KR940023231A - 디지틀비디오카메라장치 - Google Patents

디지틀비디오카메라장치 Download PDF

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Publication number
KR940023231A
KR940023231A KR1019940005532A KR19940005532A KR940023231A KR 940023231 A KR940023231 A KR 940023231A KR 1019940005532 A KR1019940005532 A KR 1019940005532A KR 19940005532 A KR19940005532 A KR 19940005532A KR 940023231 A KR940023231 A KR 940023231A
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South Korea
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signal
digital
recording
digital signal
frequency
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KR1019940005532A
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English (en)
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KR0139134B1 (ko
Inventor
테루오 히에다
오사무 우에다
노리히로 가와하라
Original Assignee
미타리아ㅣ 하지메
캐논 가부시기가이샤
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Priority claimed from JP08557493A external-priority patent/JP3231133B2/ja
Priority claimed from JP15298193A external-priority patent/JP3281454B2/ja
Priority claimed from JP5166318A external-priority patent/JPH06351044A/ja
Application filed by 미타리아ㅣ 하지메, 캐논 가부시기가이샤 filed Critical 미타리아ㅣ 하지메
Publication of KR940023231A publication Critical patent/KR940023231A/ko
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
    • H04N25/10—Circuitry of solid-state image sensors [SSIS]; Control thereof for transforming different wavelengths into image signals
    • H04N25/11—Arrangement of colour filter arrays [CFA]; Filter mosaics
    • H04N25/13—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements
    • H04N25/135—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements
    • H04N25/136—Arrangement of colour filter arrays [CFA]; Filter mosaics characterised by the spectral characteristics of the filter elements based on four or more different wavelength filter elements using complementary colours
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/765—Interface circuits between an apparatus for recording and another apparatus
    • H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
    • H04N5/772—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera the recording apparatus and the television camera being placed in the same enclosure
    • 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
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2209/00—Details of colour television systems
    • H04N2209/04—Picture signal generators
    • H04N2209/041—Picture signal generators using solid-state devices
    • H04N2209/042—Picture signal generators using solid-state devices having a single pick-up sensor
    • H04N2209/045—Picture signal generators using solid-state devices having a single pick-up sensor using mosaic colour filter
    • H04N2209/046—Colour interpolation to calculate the missing colour values
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S358/00—Facsimile and static presentation processing
    • Y10S358/906—Hand-held camera with recorder in a single unit

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Color Television Image Signal Generators (AREA)
  • Television Signal Processing For Recording (AREA)
  • Processing Of Color Television Signals (AREA)

Abstract

부품수를 삭감하고 디지틀 VTR와의 접속을 용이하게 하기 위하여, 의부단자(110,118)로부터 입력된 휘도신호(Y)와 색신호(C)를, A/D변환기(136,138)에서, 디지틀 기록/재생장치(113)의 샘플링주파수와 부반송파주파수의 4배의 주파수로 각각 샘플링하여 디지틀신호로 변환시키고, 디지틀신호는 디지틀신호처리회로(106)로부터의 신호(Y),(C)와 함께 선택기(135,137)에 의해 선택되고, 선택된 신호는 디지틀신호기록/재생장치(113)에 공급된다. 색차신호는, 주파수변환기(139a,139b)에서 디지틀신호기록/재생장치(113)의 샘플링 주파수로 변환한 후에, 공급된다.

Description

디지틀비디오카메라장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 제1도(A)와 제1도(B)로 이루어진 도면으로서, 종래의 디지틀비디오카메라장치의 구성을 도시한 블록도, 제2도는 제2도(A)와 제2도(B)로 이루어진 도면으로서, 본 발명의 제1실시예에 의한 디지틀비디오카메라장치를 도시한 블록도, 제3도는, 제3도(A)와 제3도(B)로 이루어진 도면으로서, 본 발명의 제2실시예에 의한 디지틀비디오카메라장치를 도시한 블록도.

Claims (8)

  1. 디지틀신호처리수단에 의해 촬상소자의 촬상신호를 처리해서 얻은 디지틀휘도신호의 디지틀색정보신호를 디지틀신호기록장치에 공급하고, 또한 외부장치로부터 입력되는 애널로휘도신호와 애널로그색정보신호를 상기 디지틀신호기록장치에 공급하는 디지틀비디오카메라장치에 있어서, 상기 디지틀신호기록장치에 공급되는 외부입력애널로그휘도신호를 상기 디지틀신호기록장치의 샘프링주파수로 A/D변환하는 A/D변환기와, 상기 디지틀신호기록장치에 공급되는 외부입력애널로그색정보신호를 부반송파주파수의 정수배에 대응하는 주파수로 A/D변환하는 A/D변환기를 포함하는 것을 특징으로 하는 디지틀비디오카메라장치.
  2. 디지틀신호처리수단에 의해 촬상소자의 촬상신호를 처리하여 얻은 디지틀휘도신호와 디지틀색차신호를 디지틀신호기록/재생장치에 공급하는 디지틀비디오카메라장치에 있어서, 다지틀신호기록/재생장치로부터의 재생색차신호의 샘플링주파수를 상기 디지틀신호기록/재생장치의 샘플링주파수로부터 부반송파주파수의 정수배에 대응하는 주파수로 변환하는 주파수변환기와, 기록모드시에는, 상기 디지틀신호처리수단으로부터 출력된 디지틀색차신호를 변조하고, 또한 재생모드시에는, 상기 주파수변환기로부터의 출력신호를 변조하는 디지틀변조기를 포함한 것을 특징으로 하는 디지틀비디오카메라장치.
  3. 디지틀신호처리수단에 의해 촬상소자의 촬상신호를 처리하여 얻은 디지틀휘도신호와 부반송파주파수의 정수배에 대응하는 샘플링주파수를 가지는 디지틀색차신호를 디지틀신호기록/재생장치에 공급하는 디지틀비디오카메라장치에 있어서, 기록모드시에는, 디지틀색차신호의 샘플링주파수를 상기 디지틀신호기록/재생장치의 샘플링주파수로 변환하는 주파수변환기와, 상기 디지틀신호기록/재생장치의 샘플링주파수에서 상기 주파수변환기 또는 상기 디지틀신호기록/재생장치로부터 재생된 색차신호를 D/A변환하는 D/A변환기를 포함한 것을 특징으로 하는 디지틀비디오카메라장치.
  4. 디지틀신호처리회로와 디지틀신호기록장치를 가지고, 촬상소자로부터 얻은 애널로그영상신호를 디지틀영상신호로 변환하고, 변환된 디지틀영상신호를 상기 디지틀신호처리회로에 공급하고, 상기 디지틀신호기록장치에 의해, 소정의 신호처리를 행한 후에, 기록매체상에 디지틀영상신호를 기록하는 디지틀비디오카메라장치에 있어서, 상기 디지틀신호처리회로로부터 상기 디지틀신호기록장치에 공급하는 신호중, 휘도신호는 애널로그신호의 상태로 공급되고, 색정보신호는 디지틀신호의 상태로 공급되는 것을 특징으로 하는 디지틀비디오카메라장치.
  5. 제4항에 있어서, 색정보신호는, 상기 촬상소자의 클록주파수에서 샘플링된 디지틀신호의 상태로 공급되는 것을 특징으로 하는 디지틀비디오카메라장치.
  6. 제4항 에 있어서, 외부입력휘도신호는 애널로그신호의 상태로 공급되고, 외부입력색정보신호는, 부반송파주파수의 4배인 주파수로 샘플링된 디지틀신호의 상태로 공급되는 것을 특징으로 하는 디지틀비디오카메라장치.
  7. 전자적으로 화상을 확대하거나 축소하는 전자줌회로를 가지는 촬상기록장치에 있어서, 촬상유니트를 동작시키기 위한 제1클록과, 제1클록의 주파수의 상이한 주파수를 가지고, 기록유니트를 동작시키기 위한 제2클록을 가지고, 상기 전자줌회로내에서 제1클록레이트의 촬상영상신호데이터를 제2클록레이트의 영상신호데이터로 변환하는 것을 특징으로 하는 촬상기록장치.
  8. 컬러촬상소자출력신호를 A/D변환하여 얻은 디지틀신호로부터 휘도신호와 색정보신호를 분리해서 형성하는 회로는, 복수단의 지연회로와, 이 복수단의 지연회로로부터의 출력에 소정의 계수를 승산하는 복수의 계수승산기와, 이 복수의 계수승산기의 출력을 합산하는 가산기와, 상기 복수단의 지연회로로부터 출력된 신호의 일부를 사용해서 색신호를 형성하는 색신호형성회로로 구성된 것을 특징으로 하는 촬상기록장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940005532A 1993-03-19 1994-03-19 디지틀비디오카메라장치(digital videl camera apparatus) KR0139134B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP08557493A JP3231133B2 (ja) 1993-03-19 1993-03-19 ディジタルビデオカメラ装置
JP93-85574 1993-03-19
JP93-152981 1993-05-31
JP15298193A JP3281454B2 (ja) 1993-05-31 1993-05-31 撮像記録装置
JP5166318A JPH06351044A (ja) 1993-06-11 1993-06-11 ディジタルビデオカメラ装置
JP93-166318 1993-06-11

Publications (2)

Publication Number Publication Date
KR940023231A true KR940023231A (ko) 1994-10-22
KR0139134B1 KR0139134B1 (ko) 1998-05-15

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Application Number Title Priority Date Filing Date
KR1019940005532A KR0139134B1 (ko) 1993-03-19 1994-03-19 디지틀비디오카메라장치(digital videl camera apparatus)
KR97055873A KR0139117B1 (en) 1993-03-19 1997-10-29 Digital video camera apparatus
KR97055874A KR0139116B1 (en) 1993-03-19 1997-10-29 Digital video camera apparatus

Family Applications After (2)

Application Number Title Priority Date Filing Date
KR97055873A KR0139117B1 (en) 1993-03-19 1997-10-29 Digital video camera apparatus
KR97055874A KR0139116B1 (en) 1993-03-19 1997-10-29 Digital video camera apparatus

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Country Link
US (6) US5570128A (ko)
EP (3) EP0868090B1 (ko)
KR (3) KR0139134B1 (ko)
CN (2) CN1048131C (ko)
DE (3) DE69429677T2 (ko)

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US5552826A (en) 1996-09-03
US5966171A (en) 1999-10-12
CN1155227C (zh) 2004-06-23
DE69421309T2 (de) 2000-04-13
US5570128A (en) 1996-10-29
DE69429677D1 (de) 2002-02-21
EP0618739B1 (en) 1999-10-27
CN1103741A (zh) 1995-06-14
CN1048131C (zh) 2000-01-05
EP0868090B1 (en) 2002-01-16
DE69421309D1 (de) 1999-12-02
EP0868078B1 (en) 2001-08-29
EP0868078A1 (en) 1998-09-30
DE69428140D1 (de) 2001-10-04
KR0139117B1 (en) 1998-05-15
US6380974B1 (en) 2002-04-30
EP0618739A2 (en) 1994-10-05
CN1275860A (zh) 2000-12-06
DE69429677T2 (de) 2002-08-14
KR0139116B1 (en) 1998-05-15
KR0139134B1 (ko) 1998-05-15
US5572254A (en) 1996-11-05
EP0618739A3 (en) 1995-09-27
US5572253A (en) 1996-11-05
EP0868090A1 (en) 1998-09-30

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