GB412794A - Improvements in or relating to television systems - Google Patents
Improvements in or relating to television systemsInfo
- Publication number
- GB412794A GB412794A GB2387933A GB2387933A GB412794A GB 412794 A GB412794 A GB 412794A GB 2387933 A GB2387933 A GB 2387933A GB 2387933 A GB2387933 A GB 2387933A GB 412794 A GB412794 A GB 412794A
- Authority
- GB
- United Kingdom
- Prior art keywords
- film
- scanning
- motion
- picture
- scanned
- 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
- H04N3/36—Scanning of motion picture films, e.g. for telecine
- H04N3/38—Scanning of motion picture films, e.g. for telecine with continuously moving film
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
Abstract
412,794. Television. BULLIMORE, W. R., and BEDFORD, L. H., Cossor Works, Highbury Grove, London. Aug. 28, 1933, No. 23879. Drawings to Specification. [Class 40 (iii).] In a television transmitting apparatus in which a continuously moving cinematograph film is scanned by an electrically-controlled scanning device, a controlling wave of the picture frequency is applied to the scanning device to compensate for the movement of the film. When the scanning is effected by a cathode ray oscillograph in a direction perpendicular to the motion of the film, the compensation is effective to avoid the scanning of the bar or space between successive frames. In this case a saw tooth wave is applied to one of the plates to produce a succession of scanning lines which cover an area equal or equivalent to that between successive picture frames. When the film is scanned parallel to its direction of motion, a saw tooth deflecting potential is applied to the second of the plates which control the movement of the scanning beam parallel to the motion of the film, so that successive scanning lines are displaced in the direction of motion of the film. The apparatus may be controlled so that each alternate picture or every third picture of the film is scanned. The details are generally similar to those described in Specification 399,469.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2387933A GB412794A (en) | 1933-08-28 | 1933-08-28 | Improvements in or relating to television systems |
| DEC49590D DE637190C (en) | 1933-08-28 | 1934-08-29 | Method for television scanning of a film in constant motion with a cathode ray tube controlled by tilting vibrations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2387933A GB412794A (en) | 1933-08-28 | 1933-08-28 | Improvements in or relating to television systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB412794A true GB412794A (en) | 1934-07-05 |
Family
ID=10202796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2387933A Expired GB412794A (en) | 1933-08-28 | 1933-08-28 | Improvements in or relating to television systems |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE637190C (en) |
| GB (1) | GB412794A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL170384B (en) * | 1951-06-28 | Steinmueller Gmbh L & C | PROCESS FOR AUTOMATIC FLAME WELDING. |
-
1933
- 1933-08-28 GB GB2387933A patent/GB412794A/en not_active Expired
-
1934
- 1934-08-29 DE DEC49590D patent/DE637190C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE637190C (en) | 1936-10-24 |
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