GB507340A - Improvements in and relating to electric discharge lamps, suitable for use in connection with sound films, picture telegraphy television and the like - Google Patents
Improvements in and relating to electric discharge lamps, suitable for use in connection with sound films, picture telegraphy television and the likeInfo
- Publication number
- GB507340A GB507340A GB34589/37A GB3458937A GB507340A GB 507340 A GB507340 A GB 507340A GB 34589/37 A GB34589/37 A GB 34589/37A GB 3458937 A GB3458937 A GB 3458937A GB 507340 A GB507340 A GB 507340A
- Authority
- GB
- United Kingdom
- Prior art keywords
- anode
- lamp
- discharge
- screen
- 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
-
- 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)
Landscapes
- Discharge Lamp (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
507,340. Discharge lamps. MASSOLLE GES., J., and MASSOLLE, J. Dec. 14, 1937, No. 34589. Convention date, Dec. 15, 1936. [Class 39 (i)] A glow lamp having a screen directly in front of the anode to concentrate the more positive part of the discharge is provided with means for reducing the deficiency of the filling arising during operation in front of the anode due to the narrowness of the concentrating aperture. As shown, a lamp comprises a circular wire, hot cathode 6, an anode 2, a gauze or solid metal screen 3 with a polished end 4 having a conical aperture, and an outer screen 5 of conducting or insulating material. The screens are provided with apertures 9 so staggered or arranged that a discharge cannot pass through them but admitting gas to the region in front of the anode. The screen 3 is connected to the anode potential through an impedance 8 and serves as a starting electrode receiving a constant discharge. Electrode dimensions are specified. The lamp may be connected in series with an amplifier valve or may contain a control grid enclosing the cathode. The lamp may be filled with neon, helium, or nitrogen. Instead of or in addition to providing apertures 9, up to 15 per cent of a gas of high ionic mobility such as hydrogen may be added to the filling. The gas pressure may be between 0À6 and 6 mms.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE507340X | 1936-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB507340A true GB507340A (en) | 1939-06-14 |
Family
ID=6546741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB34589/37A Expired GB507340A (en) | 1936-12-15 | 1937-12-14 | Improvements in and relating to electric discharge lamps, suitable for use in connection with sound films, picture telegraphy television and the like |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB507340A (en) |
-
1937
- 1937-12-14 GB GB34589/37A patent/GB507340A/en not_active Expired
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