FR978443A - Régulateur radio-électrique de concentration saline - Google Patents
Régulateur radio-électrique de concentration salineInfo
- Publication number
- FR978443A FR978443A FR978443DA FR978443A FR 978443 A FR978443 A FR 978443A FR 978443D A FR978443D A FR 978443DA FR 978443 A FR978443 A FR 978443A
- Authority
- FR
- France
- Prior art keywords
- radio
- salt concentration
- concentration regulator
- electric salt
- electric
- 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
- 150000003839 salts Chemical class 0.000 title 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
- G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR978443T | 1942-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR978443A true FR978443A (fr) | 1951-04-13 |
Family
ID=9520477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR978443D Expired FR978443A (fr) | 1942-09-04 | 1942-09-04 | Régulateur radio-électrique de concentration saline |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR978443A (fr) |
-
1942
- 1942-09-04 FR FR978443D patent/FR978443A/fr not_active Expired
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