NL74481C - - Google Patents
Info
- Publication number
- NL74481C NL74481C NL74481DA NL74481C NL 74481 C NL74481 C NL 74481C NL 74481D A NL74481D A NL 74481DA NL 74481 C NL74481 C NL 74481C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/54—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements of vacuum tubes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/06—Generation of synchronising signals
- H04N5/067—Arrangements or circuits at the transmitter end
- H04N5/0675—Arrangements or circuits at the transmitter end for mixing the synchronising signals with the picture signal or mutually
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Picture Signal Circuits (AREA)
- Television Receiver Circuits (AREA)
- Details Of Television Scanning (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2678649A GB693895A (en) | 1949-10-19 | 1949-10-19 | Improvements relating to electronic switching circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL74481C true NL74481C (en:Method) |
Family
ID=10249174
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7112326.A NL156609B (nl) | 1949-10-19 | Werkwijze voor het verwijderen van verontreinigingen uit een mengsel, dat overwegend uit koolwaterstoffen bestaat. | |
| NL74481D NL74481C (en:Method) | 1949-10-19 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7112326.A NL156609B (nl) | 1949-10-19 | Werkwijze voor het verwijderen van verontreinigingen uit een mengsel, dat overwegend uit koolwaterstoffen bestaat. |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE944798C (en:Method) |
| FR (1) | FR1026106A (en:Method) |
| GB (1) | GB693895A (en:Method) |
| NL (2) | NL74481C (en:Method) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2356141A (en) * | 1942-07-31 | 1944-08-22 | Philco Radio & Television Corp | Synchronizing circuit |
| US2548436A (en) * | 1946-01-25 | 1951-04-10 | Hazeltine Corp | Television receiver background control circuit |
-
0
- NL NL7112326.A patent/NL156609B/xx unknown
- NL NL74481D patent/NL74481C/xx active
-
1949
- 1949-10-19 GB GB2678649A patent/GB693895A/en not_active Expired
-
1950
- 1950-10-11 DE DEE2797A patent/DE944798C/de not_active Expired
- 1950-10-18 FR FR1026106D patent/FR1026106A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1026106A (fr) | 1953-04-23 |
| DE944798C (de) | 1956-06-21 |
| GB693895A (en) | 1953-07-08 |
| NL156609B (nl) |