BE423363A - - Google Patents
Info
- Publication number
- BE423363A BE423363A BE423363DA BE423363A BE 423363 A BE423363 A BE 423363A BE 423363D A BE423363D A BE 423363DA BE 423363 A BE423363 A BE 423363A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/06—Electrode arrangements
- H01J43/08—Cathode arrangements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/023—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof secondary-electron emitting electrode arrangements
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF81681D DE682157C (de) | 1936-09-02 | 1936-09-02 | Sekundaerelektronenverstaerker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE423363A true BE423363A (en:Method) |
Family
ID=7987841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE423363D BE423363A (en:Method) | 1936-09-02 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2159529A (en:Method) |
| BE (1) | BE423363A (en:Method) |
| DE (1) | DE682157C (en:Method) |
| FR (1) | FR48753E (en:Method) |
| NL (1) | NL55278C (en:Method) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2585044A (en) * | 1945-02-05 | 1952-02-12 | Farnsworth Res Corp | Gain control apparatus |
| FR933551A (fr) * | 1946-09-10 | 1948-04-26 | Cfcmug | Perfectionnements aux analyseurs de télévision |
| US2744954A (en) * | 1948-01-03 | 1956-05-08 | American Optical Corp | Television receiver having a sound-signal detector electrode in its picture tube |
-
0
- BE BE423363D patent/BE423363A/xx unknown
-
1936
- 1936-09-02 DE DEF81681D patent/DE682157C/de not_active Expired
-
1937
- 1937-08-19 US US159992A patent/US2159529A/en not_active Expired - Lifetime
- 1937-08-25 NL NL83888A patent/NL55278C/xx active
- 1937-09-01 FR FR48753D patent/FR48753E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR48753E (fr) | 1938-06-23 |
| US2159529A (en) | 1939-05-23 |
| DE682157C (de) | 1939-10-18 |
| NL55278C (en:Method) | 1943-10-15 |