KR940001422B1 - 비디오 시그날에서 고주파수의 적응 디엠퍼시스와 리엠퍼시스 - Google Patents

비디오 시그날에서 고주파수의 적응 디엠퍼시스와 리엠퍼시스 Download PDF

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Publication number
KR940001422B1
KR940001422B1 KR1019910003385A KR910003385A KR940001422B1 KR 940001422 B1 KR940001422 B1 KR 940001422B1 KR 1019910003385 A KR1019910003385 A KR 1019910003385A KR 910003385 A KR910003385 A KR 910003385A KR 940001422 B1 KR940001422 B1 KR 940001422B1
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KR
South Korea
Prior art keywords
high frequency
luminance signal
frequency portion
signal
level
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 - Fee Related
Application number
KR1019910003385A
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English (en)
Korean (ko)
Other versions
KR920017069A (ko
Inventor
웨담 웨너 에프
에이취. 스트롤 크리스토퍼
Original Assignee
삼성전자 주식회사
강진구
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Publication date
Application filed by 삼성전자 주식회사, 강진구 filed Critical 삼성전자 주식회사
Publication of KR920017069A publication Critical patent/KR920017069A/ko
Application granted granted Critical
Publication of KR940001422B1 publication Critical patent/KR940001422B1/ko
Anticipated expiration legal-status Critical
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/797Processing 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
    • H04N9/7976Processing 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02Analogue recording or reproducing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/92Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/923Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/82Transformation 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
    • H04N9/8205Transformation 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

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Television Signal Processing For Recording (AREA)
  • Picture Signal Circuits (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Semiconductor Lasers (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Systems (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Details Of Television Scanning (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Holo Graphy (AREA)
KR1019910003385A 1990-10-26 1991-02-28 비디오 시그날에서 고주파수의 적응 디엠퍼시스와 리엠퍼시스 Expired - Fee Related KR940001422B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US60449390A 1990-10-26 1990-10-26
US7/604,493 1990-10-26

Publications (2)

Publication Number Publication Date
KR920017069A KR920017069A (ko) 1992-09-26
KR940001422B1 true KR940001422B1 (ko) 1994-02-23

Family

ID=24419822

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910003385A Expired - Fee Related KR940001422B1 (ko) 1990-10-26 1991-02-28 비디오 시그날에서 고주파수의 적응 디엠퍼시스와 리엠퍼시스

Country Status (11)

Country Link
EP (2) EP0482945B1 (https=)
JP (1) JP2672422B2 (https=)
KR (1) KR940001422B1 (https=)
CN (1) CN1030956C (https=)
AT (2) ATE192888T1 (https=)
CA (1) CA2053966C (https=)
DE (3) DE9117171U1 (https=)
DK (1) DK0482945T3 (https=)
ES (1) ES2089150T3 (https=)
PT (1) PT99332A (https=)
TW (1) TW242212B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930010356B1 (ko) * 1991-06-27 1993-10-16 삼성전자 주식회사 동적응재생회로

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230467B (de) * 1960-12-19 1966-12-15 Minnesota Mining & Mfg Einrichtung zur Verbesserung des Verhaeltnisses von Signalspannung zu Rauschspannung bei der UEbertragung oder magnetischen Speicherung von elektrischen Signalen
JPS5551938A (en) * 1978-10-06 1980-04-16 Nissan Motor Co Ltd Exhaust gas refluxing device for internal combustion engine
JPS55117712A (en) * 1979-02-28 1980-09-10 Matsushita Electric Ind Co Ltd Noise reduction circuit of video signal recording and reproducing device
JPS60152646A (ja) * 1984-01-23 1985-08-10 Kobe Steel Ltd 半導体用リ−ドフレ−ム材
JPS6236991A (ja) * 1985-08-12 1987-02-17 Hitachi Ltd クリツプ補償回路
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

Also Published As

Publication number Publication date
KR920017069A (ko) 1992-09-26
CN1030956C (zh) 1996-02-07
EP0482945B1 (en) 1996-05-22
TW242212B (https=) 1995-03-01
CA2053966A1 (en) 1992-04-27
PT99332A (pt) 1993-12-31
DE69132194T2 (de) 2000-10-05
DK0482945T3 (da) 1996-06-24
DE69132194D1 (de) 2000-06-15
EP0482945A2 (en) 1992-04-29
EP0698997A2 (en) 1996-02-28
ATE192888T1 (de) 2000-05-15
EP0698997A3 (https=) 1996-03-13
ES2089150T3 (es) 1996-10-01
EP0482945A3 (en) 1993-03-03
DE69119693T2 (de) 1996-11-28
JP2672422B2 (ja) 1997-11-05
JPH04284788A (ja) 1992-10-09
CA2053966C (en) 1997-04-22
DE69119693D1 (de) 1996-06-27
DE9117171U1 (de) 1996-09-12
CN1061125A (zh) 1992-05-13
ATE138522T1 (de) 1996-06-15
EP0698997B1 (en) 2000-05-10

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