GB557000A - Improvements relating to thermionic valve circuits - Google Patents
Improvements relating to thermionic valve circuitsInfo
- Publication number
- GB557000A GB557000A GB928940A GB928940A GB557000A GB 557000 A GB557000 A GB 557000A GB 928940 A GB928940 A GB 928940A GB 928940 A GB928940 A GB 928940A GB 557000 A GB557000 A GB 557000A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screen
- valves
- cathode
- suppressor grids
- couplings
- 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
Landscapes
- Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
Abstract
557,000. Circuits for oscillographs. COSSER, Ltd,. A. C., STEVENS, W. H., and BEDFORD, L. H. May 27, 1940, No. 9289. [Class 37] [Also in Group XL] A valve circuit (see Group XL) comprising two valves V<SP>1</SP> V<SP>2</SP> of pentode, hexode, or like type the suppressor grids of which are coupled together, the screen of V<SP>1</SP> and the control grid of V<SP>2</SP> being maintained at zero signal potential may be used for producing a polar diagram on a cathode-ray screen. For this purpose two valve pairs are used with sine waves in quadrature phase applied at the points 1. Their outputs are applied to deflecting plates of a cathode-ray tube to give a circular trace on the screen. The periodic voltage to be examined is applied at 3 to the suppressor grids of all four valves, and causes radial deflection of the trace. The valves may be enclosed in a single envelope and may have a common cathode. Alternating-current couplings such as resistance-condenser couplings may be substituted for the direct coupling between the suppressor grids or between the anode of V<SP>1</SP> and the screen of V<SP>2</SP>.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB928940A GB557000A (en) | 1940-05-27 | 1940-05-27 | Improvements relating to thermionic valve circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB928940A GB557000A (en) | 1940-05-27 | 1940-05-27 | Improvements relating to thermionic valve circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB557000A true GB557000A (en) | 1943-11-01 |
Family
ID=9869110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB928940A Expired GB557000A (en) | 1940-05-27 | 1940-05-27 | Improvements relating to thermionic valve circuits |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB557000A (en) |
-
1940
- 1940-05-27 GB GB928940A patent/GB557000A/en not_active Expired
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