DD105128A5 - - Google Patents
Info
- Publication number
- DD105128A5 DD105128A5 DD172624A DD17262473A DD105128A5 DD 105128 A5 DD105128 A5 DD 105128A5 DD 172624 A DD172624 A DD 172624A DD 17262473 A DD17262473 A DD 17262473A DD 105128 A5 DD105128 A5 DD 105128A5
- Authority
- DD
- German Democratic Republic
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
- G08B17/103—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
- G08B17/107—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 for detecting light-scattering due to smoke
-
- 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
- G08B17/113—Constructional details
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00282335A US3799670A (en) | 1972-08-21 | 1972-08-21 | Smoke detector |
Publications (1)
Publication Number | Publication Date |
---|---|
DD105128A5 true DD105128A5 (xx) | 1974-04-12 |
Family
ID=23081041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DD172624A DD105128A5 (xx) | 1972-08-21 | 1973-07-30 |
Country Status (12)
Country | Link |
---|---|
US (1) | US3799670A (xx) |
JP (1) | JPS4947098A (xx) |
AR (1) | AR196020A1 (xx) |
BR (1) | BR7304695D0 (xx) |
CS (1) | CS186220B2 (xx) |
DD (1) | DD105128A5 (xx) |
DE (1) | DE2338080C2 (xx) |
ES (1) | ES416667A1 (xx) |
FR (1) | FR2197467A5 (xx) |
GB (1) | GB1433821A (xx) |
IT (1) | IT992949B (xx) |
NL (1) | NL7309455A (xx) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3985453A (en) * | 1974-07-19 | 1976-10-12 | Matsushita Electric Works, Ltd. | Light scattering type smoke detector |
US4129383A (en) * | 1976-02-10 | 1978-12-12 | Chloride Incorporated | Smoke detector and housing assembly therefore |
JPS5926860U (ja) * | 1982-08-12 | 1984-02-20 | 東芝電池株式会社 | 電池収納ケ−ス |
DE3608393A1 (de) * | 1986-03-13 | 1987-09-17 | Preussag Ag Feuerschutz | Optischer rauchmelder |
AU667102B2 (en) * | 1992-05-14 | 1996-03-07 | Vision Systems Limited | Gas sampling point for smoke/pollution detection systems |
JPH07506671A (ja) * | 1992-05-14 | 1995-07-20 | ビジョン システムズ インコーポレイティド | 煙/汚染検知システムのためのガス試料採取先端部 |
US5665924A (en) * | 1992-05-14 | 1997-09-09 | I.E.I. Pty. Ltd. | Gas sampling point for smoke/pollution detection system |
DE4328671B4 (de) * | 1992-08-28 | 2005-02-17 | Hochiki K.K. | Streulichtrauchmelder |
US5719557A (en) * | 1994-05-19 | 1998-02-17 | Digital Security Controls Ltd. | Photoelectric smoke detector |
US5581241A (en) * | 1994-08-12 | 1996-12-03 | Voice Products Inc. | Ultra-sensitive smoke detector |
GB2309076B (en) * | 1996-01-10 | 1999-08-11 | Kidde Fire Protection Ltd | Particle separation and detection apparatus |
EP1368593B1 (en) * | 2001-03-10 | 2005-06-08 | Acbond Limited | Improvements in and relating to smoke detectors |
US7733486B2 (en) * | 2007-06-27 | 2010-06-08 | Venturedyne, Ltd. | Environmental sensor including a baffle |
EP3270362B1 (de) | 2017-02-07 | 2019-01-02 | Siemens Schweiz AG | Brandmelder mit einer messkammer und mit einem schaltungsträger zur gemeinsamen anordnung eines brandsensors der messkammer sowie zumindest eines weiteren sensors zur erfassung einer messgrösse in der umgebung ausserhalb des brandmelders |
CA3101356A1 (en) | 2018-05-29 | 2019-12-05 | Autronica Fire & Security As | Hazard detector socket |
CN108721803B (zh) * | 2018-07-16 | 2023-11-17 | 北方工程设计研究院有限公司 | 一种面向超高大屏蔽暗室的消防过壁平台 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1598941A1 (de) * | 1951-01-28 | 1971-02-25 | Pyrotector Gmbh | Lichtdichtes Gehaeuse fuer lichtoptische Nachweisvorrichtungen |
US3312826A (en) * | 1962-11-19 | 1967-04-04 | Sam M Finkle | Photoelectric smoke detector with ventilation induced by light source |
US3409885A (en) * | 1964-03-26 | 1968-11-05 | Guardian Industries | Smoke detection apparatus |
CH417405A (de) * | 1964-07-14 | 1966-07-15 | Cerberus Ag Werk Fuer Elektron | Vorrichtung zur Feststellung von Aerosolen in Luft |
US3460124A (en) * | 1966-06-06 | 1969-08-05 | Interstate Eng Corp | Smoke detector |
US3555532A (en) * | 1968-10-29 | 1971-01-12 | Graham Stuart Corp | Vapor or particle detection device |
US3708675A (en) * | 1969-09-19 | 1973-01-02 | Furukawa Electric Co Ltd | Smoke detector in which air entrance and egress are located in oppositely disposed surfaces which are shaped to cause an air velocity differential |
-
1972
- 1972-08-21 US US00282335A patent/US3799670A/en not_active Expired - Lifetime
-
1973
- 1973-04-18 JP JP48044005A patent/JPS4947098A/ja active Pending
- 1973-04-20 CS CS7300002903A patent/CS186220B2/cs unknown
- 1973-05-15 GB GB2317973A patent/GB1433821A/en not_active Expired
- 1973-05-22 FR FR7318543A patent/FR2197467A5/fr not_active Expired
- 1973-06-26 BR BR4695/73A patent/BR7304695D0/pt unknown
- 1973-07-06 ES ES416667A patent/ES416667A1/es not_active Expired
- 1973-07-06 NL NL7309455A patent/NL7309455A/xx unknown
- 1973-07-06 AR AR248954A patent/AR196020A1/es active
- 1973-07-26 DE DE2338080A patent/DE2338080C2/de not_active Expired
- 1973-07-30 DD DD172624A patent/DD105128A5/xx unknown
- 1973-08-14 IT IT27853/73A patent/IT992949B/it active
Also Published As
Publication number | Publication date |
---|---|
US3799670A (en) | 1974-03-26 |
DE2338080C2 (de) | 1984-11-29 |
BR7304695D0 (pt) | 1974-08-22 |
DE2338080A1 (de) | 1974-03-07 |
IT992949B (it) | 1975-09-30 |
AU5580273A (en) | 1974-11-21 |
JPS4947098A (xx) | 1974-05-07 |
ES416667A1 (es) | 1976-02-01 |
CS186220B2 (en) | 1978-11-30 |
AR196020A1 (es) | 1973-11-23 |
FR2197467A5 (xx) | 1974-03-22 |
NL7309455A (xx) | 1974-02-25 |
GB1433821A (xx) | 1976-04-28 |