FR2086173A1 - - Google Patents
Info
- Publication number
- FR2086173A1 FR2086173A1 FR7113483A FR7113483A FR2086173A1 FR 2086173 A1 FR2086173 A1 FR 2086173A1 FR 7113483 A FR7113483 A FR 7113483A FR 7113483 A FR7113483 A FR 7113483A FR 2086173 A1 FR2086173 A1 FR 2086173A1
- 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
Links
Classifications
-
- 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
- G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
- Alarm Systems (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3266970 | 1970-04-18 | ||
| JP3384370A JPS4814519B1 (cs) | 1970-04-22 | 1970-04-22 | |
| JP7314270A JPS4929798B1 (cs) | 1970-08-22 | 1970-08-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2086173A1 true FR2086173A1 (cs) | 1971-12-31 |
| FR2086173B1 FR2086173B1 (cs) | 1975-01-17 |
Family
ID=27287807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7113483A Expired FR2086173B1 (cs) | 1970-04-18 | 1971-04-16 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3676877A (cs) |
| CA (1) | CA934842A (cs) |
| FR (1) | FR2086173B1 (cs) |
| GB (1) | GB1320489A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0694893A1 (fr) * | 1994-07-29 | 1996-01-31 | Jacques Lewiner | Dispositif de détection d'alarme à boucles de courant, et balise de repérage de sous-zones pour un tel dispositif |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE402660B (sv) * | 1970-11-12 | 1978-07-10 | Securitas Int Ab | Brandalarmanleggning |
| US3978461A (en) * | 1975-05-12 | 1976-08-31 | Firetek Corporation | Three wire detection circuit |
| DE2638068C3 (de) * | 1976-08-24 | 1986-11-13 | Siemens AG, 1000 Berlin und 8000 München | Brandmeldeanlage mit mehreren über eine Meldeschleife betreibbaren Meldern |
| DE2641489C2 (de) * | 1976-09-15 | 1984-05-30 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur Übertragung von Meßwerten in einem Brandmeldesystem |
| US4134111A (en) * | 1976-12-16 | 1979-01-09 | N.V. Tools Limited | Aerosol detector and method |
| US4091363A (en) * | 1977-01-03 | 1978-05-23 | Pittway Corporation | Self-contained fire detector with interconnection circuitry |
| US4385287A (en) * | 1979-12-07 | 1983-05-24 | Securicor Granley Systems Limited | Multiple alarm condition detection and signalling |
| US4349751A (en) * | 1980-02-11 | 1982-09-14 | Bell Telephone Laboratories, Incorporated | Control circuitry using a pull-down transistor for high voltage solid-state switches |
| US7447069B1 (en) | 1989-04-13 | 2008-11-04 | Sandisk Corporation | Flash EEprom system |
| DE69034227T2 (de) * | 1989-04-13 | 2007-05-03 | Sandisk Corp., Sunnyvale | EEprom-System mit Blocklöschung |
| US7190617B1 (en) * | 1989-04-13 | 2007-03-13 | Sandisk Corporation | Flash EEprom system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2900628A (en) * | 1956-01-27 | 1959-08-18 | Westinghouse Electric Corp | Multiple fault indicating system |
| US2987712A (en) * | 1957-09-12 | 1961-06-06 | Itt | Fault alarm system |
| US3500469A (en) * | 1966-02-11 | 1970-03-10 | Protection Controls Inc | Fault indicating system for a plurality of monitored devices |
| US3426217A (en) * | 1966-05-26 | 1969-02-04 | Us Army | Breakwire signal conditioner |
| US3527987A (en) * | 1967-10-23 | 1970-09-08 | Gen Electric | Monitor circuit for detecting the occurrence of one or more of a plurality of events in a system |
-
1971
- 1971-04-07 US US132039A patent/US3676877A/en not_active Expired - Lifetime
- 1971-04-16 CA CA110595A patent/CA934842A/en not_active Expired
- 1971-04-16 FR FR7113483A patent/FR2086173B1/fr not_active Expired
- 1971-04-19 GB GB2654671*A patent/GB1320489A/en not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0694893A1 (fr) * | 1994-07-29 | 1996-01-31 | Jacques Lewiner | Dispositif de détection d'alarme à boucles de courant, et balise de repérage de sous-zones pour un tel dispositif |
| FR2723234A1 (fr) * | 1994-07-29 | 1996-02-02 | Lewiner Jacques | Dispositif de detection d'alarme a boucles de courant, et balise de reperage de sous-zone pour un tel dispositif |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2118304A1 (de) | 1971-11-04 |
| FR2086173B1 (cs) | 1975-01-17 |
| GB1320489A (en) | 1973-06-13 |
| DE2118304B2 (de) | 1973-02-01 |
| US3676877A (en) | 1972-07-11 |
| CA934842A (en) | 1973-10-02 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |