GB1192970A - High Vacuum Discharge Tube for High Voltages - Google Patents
High Vacuum Discharge Tube for High VoltagesInfo
- Publication number
- GB1192970A GB1192970A GB39440/67A GB3944067A GB1192970A GB 1192970 A GB1192970 A GB 1192970A GB 39440/67 A GB39440/67 A GB 39440/67A GB 3944067 A GB3944067 A GB 3944067A GB 1192970 A GB1192970 A GB 1192970A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- cathode
- screen
- cylinder
- discharge tube
- 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
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
- H01J5/06—Vessels or containers specially adapted for operation at high tension, e.g. by improved potential distribution over surface of vessel
-
- 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
- H01J19/40—Screens for shielding
Abstract
1,192,970. Thermionic cathode tubes. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. 29 Aug., 1967 [27 Aug., 1966], No. 39440/67. Heading H1D. In a high vacuum discharge tube for high voltages, e.g. a ballast tube for use in colour television receivers, which comprises an anode cylinder 5 closed at one end by a surface 7 perpendicular to the cylinder axis, a cathode 8 outside the anode and surrounded by a cathode screen 10 which has surfaces 13 arranged spaced from and opposite the open end of the anode, an auxiliary screen 15 is provided which is situated surrounding the open end of the anode and between part of the envelope and the cathode screen 10 such that electrons liberated from the surfaces 13 by X-radiation from anode surface 7, which radiation is itself produced by electron bombardment, are prevented from reaching the tube wall and are constrained to move towards the anode cylinder. The auxiliary screen 15 may, as shown, comprise a stepped annular member coaxial with the anode and affixed to the cathode screen 10. Alternatively, Fig. 2 (not shown), the auxiliary screen may be an annular cylinder affixed to the wall of the device, and may be electrically connected to the cathode or to the cathode screen.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP0040278 | 1966-08-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1192970A true GB1192970A (en) | 1970-05-28 |
Family
ID=7377041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB39440/67A Expired GB1192970A (en) | 1966-08-27 | 1967-08-29 | High Vacuum Discharge Tube for High Voltages |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3491232A (en) |
| CH (1) | CH470751A (en) |
| DE (1) | DE1564506B1 (en) |
| GB (1) | GB1192970A (en) |
| NL (1) | NL6711517A (en) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1220524B (en) * | 1965-01-18 | 1966-07-07 | Rca Corp | Electron discharge tubes with glass parts that are subject to the risk of decomposition |
| DE342909C (en) * | 1916-06-11 | 1921-10-25 | Siemens Schuckertwerke G M B H | High voltage vacuum apparatus for high voltage operation |
| US2040883A (en) * | 1935-05-29 | 1936-05-19 | Solomon Guillermo | Electronic tube |
| US2256330A (en) * | 1940-06-29 | 1941-09-16 | Rca Corp | High voltage rectifier |
| US2464270A (en) * | 1946-03-15 | 1949-03-15 | Raytheon Mfg Co | Shield connection for external press type electron discharge tubes |
| DE891117C (en) * | 1951-10-14 | 1953-09-24 | Siemens Reiniger Werke Ag | Electrical discharge tubes, in particular a valve tube with an anode that surrounds the cathode in the shape of a pot |
| DE937540C (en) * | 1952-04-09 | 1956-01-12 | Licentia Gmbh | High vacuum rectifier tubes for high and extremely high voltages |
| FR1106979A (en) * | 1953-08-31 | 1955-12-27 | Philips Nv | High vacuum diode for high voltages |
| DE1723625U (en) * | 1954-08-27 | 1956-06-07 | Philips Nv | HIGH VACUUM DIODE FOR HIGH VOLTAGE WITH A GLASS BULB, A CYLINDRICAL ANODE AND AN OXYD CATHOD. |
| US2888590A (en) * | 1954-09-13 | 1959-05-26 | Gen Electric | Electronic tube structure |
| US2933633A (en) * | 1955-02-16 | 1960-04-19 | Gen Electric | Electric discharge device |
| US3041494A (en) * | 1959-03-25 | 1962-06-26 | Rca Corp | High voltage rectifier tube |
| US3231778A (en) * | 1963-06-20 | 1966-01-25 | Sylvania Electric Prod | Signal barrier |
-
1966
- 1966-08-27 DE DE19661564506 patent/DE1564506B1/en not_active Withdrawn
-
1967
- 1967-08-22 NL NL6711517A patent/NL6711517A/xx unknown
- 1967-08-23 US US662598A patent/US3491232A/en not_active Expired - Lifetime
- 1967-08-24 CH CH1187867A patent/CH470751A/en not_active IP Right Cessation
- 1967-08-29 GB GB39440/67A patent/GB1192970A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6711517A (en) | 1968-02-28 |
| CH470751A (en) | 1969-03-31 |
| DE1564506B1 (en) | 1970-08-20 |
| US3491232A (en) | 1970-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |