JPS56162552A - Radio system signal system for administration of prevention against disaster - Google Patents

Radio system signal system for administration of prevention against disaster

Info

Publication number
JPS56162552A
JPS56162552A JP6599180A JP6599180A JPS56162552A JP S56162552 A JPS56162552 A JP S56162552A JP 6599180 A JP6599180 A JP 6599180A JP 6599180 A JP6599180 A JP 6599180A JP S56162552 A JPS56162552 A JP S56162552A
Authority
JP
Japan
Prior art keywords
signal
station
terminal station
collation
switching
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
JP6599180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6324332B2 (enExample
Inventor
Takashi Hirao
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP6599180A priority Critical patent/JPS56162552A/ja
Publication of JPS56162552A publication Critical patent/JPS56162552A/ja
Publication of JPS6324332B2 publication Critical patent/JPS6324332B2/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)
  • Small-Scale Networks (AREA)
  • Mobile Radio Communication Systems (AREA)
JP6599180A 1980-05-20 1980-05-20 Radio system signal system for administration of prevention against disaster Granted JPS56162552A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6599180A JPS56162552A (en) 1980-05-20 1980-05-20 Radio system signal system for administration of prevention against disaster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6599180A JPS56162552A (en) 1980-05-20 1980-05-20 Radio system signal system for administration of prevention against disaster

Publications (2)

Publication Number Publication Date
JPS56162552A true JPS56162552A (en) 1981-12-14
JPS6324332B2 JPS6324332B2 (enExample) 1988-05-20

Family

ID=13302978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6599180A Granted JPS56162552A (en) 1980-05-20 1980-05-20 Radio system signal system for administration of prevention against disaster

Country Status (1)

Country Link
JP (1) JPS56162552A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008301327A (ja) * 2007-06-01 2008-12-11 Hitachi Kokusai Electric Inc 無線通信システム

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008301327A (ja) * 2007-06-01 2008-12-11 Hitachi Kokusai Electric Inc 無線通信システム

Also Published As

Publication number Publication date
JPS6324332B2 (enExample) 1988-05-20

Similar Documents

Publication Publication Date Title
EP0020606B1 (en) A system for the communication of radio signals
US4310722A (en) Mobile radiotelephone station two-way ranging system
HK48388A (en) A malfunction detection system for a mobile radio telephone system
US4434506A (en) Circuit arrangement for protecting a control channel from jamming waves in a radio communication system
EP0330178A3 (en) Multiple accessing satellite communication system having standby central station
US4434504A (en) Channeling and decode circuit for airborne radio-telephone systems
JPS56162552A (en) Radio system signal system for administration of prevention against disaster
JPS5772440A (en) Transmission and receiving system for radio traffic information
GB1061194A (en) Data handling system
JPS56104558A (en) Switching system of multitransmission line
US3790699A (en) Simplex radiotelegraph system
FR2399702A1 (fr) Dispositif permettant de faire varier la priorite accordee aux autobus en fonction de l'intervalle temps devant separer deux autobus
JPS5379409A (en) Transmission control system
CA1127244A (en) System for detecting one of a group of spectrally adjacent tones
EP0088837B1 (en) Radio transmitting and receiving apparatus
JPS6461199A (en) Data transmission system for telemeter system
JPS5769945A (en) Mobile radio communication system
JPS5647137A (en) Zone discrimination system of mobile radio communication
JPS56117452A (en) Separation system of terminal station for loop-type transmission process system
JPS56149143A (en) Circuit quality monitor system
JPS5466009A (en) Detection system for circuit fault of two-wire communication device
JPS568949A (en) Fault detection system
JPS56111337A (en) Slotted-star network
JPS647725A (en) Radio base station equipment
JPS5344789A (en) Transmitter and receiver