DE225664C - - Google Patents
Info
- Publication number
- DE225664C DE225664C DENDAT225664D DE225664DA DE225664C DE 225664 C DE225664 C DE 225664C DE NDAT225664 D DENDAT225664 D DE NDAT225664D DE 225664D A DE225664D A DE 225664DA DE 225664 C DE225664 C DE 225664C
- Authority
- DE
- Germany
- Prior art keywords
- lamp
- relay
- selenium cell
- light intensity
- contact
- 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
- 239000007789 gas Substances 0.000 claims description 18
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 14
- 229910052711 selenium Inorganic materials 0.000 claims description 14
- 239000011669 selenium Substances 0.000 claims description 14
- 230000007423 decrease Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 241000131971 Bradyrhizobiaceae Species 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
- G01N21/71—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited
- G01N21/72—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light thermally excited using flame burners
Landscapes
- Health & Medical Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Feeding And Controlling Fuel (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE191009543X | 1909-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE225664C true DE225664C (cs) |
Family
ID=33442483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT225664D Active DE225664C (cs) | 1909-04-27 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE225664C (cs) |
| FR (1) | FR415132A (cs) |
| GB (1) | GB191009543A (cs) |
-
0
- FR FR415132D patent/FR415132A/fr active Active
- DE DENDAT225664D patent/DE225664C/de active Active
-
1910
- 1910-04-20 GB GB191009543D patent/GB191009543A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR415132A (cs) | |
| GB191009543A (en) | 1910-07-21 |
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