GB497808A - Cathode ray tubes - Google Patents
Cathode ray tubesInfo
- Publication number
- GB497808A GB497808A GB23336/37A GB2333637A GB497808A GB 497808 A GB497808 A GB 497808A GB 23336/37 A GB23336/37 A GB 23336/37A GB 2333637 A GB2333637 A GB 2333637A GB 497808 A GB497808 A GB 497808A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plates
- chamber
- potential
- plate
- ray tubes
- 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
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
Landscapes
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Abstract
497,808. Cathode-ray tubes. LORENZ AKT.-GES., C., and ROGOWSKI, W. Aug. 25, 1937, No. 23336. Convention date, Aug. 25, 1936. [Class 39 (i)] In a Braun tube in which the light intensity is controlled by electrostatic deflection with respect to a diaphragm, the deflecting plates are enclosed in a screening chamber biassed to a definite potential, one plate only being maintained at the potential of the chamber. The beam which passes through the aperture 2 of the diaphragm 1 falls upon a fluorescent screen 3 and the light intensity is controlled by deflecting the electron beam relatively to the aperture 2 by means of the plates 4. To prevent deformation of the beam by the plate potentials, the plates are mounted in a screening chamber 5, provided with apertured end plates, and connected to a desired biassing potential, one plate 4 being connected to the screening chamber, either by a conductor 14 within the chamber or outside it.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE497808X | 1936-08-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB497808A true GB497808A (en) | 1938-12-29 |
Family
ID=6545230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB23336/37A Expired GB497808A (en) | 1936-08-25 | 1937-08-25 | Cathode ray tubes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB497808A (en) |
-
1937
- 1937-08-25 GB GB23336/37A patent/GB497808A/en not_active Expired
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