GB894673A - Improvements in electric discharge tubes for high voltages - Google Patents
Improvements in electric discharge tubes for high voltagesInfo
- Publication number
- GB894673A GB894673A GB23877/58A GB2387758A GB894673A GB 894673 A GB894673 A GB 894673A GB 23877/58 A GB23877/58 A GB 23877/58A GB 2387758 A GB2387758 A GB 2387758A GB 894673 A GB894673 A GB 894673A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mica
- cathode
- members
- tube
- anode
- 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
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
- H01J19/44—Insulation between electrodes or supports within the vacuum space
Landscapes
- Discharge Lamp (AREA)
Abstract
894,673. Thermionic valves. PHILIPS ELECTRICAL INDUSTRIES Ltd. July 24, 1958 [July 27, 1957], No. 23877/58. Class 39 (1). An electric discharge tube has an anode 8, a thermionic cathode 7 and a heater (not shown) for the cathode, a mica member 16 holding said anode and cathode electrodes in spaced relationship and providing an insulating path between the electrodes, two conductive members 9 positioned on the mica member in said path, and two insulated conductors 11 and 12 disposed between the heater and the cathode 7, one insulated conductor being connected to one conductive member and the other insulated conductor being connected to the other conductive member. The members 9 acquire a potential intermediate those of the heater and cathode by induction in the conductors 11 and 12, and enable the tube to withstand very high potentials between the anode and cathode without having to increase disproportionately the lengths of the insulation paths across the mica member 16. In the tube shown there are two mica members 16, the conductive members 9 on the lower mica being connected to those on the upper mica by rods 13, one of which supports a getter holder 15. The members 9 may be plates arranged as shown at right angles to the mica surface or may be metal layers arranged in narrow lines on the surface. Each mica 16 has two vents 17 to increase the lengths of the insulating paths. The conductors 11 and 12 comprise metal core wires coated with insulating material such as aluminium oxide and wound helically in opposite directions. The tube may be connected in a diode limiter arrangement for a cathode-ray tube deflection system (Fig. 1, not shown).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL894673X | 1957-07-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB894673A true GB894673A (en) | 1962-04-26 |
Family
ID=19856065
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB23877/58A Expired GB894673A (en) | 1957-07-27 | 1958-07-24 | Improvements in electric discharge tubes for high voltages |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB894673A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012155901A3 (en) * | 2011-05-18 | 2013-01-10 | Elrog Gmbh & Co Elektronenröhren Kg | Electron tube |
-
1958
- 1958-07-24 GB GB23877/58A patent/GB894673A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012155901A3 (en) * | 2011-05-18 | 2013-01-10 | Elrog Gmbh & Co Elektronenröhren Kg | Electron tube |
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