US1928553A - Method of scanning images in television - Google Patents
Method of scanning images in television Download PDFInfo
- Publication number
- US1928553A US1928553A US481493A US48149330A US1928553A US 1928553 A US1928553 A US 1928553A US 481493 A US481493 A US 481493A US 48149330 A US48149330 A US 48149330A US 1928553 A US1928553 A US 1928553A
- Authority
- US
- United States
- Prior art keywords
- television
- scanning
- image
- scanned
- scanning images
- 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 - Lifetime
Links
Images
Classifications
-
- 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
-
- 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
- H04N3/02—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only
- H04N3/04—Scanning details of television systems; Combination thereof with generation of supply voltages by optical-mechanical means only having a moving aperture also apertures covered by lenses
-
- 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
- H04N3/30—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical otherwise than with constant velocity or otherwise than in pattern formed by unidirectional, straight, substantially horizontal or vertical lines
- H04N3/34—Elemental scanning area oscillated rapidly in direction transverse to main scanning direction
Definitions
- the present invention isconcerned with a sysend.
- the holes will be distributed tem that obviates this drawback, and gives the over two semi-spirals not only of differentkbut observer an impression of fixedness of the backalso of contrary pitch.
- the receiving. disc will 1 ground of the reconstituted image. not be changed whether television or" telecine- "(s,
- the image matography be involved and this is the essential is scanned twice, in opposite directions, in less practical condition.
- y y l I a T 6 o a S fi b at the sending and at v The same disc can likewise be used for send I the receiving end in order toavoid the illusion of mg cinematographic and lined images or even the displacement of the background of theimage for the television of animated subjects andthe in a fixed direction.
- teleprinting of documents; to this end; in the I The invention has been illustrated diagramcase of cinematography and even in the case of matically in. the accompanying drawings, in teleprinting, an intermittent movement will be which: I imparted to the film as is accomplished in or- Fig.
- Fig. 1 shows the image being scanned in one dinary moving picture technique andjadvantage direction and f v c will be taken of theinstant ofdwell ofisaidfilm
- Fig. 2 shows the image being scanned in the opto scan the image just as if a fixed image were posite direction.
- a concerned. v v Fig. 3 shows a scanning disc the holes of which The novel result will be to simplify the trans- 3 lie on two semi-spirals. mitting mechanism by making it more general Instead of sending out successively the contiguin character and by increasing the rapidityof ous modulated luminousbands resulting from the the teleprinting processes. l ordinary scanning operation, only half these Y We claim: p bands, for x mpl r n in n y ne 1.
- the oth half of the bands Will be xp o y one twentieth of a second, the whole image being Sca i the'image in the pp t d tion, scanned in less than one tenth of a second,iand i. e. f2 and gives the result illustrated in Fig. 2. in then traversing said image in the opposite
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Facsimiles In General (AREA)
- Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
- Optical Communication System (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1928553X | 1929-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
US1928553A true US1928553A (en) | 1933-09-26 |
Family
ID=9682313
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US481493A Expired - Lifetime US1928553A (en) | 1929-09-25 | 1930-09-12 | Method of scanning images in television |
Country Status (5)
Country | Link |
---|---|
US (1) | US1928553A (xx) |
BE (2) | BE371729A (xx) |
DE (1) | DE694830C (xx) |
FR (2) | FR697932A (xx) |
GB (2) | GB354572A (xx) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2804848A (en) * | 1954-09-30 | 1957-09-03 | Chicago Pneumatic Tool Co | Drilling apparatus |
-
0
- BE BE414981D patent/BE414981A/xx unknown
-
1929
- 1929-09-25 FR FR697932D patent/FR697932A/fr not_active Expired
-
1930
- 1930-07-05 BE BE371729D patent/BE371729A/xx unknown
- 1930-08-28 GB GB25761/30A patent/GB354572A/en not_active Expired
- 1930-09-12 US US481493A patent/US1928553A/en not_active Expired - Lifetime
-
1935
- 1935-04-12 FR FR46726D patent/FR46726E/fr not_active Expired
-
1936
- 1936-04-14 GB GB10765/36A patent/GB471825A/en not_active Expired
- 1936-04-15 DE DE1936C0051546 patent/DE694830C/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2804848A (en) * | 1954-09-30 | 1957-09-03 | Chicago Pneumatic Tool Co | Drilling apparatus |
Also Published As
Publication number | Publication date |
---|---|
GB354572A (xx) | 1931-08-13 |
FR46726E (fr) | 1936-08-10 |
BE371729A (xx) | 1930-08-30 |
BE414981A (xx) | |
GB471825A (en) | 1937-09-13 |
DE694830C (de) | 1940-08-09 |
FR697932A (fr) | 1931-01-23 |
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