FR2083678A1 - - Google Patents

Info

Publication number
FR2083678A1
FR2083678A1 FR7109468A FR7109468A FR2083678A1 FR 2083678 A1 FR2083678 A1 FR 2083678A1 FR 7109468 A FR7109468 A FR 7109468A FR 7109468 A FR7109468 A FR 7109468A FR 2083678 A1 FR2083678 A1 FR 2083678A1
Authority
FR
France
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
FR7109468A
Other languages
French (fr)
Other versions
FR2083678B1 (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.)
Nittan Co Ltd
Original Assignee
Nittan Co 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 Nittan Co Ltd filed Critical Nittan Co Ltd
Publication of FR2083678A1 publication Critical patent/FR2083678A1/fr
Application granted granted Critical
Publication of FR2083678B1 publication Critical patent/FR2083678B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
FR7109468A 1970-03-31 1971-03-18 Expired FR2083678B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2684270 1970-03-31

Publications (2)

Publication Number Publication Date
FR2083678A1 true FR2083678A1 (en) 1971-12-17
FR2083678B1 FR2083678B1 (en) 1974-10-31

Family

ID=12204508

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7109468A Expired FR2083678B1 (en) 1970-03-31 1971-03-18

Country Status (6)

Country Link
US (1) US3778796A (en)
CA (1) CA939778A (en)
DE (1) DE2115759B2 (en)
FR (1) FR2083678B1 (en)
GB (1) GB1320651A (en)
ZA (1) ZA71780B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946374A (en) * 1970-08-13 1976-03-23 Sci Systems, Inc. Rate-of-change combustion and contamination detection device
CA1014675A (en) * 1973-03-19 1977-07-26 Frank W. Emerson Emergency alarm system
US4287515A (en) * 1979-04-27 1981-09-01 Baker Industries, Inc. Fire detection system with multiple output signals
SE8202566L (en) * 1982-04-23 1983-10-24 Ericsson Telefon Ab L M PROCEDURE AND DEVICE FOR IDENTIFYING AN ALARMING DETECTOR IN A CIRCUIT WITH A PRESET NUMBER OF PARALLEL CONNECTED DETECTORS
DE68917405D1 (en) 1988-09-05 1994-09-15 Apollo Fire Detectors Ltd Arrangement for setting markings for identification of a fire detector.
GB2321747B (en) * 1997-01-30 2000-10-18 Rafiki Protection Limited Alarm system
US5889468A (en) * 1997-11-10 1999-03-30 Banga; William Robert Extra security smoke alarm system
FR2897968B1 (en) * 2006-02-24 2008-11-21 Airbus France Sas FIRE DETECTION SYSTEM AND AIRCRAFT EQUIPPED WITH SUCH A SYSTEM
US20090322526A1 (en) * 2008-06-25 2009-12-31 Lontka Karen D Arrangement and method for communicating with notification appliances

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR983536A (en) * 1949-02-03 1951-06-25 Safety radio installation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607220A (en) * 1947-04-14 1952-08-19 Philip W Martin Means for measuring conditions in deep wells
US2662933A (en) * 1951-04-26 1953-12-15 Bell Telephone Labor Inc Multiplex carrier telegraph system
NL108575C (en) * 1957-02-19
US3388389A (en) * 1964-06-09 1968-06-11 Davis Foreman Alarm systems
US3357009A (en) * 1964-12-14 1967-12-05 Miller Peter Condition-responsive system for impressing distinctive frequency alarm tone on transmission line
US3484775A (en) * 1965-10-20 1969-12-16 Wallace Dean Cline Theft prevention system
CH473431A (en) * 1966-05-09 1969-05-31 Cerberus Ag Werk Fuer Elektron Procedure for monitoring the operation of fire alarms

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR983536A (en) * 1949-02-03 1951-06-25 Safety radio installation

Also Published As

Publication number Publication date
DE2115759A1 (en) 1971-10-28
CA939778A (en) 1974-01-08
DE2115759B2 (en) 1973-02-01
GB1320651A (en) 1973-06-20
ZA71780B (en) 1971-10-27
US3778796A (en) 1973-12-11
FR2083678B1 (en) 1974-10-31

Similar Documents

Publication Publication Date Title
AR204384A1 (en)
FR2083678B1 (en)
AU465402B2 (en)
ATA96471A (en)
AU1473870A (en)
AU1146470A (en)
AU2130570A (en)
AU1833270A (en)
AU1336970A (en)
AU1716970A (en)
AU1517670A (en)
AU1326870A (en)
AR195465A1 (en)
AU1343870A (en)
AU1064870A (en)
AU1328670A (en)
AU2115870A (en)
AU2119370A (en)
AU1277070A (en)
AU1083170A (en)
AU1247570A (en)
AU1235770A (en)
AU1189670A (en)
AU1689770A (en)
AU1969370A (en)

Legal Events

Date Code Title Description
ST Notification of lapse