GB407409A - Improvements in or relating to television systems - Google Patents

Improvements in or relating to television systems

Info

Publication number
GB407409A
GB407409A GB26385/32A GB2638532A GB407409A GB 407409 A GB407409 A GB 407409A GB 26385/32 A GB26385/32 A GB 26385/32A GB 2638532 A GB2638532 A GB 2638532A GB 407409 A GB407409 A GB 407409A
Authority
GB
United Kingdom
Prior art keywords
picture
impulses
synchronizing
frequency
line
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
GB26385/32A
Other languages
English (en)
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 GB407409A publication Critical patent/GB407409A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/08—Separation of synchronising signals from picture signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Television Systems (AREA)
  • Closed-Circuit Television Systems (AREA)
GB26385/32A 1931-09-30 1932-09-22 Improvements in or relating to television systems Expired GB407409A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US565953A US2178758A (en) 1931-09-30 1931-09-30 Television system

Publications (1)

Publication Number Publication Date
GB407409A true GB407409A (en) 1934-03-22

Family

ID=24260799

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26385/32A Expired GB407409A (en) 1931-09-30 1932-09-22 Improvements in or relating to television systems

Country Status (4)

Country Link
US (1) US2178758A (fr)
DE (1) DE641094C (fr)
FR (1) FR742671A (fr)
GB (1) GB407409A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE741786C (de) * 1936-07-17 1943-11-17 Opta Radio Ag Fernsehabtastanordnung, bei welcher der das Bild abtastende Lichtstrahl auch zur Synchronisierzeichenerzeugung dient
DE743485C (de) * 1934-06-08 1943-12-27 Opta Radio Ag Anordnung zur Erzeugung von Synchronisierimpulsen und zu ihrer Einfuegung in die Bildsignalfolge bei Fernsehsendungen

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL43271C (fr) * 1933-08-08
GB448031A (en) * 1934-08-31 1936-06-02 Edward Cecil Cork Improvements in or relating to synchronising means for television and like purposes
DE740116C (de) * 1934-12-02 1943-10-12 Opta Radio Ag Anordnung zur optisch-elektrischen Erzeugung von Synchronisierzeichen beim Fernsehen
GB455375A (en) * 1935-01-15 1936-10-15 Edward Cecil Cork Improvements in and relating to television and like systems
US2510070A (en) * 1945-05-18 1950-06-06 Farnsworth Res Corp Television scanning system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE743485C (de) * 1934-06-08 1943-12-27 Opta Radio Ag Anordnung zur Erzeugung von Synchronisierimpulsen und zu ihrer Einfuegung in die Bildsignalfolge bei Fernsehsendungen
DE741786C (de) * 1936-07-17 1943-11-17 Opta Radio Ag Fernsehabtastanordnung, bei welcher der das Bild abtastende Lichtstrahl auch zur Synchronisierzeichenerzeugung dient

Also Published As

Publication number Publication date
FR742671A (fr) 1933-03-13
US2178758A (en) 1939-11-07
DE641094C (de) 1937-01-19

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