KR920013962A - Fault Diagnosis Device for High Frequency Outdoor Equipment - Google Patents

Fault Diagnosis Device for High Frequency Outdoor Equipment Download PDF

Info

Publication number
KR920013962A
KR920013962A KR1019900021952A KR900021952A KR920013962A KR 920013962 A KR920013962 A KR 920013962A KR 1019900021952 A KR1019900021952 A KR 1019900021952A KR 900021952 A KR900021952 A KR 900021952A KR 920013962 A KR920013962 A KR 920013962A
Authority
KR
South Korea
Prior art keywords
signal
frequency signal
outdoor device
intermediate frequency
transmitting
Prior art date
Application number
KR1019900021952A
Other languages
Korean (ko)
Other versions
KR950003475B1 (en
Inventor
남상민
Original Assignee
정용문
삼성전자 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.)
Filing date
Publication date
Application filed by 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR1019900021952A priority Critical patent/KR950003475B1/en
Publication of KR920013962A publication Critical patent/KR920013962A/en
Application granted granted Critical
Publication of KR950003475B1 publication Critical patent/KR950003475B1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Radio Relay Systems (AREA)

Abstract

내용 없음No content

Description

초고주파 옥외장치의 고장진단장치Fault Diagnosis Device for High Frequency Outdoor Equipment

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

제1도는 일반적인 위성통신시스템의 블럭도이다, 제2도는 본 발명에 따른 고장진단장치의 블럭도이다, 제3도는 제2도의 구체적인 일 실시예이다.1 is a block diagram of a general satellite communication system, FIG. 2 is a block diagram of a failure diagnosis apparatus according to the present invention, and FIG. 3 is a specific embodiment of FIG.

Claims (1)

공중선을 통하여 수신되는 마이크로파대역의 고주파신호를 낮은 주파수대역의 중간주파수신호로 주파수변환하고 중간주파수신호를 마이크로파대역의 고주파신호로 주파수변환하여 공중선을 통해 송출하는 옥외장치와, 상기 옥외장치로부터 주파수 변환된 중간주파수신호를 복조하여 데이터를 발생하고 송신할 데이터를 중간주파수 신호로 변조하여 상기 옥외장치쪽으로 송출하는 옥내장치와, 상기 옥내장치에서 발생된 중간주파수신호를 옥외장치쪽으로 전송하기 위한 송신선로와, 상기 옥외장치에서 발생된 중간주파수신호를 옥내장치쪽으로 전송하기 위한 수신선로를 포함하는 위성통신시스템에 있어서, 상기 옥외장치에 포함되어 상기 각 부분별 상태를 감지하기 위한 감지회로부(30)와, 상기 감지회로부의 출력단에 입력단을 접속하여 매트릭스 형태로 구성된 중계회로부(40)와, 상기 중계회로부(40)의 출력신호를 DTMF신호로 변조하여 상기 수신선로를 통해 송출하기 위한 DTMF 신호 송신기(50), 상기 옥내장치 포함되어 상기 수신선로를 통해 상기 DTMF신호를 수신하여 옥외장치의 각 부분별 상태정보를 복조하는 DTMF신호 수신기(60)와 DTMF수신기(60)의 출력을 표시하기 위한 표시회로부로 이루어짐을 특징으로 하는 초고주파 옥외장치의 고장진단장치.An outdoor device for frequency converting a high frequency signal of a microwave band received through an aerial into an intermediate frequency signal of a low frequency band, and converting an intermediate frequency signal into a high frequency signal for a microwave band and transmitting the same through an aerial; and a frequency conversion from the outdoor device An indoor device for generating data by demodulating the intermediate frequency signal and modulating the data to be transmitted into an intermediate frequency signal to be transmitted to the outdoor device, and a transmission line for transmitting the intermediate frequency signal generated at the indoor device to the outdoor device; In the satellite communication system comprising a receiving line for transmitting the intermediate frequency signal generated by the outdoor device toward the indoor device, the sensing circuit unit 30 included in the outdoor device for detecting the state of each part; Matt by connecting the input terminal to the output terminal of the sensing circuit And a DTMF signal transmitter 50 for modulating the output signal of the relay circuit unit 40 into a DTMF signal and transmitting the signal through the receiving line, and the indoor device. Fault diagnosis of an ultrahigh frequency outdoor device, characterized in that it comprises a DTMF signal receiver 60 for demodulating the state information for each part of the outdoor device by receiving the DTMF signal and a display circuit for displaying the output of the DTMF receiver 60. Device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900021952A 1990-12-27 1990-12-27 Disorder detecting device of very high frequency outdoor device KR950003475B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900021952A KR950003475B1 (en) 1990-12-27 1990-12-27 Disorder detecting device of very high frequency outdoor device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900021952A KR950003475B1 (en) 1990-12-27 1990-12-27 Disorder detecting device of very high frequency outdoor device

Publications (2)

Publication Number Publication Date
KR920013962A true KR920013962A (en) 1992-07-30
KR950003475B1 KR950003475B1 (en) 1995-04-13

Family

ID=19308588

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900021952A KR950003475B1 (en) 1990-12-27 1990-12-27 Disorder detecting device of very high frequency outdoor device

Country Status (1)

Country Link
KR (1) KR950003475B1 (en)

Also Published As

Publication number Publication date
KR950003475B1 (en) 1995-04-13

Similar Documents

Publication Publication Date Title
KR880001154A (en) Remote control system
KR950002312A (en) Analog and Digital Simultaneous Modem
KR960039680A (en) Receiving apparatus, signal demodulating method, antenna apparatus, receiving system, and antenna direction adjusting method
KR960011597A (en) Time measurement and communication systems in telecommunication systems and receivers used in these systems
KR970024695A (en) Optical data transmission device with optical data transmission redundancy
US3946315A (en) Single frequency signalling in a radiotelephone communication system with idle condition signal generator at one terminal activated by another terminal
KR920013962A (en) Fault Diagnosis Device for High Frequency Outdoor Equipment
KR840004994A (en) Phaser receiver
GB1289378A (en)
JPS5834792B2 (en) Earthquake telemeter method
KR970013861A (en) An interfacing circuit for matching impedance in DAMA-SCPC
KR930011566A (en) Remote information processing system
KR950022253A (en) Miniature earth station (VSAT) and data transmission method of satellite communication system
KR950024073A (en) Personal computer data transceiver
KR970060781A (en) Wired / wireless communication device of computer and method thereof
KR980004160A (en) Data display
KR930001613A (en) Loopback Control Circuit of Transmitter
JPH0465944A (en) Radio transmitter-receiver
KR970057697A (en) TV and VCR that can receive external signal without external connection code
SE7509044L (en) DATA COMMUNICATION SYSTEM
JPH0530086A (en) Test mode switching method
KR960003181A (en) WiFi Transceiver
KR840001975A (en) Telephony communication method and device
JPH02146831A (en) Optical terminal station equipment
KR870010442A (en) Data transmission / reception device using modem

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20040324

Year of fee payment: 10

LAPS Lapse due to unpaid annual fee