JPS5441919B1 - - Google Patents
Info
- Publication number
- JPS5441919B1 JPS5441919B1 JP7005372A JP7005372A JPS5441919B1 JP S5441919 B1 JPS5441919 B1 JP S5441919B1 JP 7005372 A JP7005372 A JP 7005372A JP 7005372 A JP7005372 A JP 7005372A JP S5441919 B1 JPS5441919 B1 JP S5441919B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/403—Cells and electrode assemblies
- G01N27/404—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors
- G01N27/4045—Cells with anode, cathode and cell electrolyte on the same side of a permeable membrane which separates them from the sample fluid, e.g. Clark-type oxygen sensors for gases other than oxygen
-
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1043771 | 1971-07-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5441919B1 true JPS5441919B1 (en) | 1979-12-11 |
Family
ID=4363225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7005372A Pending JPS5441919B1 (en) | 1971-07-15 | 1972-07-14 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3755800A (en) |
| JP (1) | JPS5441919B1 (en) |
| CH (1) | CH546988A (en) |
| DE (1) | DE2225708A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3950980A (en) * | 1974-03-27 | 1976-04-20 | Minnesota Mining And Manufacturing Company | Vapor sampling device |
| US4040805A (en) * | 1976-10-22 | 1977-08-09 | Board Of Supervisors Louisiana State University Agricultural And Mechanical College | Personal monitoring device, or dosimeter, for measuring exposure of personnel to organic vapors |
| US4228400A (en) * | 1978-03-28 | 1980-10-14 | Research Corporation | Conductometric gas analysis cell |
| US4713164A (en) * | 1985-07-25 | 1987-12-15 | Confidence Corporation | Apparatus for analyzing malodors in the breath |
| US4744954A (en) * | 1986-07-11 | 1988-05-17 | Allied-Signal Inc. | Amperometric gas sensor containing a solid electrolyte |
| DE10355710A1 (en) * | 2003-11-28 | 2005-07-07 | Drägerwerk AG | Voltage generator for a semiconductor circuit |
| DE102007057519A1 (en) * | 2007-11-29 | 2009-10-01 | Siemens Ag | Gas sensor with low power consumption |
| FR3000268B1 (en) * | 2012-12-21 | 2016-03-25 | Finsecur | SMOKE DETECTION DEVICE |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2114401A (en) * | 1936-07-15 | 1938-04-19 | Mine Safety Appliances Co | Gas testing |
| US2508588A (en) * | 1947-01-28 | 1950-05-23 | Bendix Aviat Corp | Protective apparatus |
| NL260653A (en) * | 1960-02-05 | |||
| US3479257A (en) * | 1966-11-25 | 1969-11-18 | Gen Electric | Methods and apparatus for measuring the content of hydrogen or reducing gases in an atmosphere |
-
1971
- 1971-07-15 CH CH1043771A patent/CH546988A/en not_active IP Right Cessation
-
1972
- 1972-05-26 DE DE2225708A patent/DE2225708A1/en active Pending
- 1972-07-10 US US00270479A patent/US3755800A/en not_active Expired - Lifetime
- 1972-07-14 JP JP7005372A patent/JPS5441919B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH546988A (en) | 1974-03-15 |
| DE2225708A1 (en) | 1973-02-01 |
| US3755800A (en) | 1973-08-28 |