KR970004914A - Device to compensate for distortion of SECAM color - Google Patents

Device to compensate for distortion of SECAM color Download PDF

Info

Publication number
KR970004914A
KR970004914A KR1019950018081A KR19950018081A KR970004914A KR 970004914 A KR970004914 A KR 970004914A KR 1019950018081 A KR1019950018081 A KR 1019950018081A KR 19950018081 A KR19950018081 A KR 19950018081A KR 970004914 A KR970004914 A KR 970004914A
Authority
KR
South Korea
Prior art keywords
signal
output
secam
distortion
video signal
Prior art date
Application number
KR1019950018081A
Other languages
Korean (ko)
Other versions
KR0174913B1 (en
Inventor
박성규
Original Assignee
배순훈
대우전자 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 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950018081A priority Critical patent/KR0174913B1/en
Publication of KR970004914A publication Critical patent/KR970004914A/en
Application granted granted Critical
Publication of KR0174913B1 publication Critical patent/KR0174913B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/18—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous and sequential signals, e.g. SECAM-system

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Color Television Systems (AREA)

Abstract

본 발명은 PAL-B/G와 SECAM-L 듀얼 시스템에 의한 방송 수신시 세캄 컬러의 왜곡을 보상하도록 하기에 적합한 세캄 컬러의 왜곡을 보상하는 장치에 관한 것으로, 종래의 기술에서는 SECAM-L 컬러는 주파수 변조하여 전송되기 때문에 복조 과정에서 주파수 대역의 왜곡이 컬러 레벨(양)의 왜곡으로 나타나서 화면상에 붉은 색의 끌림 현상이 나타났으나, 본 발명에서는 PAL-B/G 영상 신호 또는 SECAM-L 영상 신호에 따라 각각 필터링하여 PAL-B/G 영상 신호 또는 SECAM-L 영상 신호가 적절하게 통과하도록 하므로써 PAL-B/G와 SECAM-L 듀얼 시스템에 의한 방송 수신시 세캄 컬러의 왜곡을 보상할 수 있으므로 상기 결점을 개선 시킬 수 있는 것이다.The present invention relates to a device for compensating for distortion of the Secam color suitable for compensating for the distortion of the Secam color when receiving broadcasts by PAL-B / G and SECAM-L dual systems. In the demodulation process, the frequency band distortion appears as a distortion of the color level (quantity), resulting in a red drag on the screen. However, in the present invention, a PAL-B / G image signal or SECAM-L is used. By filtering the PAL-B / G video signal or SECAM-L video signal according to the video signal, it is possible to compensate for the distortion of Secam color when receiving PAL-B / G and SECAM-L dual systems. Therefore, the defects can be improved.

Description

세캄(SECAM) 컬러의 왜곡을 보상하는 장치Device to compensate for distortion of SECAM color

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 세캄 컬러의 왜곡을 보상하는 장치의 일실시예를 나타낸 블럭도.2 is a block diagram showing an embodiment of an apparatus for compensating for distortion of Secam color according to the present invention.

Claims (1)

설정된 안테나로부터 다수의 방송국에 의한 각 방송 신호를 인가받아 원하는 특정 방송 신호를 튜닝해서 중간 주파수로 변환하여 출력하는 튜너(12)와, 상기 튜너(12)의 출력을 증폭하고 주파수 대역을 제한해서 특정 주파수 대역의 신호만 통과시켜 출력하는 증폭 및 여과부(14)와, 상기 증폭 및 여과부(14)의 출력을 인가받아 전압 제어 발진기를 이용해서 영상 신호를 검출해 내어 출력하는 신호 검출부(16)와, 상기 신호 검출부(16)의 출력을 인가받아 원래의 영상 신호를 복조해 내어 출력하는 복조부(18)와, 음성 신호가 포함되어 있는 신호 성분만을 제거하고 나머지 영상 신호를 출력하는 음성 트랩부(20)와, 상기 음성 트랩부(20)의 출력을 일시 저장했다가 출력하는 버퍼(22)에 있어서, 상기 복조부(18)의 출력을 인가받아 PAL-B/G 영상 신호를 통과시키는 제1필터(32)와; 상기 제1필터(32)와 병렬로 접속될 경우, SECAM-L 영상 신호를 통과시킬 수 있는 제2필터(34)와; 상기 SECAM-L 영상 신호일 때 스위칭되어, 상기 제1필터(32)와 상기 제2필터(34)가 병렬로 접속되도록 하는 스위칭부(36)를 포함하는 세캄 컬러의 왜곡을 보상하는 장치.A tuner 12 that receives each broadcast signal from a plurality of broadcast stations from a set antenna, tunes a desired specific broadcast signal, converts it into an intermediate frequency, and outputs the amplified output of the tuner 12 to limit the frequency band. An amplification and filtering unit 14 for outputting only a signal in a frequency band and passing the signal; and a signal detection unit 16 receiving the output of the amplifying and filtering unit 14 and detecting and outputting an image signal using a voltage controlled oscillator. And a demodulator 18 for receiving the output of the signal detector 16 to demodulate and output the original video signal, and to remove only the signal component including the audio signal and output the remaining video signal. (20) and a buffer (22) for temporarily storing and outputting the output of the audio trap unit (20), wherein the output of the demodulator (18) is applied to pass the PAL-B / G video signal. One Emitter (32) and; A second filter 34 capable of passing a SECAM-L video signal when connected in parallel with the first filter 32; And a switching unit (36) which is switched when the SECAM-L image signal is connected so that the first filter (32) and the second filter (34) are connected in parallel. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950018081A 1995-06-29 1995-06-29 The secam color deflection compensation apparatus KR0174913B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950018081A KR0174913B1 (en) 1995-06-29 1995-06-29 The secam color deflection compensation apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950018081A KR0174913B1 (en) 1995-06-29 1995-06-29 The secam color deflection compensation apparatus

Publications (2)

Publication Number Publication Date
KR970004914A true KR970004914A (en) 1997-01-29
KR0174913B1 KR0174913B1 (en) 1999-03-20

Family

ID=19418711

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950018081A KR0174913B1 (en) 1995-06-29 1995-06-29 The secam color deflection compensation apparatus

Country Status (1)

Country Link
KR (1) KR0174913B1 (en)

Also Published As

Publication number Publication date
KR0174913B1 (en) 1999-03-20

Similar Documents

Publication Publication Date Title
KR920011260A (en) VRF's Text Multiple Broadcast Receiver
KR890011401A (en) Satellite television receiver image quality display device
DE59406596D1 (en) Circuit arrangement for adjacent channel detection and suppression
KR900017373A (en) Intermediate frequency signal processing device in television receiver
JP2002305672A (en) Television system
KR970004914A (en) Device to compensate for distortion of SECAM color
KR960016586A (en) TV Broadcasting Automatic Switching Device
KR960011301B1 (en) Noise erasing apparatus of television receiver
JPH0727732Y2 (en) Television receiver
KR910003729B1 (en) Sound and volume control system of catv converter
KR960028594A (en) TV's color mute circuit
HU207628B (en) Voice signal recognition unit
KR930015748A (en) Image quality improvement circuit of satellite broadcasting receiver
JPH0568185A (en) Dispersal signal removing device
KR900008879A (en) Automatic Image Quality Compensation Circuit and Method of Color Television Receiver
KR100209952B1 (en) Pip-type trlevision having a common agc
KR980007790A (en) Automated Quality Correction Circuit of Television Receiver
KR930007190Y1 (en) De-emphasis for multi-sound broadcasting system
JPH11289504A (en) Television receiver
KR970056986A (en) TV with broadcasting subtitle memory function
KR930009391A (en) Broadcasting type automatic detection circuit of PAL system
KR970068614A (en) Automatic input switching device of satellite digital radio broadcasting
JPH01155780A (en) Television-cum-fm broadcasting receiver
KR950002442A (en) Sound device for improving the sensitivity of voice signal
KR950007446A (en) Sequential Color Message Output Apparatus and Method for Selecting a Broadcast-free Signal Channel

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
GRNT Written decision to grant
LAPS Lapse due to unpaid annual fee