CA2052225A1 - Circuit d'insertion et d'extraction de signaux de repliement de frequence et methode de generation de ces signaux - Google Patents

Circuit d'insertion et d'extraction de signaux de repliement de frequence et methode de generation de ces signaux

Info

Publication number
CA2052225A1
CA2052225A1 CA2052225A CA2052225A CA2052225A1 CA 2052225 A1 CA2052225 A1 CA 2052225A1 CA 2052225 A CA2052225 A CA 2052225A CA 2052225 A CA2052225 A CA 2052225A CA 2052225 A1 CA2052225 A1 CA 2052225A1
Authority
CA
Canada
Prior art keywords
frequency folding
folding information
video signal
frequency
adder
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.)
Granted
Application number
CA2052225A
Other languages
English (en)
Other versions
CA2052225C (fr
Inventor
Yong-Je Kim
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.)
Samsung Electronics Co Ltd
Original Assignee
Samsung Electronics 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 Samsung Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of CA2052225A1 publication Critical patent/CA2052225A1/fr
Application granted granted Critical
Publication of CA2052225C publication Critical patent/CA2052225C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • G11B20/06—Angle-modulation recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7904—Processing of colour television signals in connection with recording using intermediate digital signal processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/797—Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal
    • H04N9/7976—Processing of colour television signals in connection with recording for recording the signal in a plurality of channels, the bandwidth of each channel being less than the bandwidth of the signal by spectrum folding of the high frequency components of the luminance signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
CA002052225A 1990-10-31 1991-09-25 Circuit d'insertion et d'extraction de signaux de repliement de frequence et methode de generation de ces signaux Expired - Fee Related CA2052225C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR90-17587 1990-10-31
KR1019900017587A KR930002795B1 (ko) 1990-10-31 1990-10-31 주파수 중첩정보 삽입 및 분리회로

Publications (2)

Publication Number Publication Date
CA2052225A1 true CA2052225A1 (fr) 1992-05-01
CA2052225C CA2052225C (fr) 1996-05-21

Family

ID=19305474

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002052225A Expired - Fee Related CA2052225C (fr) 1990-10-31 1991-09-25 Circuit d'insertion et d'extraction de signaux de repliement de frequence et methode de generation de ces signaux

Country Status (9)

Country Link
US (1) US5740302A (fr)
EP (2) EP0484154B1 (fr)
JP (1) JP3110107B2 (fr)
KR (1) KR930002795B1 (fr)
CN (1) CN1029184C (fr)
CA (1) CA2052225C (fr)
DE (2) DE69123706T2 (fr)
ES (2) ES2182923T3 (fr)
RU (1) RU2087080C1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5822490A (en) * 1990-05-31 1998-10-13 Samsung Electronics Co., Ltd. Apparatus and method for color-under chroma channel encoded with a high frequency luminance signal
US5500739A (en) * 1990-05-31 1996-03-19 Samsung Electronics Co., Ltd. Frequency-multiplexing FM luma signal with color and 2nd under signals having overlapping frequency spectra
US6134373A (en) * 1990-08-17 2000-10-17 Samsung Electronics Co., Ltd. System for recording and reproducing a wide bandwidth video signal via a narrow bandwidth medium
US5673355A (en) * 1990-08-17 1997-09-30 Samsung Electronics Co., Ltd. Deemphasis & Subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal
US6104863A (en) 1990-08-17 2000-08-15 Samsung Electronics Co., Ltd. Video signal encoded with additional detail information
KR930010928B1 (ko) * 1990-08-17 1993-11-17 삼성전자 주식회사 비디오 신호 기록 및 재생장치
US6246827B1 (en) 1990-08-17 2001-06-12 Samsung Electronics Co., Ltd. Deemphasis and subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal
US5596418A (en) * 1990-08-17 1997-01-21 Samsung Electronics Co., Ltd. Deemphasis and subsequent reemphasis of high-energy reversed-spectrum components of a folded video signal
CN100348029C (zh) * 1994-09-26 2007-11-07 三菱电机株式会社 数字视频信号的记录和重放设备及其记录和重放的方法
GB9421206D0 (en) * 1994-10-20 1994-12-07 Thomson Consumer Electronics Digital VCR MPEG- trick play processing
UA56279C2 (uk) * 1997-11-04 2003-05-15 Джорджія Тек Ресерч Корпорейшн Система і спосіб підтримки синхронізації за часом у мережі цифрового відео
US7953293B2 (en) * 2006-05-02 2011-05-31 Ati Technologies Ulc Field sequence detector, method and video device

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5413938B2 (fr) * 1973-07-24 1979-06-04
US4745460A (en) * 1983-03-18 1988-05-17 Hitachi, Ltd. Method for transmitting a television signal by field to field processing
US5063457A (en) * 1986-11-19 1991-11-05 Canon Kabushiki Kaisha Wide-band video signal recording apparatus by using frequency interleave
US4831463A (en) * 1987-01-30 1989-05-16 Faroudja Y C Video processing in which high frequency luminance components are folded into a mid-band spectrum
US4819059A (en) * 1987-11-13 1989-04-04 Polaroid Corporation System and method for formatting a composite still and moving image defining electronic information signal
JPH01221070A (ja) * 1988-02-29 1989-09-04 Casio Comput Co Ltd 画像情報処理装置
US4912549A (en) * 1988-09-07 1990-03-27 Rca Licensing Corporation Video signal synchronization system as for an extended definition widescreen television signal processing system
US5012239A (en) * 1989-08-21 1991-04-30 Visa-Trak Corporation High resolution position sensor circuit
US5023727A (en) * 1989-10-12 1991-06-11 Ian A. R. Boyd Method and device for producing a substantially continuous composite video signal
JPH03132183A (ja) * 1989-10-18 1991-06-05 Hitachi Ltd ディジタル画像再生方式
US5025496A (en) * 1990-05-07 1991-06-18 Rca Licensing Corporation Odd/even field detector for video signals
US5113262A (en) * 1990-08-17 1992-05-12 Samsung Electronics Co., Ltd. Video signal recording system enabling limited bandwidth recording and playback
KR930012145B1 (ko) * 1990-10-31 1993-12-24 삼성전자 주식회사 상이한 영상시스템간에 있어서 재생시 호환성을 유지하는 휘도신호 재생회로 및 그 방법
US5208707A (en) * 1990-10-31 1993-05-04 Samsung Electronics Co., Ltd. Circuit for maintaining compatibility between different image systems during reproduction having an adaptive de-emphasis unit
KR930008182B1 (ko) * 1990-11-27 1993-08-26 삼성전자 주식회사 동신호 검출회로
KR940007160B1 (ko) * 1991-06-27 1994-08-06 삼성전자 주식회사 동적용 주파수 중첩방법 및 장치

Also Published As

Publication number Publication date
US5740302A (en) 1998-04-14
EP0484154A3 (en) 1993-05-05
EP0719056A2 (fr) 1996-06-26
DE69133117T2 (de) 2003-01-16
EP0719056A3 (fr) 1996-09-04
EP0719056B1 (fr) 2002-09-18
CN1029184C (zh) 1995-06-28
CA2052225C (fr) 1996-05-21
DE69123706D1 (de) 1997-01-30
JP3110107B2 (ja) 2000-11-20
EP0484154B1 (fr) 1996-12-18
EP0484154A2 (fr) 1992-05-06
RU2087080C1 (ru) 1997-08-10
DE69133117D1 (de) 2002-10-24
KR920008719A (ko) 1992-05-28
ES2098332T3 (es) 1997-05-01
DE69123706T2 (de) 1997-06-19
KR930002795B1 (ko) 1993-04-10
CN1062067A (zh) 1992-06-17
ES2182923T3 (es) 2003-03-16
JPH04332282A (ja) 1992-11-19

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Legal Events

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EEER Examination request
MKLA Lapsed