JPS5817739A - 障害監視方式 - Google Patents

障害監視方式

Info

Publication number
JPS5817739A
JPS5817739A JP56115947A JP11594781A JPS5817739A JP S5817739 A JPS5817739 A JP S5817739A JP 56115947 A JP56115947 A JP 56115947A JP 11594781 A JP11594781 A JP 11594781A JP S5817739 A JPS5817739 A JP S5817739A
Authority
JP
Japan
Prior art keywords
output
failure
circuit
spatial propagation
receiver
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP56115947A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6233780B2 (enrdf_load_stackoverflow
Inventor
Tsutomu Manabe
真鍋　勉
Kiyoshi Kondo
近藤　清
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56115947A priority Critical patent/JPS5817739A/ja
Publication of JPS5817739A publication Critical patent/JPS5817739A/ja
Publication of JPS6233780B2 publication Critical patent/JPS6233780B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
JP56115947A 1981-07-24 1981-07-24 障害監視方式 Granted JPS5817739A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56115947A JPS5817739A (ja) 1981-07-24 1981-07-24 障害監視方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56115947A JPS5817739A (ja) 1981-07-24 1981-07-24 障害監視方式

Publications (2)

Publication Number Publication Date
JPS5817739A true JPS5817739A (ja) 1983-02-02
JPS6233780B2 JPS6233780B2 (enrdf_load_stackoverflow) 1987-07-22

Family

ID=14675100

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56115947A Granted JPS5817739A (ja) 1981-07-24 1981-07-24 障害監視方式

Country Status (1)

Country Link
JP (1) JPS5817739A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0226134A (ja) * 1988-07-15 1990-01-29 Nec Corp 制御チヤンネル試験用無線端末機

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0226134A (ja) * 1988-07-15 1990-01-29 Nec Corp 制御チヤンネル試験用無線端末機

Also Published As

Publication number Publication date
JPS6233780B2 (enrdf_load_stackoverflow) 1987-07-22

Similar Documents

Publication Publication Date Title
DK174393B1 (da) Fremgangsmåde og apparat til overdragelse af en igangværende samtale
JPS60254928A (ja) セツト・スタンバイ通信方式
US4163121A (en) Radio channel control system for mobile radio telephone systems
JPS5817739A (ja) 障害監視方式
US8483633B2 (en) Method and apparatus for alarming in a power supply modulated system
US11307228B2 (en) Power outage determination system
JPH10294692A (ja) サービスエリア判定システム
CN110545576B (zh) 一种功放模块、功率调整方法及射频拉远单元
JP2001244899A (ja) 反射影響度検出器
JPH07202954A (ja) 伝送制御装置
US6560465B1 (en) Method and apparatus for controlling and maintaining a tower top low noise amplifier
JPH04351005A (ja) 無線中継装置
RU2237362C1 (ru) Устройство диагностики и обеспечения технической готовности средств радиосвязи
JPH0537408A (ja) 無線機の動作電圧制御回路
KR101307033B1 (ko) 분산안테나 시스템에서의 상향링크 이상유무 판별 방법 및 장치
JPH07187538A (ja) エレベータの遠隔監視システム
US20050146535A1 (en) Systems and methods for updating display information
JPS6212217A (ja) 光通信方式
JP3005475B2 (ja) 携帯無線機の温度補正装置および温度補正方法
JPH02166931A (ja) 警報信号選択回路
JP2860359B2 (ja) 双方向ｃａｔｖシステムの状態判別方法
EP3748986A1 (en) Wireless device and communication system
KR0179600B1 (ko) 위성통신 시스템의 이중화된 수신 중간주파수 분배장치
CN118473433A (zh) 功率放大器的切换方法、装置、电子设备及可读介质
JP2661953B2 (ja) 無線受信機