KR910010462A - Zenith Voice Multiple VCR and NTSC Two Carrier VCR - Google Patents

Zenith Voice Multiple VCR and NTSC Two Carrier VCR Download PDF

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Publication number
KR910010462A
KR910010462A KR1019890017604A KR890017604A KR910010462A KR 910010462 A KR910010462 A KR 910010462A KR 1019890017604 A KR1019890017604 A KR 1019890017604A KR 890017604 A KR890017604 A KR 890017604A KR 910010462 A KR910010462 A KR 910010462A
Authority
KR
South Korea
Prior art keywords
vcr
ntsc
zenith
carrier
low pass
Prior art date
Application number
KR1019890017604A
Other languages
Korean (ko)
Other versions
KR920004445B1 (en
Inventor
강낙중
Original Assignee
박창성
금성알프스전자 주식회사
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.)
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Publication date
Application filed by 박창성, 금성알프스전자 주식회사 filed Critical 박창성
Priority to KR1019890017604A priority Critical patent/KR920004445B1/en
Publication of KR910010462A publication Critical patent/KR910010462A/en
Application granted granted Critical
Publication of KR920004445B1 publication Critical patent/KR920004445B1/en

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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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10018—Improvement or modification of read or write signals analog processing for digital recording or reproduction
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

내용 없음.No content.

Description

제니스(Zenith) 방식 음성다중 VCR과 NTSC 2반송파방식 VCR의 공용화 회로Zenith Voice Multiple VCR and NTSC Two Carrier VCR

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제 1 도는 본 발명의 회로도.1 is a circuit diagram of the present invention.

제 2a 도는 메인기판을 나타낸 도면.2A is a view showing a main board.

제 2b 도는 본 발명의 모듈을 나타낸 도면.2b shows a module of the invention.

제 3 도는 메칭용 스위칭부를 나타낸 도면.3 is a view showing a switching unit for matching.

표 1 은 제 2a 도를 설명하기 위한 진리치표.Table 1 is a truth table for explaining FIG. 2a.

표 2는 NTSC 2반송파 IC 모드스위치상태와 방송모드를 나타낸 도면.Table 2 shows NTSC 2 carrier IC mode switch status and broadcast mode.

표 3은 제 2b 도를 설명하기 위한 진리치표.Table 3 is a truth table for explaining FIG. 2b.

Claims (1)

안테나(1), 튜너(2), 영상 IF 증폭부(3), 소우필터(12), 영상검파부(4) 및 필터부(5)와를 연결구성하여서 된 제니스음성다중 VCR회로에 있어서, 상기 튜너(2)출력단은 소우필터(6)와 음성 IF증폭 및 검파부(7)를 통해 병렬의 4.5MHZ 저역통과필터(8) 및 4.72MHZ 저역통과필터(9)의 입력단에 연결하고, 4.5MHZ 및 4.72MHZ저역통과필터(8,9)의 출력단과 트랜지스터(Q1-Q3)로 구성되는 스위칭부(10)가 연결된 NTSC 2 반송파 디코더부(11)의 출력단은 좌, 우측 음성출력단자(L,R)에 연결하여서 됨을 특징으로 하는 제니스(Zenith)방식 음성다중 VCR과 NTSC 2 반송파방식 VCR의 공용화 회로.In the Zenith audio multiple VCR circuit formed by connecting an antenna (1), a tuner (2), an image IF amplifier (3), a saw filter (12), an image detector (4), and a filter unit (5), The output of the tuner (2) is connected to the input of the 4.5 MHZ low pass filter (8) and the 4.72 MHZ low pass filter (9) in parallel through the saw filter (6) and the audio IF amplifier and detector (7). And an output terminal of the NTSC 2 carrier decoder unit 11 to which the switching unit 10 including the output terminals of the 4.72MHZ low pass filter 8 and 9 and the transistors Q 1 to Q 3 are connected, the left and right audio output terminals ( A common circuit between a Zenith type voice multiple VCR and an NTSC two carrier VCR characterized by being connected to L and R). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890017604A 1989-11-30 1989-11-30 Common use circuit between zenith method v.c.r and n.t.s.c. 2 carrier method v.c.r. KR920004445B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890017604A KR920004445B1 (en) 1989-11-30 1989-11-30 Common use circuit between zenith method v.c.r and n.t.s.c. 2 carrier method v.c.r.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890017604A KR920004445B1 (en) 1989-11-30 1989-11-30 Common use circuit between zenith method v.c.r and n.t.s.c. 2 carrier method v.c.r.

Publications (2)

Publication Number Publication Date
KR910010462A true KR910010462A (en) 1991-06-29
KR920004445B1 KR920004445B1 (en) 1992-06-05

Family

ID=19292368

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890017604A KR920004445B1 (en) 1989-11-30 1989-11-30 Common use circuit between zenith method v.c.r and n.t.s.c. 2 carrier method v.c.r.

Country Status (1)

Country Link
KR (1) KR920004445B1 (en)

Also Published As

Publication number Publication date
KR920004445B1 (en) 1992-06-05

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