DK455582A - ELECTRONIC ALARMS - Google Patents

ELECTRONIC ALARMS Download PDF

Info

Publication number
DK455582A
DK455582A DK455582A DK455582A DK455582A DK 455582 A DK455582 A DK 455582A DK 455582 A DK455582 A DK 455582A DK 455582 A DK455582 A DK 455582A DK 455582 A DK455582 A DK 455582A
Authority
DK
Denmark
Prior art keywords
electronic alarms
alarms
electronic
Prior art date
Application number
DK455582A
Other languages
Danish (da)
Inventor
Anthony Roland Coppen
Roger Force
Original Assignee
Blue Circle Ind Plc
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 Blue Circle Ind Plc filed Critical Blue Circle Ind Plc
Publication of DK455582A publication Critical patent/DK455582A/en

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

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)
DK455582A 1981-02-18 1982-10-14 ELECTRONIC ALARMS DK455582A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8105012 1981-02-18
PCT/GB1982/000042 WO1982002971A1 (en) 1981-02-18 1982-02-18 Electronic warning system

Publications (1)

Publication Number Publication Date
DK455582A true DK455582A (en) 1982-10-14

Family

ID=10519771

Family Applications (1)

Application Number Title Priority Date Filing Date
DK455582A DK455582A (en) 1981-02-18 1982-10-14 ELECTRONIC ALARMS

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6362097A (en) * 1986-09-03 1988-03-18 株式会社日立製作所 Automatic voice communicator for plant
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 (en) * 1977-12-28 1979-07-27 Accumulateurs Fixes ELECTRONIC HORN CONTROL DEVICE

Also Published As

Publication number Publication date
GB2107908A (en) 1983-05-05
EP0072825A1 (en) 1983-03-02
WO1982002971A1 (en) 1982-09-02
AU8140182A (en) 1982-09-14
JPS58500091A (en) 1983-01-13

Similar Documents

Publication Publication Date Title
ATA319682A (en) ELECTRONIC DEVICE
FR2505658B1 (en) BREATHING CIRCUIT
BR8206114A (en) ELECTRONIC PERCUSION SYNTHESIZER
FR2501377B1 (en) ELECTRONIC WATTHEMETER
FI823709L (en) Circuit arrangement
AT383903B (en) CIRCUIT ARRANGEMENT
KR840000815U (en) Electronic switchgear
DK455582A (en) ELECTRONIC ALARMS
FI823699A0 (en) ELECTRONIC MANAGEMENT
FI822593L (en) ELECTRONIC BYGGDELAR
FI830771L (en) ELECTRONIC VAOG
AT379923B (en) ELECTRONIC TIMER
IT1196106B (en) ALARM DEVICE
KR830003289U (en) Electronic device
IT8106801A0 (en) SEISMO ALARM
BR8106935A (en) ALARM
BR8002317A (en) ELECTRONIC ALARM
DK490782A (en) ELECTRONIC CONNECTION
BR6100898U (en) PORTABLE ELECTRONIC ALARM CONSTRUCTIVE ARRANGEMENT
RO82218A2 (en) ELECTRONIC HUMIDMETER
BR8105561A (en) ELECTRONIC GEOPHONE
BR8107690A (en) ALARM EQUIPMENT
BR8107332A (en) ELECTRONIC JEWELRY
ES256495Y (en) SLEEP ALARM
BR8104462A (en) ALARM DEVICE

Legal Events

Date Code Title Description
ATS Application withdrawn