GB0012964D0 - Improvements in and relating to audio systems - Google Patents

Improvements in and relating to audio systems

Info

Publication number
GB0012964D0
GB0012964D0 GB0012964A GB0012964A GB0012964D0 GB 0012964 D0 GB0012964 D0 GB 0012964D0 GB 0012964 A GB0012964 A GB 0012964A GB 0012964 A GB0012964 A GB 0012964A GB 0012964 D0 GB0012964 D0 GB 0012964D0
Authority
GB
United Kingdom
Prior art keywords
relating
audio systems
audio
systems
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
GB0012964A
Other versions
GB2362739A (en
GB2362739B (en
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.)
Novar Systems Ltd
Original Assignee
Caradon Gent Ltd
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 Caradon Gent Ltd filed Critical Caradon Gent Ltd
Priority to GB0012964A priority Critical patent/GB2362739B/en
Publication of GB0012964D0 publication Critical patent/GB0012964D0/en
Publication of GB2362739A publication Critical patent/GB2362739A/en
Application granted granted Critical
Publication of GB2362739B publication Critical patent/GB2362739B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

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)
  • Circuit For Audible Band Transducer (AREA)
GB0012964A 2000-05-26 2000-05-26 Improvements in and relating to fire alarm systems Expired - Fee Related GB2362739B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0012964A GB2362739B (en) 2000-05-26 2000-05-26 Improvements in and relating to fire alarm systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0012964A GB2362739B (en) 2000-05-26 2000-05-26 Improvements in and relating to fire alarm systems

Publications (3)

Publication Number Publication Date
GB0012964D0 true GB0012964D0 (en) 2000-07-19
GB2362739A GB2362739A (en) 2001-11-28
GB2362739B GB2362739B (en) 2003-01-22

Family

ID=9892520

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0012964A Expired - Fee Related GB2362739B (en) 2000-05-26 2000-05-26 Improvements in and relating to fire alarm systems

Country Status (1)

Country Link
GB (1) GB2362739B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005054586A1 (en) 2005-11-16 2007-05-24 Robert Bosch Gmbh Sound system, method for generating spatial sound images and software
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
US20130147599A1 (en) * 2011-12-12 2013-06-13 Utc Fire & Security Americas Corporation, Inc. Wireless control of emergency notification devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2123193B (en) * 1982-06-19 1985-12-11 James Ernest Gleave Public address system
JPH0666765B2 (en) * 1985-08-02 1994-08-24 河村電器産業株式会社 Audio transmission method in data way system
GB2198269B (en) * 1986-11-27 1991-02-20 Multitone Electronics Plc Paging systems
US5406634A (en) * 1993-03-16 1995-04-11 Peak Audio, Inc. Intelligent speaker unit for speaker system network
GB2278216A (en) * 1993-05-19 1994-11-23 East Anglian Electronics Ltd Loudspeakers

Also Published As

Publication number Publication date
GB2362739A (en) 2001-11-28
GB2362739B (en) 2003-01-22

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20190526