KR970002332A - LNB output strength display - Google Patents

LNB output strength display Download PDF

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Publication number
KR970002332A
KR970002332A KR1019950018662A KR19950018662A KR970002332A KR 970002332 A KR970002332 A KR 970002332A KR 1019950018662 A KR1019950018662 A KR 1019950018662A KR 19950018662 A KR19950018662 A KR 19950018662A KR 970002332 A KR970002332 A KR 970002332A
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KR
South Korea
Prior art keywords
unit
coaxial cable
ratio
lnb
signal
Prior art date
Application number
KR1019950018662A
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Korean (ko)
Inventor
이동철
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.)
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Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR1019950018662A priority Critical patent/KR970002332A/en
Publication of KR970002332A publication Critical patent/KR970002332A/en

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Abstract

본 발명은 위성 발송 수신을 위한 안테나와 LNB(Low Noise Blockdown Converter) 설치시 LNB 출력의 세기를 측정하여 위성과 안테나 방향을 일치시키기 위한 LNB 출력 세기 표시 장치에 관한 것으로, 안테나로부터 수신되는 고주파 신호를 저주파 신호로 변환하는 LNB 회로부(201)과, 상기 LNB 회로부(201)에서 출력되는 RF 신호를 검파하고 상기 LNB회로부 (21)에 전원을 공급하는 튜너부(202), 상기 LNB회로부 (201)에서 출력되는 RF 신호를 튜너부(202)로 전송하고 튜너부(202)로부터 제공되는 전원을 LNB회로부 (201)에 제공되는 동축 케이블(203)을 구비한 위성 방송 수신 장치에 있어서; 상기 동축 케이블(203)으로부터 전원을 인가받아 상기 RF신호에 대한 C/N 비를 검출하여 이를 전압으로 변환하는 C/N비 검출부(204), 상기 동축 케이블(203)로부터 전원을 인가받아 C/N비에 상응하는 신호 레벨을 표시하는 표시부(205), 상기 C/N비 검출부(204)와 상기표시부(205)에 상기 동축 케이블(203)의 전원이 공급되도록 상기 동축 케이블 (203)상의 RF 신호가 상기 C/N비 검출부(204)에 입력될수 있도록 상기 C/N비 검출부(204) 및 표시부(205)와 상기 동축 케이블(203)을 접속시키는 컨넥터(206)로 구성한다.The present invention relates to an LNB output strength display device for measuring the strength of the LNB output when the LNB (Low Noise Blockdown Converter) and LNB (Low Noise Blockdown Converter) are installed to match the satellite and antenna directions. In the LNB circuit unit 201 for converting the low frequency signal, the tuner unit 202 for detecting the RF signal output from the LNB circuit unit 201 and supplying power to the LNB circuit unit 21, the LNB circuit unit 201 A satellite broadcast receiving apparatus having a coaxial cable 203 which transmits an output RF signal to a tuner unit 202 and provides a power supply from the tuner unit 202 to the LNB circuit unit 201; The C / N ratio detector 204 receives power from the coaxial cable 203 and detects the C / N ratio of the RF signal and converts the C / N ratio into a voltage, and receives power from the coaxial cable 203. RF on the coaxial cable 203 so that the power of the coaxial cable 203 is supplied to the display unit 205, the C / N ratio detector 204, and the display unit 205, which display a signal level corresponding to the N ratio. The C / N ratio detection unit 204 and the display unit 205 and the coaxial cable 203 are connected to each other so that a signal can be input to the C / N ratio detection unit 204.

Description

엘엔비 출력 세기 표시 장치LNB output strength display

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

제1도는 종래 기술의 LNB 출력 세기 표시 장치를 나타낸 블록 구성도, 제2도는 (A)는 본 발명의 실시예를 나타낸 회로 구성도, 제2도는 (B)는 본 발명의 실시예에 따른 회로 접속도.1 is a block diagram showing a conventional LNB output strength display device, FIG. 2 is a circuit diagram showing an embodiment of the present invention (A), and FIG. 2 is a circuit diagram according to an embodiment of the present invention. Connection diagram.

Claims (3)

안테나로부터 수신되는 고주파 신호를 저주파 신호로 변환하는 LNB 회로부(201), 상기 LNB 회로부(201)로부터 출력되는 RF 신호를 검파하고 상기 LNB 회로부(201)에 전원을 공급하는 튜너부(202), 상기 LNB 회로부(201)에서 출력되는 RF 신호를 튜너부(202)로 전송하고 튜너부(202)로부터 제공되는 전원을 LNB회로부(201)에 제공하는 동축 케이블(203)을 구비한 위성 방송 수신 장치에 있어서; 상기 동축 케이블(203)으로부터 전언을 인가받고 상기 RF 신호에 대한 C/N 비를 검출하여 이를 전압으로 변환하는 C/N비 검출부(204), 상기 동축 케이블(203)로부터 전원을 인가받아 C/N비에 상응하는 신호 레벨을 표시하는 표시부(205)를 구비하여 구성된 LBN 출력 세기 표시장치.An LNB circuit unit 201 for converting a high frequency signal received from an antenna into a low frequency signal, a tuner unit 202 for detecting an RF signal output from the LNB circuit unit 201 and supplying power to the LNB circuit unit 201, and The satellite broadcast receiving device having a coaxial cable 203 for transmitting the RF signal output from the LNB circuit unit 201 to the tuner unit 202 and providing the power supplied from the tuner unit 202 to the LNB circuit unit 201. In; The C / N ratio detector 204 receives a message from the coaxial cable 203 and detects the C / N ratio of the RF signal and converts the C / N ratio into a voltage, and receives power from the coaxial cable 203. An LBN output strength display device comprising a display portion 205 for displaying a signal level corresponding to an N ratio. 제1항에 있어서, 상기 LBN 출력 세기 표시 장치는 상기 동축 케이블(203)과 착탈할 수 있도록 구성한 LBN 출력 세기 표시장치.The LBN output strength display device according to claim 1, wherein the LBN output strength display device is configured to be detachable from the coaxial cable (203). 제2항에 있어서, 상기 C/N비 검출부(204)와 상기 표시부(205)에 상기 동축 케이블(203)의 전원이 공급되도록하고 상기 동축 케이블 (203)상의 RF 신호가 상기 C/N비 검출부(204)에 입력될수 있도록 상기 C/N비 검출부(204) 및 표시부(205)와 상기 동축 케이블(203)을 접속시키는 컨넥터(206)를 더 구비한 LNB 출력 세기 표시장치.The C / N ratio detecting unit according to claim 2, wherein the power of the coaxial cable 203 is supplied to the C / N ratio detecting unit 204 and the display unit 205, and the RF signal on the coaxial cable 203 is supplied to the C / N ratio detecting unit. And a connector (206) for connecting the C / N ratio detection unit (204) and the display unit (205) and the coaxial cable (203) so as to be input to the (204). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950018662A 1995-06-30 1995-06-30 LNB output strength display KR970002332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950018662A KR970002332A (en) 1995-06-30 1995-06-30 LNB output strength display

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950018662A KR970002332A (en) 1995-06-30 1995-06-30 LNB output strength display

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KR970002332A true KR970002332A (en) 1997-01-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000004140A (en) * 1998-06-30 2000-01-25 전주범 Meter for an automatic meter reading system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20000004140A (en) * 1998-06-30 2000-01-25 전주범 Meter for an automatic meter reading system

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