BE620286A - - Google Patents
Info
- Publication number
- BE620286A BE620286A BE620286DA BE620286A BE 620286 A BE620286 A BE 620286A BE 620286D A BE620286D A BE 620286DA BE 620286 A BE620286 A BE 620286A
- Authority
- BE
- Belgium
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
- G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
- G01N27/16—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by burning or catalytic oxidation of surrounding material to be tested, e.g. of gas
-
- 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
- G08B17/117—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)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Business, Economics & Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB43186/60A GB1013682A (en) | 1960-12-15 | 1960-12-15 | Improvements in and relating to gas detecting apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE620286A true BE620286A (US07122603-20061017-C00203.png) | 1962-08-14 |
Family
ID=10427683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE620286D BE620286A (US07122603-20061017-C00203.png) | 1960-12-15 | 1962-07-16 |
Country Status (7)
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT266497B (de) * | 1963-09-12 | 1968-11-25 | Bosch Gmbh Robert | Elektrisches Meßgerät |
| DE1267884B (de) * | 1963-09-12 | 1968-05-09 | Bosch Gmbh Robert | Elektrisches Messgeraet fuer die werkstattmaessige Einstellung des Kraftstoff-Luft-Gemisches einer Brennkraftmaschine auf Abgasminimum |
| GB1048426A (en) * | 1963-10-22 | 1966-11-16 | English Electric Co Ltd | Improvements relating to potential difference detecting arrangements |
| JPS4724190U (US07122603-20061017-C00203.png) * | 1971-04-06 | 1972-11-17 | ||
| JPS4724189U (US07122603-20061017-C00203.png) * | 1971-04-06 | 1972-11-17 | ||
| JPS5014890U (US07122603-20061017-C00203.png) * | 1973-06-07 | 1975-02-17 | ||
| JPS5087558U (US07122603-20061017-C00203.png) * | 1973-12-14 | 1975-07-25 | ||
| JPS51120294A (en) * | 1975-04-14 | 1976-10-21 | Matsushita Electric Works Ltd | Gas detector |
| JPS5642612Y2 (US07122603-20061017-C00203.png) * | 1975-12-05 | 1981-10-05 | ||
| JPS5295494U (US07122603-20061017-C00203.png) * | 1976-01-14 | 1977-07-16 | ||
| JPS52150390U (US07122603-20061017-C00203.png) * | 1976-05-11 | 1977-11-15 | ||
| JPS5414282U (US07122603-20061017-C00203.png) * | 1977-06-30 | 1979-01-30 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE647724C (de) * | 1937-07-10 | Siemens & Halske Akt Ges | Signaleinrichtung mit Ein- und Rueckstellung vom Sender aus | |
| GB466390A (en) * | 1935-09-03 | 1937-05-27 | Hokushin Electric Works | Improvements in electrical devices for detecting a gas in a gaseous mixture and for determining the amount thereof |
| US2152439A (en) * | 1937-11-08 | 1939-03-28 | Power Patents Co | Method of and apparatus for analyzing gas |
| FR857503A (fr) * | 1938-08-09 | 1940-09-17 | Mine Safety Appliances Co | Perfectionnements aux appareils pour l'essai des gaz au point de vue des constituants combustibles |
| US2273981A (en) * | 1938-11-10 | 1942-02-24 | Cities Service Oil Co | Analysis of gases |
| US2349250A (en) * | 1939-10-09 | 1944-05-23 | Phillips Petroleum Co | Gas detection |
| CH249161A (fr) * | 1943-02-26 | 1947-06-15 | Poole Ralph | Appareil pour la détection de gaz qui forment avec l'air des mélanges explosifs. |
| GB589691A (en) * | 1945-03-27 | 1947-06-26 | Ralph Poole | Improvements in or relating to apparatus for detecting the presence of explosive or other dangerous gases |
| US2535133A (en) * | 1947-08-28 | 1950-12-26 | Honeywell Regulator Co | Limit control apparatus |
| DE898089C (de) * | 1948-10-02 | 1953-11-26 | Physikalisches Untersuchungsla | Messvorrichtung zur qualitativen oder quantitativen Untersuchung stroemungsfaehiger Medien |
| US2759354A (en) * | 1950-09-26 | 1956-08-21 | Leeds & Northrup Co | Isothermal systems for gas analysis |
| US2768069A (en) * | 1952-06-05 | 1956-10-23 | Factory Mutual Res Corp | Combustible gas detector |
| FR1065924A (fr) * | 1952-11-05 | 1954-05-31 | Charbonnages De France | Procédé et dispositif pour la détection de gaz combustibles |
| US2828450A (en) * | 1955-05-09 | 1958-03-25 | Honeywell Regulator Co | Transistor controller |
| US2879142A (en) * | 1955-09-21 | 1959-03-24 | Mine Safety Appliances Co | Combustible gas detector |
| US2945133A (en) * | 1955-11-14 | 1960-07-12 | Honeywell Regulator Co | Transistor circuit |
| US2879663A (en) * | 1955-11-25 | 1959-03-31 | Cons Edison Co New York Inc | Mobile gas detecting apparatus |
| DE1719993U (de) * | 1955-11-30 | 1956-04-05 | Charbonnages De France | Quantitativ arbeitendes pruefgeraet fuer brennbare gase. |
| GB802307A (en) * | 1956-12-19 | 1958-10-01 | Philco Corp | Improvements in or relating to electrical circuits utilizing transistors |
| US2960657A (en) * | 1957-04-08 | 1960-11-15 | Newcomb Electronics Corp | Circuit monitor |
| GB835933A (en) * | 1957-04-11 | 1960-05-25 | Coal Industry Patents Ltd | Improvements in and relating to apparatus for detecting carbon monoxide |
| US2917731A (en) * | 1958-05-23 | 1959-12-15 | George H Rodgers | Multiple indicator system with resettable warning signal |
| US3041477A (en) * | 1958-08-08 | 1962-06-26 | Budts Lucien | Multivibrator circuit arrangement |
-
1960
- 1960-12-15 GB GB43186/60A patent/GB1013682A/en not_active Expired
-
1961
- 1961-11-30 US US156011A patent/US3233233A/en not_active Expired - Lifetime
- 1961-12-08 FR FR881401A patent/FR1308844A/fr not_active Expired
- 1961-12-11 NL NL272391D patent/NL272391A/xx unknown
- 1961-12-15 DE DEE22130A patent/DE1203022B/de active Pending
-
1962
- 1962-07-16 BE BE620286D patent/BE620286A/xx unknown
-
1964
- 1964-01-02 JP JP1964085209U patent/JPS4311760Y1/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1013682A (en) | 1965-12-15 |
| US3233233A (en) | 1966-02-01 |
| NL272391A (US07122603-20061017-C00203.png) | 1964-08-25 |
| DE1203022B (de) | 1965-10-14 |
| JPS4311760Y1 (US07122603-20061017-C00203.png) | 1968-05-21 |
| FR1308844A (fr) | 1962-11-09 |
