SE7910424L - Gasmetgivare av halvledartyp - Google Patents
Gasmetgivare av halvledartypInfo
- Publication number
- SE7910424L SE7910424L SE7910424A SE7910424A SE7910424L SE 7910424 L SE7910424 L SE 7910424L SE 7910424 A SE7910424 A SE 7910424A SE 7910424 A SE7910424 A SE 7910424A SE 7910424 L SE7910424 L SE 7910424L
- Authority
- SE
- Sweden
- Prior art keywords
- gas sensor
- type gas
- summer type
- summer
- sensor
- Prior art date
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
- G01N27/122—Circuits particularly adapted therefor, e.g. linearising circuits
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
- G05D23/1913—Control of temperature characterised by the use of electric means using an analogue comparing device delivering a series of pulses
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2908911 | 1979-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE7910424L true SE7910424L (sv) | 1980-09-08 |
Family
ID=6064729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7910424A SE7910424L (sv) | 1979-03-07 | 1979-12-18 | Gasmetgivare av halvledartyp |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS55143435A (xx) |
| FR (1) | FR2451029A1 (xx) |
| GB (1) | GB2044491A (xx) |
| NL (1) | NL7908932A (xx) |
| SE (1) | SE7910424L (xx) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4467182A (en) * | 1981-09-16 | 1984-08-21 | Nordson Corporation | Control circuit |
| DE3431373A1 (de) * | 1984-08-25 | 1986-03-06 | Hölter, Heinz, Dipl.-Ing., 4390 Gladbeck | Schadstoffsensor fuer kraftfahrzeuge, arbeitsschutzkabinen usw. |
| EP0231231B1 (de) * | 1985-07-19 | 1990-09-19 | Hölter, Heinz, Dipl.-Ing. | Verfahren zur schadstoffindikation für die einer dem aufenthalt von personen dienenden kabine od.dgl. zugeführten luft |
| EP0354486A3 (de) * | 1988-08-12 | 1990-08-01 | E.T.R. Elektronik Technologie Rump Gmbh | Vorrichtung zur Durchführung eines Verfahrens zum Zwecke der Identifizierung und Quantifizierung unbekannter gasförmiger Substanzen |
| US5886614A (en) * | 1997-04-11 | 1999-03-23 | General Motors Corporation | Thin film hydrogen sensor |
| US20060199271A1 (en) * | 2005-03-07 | 2006-09-07 | Ming-Ren Lian | Temperature feedback control for solid state gas sensors |
-
1979
- 1979-12-12 NL NL7908932A patent/NL7908932A/nl not_active Application Discontinuation
- 1979-12-18 SE SE7910424A patent/SE7910424L/xx unknown
-
1980
- 1980-02-20 GB GB8005658A patent/GB2044491A/en not_active Withdrawn
- 1980-03-04 JP JP2620280A patent/JPS55143435A/ja active Pending
- 1980-03-05 FR FR8005265A patent/FR2451029A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL7908932A (nl) | 1980-09-09 |
| FR2451029A1 (fr) | 1980-10-03 |
| JPS55143435A (en) | 1980-11-08 |
| GB2044491A (en) | 1980-10-15 |
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