GB291442A - Improvements in or relating to means for mounting filaments in electric discharge devices - Google Patents
Improvements in or relating to means for mounting filaments in electric discharge devicesInfo
- Publication number
- GB291442A GB291442A GB14640/28A GB1464028A GB291442A GB 291442 A GB291442 A GB 291442A GB 14640/28 A GB14640/28 A GB 14640/28A GB 1464028 A GB1464028 A GB 1464028A GB 291442 A GB291442 A GB 291442A
- Authority
- GB
- United Kingdom
- Prior art keywords
- secured
- filaments
- relating
- electric discharge
- discharge devices
- 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
- H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
- H01J1/02—Main electrodes
- H01J1/13—Solid thermionic cathodes
- H01J1/15—Cathodes heated directly by an electric current
- H01J1/18—Supports; Vibration-damping arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/34—Branched
Landscapes
- Electron Sources, Ion Sources (AREA)
- Wire Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US196381A US1719852A (en) | 1927-06-03 | 1927-06-03 | Filament-binding means |
Publications (1)
Publication Number | Publication Date |
---|---|
GB291442A true GB291442A (en) | 1929-06-27 |
Family
ID=22725169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14640/28A Expired GB291442A (en) | 1927-06-03 | 1928-05-18 | Improvements in or relating to means for mounting filaments in electric discharge devices |
Country Status (5)
Country | Link |
---|---|
US (1) | US1719852A (nl) |
BE (1) | BE351833A (nl) |
FR (1) | FR35531E (nl) |
GB (1) | GB291442A (nl) |
NL (1) | NL28234C (nl) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2431139A (en) * | 1943-06-23 | 1947-11-18 | Westinghouse Electric Corp | Magnetron |
-
0
- NL NL28234D patent/NL28234C/xx active
- BE BE351833D patent/BE351833A/xx unknown
-
1927
- 1927-06-03 US US196381A patent/US1719852A/en not_active Expired - Lifetime
-
1928
- 1928-05-18 GB GB14640/28A patent/GB291442A/en not_active Expired
- 1928-06-02 FR FR35531D patent/FR35531E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE351833A (nl) | |
US1719852A (en) | 1929-07-09 |
NL28234C (nl) | |
FR35531E (fr) | 1930-03-22 |
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