BR8405833A - Equipamento radio repetidor digital - Google Patents

Equipamento radio repetidor digital

Info

Publication number
BR8405833A
BR8405833A BR8405833A BR8405833A BR8405833A BR 8405833 A BR8405833 A BR 8405833A BR 8405833 A BR8405833 A BR 8405833A BR 8405833 A BR8405833 A BR 8405833A BR 8405833 A BR8405833 A BR 8405833A
Authority
BR
Brazil
Prior art keywords
radio equipment
digital repeater
repeater radio
digital
equipment
Prior art date
Application number
BR8405833A
Other languages
English (en)
Inventor
Susumu Sasaki
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
Publication of BR8405833A publication Critical patent/BR8405833A/pt

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J3/00—Time-division multiplex systems
    • H04J3/02—Details
    • H04J3/12—Arrangements providing for calling or supervisory signals
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/0082—Monitoring; Testing using service channels; using auxiliary channels
    • H04B17/0087—Monitoring; Testing using service channels; using auxiliary channels using auxiliary channels or channel simulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Radio Relay Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
BR8405833A 1983-11-16 1984-11-14 Equipamento radio repetidor digital BR8405833A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58215618A JPS60107936A (ja) 1983-11-16 1983-11-16 デイジタル無線中継装置

Publications (1)

Publication Number Publication Date
BR8405833A true BR8405833A (pt) 1985-09-17

Family

ID=16675385

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8405833A BR8405833A (pt) 1983-11-16 1984-11-14 Equipamento radio repetidor digital

Country Status (10)

Country Link
US (1) US4607376A (pt)
EP (1) EP0145983B1 (pt)
JP (1) JPS60107936A (pt)
KR (1) KR890001476B1 (pt)
AU (1) AU551257B2 (pt)
BR (1) BR8405833A (pt)
CA (1) CA1219978A (pt)
DE (1) DE3484099D1 (pt)
IN (1) IN163352B (pt)
NZ (1) NZ210206A (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1275515C (en) * 1986-05-19 1990-10-23 Hideaki Itoh System for transmitting auxiliary signal in a multiplex communication system
JPS6345932A (ja) * 1986-08-12 1988-02-26 Fujitsu Ltd デイジタルサ−ビスチヤンネル信号伝送回路
JPS63119338A (ja) * 1986-11-07 1988-05-24 Fujitsu Ltd 補助信号中継伝送方式
US4872183A (en) * 1987-09-08 1989-10-03 Mitsubishi Denki Kabushiki Kaisha Data transmission apparatus with remote repeater
JP2720485B2 (ja) * 1988-11-04 1998-03-04 日本電気株式会社 副信号切替方式
JPH02143737A (ja) * 1988-11-25 1990-06-01 Nec Corp ディジタル無線中継装置
WO1990007235A1 (en) * 1988-12-13 1990-06-28 Stern Telecommunications Corporation Cable systems or the like
JP3657343B2 (ja) * 1996-04-18 2005-06-08 富士通株式会社 無線伝送システム
GB2313019B (en) * 1996-05-09 2000-08-02 Motorola Ltd Communications repeater and method of operation therefor
KR20020028030A (ko) * 2000-10-06 2002-04-15 오용훈 디지털 변환방식의 ｒｆ 중계기
US7639001B2 (en) * 2006-01-17 2009-12-29 The Boeing Company Built-in test for high speed electrical networks
RU2701507C1 (ru) * 2018-11-15 2019-09-27 Акционерное общество "Ижевский радиозавод" Ретранслятор и конвертер радиосигналов

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3180938A (en) * 1960-07-07 1965-04-27 Itt Repeater terminal for frequency division multiplex communication systems
US3668525A (en) * 1970-03-12 1972-06-06 Robert E Mcgraw Communication system
JPS5117317A (en) * 1974-07-31 1976-02-12 Kuraray Co Ikeidanmensenino boshiho
JPS52122027A (en) * 1975-12-10 1977-10-13 Nec Corp Burst synchronizing method and unit of time-sharing pluralistic connec tion communication system
MX144542A (es) * 1977-05-26 1981-10-23 Nippon Electric Co Mejoras en sistema de transmision de senal piloto
US4245343A (en) * 1978-09-22 1981-01-13 Data Line Corporation Automatic shunt device
US4279034A (en) * 1979-11-15 1981-07-14 Bell Telephone Laboratories, Incorporated Digital communication system fault isolation circuit
JPS58134545A (ja) * 1982-02-04 1983-08-10 Nec Corp サ−ビスチヤンネル信号伝送方式
JPS58129760U (ja) * 1982-02-25 1983-09-02 株式会社東芝 分岐插入装置

Also Published As

Publication number Publication date
CA1219978A (en) 1987-03-31
KR890001476B1 (ko) 1989-05-04
JPS60107936A (ja) 1985-06-13
DE3484099D1 (de) 1991-03-14
JPH03939B2 (pt) 1991-01-09
US4607376A (en) 1986-08-19
AU3544284A (en) 1985-05-23
EP0145983B1 (en) 1991-02-06
IN163352B (pt) 1988-09-10
AU551257B2 (en) 1986-04-24
NZ210206A (en) 1988-03-30
KR850004367A (ko) 1985-07-11
EP0145983A3 (en) 1987-09-30
EP0145983A2 (en) 1985-06-26

Similar Documents

Publication Publication Date Title
DE3466630D1 (en) Radio telephones
SE8401419D0 (sv) Communications apparatus
BR8401198A (pt) Cobertura reperfuravel
IT1175983B (it) Telefono senza fili
IT1167616B (it) Ricevitore digitale
DK318883A (da) Radiokommunikationssystem
DK346084D0 (da) Radiomodtager
DK18385D0 (da) Radiomodtager
DE3465861D1 (en) Digital communication station
BR8405833A (pt) Equipamento radio repetidor digital
SE8107173L (sv) Flerstationsmottagare
DK85785A (da) Squelch-kredsloeb
FR2546836B1 (fr) Station de telepherique
DK160031C (da) Radiotelefonanlaeg
DK160389C (da) Radiosystem
DK155066C (da) Radiomodtager
GB8432454D0 (en) Radio communication
DK119582A (da) Station til fjernvirkningsanlaeg
ZA84374B (en) Radio communication equipment
DK68084D0 (da) Mobilt arbejdsredskab
KR830004353U (ko) 라디오 수신기
IS2964A7 (is) Tengiútbúnaður
IT8203209V0 (it) Citofono con radio
FR2499336B1 (fr) Radio-recepteur
KR830003404U (ko) 라디오 수신기

Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)