GB395373A - Method and means for synchronising television systems - Google Patents
Method and means for synchronising television systemsInfo
- Publication number
- GB395373A GB395373A GB3119131A GB3119131A GB395373A GB 395373 A GB395373 A GB 395373A GB 3119131 A GB3119131 A GB 3119131A GB 3119131 A GB3119131 A GB 3119131A GB 395373 A GB395373 A GB 395373A
- Authority
- GB
- United Kingdom
- Prior art keywords
- condenser
- voltage
- valve
- impulses
- control
- 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
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/08—Separation of synchronising signals from picture signals
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
- C01B33/181—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process
- C01B33/182—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by a dry process by reduction of a siliceous material, e.g. with a carbonaceous reducing agent and subsequent oxidation of the silicon monoxide formed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
- H04N5/123—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising whereby the synchronisation signal directly commands a frequency generator
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Details Of Television Scanning (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE1930H0043130 DE579665C (de) | 1930-11-11 | 1930-11-11 | Fernsehsynchronisierungsverfahren, bei welchem mit jedem Zeilen- und Bildwechsel Synchronisierimpulse uebermittelt werden |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB395373A true GB395373A (en) | 1933-07-10 |
Family
ID=40626911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3119131A Expired GB395373A (en) | 1930-11-11 | 1931-11-10 | Method and means for synchronising television systems |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE579665C (da) |
| FR (1) | FR726152A (da) |
| GB (1) | GB395373A (da) |
| NL (2) | NL37579C (da) |
-
1930
- 1930-11-11 DE DE1930H0043130 patent/DE579665C/de not_active Expired
-
1931
- 1931-11-10 NL NL59093A patent/NL37579C/xx active
- 1931-11-10 GB GB3119131A patent/GB395373A/en not_active Expired
- 1931-11-10 FR FR726152D patent/FR726152A/fr not_active Expired
-
1935
- 1935-03-21 NL NL72943A patent/NL44371C/xx active
Also Published As
| Publication number | Publication date |
|---|---|
| DE579665C (de) | 1935-01-08 |
| NL44371C (da) | 1938-11-15 |
| NL37579C (da) | 1936-03-16 |
| FR726152A (fr) | 1932-05-24 |
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