CH552282A - Elektrische entladungsroehre mit einem maschengitter. - Google Patents
Elektrische entladungsroehre mit einem maschengitter.Info
- Publication number
- CH552282A CH552282A CH147673A CH147673A CH552282A CH 552282 A CH552282 A CH 552282A CH 147673 A CH147673 A CH 147673A CH 147673 A CH147673 A CH 147673A CH 552282 A CH552282 A CH 552282A
- Authority
- CH
- Switzerland
- Prior art keywords
- mesh
- electric discharge
- discharge tube
- tube
- electric
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/38—Control electrodes, e.g. grid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0015—Non-sealed electrodes
- H01J2893/0017—Cylindrical, helical or annular grids
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL7201534A NL7201534A (it) | 1972-02-05 | 1972-02-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH552282A true CH552282A (de) | 1974-07-31 |
Family
ID=19815300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH147673A CH552282A (de) | 1972-02-05 | 1973-02-02 | Elektrische entladungsroehre mit einem maschengitter. |
Country Status (8)
Country | Link |
---|---|
US (1) | US3806754A (it) |
JP (1) | JPS4889674A (it) |
CA (1) | CA975418A (it) |
CH (1) | CH552282A (it) |
DE (1) | DE2303776C3 (it) |
FR (1) | FR2170208B1 (it) |
GB (1) | GB1368542A (it) |
NL (1) | NL7201534A (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3976909A (en) * | 1975-07-11 | 1976-08-24 | Rca Corporation | Wire mesh cathode |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2277148A (en) * | 1941-01-30 | 1942-03-24 | Bell Telephone Labor Inc | Electrode for electron discharge devices |
NL88786C (it) * | 1955-04-02 | |||
US3172002A (en) * | 1960-11-21 | 1965-03-02 | Rca Corp | Cathode mount and method of fabrication |
JPS4329650Y1 (it) * | 1965-11-15 | 1968-12-05 |
-
1972
- 1972-02-05 NL NL7201534A patent/NL7201534A/xx not_active Application Discontinuation
-
1973
- 1973-01-26 DE DE2303776A patent/DE2303776C3/de not_active Expired
- 1973-02-02 JP JP48013033A patent/JPS4889674A/ja active Pending
- 1973-02-02 CA CA162,785A patent/CA975418A/en not_active Expired
- 1973-02-02 GB GB532873A patent/GB1368542A/en not_active Expired
- 1973-02-02 US US00329235A patent/US3806754A/en not_active Expired - Lifetime
- 1973-02-02 FR FR7303741A patent/FR2170208B1/fr not_active Expired
- 1973-02-02 CH CH147673A patent/CH552282A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2170208A1 (it) | 1973-09-14 |
JPS4889674A (it) | 1973-11-22 |
US3806754A (en) | 1974-04-23 |
CA975418A (en) | 1975-09-30 |
DE2303776B2 (de) | 1977-12-15 |
DE2303776C3 (de) | 1978-08-10 |
DE2303776A1 (de) | 1973-08-09 |
FR2170208B1 (it) | 1977-08-26 |
GB1368542A (en) | 1974-09-25 |
NL7201534A (it) | 1973-08-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |