FR2083678B1 - - Google Patents
Info
- Publication number
- FR2083678B1 FR2083678B1 FR7109468A FR7109468A FR2083678B1 FR 2083678 B1 FR2083678 B1 FR 2083678B1 FR 7109468 A FR7109468 A FR 7109468A FR 7109468 A FR7109468 A FR 7109468A FR 2083678 B1 FR2083678 B1 FR 2083678B1
- 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.)
- Expired
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
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2684270 | 1970-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2083678A1 FR2083678A1 (fr) | 1971-12-17 |
| FR2083678B1 true FR2083678B1 (fr) | 1974-10-31 |
Family
ID=12204508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7109468A Expired FR2083678B1 (fr) | 1970-03-31 | 1971-03-18 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3778796A (fr) |
| CA (1) | CA939778A (fr) |
| DE (1) | DE2115759B2 (fr) |
| FR (1) | FR2083678B1 (fr) |
| GB (1) | GB1320651A (fr) |
| ZA (1) | ZA71780B (fr) |
Families Citing this family (9)
| 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 (sv) * | 1982-04-23 | 1983-10-24 | Ericsson Telefon Ab L M | Forfarande och anordning for att i en slingkrets med ett forutbestemt antal parallellkopplade detektorer identifiera en larmande detektor |
| EP0362985B2 (fr) * | 1988-09-05 | 1998-10-14 | Apollo Fire Detectors Limited | Dispositif d'indexation pour identifier des détecteurs d'incendie |
| 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 (fr) * | 2006-02-24 | 2008-11-21 | Airbus France Sas | Systeme de detection d'incendie et aeronef equipe d'un tel systeme |
| US20090322526A1 (en) * | 2008-06-25 | 2009-12-31 | Lontka Karen D | Arrangement and method for communicating with notification appliances |
Family Cites Families (8)
| 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 |
| FR983536A (fr) * | 1949-02-03 | 1951-06-25 | Installation radio-électrique de sécurité | |
| US2662933A (en) * | 1951-04-26 | 1953-12-15 | Bell Telephone Labor Inc | Multiplex carrier telegraph system |
| NL108575C (fr) * | 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 (de) * | 1966-05-09 | 1969-05-31 | Cerberus Ag Werk Fuer Elektron | Verfahren zur Betriebsüberwachung von Feuermeldern |
-
1971
- 1971-02-08 ZA ZA710780A patent/ZA71780B/xx unknown
- 1971-03-02 US US00120178A patent/US3778796A/en not_active Expired - Lifetime
- 1971-03-18 FR FR7109468A patent/FR2083678B1/fr not_active Expired
- 1971-03-31 CA CA109,276A patent/CA939778A/en not_active Expired
- 1971-03-31 DE DE19712115759 patent/DE2115759B2/de active Pending
- 1971-04-19 GB GB2523571*A patent/GB1320651A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA71780B (en) | 1971-10-27 |
| CA939778A (en) | 1974-01-08 |
| GB1320651A (en) | 1973-06-20 |
| US3778796A (en) | 1973-12-11 |
| FR2083678A1 (fr) | 1971-12-17 |
| DE2115759B2 (de) | 1973-02-01 |
| DE2115759A1 (de) | 1971-10-28 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |