DE268738C - - Google Patents
Info
- Publication number
- DE268738C DE268738C DENDAT268738D DE268738DA DE268738C DE 268738 C DE268738 C DE 268738C DE NDAT268738 D DENDAT268738 D DE NDAT268738D DE 268738D A DE268738D A DE 268738DA DE 268738 C DE268738 C DE 268738C
- Authority
- DE
- Germany
- Prior art keywords
- spark gap
- firedamp
- wire
- attached
- pole terminals
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 claims description 2
- 239000002360 explosive Substances 0.000 claims 1
- 239000007789 gas Substances 0.000 claims 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000010892 electric spark Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/66—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence
- G01N21/69—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light electrically excited, e.g. electroluminescence specially adapted for fluids, e.g. molten metal
Landscapes
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Spark Plugs (AREA)
- Treatment Of Fiber Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191315064T | 1913-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE268738C true DE268738C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=32645383
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT268737D Active DE268737C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1913-06-30 | ||
| DENDAT268738D Active DE268738C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1913-06-30 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT268737D Active DE268737C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1913-06-30 |
Country Status (2)
| Country | Link |
|---|---|
| DE (2) | DE268738C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| GB (1) | GB191315064A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
0
- DE DENDAT268737D patent/DE268737C/de active Active
- DE DENDAT268738D patent/DE268738C/de active Active
-
1913
- 1913-06-30 GB GB191315064D patent/GB191315064A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE268737C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| GB191315064A (en) | 1914-06-30 |
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