KR950016258A - External input signal status display device and method - Google Patents

External input signal status display device and method Download PDF

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Publication number
KR950016258A
KR950016258A KR1019930024547A KR930024547A KR950016258A KR 950016258 A KR950016258 A KR 950016258A KR 1019930024547 A KR1019930024547 A KR 1019930024547A KR 930024547 A KR930024547 A KR 930024547A KR 950016258 A KR950016258 A KR 950016258A
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KR
South Korea
Prior art keywords
signal
level
external input
input signal
signal output
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KR1019930024547A
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Korean (ko)
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KR960011304B1 (en
Inventor
김동국
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배순훈
대우전자 주식회사
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Priority to KR1019930024547A priority Critical patent/KR960011304B1/en
Publication of KR950016258A publication Critical patent/KR950016258A/en
Application granted granted Critical
Publication of KR960011304B1 publication Critical patent/KR960011304B1/en

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    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/44Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50Tuning indicators; Automatic tuning control

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Circuits Of Receivers In General (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

본 발명은 외부로 부터 입력되는 신호의 상태를 알려주는 외부 입력신호 상태 표시장치 및 방법에 관한 것으로, 데시벨 메터를 이용한다.The present invention relates to an external input signal state display device and method for informing the state of a signal input from the outside, and uses a decibel meter.

따라서 본 발명은 동조부(4), 선택부(5), 버퍼부(9,11), 데시벨 메터부 (10), A/D변환부(12), 마이컴(13)및 디지트톤부(14)로 구성되고, 외부 입력신호의 복합신호 여부에 따라 처리하고 레벨을 판별하여 문자로 표시하여 이루어진다.Therefore, the present invention provides the tuning section 4, the selection section 5, the buffer section 9, 11, the decibel meter section 10, the A / D converter section 12, the microcomputer 13 and the digit tone section 14 It is composed of, and processed according to whether or not the composite signal of the external input signal and the level is determined by displaying the characters.

Description

외부 입력신호 상태 표시장치 및 방법External input signal status display device and method

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

제2도는 본 발명에 의한 외부 입력신호 상태 표시장치의 구성도.2 is a block diagram of an external input signal status display device according to the present invention.

제3도는 본 발명에 의한 외부 입력신호 상태 표시방법의 흐름도.3 is a flowchart of an external input signal status display method according to the present invention;

Claims (5)

방송 신호가 입력되어 동조되는 동조수단(4), 상기 동조수단(4)으로 부터 출력되는 신호와 외부 입력라인(2,3)으로 부터 출력되는 신호를 선택하는 선택수단(5), 상기 선택수단(5)으로 부터 출력되는 신호를 완충시켜주는 제1버퍼수단(9), 상기 제1버퍼수단(9)으로 부터 출력되는 신호의 레벨을 결정하는 데시벨 메터수단(10),상기 데시벨 메터수단(10)으로 부터 출력되는 신호를 완충시키는 제2버퍼수단(11), 상기 제2버퍼수단(11)으로부터 출력되는 신호를 A/D변환하는 A/D변환수단(12), 상기 A/D변환수단(12)으로 부터 출력되는 신호의 레벨를 디코딩하고, 동조수단(4)및 선택수단(5)을 제어하는 마이컴(13), 및 상기 마이컴(13)의 제어하에 외부 입력 신호의 상태를 문자로 표시하는 디지트론 수단 (14)을 포함하여 구성되는 것을 특징으로 하는 외부 입력신호상태 표시장치.Tuning means (4) to which a broadcast signal is input and tuned, selection means (5) for selecting a signal output from the tuning means (4) and a signal output from the external input lines (2, 3), and the selection means First buffer means (9) for buffering the signal output from the (5), decibel meter means for determining the level of the signal output from the first buffer means (9), the decibel meter means ( A second buffer means 11 for buffering a signal output from 10), an A / D conversion means 12 for A / D converting a signal output from the second buffer means 11, and the A / D conversion A microcomputer 13 for decoding the level of the signal output from the means 12, controlling the tuning means 4 and the selecting means 5, and the state of the external input signal under the control of the microcomputer 13 in text form. External input signal status display field characterized in that it comprises a digitron means 14 for displaying Chi. 제1항에 있어서, 상기 신호의 레벨은 신호가 '00'이거나, '11'이면 방송 신호 레벨이고, '10'이면 제1라인(2)레벨이고, '01'이면 제2라인(3)레벨인 것을 특징으로 하는 외부 입력신호상태 표시장치.2. The signal level according to claim 1, wherein the level of the signal is a broadcast signal level if the signal is '00' or '11', a first line 2 level if '10', and a second line 3 if '01'. External input signal status display device, characterized in that the level. 외부 입력신호가 인가되면 복합 영상 신호인지 검색하여 처리하는 단계(20,21,22,23), 입력신호의 레벨을 결졍하여 A/D변환하고 레벨을 디코딩하는 단계(24,25), 및 디코딩된 레벨을 문자로 표시하는 단계(26)에 의해 수행되는 것을 특징으로 하는 외부 입력신호상태 표시방법.20, 21, 22, and 23 to search for and process a composite video signal when an external input signal is applied, to perform A / D conversion and to decode the level of the input signal (24, 25), and to decode. And an external input signal state display method, characterized in that it is performed by the step (26) of displaying the displayed level in letters. 제3항에 있어서, 상기 외부 입력신호가 복합신호인지 검색하여 처리하는 단계는 복합영상 신호인지 검색하는 단계(21), 복합 영상 신호이면 입력라인을 판별하는 단계(23), 및 복합신호가 아니면 증폭시키는 단계(24)에 의해 수행되는 것을 특징으로 하는 외부 입력신호상태 표시방법.4. The method of claim 3, wherein the step of searching and processing whether the external input signal is a composite signal comprises: searching for a composite video signal (21), determining a input line (23) if the composite video signal; And amplifying step (24). 제3항에 있어서, 레벨을 판별하는 단계는 A/D변환된 신호가 '00'이거나'11'이면 방송 신호 레벨이고, '10'이면 제1라인(2)레벨이고, '01'이면 제2라인(3) 레벨로 하는 것을 특징으로 하는 외부 입력신호상태 표시방법.4. The method of claim 3, wherein the determining of the level comprises: a broadcast signal level if the A / D converted signal is '00' or '11', a first line (2) level if '10', and a '01' An external input signal status display method characterized in that the level of two lines (3). ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the original application.
KR1019930024547A 1993-11-17 1993-11-17 Apparatus & method for display status input signal KR960011304B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019930024547A KR960011304B1 (en) 1993-11-17 1993-11-17 Apparatus & method for display status input signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019930024547A KR960011304B1 (en) 1993-11-17 1993-11-17 Apparatus & method for display status input signal

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KR950016258A true KR950016258A (en) 1995-06-17
KR960011304B1 KR960011304B1 (en) 1996-08-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100561386B1 (en) * 1999-05-27 2006-03-16 삼성전자주식회사 System for interfacing external apparatus sources connected to a television

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100561386B1 (en) * 1999-05-27 2006-03-16 삼성전자주식회사 System for interfacing external apparatus sources connected to a television

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Publication number Publication date
KR960011304B1 (en) 1996-08-21

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