GB779019A - Improvements in or relating to carrier-wave transmission systems for television signals - Google Patents

Improvements in or relating to carrier-wave transmission systems for television signals

Info

Publication number
GB779019A
GB779019A GB31666/54A GB3166654A GB779019A GB 779019 A GB779019 A GB 779019A GB 31666/54 A GB31666/54 A GB 31666/54A GB 3166654 A GB3166654 A GB 3166654A GB 779019 A GB779019 A GB 779019A
Authority
GB
United Kingdom
Prior art keywords
subcarrier
modulation
main carrier
frequency
amplitude
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
GB31666/54A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB779019A publication Critical patent/GB779019A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J9/00—Multiplex systems in which each channel is represented by a different type of modulation of the carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Television Systems (AREA)
GB31666/54A 1953-11-05 1954-11-02 Improvements in or relating to carrier-wave transmission systems for television signals Expired GB779019A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1013691X 1953-11-05

Publications (1)

Publication Number Publication Date
GB779019A true GB779019A (en) 1957-07-17

Family

ID=9571805

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31666/54A Expired GB779019A (en) 1953-11-05 1954-11-02 Improvements in or relating to carrier-wave transmission systems for television signals

Country Status (4)

Country Link
BE (1) BE533099A (enrdf_load_stackoverflow)
DE (1) DE1013691B (enrdf_load_stackoverflow)
FR (1) FR1093546A (enrdf_load_stackoverflow)
GB (1) GB779019A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118806A (en) * 1982-04-22 1983-11-02 Elliott Bros Communication system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1227526B (de) * 1959-03-11 1966-10-27 Loewe Opta Gmbh FM-UEbertragungssystem fuer zwei Niederfrequenzsignale auf einem gemeinsamen Hochfrequenztraeger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2118806A (en) * 1982-04-22 1983-11-02 Elliott Bros Communication system
US4519067A (en) * 1982-04-22 1985-05-21 Marconi Avionics Limited Communication system providing amplifier gain by half-cycle carrier signal control

Also Published As

Publication number Publication date
FR1093546A (fr) 1955-05-05
DE1013691B (de) 1957-08-14
BE533099A (enrdf_load_stackoverflow)

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