DE1548611C3 - - Google Patents
Info
- Publication number
- DE1548611C3 DE1548611C3 DE19661548611 DE1548611A DE1548611C3 DE 1548611 C3 DE1548611 C3 DE 1548611C3 DE 19661548611 DE19661548611 DE 19661548611 DE 1548611 A DE1548611 A DE 1548611A DE 1548611 C3 DE1548611 C3 DE 1548611C3
- Authority
- DE
- Germany
- Prior art keywords
- bridge
- signal
- measuring
- measuring bridge
- voltage
- Prior art date
- 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
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000007084 catalytic combustion reaction Methods 0.000 claims description 2
- 230000003111 delayed effect Effects 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000005728 strengthening Methods 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 description 7
- 238000012806 monitoring device Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- Electrochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Emergency Alarm Devices (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR19720A FR1446363A (fr) | 1965-06-04 | 1965-06-04 | Procédé et dispositif de déclenchement et d'alarme à pont de mesure |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1548611A1 DE1548611A1 (de) | 1970-09-24 |
| DE1548611B2 DE1548611B2 (de) | 1973-05-24 |
| DE1548611C3 true DE1548611C3 (OSRAM) | 1973-12-13 |
Family
ID=8581024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19661548611 Granted DE1548611B2 (de) | 1965-06-04 | 1966-06-02 | Verfahren und vorrichtung zum betaetigen einer schalteinrichtung mittels einer mit gleichstrom gespeisten messbruecke |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1548611B2 (OSRAM) |
| FR (1) | FR1446363A (OSRAM) |
| GB (1) | GB1155481A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2434389A1 (fr) * | 1978-08-25 | 1980-03-21 | Charbonnages De France | Appareil de mesure d'un constituant d'une atmosphere |
| FR2517062A1 (fr) * | 1981-11-20 | 1983-05-27 | Charbonnages De France | Procede d'interrogation d'un detecteur de teneur en gaz combustible, dispositif pour sa mise en oeuvre et application a la detection de la teneur en methane |
-
1965
- 1965-06-04 FR FR19720A patent/FR1446363A/fr not_active Expired
-
1966
- 1966-06-02 DE DE19661548611 patent/DE1548611B2/de active Granted
- 1966-06-03 GB GB2491666A patent/GB1155481A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1548611B2 (de) | 1973-05-24 |
| DE1548611A1 (de) | 1970-09-24 |
| GB1155481A (en) | 1969-06-18 |
| FR1446363A (fr) | 1966-07-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| E77 | Valid patent as to the heymanns-index 1977 | ||
| EHJ | Ceased/non-payment of the annual fee |