JPS4820080Y1 - - Google Patents
Info
- Publication number
- JPS4820080Y1 JPS4820080Y1 JP1969015836U JP1583669U JPS4820080Y1 JP S4820080 Y1 JPS4820080 Y1 JP S4820080Y1 JP 1969015836 U JP1969015836 U JP 1969015836U JP 1583669 U JP1583669 U JP 1583669U JP S4820080 Y1 JPS4820080 Y1 JP S4820080Y1
- 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.)
- Expired
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
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- 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
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1969015836U JPS4820080Y1 (en) | 1969-02-22 | 1969-02-22 | |
| US10848A US3603954A (en) | 1969-02-22 | 1970-02-12 | Gas alarm device |
| FR7005973A FR2035655A5 (en) | 1969-02-22 | 1970-02-19 | |
| DE2007937A DE2007937C3 (en) | 1969-02-22 | 1970-02-20 | Gas detection element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1969015836U JPS4820080Y1 (en) | 1969-02-22 | 1969-02-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4820080Y1 true JPS4820080Y1 (en) | 1973-06-08 |
Family
ID=11899907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1969015836U Expired JPS4820080Y1 (en) | 1969-02-22 | 1969-02-22 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3603954A (en) |
| JP (1) | JPS4820080Y1 (en) |
| DE (1) | DE2007937C3 (en) |
| FR (1) | FR2035655A5 (en) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3772908A (en) * | 1969-02-06 | 1973-11-20 | New Cosmos Electric Co | Gas lighter testing device |
| US3732519A (en) * | 1970-09-23 | 1973-05-08 | N Taguchi | Semiconductor gas detecting device |
| JPS4953898A (en) * | 1972-07-11 | 1974-05-25 | ||
| US3864628A (en) * | 1973-05-29 | 1975-02-04 | Inst Gas Technology | Selective solid-state gas sensors and method |
| DE2337988B2 (en) * | 1973-07-24 | 1978-11-30 | C.S.S. Container Storage Service Establishment, Vaduz | Device for determining the alcohol content in the breath |
| JPS517995A (en) * | 1974-06-14 | 1976-01-22 | Hitachi Ltd | Gasusensa zairyo |
| US3933433A (en) * | 1974-12-18 | 1976-01-20 | Dynamation Enterprises, Inc. | Method and apparatus for gas detection |
| DE2628790C2 (en) * | 1976-06-26 | 1978-07-06 | Draegerwerk Ag, 2400 Luebeck | Gas measuring and warning device with a test tube through which the gas to be detected flows |
| GB1595421A (en) * | 1977-04-12 | 1981-08-12 | Lucas Industries Ltd | Device for minitoring the composition of the exhaust emission of a combustion process |
| JPS53141099A (en) * | 1977-05-13 | 1978-12-08 | Nippon Soken | Gas component detector |
| US4247299A (en) * | 1978-06-19 | 1981-01-27 | Johnson Controls, Inc. | Non-conductive polar gas sensing element and detection system |
| US4236307A (en) * | 1978-11-02 | 1980-12-02 | Johnson Controls Inc. | Method of making a nitrogen dioxide sensing element |
| EP0055624B1 (en) * | 1980-12-31 | 1985-11-21 | Geoffrey William Ball | Gas monitor |
| US4606219A (en) * | 1983-07-05 | 1986-08-19 | Crucible S.A. | Gas detectors |
| DE59009247D1 (en) * | 1990-07-04 | 1995-07-20 | Siemens Ag | Sensor for the detection of reducing gases. |
| US6173602B1 (en) | 1998-08-11 | 2001-01-16 | Patrick T. Moseley | Transition metal oxide gas sensor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3051895A (en) * | 1955-04-21 | 1962-08-28 | Robert L Carson | Gas detection |
| US3039053A (en) * | 1959-04-10 | 1962-06-12 | Mine Safety Appliances Co | Means and methods for gas detection |
| US3307613A (en) * | 1965-09-03 | 1967-03-07 | Honeywell Inc | Control apparatus |
-
1969
- 1969-02-22 JP JP1969015836U patent/JPS4820080Y1/ja not_active Expired
-
1970
- 1970-02-12 US US10848A patent/US3603954A/en not_active Expired - Lifetime
- 1970-02-19 FR FR7005973A patent/FR2035655A5/fr not_active Expired
- 1970-02-20 DE DE2007937A patent/DE2007937C3/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2007937A1 (en) | 1970-08-27 |
| DE2007937B2 (en) | 1975-01-02 |
| US3603954A (en) | 1971-09-07 |
| DE2007937C3 (en) | 1975-08-07 |
| FR2035655A5 (en) | 1970-12-18 |