GB708636A - Improvements in gas-filled electric discharge tubes - Google Patents
Improvements in gas-filled electric discharge tubesInfo
- Publication number
- GB708636A GB708636A GB450151A GB450151A GB708636A GB 708636 A GB708636 A GB 708636A GB 450151 A GB450151 A GB 450151A GB 450151 A GB450151 A GB 450151A GB 708636 A GB708636 A GB 708636A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wires
- electrode
- tube
- filled
- cathode
- 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
- H01J17/38—Cold-cathode tubes
- H01J17/40—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes
- H01J17/44—Cold-cathode tubes with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes having one or more control electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
- H01J2893/0065—Electrode systems
- H01J2893/0068—Electrode systems electrode assembly with control electrodes, e.g. including a screen
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
708,636. Cold-cathode tubes. HIVAC, Ltd. Feb. 25, 1952 [Feb. 23, 1951], No. 4501/51. Class 39(1) The breakdown voltage of a cold-cathode gas-filled trigger tube is increased by arranging that the extremity of one of the main electrodes terminates slightly short of the end of a sleeve of insulating material which encloses the whole of the said electrode and intercepts the direct path between the enclosed electrode and any of the other electrodes. In the tube shown, the end of the wire anode 10 is located a short distance, of the order of 1 to 2 mm. from the end of the surrounding sleeve I which is made, for example, of glass. The trigger electrode comprises two wire rings 15 spaced apart by wires 17 and supported from the pinch 14 by wires 16. Alternatively a single wire ring trigger electrode may be used. The cathode 12 is a short metal cylinder supported by wires 13 and is preferably coated on its inner surface with material having a low work function. The tube is filled with a mixture of neon and argon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB450151A GB708636A (en) | 1951-02-23 | 1951-02-23 | Improvements in gas-filled electric discharge tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB450151A GB708636A (en) | 1951-02-23 | 1951-02-23 | Improvements in gas-filled electric discharge tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB708636A true GB708636A (en) | 1954-05-05 |
Family
ID=9778388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB450151A Expired GB708636A (en) | 1951-02-23 | 1951-02-23 | Improvements in gas-filled electric discharge tubes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB708636A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1038194B (en) * | 1955-03-17 | 1958-09-04 | Hivac Ltd | Cold cathode gas discharge tubes |
-
1951
- 1951-02-23 GB GB450151A patent/GB708636A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1038194B (en) * | 1955-03-17 | 1958-09-04 | Hivac Ltd | Cold cathode gas discharge tubes |
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