Message system for hospitals
US3818481A (en) * 1972-08-14 1974-06-18 Codata Corp Multiple address direct coupled communication and control current carrier system
ZA812618B (en) * 1980-04-26 1982-05-26 Edinburgh District Council Sheltered housing schemes communication system

Also Published As

Publication number Publication date
GB2123193A (en) 1984-01-25
GB8316762D0 (en) 1983-07-20

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Legal Events

Date Code Title Description
708B Proceeding under section 8(1) patents act 1977
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000620