KR900021010U - 비디오테이프의 무단복제 방지회로 - Google Patents

비디오테이프의 무단복제 방지회로

Info

Publication number
KR900021010U
KR900021010U KR2019890007027U KR890007027U KR900021010U KR 900021010 U KR900021010 U KR 900021010U KR 2019890007027 U KR2019890007027 U KR 2019890007027U KR 890007027 U KR890007027 U KR 890007027U KR 900021010 U KR900021010 U KR 900021010U
Authority
KR
South Korea
Prior art keywords
video tape
prevention circuit
prevention
circuit
tape
Prior art date
Application number
KR2019890007027U
Other languages
English (en)
Other versions
KR940004310Y1 (ko
Inventor
배성기
Original Assignee
삼성전자 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.)
Filing date
Publication date
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019890007027U priority Critical patent/KR940004310Y1/ko
Publication of KR900021010U publication Critical patent/KR900021010U/ko
Application granted granted Critical
Publication of KR940004310Y1 publication Critical patent/KR940004310Y1/ko

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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • 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
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/22—Means responsive to presence or absence of recorded information signals
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
KR2019890007027U 1989-05-29 1989-05-29 비디오테이프의 무단복제 방지회로 KR940004310Y1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019890007027U KR940004310Y1 (ko) 1989-05-29 1989-05-29 비디오테이프의 무단복제 방지회로

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019890007027U KR940004310Y1 (ko) 1989-05-29 1989-05-29 비디오테이프의 무단복제 방지회로

Publications (2)

Publication Number Publication Date
KR900021010U true KR900021010U (ko) 1990-12-14
KR940004310Y1 KR940004310Y1 (ko) 1994-06-25

Family

ID=19286474

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019890007027U KR940004310Y1 (ko) 1989-05-29 1989-05-29 비디오테이프의 무단복제 방지회로

Country Status (1)

Country Link
KR (1) KR940004310Y1 (ko)

Also Published As

Publication number Publication date
KR940004310Y1 (ko) 1994-06-25

Similar Documents

Publication Publication Date Title
DE69125433D1 (de) Videosignalverarbeitungsschaltung
DE69216663D1 (de) Schaltkreis
DE69028258T2 (de) Videovorverstärkerschaltung
DE69130139D1 (de) Videoband-Wiedergabegerät
NO930097L (no) Synkroniserende delekrets
KR910012717U (ko) 고화질 영상 기록회로
KR900021010U (ko) 비디오테이프의 무단복제 방지회로
KR890018128U (ko) 테이프 손상 방지회로
KR920003287U (ko) 비디오 테이프 케이스
DE69026355T2 (de) Videobandgerät
KR930009533U (ko) 테이프 열화 방지 회로
KR900011099U (ko) 비디오 인터폰 회로
KR930007386U (ko) 비디오의 문자 녹화 회로
KR890016825U (ko) 영상 수신회로
KR870014028U (ko) 영상 차단회로
KR910001870U (ko) 영상밴드 선택회로
KR890003859U (ko) 비디오 카메라의 촬상관 보호회로
DK662088A (da) Videokredsloeb
KR900003698U (ko) 비디오신호의 동기신호 보호회로
KR910009771U (ko) 비디오 테이프 카세트
KR910009770U (ko) 비디오 테이프 카세트
KR920009214A (ko) 비데오 신호의 tbc회로
KR890022001U (ko) Tv의 x선 방지회로
KR930017233U (ko) 자동 디가우싱 회로
KR900007690U (ko) 귀선 소거 회로

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19961231

Year of fee payment: 4

LAPS Lapse due to unpaid annual fee