FR2061689B1 - - Google Patents
Info
- Publication number
- FR2061689B1 FR2061689B1 FR7033074A FR7033074A FR2061689B1 FR 2061689 B1 FR2061689 B1 FR 2061689B1 FR 7033074 A FR7033074 A FR 7033074A FR 7033074 A FR7033074 A FR 7033074A FR 2061689 B1 FR2061689 B1 FR 2061689B1
- 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
- H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
- H01J23/02—Electrodes; Magnetic control means; Screens
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
- H01J23/0873—Magnetic focusing arrangements with at least one axial-field reversal along the interaction space, e.g. P.P.M. focusing
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB4504569 | 1969-09-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2061689A1 FR2061689A1 (fr) | 1971-06-25 |
FR2061689B1 true FR2061689B1 (fr) | 1973-01-12 |
Family
ID=10435668
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7033074A Expired FR2061689B1 (fr) | 1969-09-12 | 1970-09-11 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2045103A1 (fr) |
FR (1) | FR2061689B1 (fr) |
GB (1) | GB1257244A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3014404C2 (de) * | 1979-04-11 | 1985-04-18 | Nippon Electric Co., Ltd., Tokio/Tokyo | Lauffeldröhre |
-
1969
- 1969-09-12 GB GB1257244D patent/GB1257244A/en not_active Expired
-
1970
- 1970-09-11 DE DE19702045103 patent/DE2045103A1/de active Pending
- 1970-09-11 FR FR7033074A patent/FR2061689B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1257244A (fr) | 1971-12-15 |
DE2045103A1 (de) | 1971-03-25 |
FR2061689A1 (fr) | 1971-06-25 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |