GB605343A - Improvements in and relating to electric discharge lamps - Google Patents
Improvements in and relating to electric discharge lampsInfo
- Publication number
- GB605343A GB605343A GB2924045A GB2924045A GB605343A GB 605343 A GB605343 A GB 605343A GB 2924045 A GB2924045 A GB 2924045A GB 2924045 A GB2924045 A GB 2924045A GB 605343 A GB605343 A GB 605343A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cathode
- electric discharge
- lamp
- tube
- discharge lamps
- 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
- H01J17/02—Details
- H01J17/04—Electrodes; Screens
- H01J17/06—Cathodes
- H01J17/066—Cold cathodes
-
- 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
- H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups
Landscapes
- Discharge Lamp (AREA)
Abstract
605,343. Electric discharge lamps. SCOPHONY, Ltd., and CHARLOTTE, H. F. Nov. 3, 1945, No. 29240. [Class 39 (i)] An electric discharge lamp for stroboscopic purposes has a cathode construction to facilitate cooling, comprising a metal member 10, forming part of the wall of the tube and sealed to glass members 11 and 13, the cathode, consisting of two nickel cylinders 17, 18 with electronemitting material 20 in between, being attached to the member 10 by lugs 19. The inner cylinder 17 may be perforated. Nickel shields 21 and 14 are provided at each end of the cathode and the glass tube 12 through which the discharge passes extends backwards through the shield 14 and within the cathode. In a lamp for D.C. operation the tube 12, which may be formed into a helix is sealed into a glass chamber 23 containing the anode 24, or the anode may be a metal cylinder forming part of the wall as in Fig. 3 (not shown). For A.C. operation the lamp may have both electrodes made to function alternately as a cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2924045A GB605343A (en) | 1945-11-03 | 1945-11-03 | Improvements in and relating to electric discharge lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2924045A GB605343A (en) | 1945-11-03 | 1945-11-03 | Improvements in and relating to electric discharge lamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB605343A true GB605343A (en) | 1948-07-21 |
Family
ID=10288363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2924045A Expired GB605343A (en) | 1945-11-03 | 1945-11-03 | Improvements in and relating to electric discharge lamps |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB605343A (en) |
-
1945
- 1945-11-03 GB GB2924045A patent/GB605343A/en not_active Expired
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