GB417590A - A television receiving method employing braun tubes - Google Patents
A television receiving method employing braun tubesInfo
- Publication number
- GB417590A GB417590A GB6313/33A GB631333A GB417590A GB 417590 A GB417590 A GB 417590A GB 6313/33 A GB6313/33 A GB 6313/33A GB 631333 A GB631333 A GB 631333A GB 417590 A GB417590 A GB 417590A
- Authority
- GB
- United Kingdom
- Prior art keywords
- potential
- ray
- derived
- deflecting
- march
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/24—Blanking circuits
Abstract
417,590. Television. ARDENNE, M. VON, 19, Jungfernstieg, Lichterfeld-Ost, Berlin. March 2, 1933, No. 6313. Convention date, March 5, 1932. [Class 40 (iii).] In a cathode-ray receiver, the ray is extinguished during the return path to the beginning of successive pictures. The control potential, which extinguishes the ray, is derived from the potential 3, which deflects the ray from line to line of the image. The deflecting-potential is applied to a condenser 5 and resistance 6 in series, which produce a potential equivalent to the differentiation of the deflecting-potential with respect to time, Fig. 1 (not shown). Alternatively a transformer in series with a resistance may be used, Fig. 3 (not shown). The derived potential controls a rectifying- valve 7, which applies a strong negative bias to the Wehnelt cylinder 2. According to modifications, the derived potential is applied to a grid in the cathode-ray tube 1, or to a deflecting electrode near an aperture in the anode. Specification 392,383 is referred to.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE417590X | 1932-03-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB417590A true GB417590A (en) | 1934-10-02 |
Family
ID=6448733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6313/33A Expired GB417590A (en) | 1932-03-05 | 1933-03-02 | A television receiving method employing braun tubes |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR753468A (en) |
| GB (1) | GB417590A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607847A (en) * | 1949-11-08 | 1952-08-19 | Motorola Inc | Vertical retrace blanking |
-
1933
- 1933-03-02 GB GB6313/33A patent/GB417590A/en not_active Expired
- 1933-03-02 FR FR753468D patent/FR753468A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2607847A (en) * | 1949-11-08 | 1952-08-19 | Motorola Inc | Vertical retrace blanking |
Also Published As
| Publication number | Publication date |
|---|---|
| FR753468A (en) | 1933-10-17 |
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