KR920018738A - 브이씨알의 테이프 녹화 시스템 - Google Patents

브이씨알의 테이프 녹화 시스템 Download PDF

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Publication number
KR920018738A
KR920018738A KR1019910004810A KR910004810A KR920018738A KR 920018738 A KR920018738 A KR 920018738A KR 1019910004810 A KR1019910004810 A KR 1019910004810A KR 910004810 A KR910004810 A KR 910004810A KR 920018738 A KR920018738 A KR 920018738A
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KR
South Korea
Prior art keywords
recording
signal
unit
high frequency
tape
Prior art date
Application number
KR1019910004810A
Other languages
English (en)
Other versions
KR940003669B1 (ko
Inventor
홍성현
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019910004810A priority Critical patent/KR940003669B1/ko
Priority to US07/859,042 priority patent/US5233435A/en
Priority to JP4070862A priority patent/JPH0591463A/ja
Publication of KR920018738A publication Critical patent/KR920018738A/ko
Application granted granted Critical
Publication of KR940003669B1 publication Critical patent/KR940003669B1/ko

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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
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/125—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams conditioned by the operating function of the apparatus
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/022—Electronic editing of analogue information signals, e.g. audio or video signals
    • G11B27/024—Electronic editing of analogue information signals, e.g. audio or video signals on tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/86—Re-recording, i.e. transcribing information from one magnetisable record carrier on to one or more similar or dissimilar record carriers
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers
    • 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
    • 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
    • H04N9/83—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 the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

내용 없음

Description

브이씨알의 테이프 녹화 시스템
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
첨부한 도면은 본 발명 브이씨알의 테이프 녹화 시스템 구성도이다.

Claims (3)

  1. 재생브이씨알(A)의 재생비디오헤드(1) (2)에서 검출한 비디오신호를 전치증폭부(3) (4)를 통해 가산기(5)서 합성하여 주파수변조부(7) 및 저역필터부(8)를 통해 휘도신호로 검출한 후 저역필터부(10), 색도변환부(11) 및 대역필터부(12)를 통해 검출한 색도신호와 가산기(14)에서 합성하고, 그 합성된 복합비디오신호를 녹화브이씨알(B)의 주파수변조부(21) 및 저역필터부(25)를 통해 변조 및 필터링하여 신호합성부(26), 기록증폭부(35)를 통해 녹화테이프(39)에 기록하는 브이씨알의 녹화 시스템에 있어서, 상기 가산기(5)에서 합성된 재생고주파신호를 버퍼링하는 버퍼부(13)와, 녹화시 테이프녹화신호(TRS)의 레벨에 따라 스위칭되어 상기 버퍼부(13)의 재생고주파신호 및 가산기(14)의 복합비디오신호를 선택하는 재생선택부(15)와, 상기 재생선택부(15)의 복합비디오 신호 및 재생고주파신호를 테이프녹화신호(TRS)의 레벨에 따라 절환되어 선택 출력하는 녹화브이씨알(B)의 녹화선택부(16)와, 상기 녹화선택부(16)에서 선택출력된 재생고주파신호를 일정레벨로 조절하는 재생조절부(31)와, 상기 재생조절부(31)의 재생고주파신호 및 주파수변조부(21)의 휘도신호를 각기 검파하는 엔벌로프검파부(32) (27)와, 상기 엔벌로프검파부(32) (27)의 출력신호를 적분하는 적분기(33) (28)와, 상기 적분기(28) (33)의 출력신호를 비교하여 그에따른 제어전압을 출력하는 비교부(29)와, 상기 비교부(29)의 출력전압에 따라 재생고주파신호 및 휘도신호의 레벨을 표시하여 주는 레벨표시부(30)와, 상기 테이프녹화신호(TRS)의 레벨에 따라 스위칭절환되어 재생조절부(31)의 재생고주파신호 및 신호합성부(26)의 복합비디오신호를 선택하여 기록증폭부(35)를 통해 녹화테이프(39)에 기록하는 신호 선택부(34)로서 구성함을 특징으로 한 브이씨알의 테이프 녹화 시스템.
  2. 제1항에 있어서, 재생조절부(31)는 상기 녹화선택부(16)의 재생고주파신호를 소정레벨로 증폭하는 증폭기(AMP1)와, 상기 증폭기(AMP1)의 출력신호를 적정기록전류로 맞추기 위한 가변저항 (VR1)으로서 구성됨을 특징으로 한 브이씨알의 테이프 녹화 시스템.
  3. 제1항에 있어서, 레벨표시부(30)는 상기 비교부(29)의 출력전압에 따라 온-오프스위칭되는 트랜지스터(Q1)와, 상기 트랜지스터(Q1)의 구동에 의해 점. 소등하는 발광다이오드(LED1)로서 구성됨을 특징으로 한 브이씨알의 테이프 녹화 시스템.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910004810A 1991-03-27 1991-03-27 브이씨알의 테이프 녹화 시스템 KR940003669B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019910004810A KR940003669B1 (ko) 1991-03-27 1991-03-27 브이씨알의 테이프 녹화 시스템
US07/859,042 US5233435A (en) 1991-03-27 1992-03-27 Tape recording system for video cassette tape recorder
JP4070862A JPH0591463A (ja) 1991-03-27 1992-03-27 ビデオテープレコーダーのテープ録画装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910004810A KR940003669B1 (ko) 1991-03-27 1991-03-27 브이씨알의 테이프 녹화 시스템

Publications (2)

Publication Number Publication Date
KR920018738A true KR920018738A (ko) 1992-10-22
KR940003669B1 KR940003669B1 (ko) 1994-04-25

Family

ID=19312552

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910004810A KR940003669B1 (ko) 1991-03-27 1991-03-27 브이씨알의 테이프 녹화 시스템

Country Status (3)

Country Link
US (1) US5233435A (ko)
JP (1) JPH0591463A (ko)
KR (1) KR940003669B1 (ko)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5475780A (en) * 1993-06-17 1995-12-12 At&T Corp. Optical waveguiding component comprising a band-pass filter
US5621535A (en) * 1993-09-01 1997-04-15 Apple Computer, Inc. Direct digital synthesis of video signal recording waveforms from baseband digital signals provided by a computer interface for compatible recording onto analog video tape
JP3039565U (ja) * 1997-01-14 1997-07-22 船井電機株式会社 磁気テープ再生装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0722411B2 (ja) * 1985-05-13 1995-03-08 株式会社日立製作所 デイジタル記録再生装置
US4827357A (en) * 1986-05-24 1989-05-02 Fuji Photo Film Co., Ltd. Apparatus for copying modulated video signals from recording medium to recording medium including color and chroma correction
KR910009144Y1 (ko) * 1988-04-07 1991-11-25 삼성전자 주식회사 Vtr의 fm신호 전달 기록 시스템

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Publication number Publication date
US5233435A (en) 1993-08-03
KR940003669B1 (ko) 1994-04-25
JPH0591463A (ja) 1993-04-09

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