FR713979A - Cohéreur - Google Patents
CohéreurInfo
- Publication number
- FR713979A FR713979A FR713979DA FR713979A FR 713979 A FR713979 A FR 713979A FR 713979D A FR713979D A FR 713979DA FR 713979 A FR713979 A FR 713979A
- Authority
- FR
- France
- Prior art keywords
- coherent
- 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
- 230000001427 coherent effect Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR713979T | 1931-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR713979A true FR713979A (fr) | 1931-11-05 |
Family
ID=9085397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR713979D Expired FR713979A (fr) | 1931-03-28 | 1931-03-28 | Cohéreur |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR713979A (fr) |
-
1931
- 1931-03-28 FR FR713979D patent/FR713979A/fr not_active Expired
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