DK0518946T3 - Fremgangsmåde til transmission af et videosignal - Google Patents

Fremgangsmåde til transmission af et videosignal

Info

Publication number
DK0518946T3
DK0518946T3 DK91905643.2T DK91905643T DK0518946T3 DK 0518946 T3 DK0518946 T3 DK 0518946T3 DK 91905643 T DK91905643 T DK 91905643T DK 0518946 T3 DK0518946 T3 DK 0518946T3
Authority
DK
Denmark
Prior art keywords
disturbances
additional data
colour
amplitude
transmitted
Prior art date
Application number
DK91905643.2T
Other languages
Danish (da)
English (en)
Inventor
Martin Plantholt
Original Assignee
Thomson Brandt Gmbh
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25890851&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0518946(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE4007092A external-priority patent/DE4007092A1/de
Priority claimed from DE4021698A external-priority patent/DE4021698A1/de
Application filed by Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Application granted granted Critical
Publication of DK0518946T3 publication Critical patent/DK0518946T3/da

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/007—Systems with supplementary picture signal insertion during a portion of the active part of a television signal, e.g. during top and bottom lines in a HDTV letter-box system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
    • H04N11/167—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system a resolution-increasing signal being multiplexed to the PAL-system signal, e.g. PAL-PLUS-system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/24—High-definition television systems
    • H04N11/28—High-definition television systems involving bandwidth reduction, e.g. subsampling

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Systems (AREA)
  • Television Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Details Of Television Systems (AREA)
  • Telephonic Communication Services (AREA)
  • Studio Devices (AREA)
DK91905643.2T 1990-03-07 1991-03-02 Fremgangsmåde til transmission af et videosignal DK0518946T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4007092A DE4007092A1 (de) 1990-03-07 1990-03-07 Fernsehuebertragungssystem
DE4021698A DE4021698A1 (de) 1990-07-07 1990-07-07 Fernsehuebertragungssystem

Publications (1)

Publication Number Publication Date
DK0518946T3 true DK0518946T3 (da) 1996-02-12

Family

ID=25890851

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91905643.2T DK0518946T3 (da) 1990-03-07 1991-03-02 Fremgangsmåde til transmission af et videosignal

Country Status (17)

Country Link
EP (1) EP0518946B1 (no)
JP (1) JPH05505076A (no)
KR (1) KR100212384B1 (no)
CN (1) CN1027486C (no)
AT (1) ATE131336T1 (no)
AU (1) AU642725B2 (no)
BR (1) BR9106110A (no)
DE (1) DE59107039D1 (no)
DK (1) DK0518946T3 (no)
ES (1) ES2082199T3 (no)
FI (1) FI923975A (no)
GR (1) GR3018339T3 (no)
HK (1) HK112396A (no)
HU (1) HUT63724A (no)
MY (1) MY108674A (no)
NO (1) NO179350C (no)
WO (1) WO1991014346A1 (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0460750B1 (en) * 1990-06-06 1997-01-15 Koninklijke Philips Electronics N.V. Letterbox extended television system
DE4111979A1 (de) 1991-04-12 1992-10-15 Thomson Brandt Gmbh Vorrichtung zur bildsignal-aufzeichnung und/oder -wiedergabe
EP0543038A1 (en) * 1991-11-19 1993-05-26 Samsung Electronics Co., Ltd. Color-under chroma channel encoded with auxiliary signals

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414452C1 (de) * 1984-04-17 1985-10-10 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur kompatiblen Übertragung eines Farbfernsehsignals mit Zusatzinformationen
US4882614A (en) * 1986-07-14 1989-11-21 Matsushita Electric Industrial Co., Ltd. Multiplex signal processing apparatus
US5053859A (en) * 1987-09-02 1991-10-01 Scientific-Atlanta, Inc. High definition B-MAC television signal transmission system
DE3930964A1 (de) * 1989-09-15 1991-03-28 Thomson Brandt Gmbh Fernsehuebertragungssystem

Also Published As

Publication number Publication date
BR9106110A (pt) 1993-02-24
JPH05505076A (ja) 1993-07-29
NO179350B (no) 1996-06-10
HK112396A (en) 1996-07-05
AU642725B2 (en) 1993-10-28
FI923975A0 (fi) 1992-09-04
DE59107039D1 (de) 1996-01-18
NO179350C (no) 1996-09-18
HUT63724A (en) 1993-09-28
KR100212384B1 (ko) 1999-08-02
AU7455491A (en) 1991-10-10
NO923460L (no) 1992-09-04
EP0518946B1 (de) 1995-12-06
ATE131336T1 (de) 1995-12-15
MY108674A (en) 1996-10-31
EP0518946A1 (de) 1992-12-23
NO923460D0 (no) 1992-09-04
ES2082199T3 (es) 1996-03-16
GR3018339T3 (en) 1996-03-31
FI923975A (fi) 1992-09-04
CN1027486C (zh) 1995-01-18
CN1054696A (zh) 1991-09-18
WO1991014346A1 (de) 1991-09-19

Similar Documents

Publication Publication Date Title
KR930702863A (ko) 엔티에스씨(ntsc) 공통 채널 혼신이 감소된 브이에스비 에이치디티브이(vsb hdtv) 전송 시스템
MY115343A (en) Carrier independent timing recovery system for a vestigial sideband modulated signal
CA2260491A1 (en) Method for transmitting vsb digital tv with carrier frequency near co-channel ntsc audio carrier frequency
KR890007593A (ko) 비디오신호 전송 방법 및 장치와 고선명도 tv 신호 발생용 시스템
EP0266756A3 (en) Jamming signal scrambling and descrambling systems for catv
US3726992A (en) Multiplex communication system for transmitting television and facsimile signals
US4928318A (en) Optical signal transmission system including pulsed FM modulator/demodulator
DK0518946T3 (da) Fremgangsmåde til transmission af et videosignal
US5534932A (en) Letterbox television system
US5258838A (en) HDTV transmission system with reduced NTSC co-channel interference
ES8201790A1 (es) Un receptor de television perfeccionado
US5402489A (en) Scrambled video signal transmission system with pulse-code modulated subcarrier
CA2046946A1 (en) Orthogonal multiplex signal processing apparatus
GR3006920T3 (no)
Sherratt et al. The concept of a new video detector for ghosted IF signals
JPH0460393B2 (no)
KR890011451A (ko) 텔레비젼 방송 시스템
IT1248029B (it) Procedimento di estrazione di un segnale sincrono con la frequenza di una portante modulata in ampiezza o angolarmente
AU6635390A (en) Process for transmitting a colour television signal
ES405934A1 (es) Metodo para la demodulacion de cuadratura de senales de co-lor.
EP0641126A3 (en) Apparatus for controlling transmission level of addition signal and transmitting/receiving addition signal in television system
JPH04176287A (ja) 直交多重信号処理方式及び伝送・受信装置
KR910700592A (ko) 컬러 텔레비젼 전송 시스템
EP0583040A2 (en) Letterbox television system
GB1294942A (no)