CH506147A - Elektrische Branddetektoreinrichtung - Google Patents
Elektrische BranddetektoreinrichtungInfo
- Publication number
- CH506147A CH506147A CH307169A CH307169A CH506147A CH 506147 A CH506147 A CH 506147A CH 307169 A CH307169 A CH 307169A CH 307169 A CH307169 A CH 307169A CH 506147 A CH506147 A CH 506147A
- Authority
- CH
- Switzerland
- Prior art keywords
- sensor
- circuit
- alarm
- arrangement
- dependent
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/183—Single detectors using dual technologies
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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 SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL 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
- G08B17/113—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70941568A | 1968-02-29 | 1968-02-29 | |
| US75108668A | 1968-08-08 | 1968-08-08 | |
| US77548468A | 1968-11-13 | 1968-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH506147A true CH506147A (de) | 1971-04-15 |
Family
ID=27418858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH307169A CH506147A (de) | 1968-02-29 | 1969-02-28 | Elektrische Branddetektoreinrichtung |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE741650A (enExample) |
| CH (1) | CH506147A (enExample) |
| NL (1) | NL6903185A (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2628146A1 (de) * | 1975-06-23 | 1977-01-20 | Pyrotector Inc | Rauchgasanzeiger |
| US4975684A (en) * | 1988-06-10 | 1990-12-04 | Cerberus Ag | Fire detecting system |
| EP2759994A3 (de) * | 2013-01-23 | 2018-04-11 | Robert Bosch Gmbh | Brandmelder |
-
1969
- 1969-02-28 NL NL6903185A patent/NL6903185A/xx unknown
- 1969-02-28 CH CH307169A patent/CH506147A/de not_active IP Right Cessation
- 1969-11-13 BE BE741650D patent/BE741650A/xx unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2628146A1 (de) * | 1975-06-23 | 1977-01-20 | Pyrotector Inc | Rauchgasanzeiger |
| US4975684A (en) * | 1988-06-10 | 1990-12-04 | Cerberus Ag | Fire detecting system |
| EP2759994A3 (de) * | 2013-01-23 | 2018-04-11 | Robert Bosch Gmbh | Brandmelder |
Also Published As
| Publication number | Publication date |
|---|---|
| BE741650A (enExample) | 1970-04-16 |
| NL6903185A (enExample) | 1969-09-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |