FR1239914A - Ray-generating device for electric discharge tubes - Google Patents
Ray-generating device for electric discharge tubesInfo
- Publication number
- FR1239914A FR1239914A FR762872A FR762872A FR1239914A FR 1239914 A FR1239914 A FR 1239914A FR 762872 A FR762872 A FR 762872A FR 762872 A FR762872 A FR 762872A FR 1239914 A FR1239914 A FR 1239914A
- Authority
- FR
- France
- Prior art keywords
- ray
- generating device
- electric discharge
- discharge tubes
- tubes
- 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
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/186—Getter supports
-
- 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
-
- 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
- H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
- H01J7/183—Composition or manufacture of getters
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DES53091A DE1026006B (en) | 1957-04-11 | 1957-04-11 | Beam generation system for electrical discharge vessels, especially run-time tubes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1239914A true FR1239914A (en) | 1960-09-02 |
Family
ID=7489077
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR762872A Expired FR1239914A (en) | 1957-04-11 | 1958-04-11 | Ray-generating device for electric discharge tubes |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1026006B (en) |
FR (1) | FR1239914A (en) |
GB (1) | GB830319A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3195716A (en) * | 1961-02-04 | 1965-07-20 | Porta Paolo Della | Mixed getter devices, with evaporated and not evaporated gettering material, for maintaining the vacuum in electronic tubes |
US3225910A (en) * | 1961-02-04 | 1965-12-28 | Porta Paolo Della | Getter devices with non-evaporated gettering material, for maintaining vacuum in electronic tubes |
NL292484A (en) * | 1962-05-09 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE761089C (en) * | 1937-12-31 | 1954-04-29 | Siemens & Halske A G | Indirectly heated glow cathode for Braun tubes |
DE867115C (en) * | 1942-09-17 | 1953-02-16 | Telefunken Gmbh | Cathode system for cathode ray tubes |
-
1957
- 1957-04-11 DE DES53091A patent/DE1026006B/en active Pending
-
1958
- 1958-04-11 FR FR762872A patent/FR1239914A/en not_active Expired
- 1958-04-11 GB GB1162658A patent/GB830319A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB830319A (en) | 1960-03-16 |
DE1026006B (en) | 1958-03-13 |
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