GB2084783B - Audio system - Google Patents

Audio system

Info

Publication number
GB2084783B
GB2084783B GB8129823A GB8129823A GB2084783B GB 2084783 B GB2084783 B GB 2084783B GB 8129823 A GB8129823 A GB 8129823A GB 8129823 A GB8129823 A GB 8129823A GB 2084783 B GB2084783 B GB 2084783B
Authority
GB
United Kingdom
Prior art keywords
audio system
audio
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
GB8129823A
Other versions
GB2084783A (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.)
PRODUCTION ENG RES
Original Assignee
PRODUCTION ENG RES
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 PRODUCTION ENG RES filed Critical PRODUCTION ENG RES
Priority to GB8129823A priority Critical patent/GB2084783B/en
Publication of GB2084783A publication Critical patent/GB2084783A/en
Application granted granted Critical
Publication of GB2084783B publication Critical patent/GB2084783B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B27/00—Alarm systems in which the alarm condition is signalled from a central station to a plurality of substations
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems; Audible personal calling systems
    • G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
    • G08B3/1008—Personal calling arrangements or devices, i.e. paging systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Alarm Systems (AREA)
GB8129823A 1980-10-02 1981-10-02 Audio system Expired GB2084783B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8129823A GB2084783B (en) 1980-10-02 1981-10-02 Audio system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8031828 1980-10-02
GB8129823A GB2084783B (en) 1980-10-02 1981-10-02 Audio system

Publications (2)

Publication Number Publication Date
GB2084783A GB2084783A (en) 1982-04-15
GB2084783B true GB2084783B (en) 1985-06-19

Family

ID=26277084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8129823A Expired GB2084783B (en) 1980-10-02 1981-10-02 Audio system

Country Status (1)

Country Link
GB (1) GB2084783B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4644327A (en) * 1982-07-30 1987-02-17 National Research Development Corp. Methods for generating auditory indicators
DE3302321A1 (en) * 1982-11-13 1984-05-17 Drägerwerk AG, 2400 Lübeck MONITORING DEVICE FOR MEDICAL DEVICES
GB2160004B (en) * 1984-03-15 1988-03-30 Patrick Joseph Lally Improvements relating to audible warning devices
JPS61131189U (en) * 1985-02-01 1986-08-16
GB8710079D0 (en) * 1987-04-29 1987-06-03 Cruickshank W Warning devices
DE4422308C2 (en) * 1994-06-17 2000-01-13 Zoellner Gmbh Automatic rotten warning device
FR2742953B1 (en) * 1995-12-22 1998-01-23 Sagem BUZZER ORDERING PROCESS
US5887067A (en) * 1996-05-10 1999-03-23 General Signal Corporation Audio communication system for a life safety network
DE19738568C1 (en) * 1997-09-04 1999-03-11 Stein Gmbh Method and device for warning people
EP1414022A4 (en) * 2002-04-01 2005-06-08 Matsushita Electric Ind Co Ltd Annunciator
US8760271B2 (en) 2011-11-10 2014-06-24 Honeywell International Inc. Methods and systems to support auditory signal detection
FR3027148B1 (en) * 2014-10-08 2016-12-09 Serfim SITE SIGNALING AND GUIDING DEVICE FOR VISUAL DEFICIENT PERSON

Also Published As

Publication number Publication date
GB2084783A (en) 1982-04-15

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee