CH577221A5 - - Google Patents
Info
- Publication number
- CH577221A5 CH577221A5 CH1570974A CH1570974A CH577221A5 CH 577221 A5 CH577221 A5 CH 577221A5 CH 1570974 A CH1570974 A CH 1570974A CH 1570974 A CH1570974 A CH 1570974A CH 577221 A5 CH577221 A5 CH 577221A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
-
- 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
- G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7316093A SE369636B (https=) | 1973-11-28 | 1973-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH577221A5 true CH577221A5 (https=) | 1976-06-30 |
Family
ID=20319229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1570974A CH577221A5 (https=) | 1973-11-28 | 1974-11-27 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3973192A (https=) |
| CH (1) | CH577221A5 (https=) |
| DE (1) | DE2455003B2 (https=) |
| FR (1) | FR2252617B1 (https=) |
| GB (1) | GB1484172A (https=) |
| IT (1) | IT1026569B (https=) |
| NO (1) | NO133342C (https=) |
| SE (1) | SE369636B (https=) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2044935B (en) | 1979-03-21 | 1983-12-21 | Fulmer Res Inst Ltd | Abrasion testing |
| US4423407A (en) * | 1981-02-27 | 1983-12-27 | Dart Industries Inc. | Apparatus and method for measuring the concentration of gases |
| US4502321A (en) * | 1981-02-27 | 1985-03-05 | Capital Controls | Apparatus and method for measuring the concentration of gases |
| US5466605A (en) * | 1993-03-15 | 1995-11-14 | Arizona Board Of Regents | Method for detection of chemical components |
| US5985673A (en) * | 1994-12-22 | 1999-11-16 | Arizona Baord Of Regents | Method for regeneration of a sensor |
| DE10130608A1 (de) * | 2001-06-26 | 2003-01-09 | Bsh Bosch Siemens Hausgeraete | Brandschutzeinrichtung für Haushaltgeräte |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2369499A (en) * | 1945-02-13 | Apparatus fob measuring rate of | ||
| US3820958A (en) * | 1973-01-29 | 1974-06-28 | Dow Chemical Co | Hydrogen sulfide monitor |
-
1973
- 1973-11-28 SE SE7316093A patent/SE369636B/xx unknown
-
1974
- 1974-11-05 US US05/520,969 patent/US3973192A/en not_active Expired - Lifetime
- 1974-11-20 DE DE2455003A patent/DE2455003B2/de active Granted
- 1974-11-21 GB GB50584/74A patent/GB1484172A/en not_active Expired
- 1974-11-25 FR FR7438559A patent/FR2252617B1/fr not_active Expired
- 1974-11-27 IT IT29898/74A patent/IT1026569B/it active
- 1974-11-27 NO NO744274A patent/NO133342C/no unknown
- 1974-11-27 CH CH1570974A patent/CH577221A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| IT1026569B (it) | 1978-10-20 |
| FR2252617B1 (https=) | 1978-06-16 |
| NO744274L (https=) | 1975-06-23 |
| DE2455003A1 (de) | 1975-06-12 |
| SE369636B (https=) | 1974-09-09 |
| FR2252617A1 (https=) | 1975-06-20 |
| GB1484172A (en) | 1977-09-01 |
| US3973192A (en) | 1976-08-03 |
| NO133342C (https=) | 1976-04-21 |
| DE2455003B2 (de) | 1975-12-18 |
| NO133342B (https=) | 1976-01-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |