JPS58500091A - 電子警報システム - Google Patents

電子警報システム

Info

Publication number
JPS58500091A
JPS58500091A JP57500628A JP50062882A JPS58500091A JP S58500091 A JPS58500091 A JP S58500091A JP 57500628 A JP57500628 A JP 57500628A JP 50062882 A JP50062882 A JP 50062882A JP S58500091 A JPS58500091 A JP S58500091A
Authority
JP
Japan
Prior art keywords
loudspeaker
alarm
signal
signal generator
loudspeakers
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.)
Pending
Application number
JP57500628A
Other languages
English (en)
Japanese (ja)
Inventor
コツペン・アンソニ−・ロ−ランド
フオ−ス・ロジヤ−
Original Assignee
ブル−・サ−クル・インダストリ−ス・パブリツク・リミテツド・カンパニ−
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 ブル−・サ−クル・インダストリ−ス・パブリツク・リミテツド・カンパニ− filed Critical ブル−・サ−クル・インダストリ−ス・パブリツク・リミテツド・カンパニ−
Publication of JPS58500091A publication Critical patent/JPS58500091A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B3/00—Audible signalling systems, e.g. audible personal calling systems
    • G08B3/10—Audible signalling systems, e.g. audible personal calling systems using electric transmission; using electromagnetic transmission
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)
  • Burglar Alarm Systems (AREA)
JP57500628A 1981-02-18 1982-02-18 電子警報システム Pending JPS58500091A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8105012 1981-02-18
GB000008105012 1981-02-18

Publications (1)

Publication Number Publication Date
JPS58500091A true JPS58500091A (ja) 1983-01-13

Family

ID=10519771

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57500628A Pending JPS58500091A (ja) 1981-02-18 1982-02-18 電子警報システム

Country Status (6)

Country Link
EP (1) EP0072825A1 (da)
JP (1) JPS58500091A (da)
AU (1) AU8140182A (da)
DK (1) DK455582A (da)
GB (1) GB2107908A (da)
WO (1) WO1982002971A1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6362097A (ja) * 1986-09-03 1988-03-18 株式会社日立製作所 プラントの音声自動通報装置
AUPM282493A0 (en) * 1993-12-06 1994-01-06 Robert Bosch (Australia) Proprietary Ltd. A siren unit
US5887067A (en) * 1996-05-10 1999-03-23 General Signal Corporation Audio communication system for a life safety network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3579233A (en) * 1969-01-27 1971-05-18 Bullard Co Ambient noise frequency responsive audible vehicle alarm
US3683346A (en) * 1971-03-01 1972-08-08 Charles A Horton Variable-tone electronic alarm system
US3739278A (en) * 1971-06-29 1973-06-12 Gautney & Jones Receiver demuting arrangement employing sequential binary code
FR2413730A1 (fr) * 1977-12-28 1979-07-27 Accumulateurs Fixes Dispositif de commande d'un avertisseur electronique

Also Published As

Publication number Publication date
WO1982002971A1 (en) 1982-09-02
GB2107908A (en) 1983-05-05
AU8140182A (en) 1982-09-14
EP0072825A1 (en) 1983-03-02
DK455582A (da) 1982-10-14

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