KR910009049A - Analog Video Scrambling System - Google Patents

Analog Video Scrambling System Download PDF

Info

Publication number
KR910009049A
KR910009049A KR1019890015465A KR890015465A KR910009049A KR 910009049 A KR910009049 A KR 910009049A KR 1019890015465 A KR1019890015465 A KR 1019890015465A KR 890015465 A KR890015465 A KR 890015465A KR 910009049 A KR910009049 A KR 910009049A
Authority
KR
South Korea
Prior art keywords
frequency
video signal
analog video
scrambling system
pass filter
Prior art date
Application number
KR1019890015465A
Other languages
Korean (ko)
Inventor
서정식
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 KR1019890015465A priority Critical patent/KR910009049A/en
Publication of KR910009049A publication Critical patent/KR910009049A/en

Links

Landscapes

  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

내용 없음No content

Description

아날로그 비데오 스크램블링 시스템Analog Video Scrambling System

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

제3도는 본 발명 아날로그 비데오 스크램블링 시스템으 구성도,3 is a block diagram of the present invention analog video scrambling system,

제4도의 (가) 내지 (바)는 제2도의 각 부 파형도.(A)-(bar) of FIG. 4 are each sub waveform diagram of FIG.

Claims (1)

입력되는 합성 비데오 신호를 전송하는 비데오버퍼(51)와, 상기 전송 비데오 신호에서 수평동기를 분리하는 동기분리기(52)와, 상기 동기신호를 페이즈 로크된 주파수로 변화하는 주파수 멀티플라이어(53)와, 상기 변환주파수를 정현파로 변환하는 대역통과필터(54)와,상기 전송비데오 신호를 상기 정현파로 스팩트럼 이동시키는 밸런스트 모듈레이터(55)와, 상기 스텍트럼 이동 파형의 저역을 통과하여 스크램블을 수행하는 저역통과필터(56)로 구성하여된 것을 특징으로 하는 아날로그 비데오 스크램블링 시스템.A video overper 51 for transmitting an input synthesized video signal, a synchronous separator 52 for separating horizontal synchronization from the transmitted video signal, a frequency multiplier 53 for changing the synchronous signal to a phase locked frequency, and A band pass filter 54 for converting the converted frequency into a sinusoidal wave, a balance modulator 55 for spectrally shifting the transmission video signal to the sinusoidal wave, and a low pass for scrambling the low frequency of the spectrum shift waveform Analog video scrambling system, characterized in that consisting of a pass filter (56). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890015465A 1989-10-26 1989-10-26 Analog Video Scrambling System KR910009049A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890015465A KR910009049A (en) 1989-10-26 1989-10-26 Analog Video Scrambling System

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890015465A KR910009049A (en) 1989-10-26 1989-10-26 Analog Video Scrambling System

Publications (1)

Publication Number Publication Date
KR910009049A true KR910009049A (en) 1991-05-31

Family

ID=67661268

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890015465A KR910009049A (en) 1989-10-26 1989-10-26 Analog Video Scrambling System

Country Status (1)

Country Link
KR (1) KR910009049A (en)

Similar Documents

Publication Publication Date Title
EP0763885A3 (en) Modulator and frequency multiplier for use therein
KR950004791A (en) Digital Modulator and Digital Demodulator
KR920704525A (en) Device for transmitting auxiliary information on TV signal
JPS5824060B2 (en) Audio band multiplex transmission method
KR860002929A (en) Equipment for processing multiple asynchronous synthetic video signals
KR900012444A (en) Effective Digital Frequency Division Multiplexed Signal Receiver
KR910010931A (en) Receiver Quadrature Sampling Input Signals Directly
MY126348A (en) Arrangement in a communication system
KR830008291A (en) Apparatus and Method for Forming Digital Information
MX9304545A (en) APPARATUS FOR MULTIPLEX PROCESSING BY TIME DIVISION OF MULTIPLEXED SIGNALS BY FREQUENCY DIVISION.
KR830004026A (en) Restoration and Emphasis on Video Image Vertical
KR840002789A (en) Digital television signal processing system
KR910009049A (en) Analog Video Scrambling System
KR910005704A (en) Signal Separator
KR890009201A (en) Frequency Low Frequency Converter of Carrier Color Signal
KR890003144A (en) Voice Band Splitting Scrambler
KR870011789A (en) Killer video signal synthesis device
KR890004503A (en) Digital Data Demodulation Circuit
CA2116042A1 (en) Digital FSK Receiver Using Double Zero-Crossing
KR890002850A (en) Low Pass Color Signal Inverter
EP0354707A3 (en) Frequency converter
KR930022706A (en) Frequency conversion circuit
SU1084946A1 (en) Converter of frequency-shift keyed signals to phase-shift keyed signals
EP0865213A3 (en) VTR signal processing circuit
KR950015335A (en) Color signal processing equipment

Legal Events

Date Code Title Description
WITN Withdrawal due to no request for examination