GB626331A - Improvements in or relating to apparatus comprising a current converting tube - Google Patents
Improvements in or relating to apparatus comprising a current converting tubeInfo
- Publication number
- GB626331A GB626331A GB30832/46A GB3083246A GB626331A GB 626331 A GB626331 A GB 626331A GB 30832/46 A GB30832/46 A GB 30832/46A GB 3083246 A GB3083246 A GB 3083246A GB 626331 A GB626331 A GB 626331A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- anode
- screen
- anodes
- resistances
- 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
- H01J17/00—Gas-filled discharge tubes with solid cathode
- H01J17/50—Thermionic-cathode tubes
- H01J17/52—Thermionic-cathode tubes with one cathode and one anode
- H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
Landscapes
- Lasers (AREA)
- Adjustable Resistors (AREA)
Abstract
626,331. Converting. PHILIPS LAMPS, Ltd. Oct. 16, 1946, No. 30832. Convention date, Jan. 30, 1943. [Class 38 (ii)] [Also in Group XL (a)] The cathode screen of a gas and/or vapourfilled converting valve is connected to a tapping on a potentiometer connected between the cathode and an anode. An argon and mercury vapour-filled glass valve 1 of the kind described in Specification 623,012, [Group XL (a)], has two anodes 3 surrounded by gauze screens 8 and separated by screen 12, and a cathode 2 with a screen comprising a cylinder 13 and a cover 14 for preventing the passage of cathode particles to the anode. So that the anode voltage at initiation of discharge may not vary, the cathode screen, to which the arc is first struck from the cathode, is given a voltage intermediate between those of anode and cathode by connecting it to the junction of resistances 21, 22 connected between anode and cathode. These resistances may be mounted on cooling fin 20 on hood 17 in which mercury 18 is kept substantially at air temperature. The cylindrical part of the screen may be divided into as many mutually insulated parts as there are anodes, and each connected to a tapping on a potentiometer connected between the cathode and the respective anode, Figs. 2a-2c (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL240536X | 1943-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB626331A true GB626331A (en) | 1949-07-13 |
Family
ID=19780502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB30832/46A Expired GB626331A (en) | 1943-01-30 | 1946-10-16 | Improvements in or relating to apparatus comprising a current converting tube |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2459284A (en) |
| BE (1) | BE454150A (en) |
| CH (1) | CH240536A (en) |
| FR (1) | FR904878A (en) |
| GB (1) | GB626331A (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1426801A (en) * | 1922-08-22 | Repeater for ttndtjlatory currents | ||
| US1038910A (en) * | 1911-01-30 | 1912-09-17 | Siegmund Strauss | Relay for undulatory currents. |
| NL37515C (en) * | 1927-10-15 | |||
| FR793911A (en) * | 1934-09-05 | 1936-02-04 | Philips Nv | Electrical assembly comprising a rectifier tube filled with one or more gases or vapors or a mixture of gas and vapor and provided with at least two groups of anodes |
| US2217185A (en) * | 1935-12-21 | 1940-10-08 | Raytheon Mfg Co | Gaseous discharge device |
-
0
- BE BE454150D patent/BE454150A/xx unknown
- FR FR904878D patent/FR904878A/fr not_active Expired
-
1944
- 1944-01-28 CH CH240536D patent/CH240536A/en unknown
-
1946
- 1946-07-20 US US685208A patent/US2459284A/en not_active Expired - Lifetime
- 1946-10-16 GB GB30832/46A patent/GB626331A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2459284A (en) | 1949-01-18 |
| FR904878A (en) | 1945-12-26 |
| BE454150A (en) | |
| CH240536A (en) | 1945-12-31 |
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