GB420391A - Improvements in or relating to television systems - Google Patents

Improvements in or relating to television systems

Info

Publication number
GB420391A
GB420391A GB20410/33A GB2041033A GB420391A GB 420391 A GB420391 A GB 420391A GB 20410/33 A GB20410/33 A GB 20410/33A GB 2041033 A GB2041033 A GB 2041033A GB 420391 A GB420391 A GB 420391A
Authority
GB
United Kingdom
Prior art keywords
frame component
scanned
lines
frame
component
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
Application number
GB20410/33A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB420391A publication Critical patent/GB420391A/en
Expired legal-status Critical Current

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
    • H04N3/30—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

Abstract

420,391. Television. MARCONI'S WIRELESS TELEGRAPH CO., Ltd., Marconi House, Strand, London.-(Assignees of Ballard, R. C. ; 119, East 10th Street, Marion, Indiana, U.S.A.) July 19, 1933, No. 20410. Convention date, July 19, 1932. [Class 40 (iii)] In a scanning system in which intermeshed lines are scanned in successive scannings, the wave form representing the frame component repeats itself at frame frequency, and the wave form representing the line component repeats itself at the line frequency as usual. The number of lines scanned during each repetition of the frame component is a whole number plus a fraction DE, EC, which is the recpirocal of the number of repetitions of the frame component necessary for a complete scanning. At the transmitter a picture film is moved uniformly longitudinally and scanned transversely in straight lines by an apertured disc, Fig. 1 (not shown). At the receiver generators of the frame component and the line component pass current through the deflecting-coils of a cathode-ray tube, Fig. 3 (not shown).
GB20410/33A 1932-07-19 1933-07-19 Improvements in or relating to television systems Expired GB420391A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US623325A US2152234A (en) 1932-07-19 1932-07-19 Television system

Publications (1)

Publication Number Publication Date
GB420391A true GB420391A (en) 1934-11-30

Family

ID=24497648

Family Applications (1)

Application Number Title Priority Date Filing Date
GB20410/33A Expired GB420391A (en) 1932-07-19 1933-07-19 Improvements in or relating to television systems

Country Status (3)

Country Link
US (1) US2152234A (en)
BE (2) BE397676A (en)
GB (1) GB420391A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479880A (en) * 1936-07-04 1949-08-23 Toulon Pierre Marie Gabriel Discontinuous interlaced scanning system

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2521008A (en) * 1944-06-27 1950-09-05 John H Homrighous Television and sound multiplex system
US2546972A (en) * 1945-03-17 1951-04-03 Int Standard Electric Corp Television synchronizing system
US3351707A (en) * 1965-05-04 1967-11-07 Photo Electronics Corp Electronic color viewer
US3624291A (en) * 1968-12-28 1971-11-30 Olympus Optical Co Optically interlaced scanning and reproducing apparatus using multiple drums to permit scanning of motion picture film or stationary film

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2479880A (en) * 1936-07-04 1949-08-23 Toulon Pierre Marie Gabriel Discontinuous interlaced scanning system

Also Published As

Publication number Publication date
BE397676A (en)
US2152234A (en) 1939-03-28
BE409519A (en)

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