FR33663E - Cathode chaude pour valve thermionique ou lampe de t. s. f. - Google Patents
Cathode chaude pour valve thermionique ou lampe de t. s. f.Info
- Publication number
- FR33663E FR33663E FR33663DA FR33663E FR 33663 E FR33663 E FR 33663E FR 33663D A FR33663D A FR 33663DA FR 33663 E FR33663 E FR 33663E
- Authority
- FR
- France
- Prior art keywords
- lamp
- hot cathode
- thermionic valve
- thermionic
- valve
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/50—Means forming part of the tube or lamps for the purpose of providing electrical connection to it
- H01J5/54—Means forming part of the tube or lamps for the purpose of providing electrical connection to it supported by a separate part, e.g. base
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR33663T | 1927-02-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR33663E true FR33663E (fr) | 1928-11-29 |
Family
ID=8671290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR33663D Expired FR33663E (fr) | 1927-02-25 | 1927-02-25 | Cathode chaude pour valve thermionique ou lampe de t. s. f. |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR33663E (fr) |
-
1927
- 1927-02-25 FR FR33663D patent/FR33663E/fr not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR624263A (fr) | Cathode chaude pour valve thermionique ou lampe de t. s. f. | |
FR33663E (fr) | Cathode chaude pour valve thermionique ou lampe de t. s. f. | |
FR32842E (fr) | Cathode chaude pour valve termionique ou lampe de t. s. f. | |
FR597125A (fr) | Lampe de t. s. f. | |
FR613377A (fr) | Lampe triode pour t. s. f. | |
FR638184A (fr) | Lampe trigrille pour t. s. f. | |
FR612971A (fr) | Support perfectionné pour lampes de t. s. f. | |
FR633628A (fr) | Culot dépourvu de capacité pour tubes ou lampes multiples de t. s. f. | |
FR32708E (fr) | Lampe de t. s. f. à filament double compensé | |
FR31985E (fr) | Lampe de t. s. f. à filament double compensé | |
DK39423C (da) | Lampe. | |
FR720973A (fr) | Lampe de t. s. f. | |
CH124457A (de) | Metalltube. | |
FR31437E (fr) | Lampe de t. s. f. | |
DK39012C (da) | Glødekatode til Udladningsrør. | |
GR1194B (el) | Συστημα αυτοματου εναλλαγης. | |
DK39433C (da) | Kipbart Karrosseri. | |
AT108974B (de) | Scheinwerfer. | |
DK39452C (da) | Forlygte til Vogne. | |
DK38389C (da) | Vædskeforvarmer. | |
DK37399C (da) | Automatisk Gribeskovl. | |
FR625514A (fr) | Combinateur différentiel antiparasite pour t. s. f. | |
DK37581C (da) | Tragtformet Overhældningsindsats til Kogekar. | |
ES97210A2 (es) | Nuevo portalámparas. | |
DK42911C (da) | Automatisk Skydevaaben. |