KR920009206A - Automatic detection circuit and method of disorientation of antenna for satellite broadcasting reception - Google Patents

Automatic detection circuit and method of disorientation of antenna for satellite broadcasting reception Download PDF

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Publication number
KR920009206A
KR920009206A KR1019900017507A KR900017507A KR920009206A KR 920009206 A KR920009206 A KR 920009206A KR 1019900017507 A KR1019900017507 A KR 1019900017507A KR 900017507 A KR900017507 A KR 900017507A KR 920009206 A KR920009206 A KR 920009206A
Authority
KR
South Korea
Prior art keywords
antenna
satellite broadcasting
microcomputer
tuner
agc
Prior art date
Application number
KR1019900017507A
Other languages
Korean (ko)
Other versions
KR930003729B1 (en
Inventor
백운길
Original Assignee
이헌조
주식회사 금성사
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 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019900017507A priority Critical patent/KR930003729B1/en
Publication of KR920009206A publication Critical patent/KR920009206A/en
Application granted granted Critical
Publication of KR930003729B1 publication Critical patent/KR930003729B1/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Circuits Of Receivers In General (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

내용 없음No content

Description

위성방송수신용 안테나의 방향 틀어짐 자동감지회로 및 방법Automatic detection circuit and method of disorientation of antenna for satellite broadcasting reception

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

제2도는 본 발명의 회로블럭도,2 is a circuit block diagram of the present invention,

제3도는 본 발명의 안테나 비매칭 자동감지로직 흐름도.3 is an antenna mismatch automatic detection logic flow chart of the present invention.

Claims (2)

위성방송수신용 안테나(1)로 방송전파를 수신하도록 튜너(2)와 중간신호증폭부(3)와 PCM 음성신호증폭부(5) 및 마이콤(4)으로 구성된 방송위성수신회로에 있어서, 상기 마이콤(4)의 ADC입력단에 위성방송수신용 안테나(1)를 통해 수신된 신호에 따라 출력되는 튜너(2)의 AGC 및 AFT 전압을 각각 선택적으로 입력시키기 위한 AGC/AFT 전압입력스위칭부(6)와, 이 스위칭부의 출력에 따라 제어되는 안테나방향틀어짐표시부(7)를 포함하는 것을 특징으로 하는 위성방송수신용 안테나의 방향 틀어짐 자동감지회로.A broadcast satellite receiver circuit comprising a tuner (2), an intermediate signal amplifier (3), a PCM audio signal amplifier (5), and a microcomputer (4) to receive broadcast waves with a satellite broadcasting antenna (1). AGC / AFT voltage input switching unit 6 for selectively inputting AGC and AFT voltages of the tuner 2 output according to the signal received through the satellite broadcasting reception antenna 1 to the ADC input terminal of the microcomputer 4, respectively. And an antenna direction distortion display unit (7) controlled according to the output of the switching unit. 제1항에 있어서, 상기 마이콤(4)은 매주기마다 튜너의 AGC 전압을 체크하여 안테나의 틀어짐상태가 감지되면 그 상태를 외부로 표시가능케한 안테나 비매칭 자동감지로직(8)을 갖는것을 특징으로 하는 위성 방송수신용안테나의 방향틀어짐 자동감지방법.2. The microcomputer (4) according to claim 1, wherein the microcomputer (4) has an antenna mismatching automatic sensing logic (8) which checks the AGC voltage of the tuner every cycle and detects the state of the antenna externally. Automatic detection method of distorted antenna of satellite broadcasting receiver. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900017507A 1990-10-31 1990-10-31 Automatic detection circuit and method for antenna position of satellite broadcasting receiver KR930003729B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900017507A KR930003729B1 (en) 1990-10-31 1990-10-31 Automatic detection circuit and method for antenna position of satellite broadcasting receiver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900017507A KR930003729B1 (en) 1990-10-31 1990-10-31 Automatic detection circuit and method for antenna position of satellite broadcasting receiver

Publications (2)

Publication Number Publication Date
KR920009206A true KR920009206A (en) 1992-05-28
KR930003729B1 KR930003729B1 (en) 1993-05-08

Family

ID=19305417

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900017507A KR930003729B1 (en) 1990-10-31 1990-10-31 Automatic detection circuit and method for antenna position of satellite broadcasting receiver

Country Status (1)

Country Link
KR (1) KR930003729B1 (en)

Also Published As

Publication number Publication date
KR930003729B1 (en) 1993-05-08

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