FR2195058B1 - - Google Patents
Info
- Publication number
- FR2195058B1 FR2195058B1 FR7228289A FR7228289A FR2195058B1 FR 2195058 B1 FR2195058 B1 FR 2195058B1 FR 7228289 A FR7228289 A FR 7228289A FR 7228289 A FR7228289 A FR 7228289A FR 2195058 B1 FR2195058 B1 FR 2195058B1
- Authority
- FR
- France
- 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
- H01J21/00—Vacuum tubes
- H01J21/02—Tubes with a single discharge path
- H01J21/06—Tubes with a single discharge path having electrostatic control means only
- H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
- H01J21/14—Tubes with means for concentrating the electron stream, e.g. beam tetrode
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0029—Electron beam tubes
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7228289A FR2195058B1 (fr) | 1972-08-04 | 1972-08-04 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7228289A FR2195058B1 (fr) | 1972-08-04 | 1972-08-04 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2195058A1 FR2195058A1 (fr) | 1974-03-01 |
FR2195058B1 true FR2195058B1 (fr) | 1976-08-13 |
Family
ID=9102925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7228289A Expired FR2195058B1 (fr) | 1972-08-04 | 1972-08-04 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2195058B1 (fr) |
-
1972
- 1972-08-04 FR FR7228289A patent/FR2195058B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2195058A1 (fr) | 1974-03-01 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |