KR970025034A - Channel automatic setting device and method using KBPS code - Google Patents

Channel automatic setting device and method using KBPS code Download PDF

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Publication number
KR970025034A
KR970025034A KR1019950038262A KR19950038262A KR970025034A KR 970025034 A KR970025034 A KR 970025034A KR 1019950038262 A KR1019950038262 A KR 1019950038262A KR 19950038262 A KR19950038262 A KR 19950038262A KR 970025034 A KR970025034 A KR 970025034A
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South Korea
Prior art keywords
channel
signal
data
storing
code
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KR1019950038262A
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Korean (ko)
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KR0158324B1 (en
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이광희
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배순훈
대우전자 주식회사
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Priority to KR1019950038262A priority Critical patent/KR0158324B1/en
Publication of KR970025034A publication Critical patent/KR970025034A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
    • H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
    • H04H60/38—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space
    • H04H60/41—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas
    • H04H60/43—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas for identifying broadcast channels
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/04—Synchronising
    • H04N5/06—Generation of synchronising signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/52—Automatic gain control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)

Abstract

본 발명은 ACMS(Auto Channel Memory System)기능 실행시 동일 채널에 대해서는 강신호채널만을 선별 저장함으로써, 근접채널신호 또는 간섭채널신호로 인해 동일한 채널이 중복되어 설정되는 현상을 예방할 수 있도록 된 채널 자동 설정장치 및 그 방법에 관한 것으로, 방송선국을 위한 튜너(TUNER)와, 영상신호의 출력레벨을 근거로 상기 튜터 내부의 증폭도를 제어함으로써 영상신호의 출력레벨을 일정하게 제어하는 AGC회로 및 채널 자동 설정기능에 의해 설정된 채널데이터를 저장하는 검색채널저장수단을 구비한 텔레비젼 수상기에 있어서; 방송신호로부터 KBPS코드신호를 분리하여 검출하는 KBPS코드검출수단과, 유신호채널방송에 대한 동기신호를 검출하는 동기신호검출수단, 이 동기신호검출수단에 의해 유신호채널이 선별되게 되면 이때의 채널데이터와 함께 상기 KBPS코드검출수단에 의해 검출된 해당 코드신호 및 해당 채널의 AGC레벨을 서로 대응시켜 저장하는 AGC레벨저장수단, 이 AGC레벨저장수단에 저장되는 데이터를 비교연산하여 각 채널에 대해 AGC레벨이 최소인 방송채널을 선택하여 상기 검색채널저장수단에 선별저장 하도록 제어하는 제어수단을 포함하여 구성된 것을 특징으로 하는 채널 자동선정장치와; 현재 튜닝되어 입력된 채널에 동기신호가 존재하면 해당 채널의 코드 데이터를 검출하는 코드데이터 검출단계; 상기 검출된 채널의 채널데이터와 AGC레벨 및 코드 데이터를 서로 대응시켜 저장하는 유신호채널 데이터저장단계; AGC레벨을 근거로 상기 저장된 데이터 가운데 각 채널마다 AGC레벨이 가장 낮은 채널 데이터를 선별하여 채널 선국의 근거 데이터로 저장하는 채널선국네이터 저장단계를 포함함을 특징으로 하는 채널 자동설정 방법을 제공함에 있다.According to the present invention, when the ACMS (Auto Channel Memory System) function is executed, only the strong signal channel is selectively stored for the same channel, so that the same channel can be prevented from being duplicated due to the proximity channel signal or the interference channel signal. And a method for controlling the output level of a video signal by controlling a tuner for a broadcasting station and an amplification degree in the tutor based on the output level of the video signal. A television receiver having a retrieval channel storage means for storing channel data set by the apparatus; KBPS code detection means for separating and detecting the KBPS code signal from the broadcast signal, synchronous signal detection means for detecting a synchronous signal for broadcast signal channel broadcasting, and when the signal signal channel is selected by the synchronous signal detection means, channel data and The AGC level storage means for storing the corresponding code signal detected by the KBPS code detection means and the AGC level of the channel in correspondence with each other, and comparing the data stored in the AGC level storage means to the AGC level for each channel A channel automatic selection device comprising a control means for selecting a broadcast channel which is the minimum and controlling the selective storage in the search channel storage means; A code data detection step of detecting code data of a corresponding channel if a synchronization signal exists in a channel currently tuned and input; A pre-signal channel data storage step of storing channel data of the detected channel, AGC level, and code data in correspondence with each other; A channel tuning apparatus storing step of selecting channel data having the lowest AGC level for each channel among the stored data based on an AGC level and storing the channel tuning apparatus as a basis data of channel tuning is provided. .

Description

KBPS코드를 이용한 채널 자동설정장치 및 그 방법Channel automatic setting device and method using KBPS code

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

제2도는 본 발명의 1실시예에 따른 KBPS코드를 이용한 채널 자동선정장치의 내부구성을 나타낸 블록구성도,2 is a block diagram showing the internal configuration of a channel automatic selection apparatus using a KBPS code according to an embodiment of the present invention,

제3도는 제2도의 구성으로 된 장치의 동작을 설명하기 위한 순수도3 is a purity diagram for explaining the operation of the device of the configuration of FIG.

Claims (2)

방송선국을 위한 튜너(TUNER)와, 영상신호의 출력레벨을 근거로 상기 튜터 내부의 증폭도를 제어함으로써 영상신호의 출력레벨을 일정하게 제어하는 AGC회로 및 채널 자동 설정기능에 의해 설정된 채널데이터를 저장하는 검색채널저장수단을 구비한 델레비젼 수상기에 있어서; 방송신호로부터 KBPS코드신호를 분리하여 검출하는 KBPS코드검출수단과, 유신호채널방송에 대한 동기신호를 검출하는 동기신호검출수단, 이 동기신호검출수단에 의해 유신호채널이 선별되게 되면 이때의 채널데이터와 함께 상기 K13PS코드검출수단에 의해 검출된 해당 코드신호 및 해당 채널의 AGC레벨을 서로 대응시켜 저장하는 AGC레벨저장수단, 이 AGC레벨저장수단에 저장되는 데이터를 비교연산하여 각 채널에 대해 AGC레벨이 최소인 방송채널을 선택하여 상기 검색채널저장수단에 선별저장 하도록 제어수단을 포함하여 구성된 것을 특징으로 하는 KBPS코드를 이용한 채널 자동설정장치.Saves channel data set by a tuner (TUNER) for broadcasting stations, an AGC circuit that constantly controls the output level of the video signal by controlling the amplification degree inside the tutor based on the output level of the video signal, and a channel automatic setting function. In a television receiver having a search channel storage means for; KBPS code detection means for separating and detecting the KBPS code signal from the broadcast signal, synchronous signal detection means for detecting a synchronous signal for broadcast signal channel broadcasting, and when the signal signal channel is selected by the synchronous signal detection means, channel data and The AGC level storing means for storing the corresponding code signal detected by the K13PS code detecting means and the AGC level of the channel in correspondence with each other, and comparing and storing the data stored in the AGC level storing means to increase the AGC level for each channel. And a control unit configured to select and store the minimum broadcast channel in the search channel storage unit. 수신되는 텔레비젼 신호에 대하여 유신호 채널을 자동 검색하여 기억시키는 텔레비젼의 채널 자동 설정방법에 있어서; 현재 튜닝되어 입력된 채널에 동기신호가 존재하면 해당 채널의 코드 데이터를 검출하는 코드 데이터 검출단계; 상기 검출된 채널의 채널데이타와 AGC레벨 및 코드 데이터를 서로 대응시켜 저장하는 유신호채널 데이터저장단계; AGC레벨을 근거로 상기 저장된 데이터 가운데 각 채널마다 AGC레벨이 가장 낮은 채널데이터를 선별하여 채널 선국의 근거 데이터로 저장하는 채널선국데이터 저장단계를 포함함을 특징으로 하는 KBPS코드를 이용한 채널 자동설정방법.A channel automatic setting method for television for automatically searching and storing a signal channel with respect to a received television signal; A code data detection step of detecting code data of a corresponding channel if a synchronization signal exists in a channel currently tuned and input; A pre-signal channel data storage step of storing channel data of the detected channel, AGC level, and code data in correspondence with each other; A channel tuning data storing step of selecting channel data having the lowest AGC level for each channel among the stored data based on an AGC level and storing the channel tuning data as base data for channel selection. .
KR1019950038262A 1995-10-30 1995-10-30 Automatic channel setting-up apparatus and method by using kbps code KR0158324B1 (en)

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KR1019950038262A KR0158324B1 (en) 1995-10-30 1995-10-30 Automatic channel setting-up apparatus and method by using kbps code

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KR1019950038262A KR0158324B1 (en) 1995-10-30 1995-10-30 Automatic channel setting-up apparatus and method by using kbps code

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KR970025034A true KR970025034A (en) 1997-05-30
KR0158324B1 KR0158324B1 (en) 1998-12-15

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