GB471696A - Improvements in circuit arrangements incorporating cathode-ray tubes - Google Patents
Improvements in circuit arrangements incorporating cathode-ray tubesInfo
- Publication number
- GB471696A GB471696A GB1442736A GB1442736A GB471696A GB 471696 A GB471696 A GB 471696A GB 1442736 A GB1442736 A GB 1442736A GB 1442736 A GB1442736 A GB 1442736A GB 471696 A GB471696 A GB 471696A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resistances
- plates
- cathode
- ray tubes
- pair
- 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
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J29/74—Deflecting by electric fields only
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
471,696. Directive wireless signalling- PLESSEY CO., Ltd., and BAILEY, C. E. G. May 21, 1936, No. 14427. [Class 40 (v)] [Also in Group XXXVI] In order to eliminate interaction between the control fields applied to the two pairs of deflecting plates in a cathode-ray tube, and to make the path of the electron stream strictly rectilinear, a compensating voltage is tapped off from the input to one pair of plates and is fed to the other. As shown in the Figure, the plates X, XI are connected to earth 1 through resistances 2, 3 in series. The other pair of plates Y, Y1 are connected through resistances 4 to the junction points 5 between resistances 2 and 3. A switch 6 enables the phase of the common coupling to be reversed. In alternative arrangements, (a) the resistances 2, 3 are inserted in the lead from one only of the plates ; and (h) the two resistances are replaced by a common potentiometer. The arrangement may be applied to a cathode-ray tube used as an indicator in wireless direction finding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1442736A GB471696A (en) | 1936-05-21 | 1936-05-21 | Improvements in circuit arrangements incorporating cathode-ray tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1442736A GB471696A (en) | 1936-05-21 | 1936-05-21 | Improvements in circuit arrangements incorporating cathode-ray tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB471696A true GB471696A (en) | 1937-09-09 |
Family
ID=10041017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1442736A Expired GB471696A (en) | 1936-05-21 | 1936-05-21 | Improvements in circuit arrangements incorporating cathode-ray tubes |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB471696A (en) |
-
1936
- 1936-05-21 GB GB1442736A patent/GB471696A/en not_active Expired
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