KR940013176A - Satellite broadcasting receiver - Google Patents

Satellite broadcasting receiver Download PDF

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Publication number
KR940013176A
KR940013176A KR1019920020863A KR920020863A KR940013176A KR 940013176 A KR940013176 A KR 940013176A KR 1019920020863 A KR1019920020863 A KR 1019920020863A KR 920020863 A KR920020863 A KR 920020863A KR 940013176 A KR940013176 A KR 940013176A
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KR
South Korea
Prior art keywords
signal
voice
video
amplifying
satellite broadcasting
Prior art date
Application number
KR1019920020863A
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Korean (ko)
Other versions
KR950006450B1 (en
Inventor
손병건
Original Assignee
이필곤
삼성물산 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 이필곤, 삼성물산 주식회사 filed Critical 이필곤
Priority to KR1019920020863A priority Critical patent/KR950006450B1/en
Publication of KR940013176A publication Critical patent/KR940013176A/en
Application granted granted Critical
Publication of KR950006450B1 publication Critical patent/KR950006450B1/en

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Classifications

    • 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
    • H04N5/46—Receiver circuitry for the reception of television signals according to analogue transmission standards for receiving on more than one standard at will

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

본 발명은 한대의 위성방송수신기를 이용하여 여러대의 텔레비젼수신기로 위성방송프로그램을 시청할 수 있도록 한 위성방송수신기에 관한 것으로, 튜너부(2), 위성방송신호를 중간주파수(IF)로 증폭하기 위한 IF 영상신호 증폭수단(A), 수신된 위성방송신호를 음성신호로 복조하기 위한 PLL FM 음성신호복조회로(7), 전체 시스템의 동작을 제어하기 위한 제어 수단 및 IF 영상신호와 음성신호를 수신하여 RF 변조하여 송출안테나를 통해 RF 변조된 위성방송신호를 다수의 텔레비젼수신기로 송출하기 위한 RF 전송수단(B)을 구부한 것을 특징으로 한다.The present invention relates to a satellite broadcast receiver that allows a satellite broadcast program to be viewed by a plurality of television receivers using a single satellite broadcast receiver. IF video signal amplification means (A), PLL FM audio signal demodulation circuit (7) for demodulating the received satellite broadcast signal into audio signals, control means for controlling the operation of the entire system and receiving IF video signals and audio signals And RF transmitting means (B) for transmitting a modulated RF broadcast signal through a transmitting antenna to a plurality of television receivers.

Description

위상방송수신기Phase Broadcast Receiver

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

제1도는 본 발명에 따른 위성방송수신기를 이용하여 다수의 텔레비젼수신기가 위성방송프로그램을 시청할 수 있음을 나타낸 개요도,1 is a schematic diagram showing that a plurality of television receivers can watch satellite broadcast programs using the satellite broadcast receiver according to the present invention;

제2도는 본 발명에 따른 위성방송수신기에 VCR을 연결하여, 다수의 텔레비젼수신기가 VCR의 프로그램을 시청할 수 있음을 나타낸 개요도,2 is a schematic diagram showing that a plurality of television receivers can watch a program of a VCR by connecting a VCR to a satellite broadcasting receiver according to the present invention;

제3도는 본 발명에 따른 위성방송수신기의 회로도.3 is a circuit diagram of a satellite broadcast receiver according to the present invention.

Claims (3)

튜너부, 튜너부를 통해 위성방송수신용 안테나로부터 수신된 위성방송신호를 중간주파수(IF)로 증폭하기 위한 IF 영상신호증폭수단, 수신된 위성방송신호를 음성신호로 복조하기 위한 PLL(phase locked loop) FM음성 신호복조수단 및 전체시스템의 동작을 제어하기 위해 제어신호를 발생하는 제어수단을 구비한 위성방송수신기에 있어서, IF 영상신호증폭수단(A)으로부터 수신된 선택된 영상신호의 레벨을 조정하기 위한 클램프부(11), 특성 TV 채널의 주파수신호를 발생하기 위한 RF 캐리어발진부(14), 레벨조정된 영상신호와 RF 캐리어신호를 수신하여 영상신호를 RF 캐리어주파수로 AM 변조하기 위한 AM 변조부(12), PLL FM 음성신호복조회로(7)로부터 수신된 선택된 음성신호를 증폭하기 위한 음성신호증폭부(22), 음성캐리어주파수신호를 발생하기 위한 음성캐리어발진부(15), 증폭된 음성신호와 음성캐리어신호를 수신하여 음성신호를 음성캐리어 주파수로 FM 변조하기 위한 FM 변조부(16), FM 변조된 음성신호를 RF 캐리어주파수로 RF 변조하기 위한 RF 변조부(17), 변조된 영상 및 음성신호들을 수신하여 불필요한 주파수성분을 제거하기 위한 트랩부(13), 영상 및 음성 RF 신호를 증폭하기 위한 RF 증폭부(18) 및 증폭된 RF 신호를 송출하기 위한 안테나(23)로 이루어진 RF 전송수단(B)을 구비한 것을 특징으로 하는 위성방송수신기.IF video signal amplification means for amplifying the satellite broadcasting signal received from the satellite broadcasting receiving antenna through the tuner section to an intermediate frequency (IF), and PLL (phase locked loop) for demodulating the received satellite broadcasting signal into an audio signal. (C) adjusting a level of a selected video signal received from an IF video signal amplifying means (A) in a satellite broadcast receiver having FM audio signal demodulation means and control means for generating a control signal for controlling the operation of the entire system; Clamp unit 11 for receiving, RF carrier oscillating unit 14 for generating a frequency signal of a characteristic TV channel, AM modulating unit for AM-modulated video signal to the RF carrier frequency by receiving the adjusted video signal and the RF carrier signal 12, a voice signal amplifier 22 for amplifying the selected voice signal received from the PLL FM voice signal demodulation circuit 7, and a voice carrier for generating a voice carrier frequency signal. The authenticator 15, an FM modulator 16 for receiving an amplified voice signal and a voice carrier signal and FM modulating the voice signal to a voice carrier frequency, and an RF modulation for RF modulating the FM modulated voice signal to an RF carrier frequency. A unit 17, a trap unit 13 for removing unwanted frequency components by receiving modulated video and audio signals, an RF amplifying unit 18 for amplifying video and audio RF signals, and transmitting an amplified RF signal. Satellite broadcasting receiver characterized in that it comprises an RF transmission means (B) consisting of an antenna (23) for. 제1항에 있어서, IF 영상신호증폭수단(A) 및 PLL FM 음성신호복조회로(7)로부터의 위성방송용 영상 및 음성신호와, VCR의 영상 및 음성신호를 수신하여 위성방송신호 또는 VCR 신호를 선택하여 RF 전송수단(B)로 출력시켜주는 AV 선택스위치(8)를 또한 구비한 것을 특징으로 하는 위성방송수신기.A satellite broadcasting signal or a VCR signal is received by receiving the satellite broadcasting video and audio signals from the IF video signal amplifying means (A) and the PLL FM audio signal demodulation circuit (7). And a AV selection switch (8) for selecting and outputting the RF transmission means (B). 제1항에 있어서, OSD(on-screen display) 신호를 IF 영상신호증폭수단(A)으로부터 출력된 IF 영상신호에 포함시켜 RF 전송수단(B)으로 전송하기 위한 OSD 인터페이스부(9)와, OSD 신호생성을 수직동기신호와 수평동기신호를 IF 영상신호로부터 분리하여 제어수단에 제공하기 위한 H/V 분리기(21)를 또한 구비한 것을 특징으로 하는 위성방송수신기.The display apparatus of claim 1, further comprising: an OSD interface unit (9) for incorporating an on-screen display (OSD) signal into an IF video signal output from the IF video signal amplifying means (A) and transmitting it to the RF transmitting means (B); And an H / V separator (21) for providing OSD control to the control means by separating the vertical synchronization signal and the horizontal synchronization signal from the IF image signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019920020863A 1992-11-07 1992-11-07 Satellite video receiver KR950006450B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920020863A KR950006450B1 (en) 1992-11-07 1992-11-07 Satellite video receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019920020863A KR950006450B1 (en) 1992-11-07 1992-11-07 Satellite video receiver

Publications (2)

Publication Number Publication Date
KR940013176A true KR940013176A (en) 1994-06-25
KR950006450B1 KR950006450B1 (en) 1995-06-15

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ID=19342680

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920020863A KR950006450B1 (en) 1992-11-07 1992-11-07 Satellite video receiver

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KR (1) KR950006450B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020094111A (en) * 2001-06-09 2002-12-18 허권인 Display Apparatus Using Image Input by Millimeter Wave

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020094111A (en) * 2001-06-09 2002-12-18 허권인 Display Apparatus Using Image Input by Millimeter Wave

Also Published As

Publication number Publication date
KR950006450B1 (en) 1995-06-15

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