JPS639414B2 - - Google Patents

Info

Publication number
JPS639414B2
JPS639414B2 JP53156691A JP15669178A JPS639414B2 JP S639414 B2 JPS639414 B2 JP S639414B2 JP 53156691 A JP53156691 A JP 53156691A JP 15669178 A JP15669178 A JP 15669178A JP S639414 B2 JPS639414 B2 JP S639414B2
Authority
JP
Japan
Prior art keywords
phase
transmitter
standby
working
frequency
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.)
Expired
Application number
JP53156691A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5582550A (en
Inventor
Kazuo Ogawa
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 JP15669178A priority Critical patent/JPS5582550A/ja
Publication of JPS5582550A publication Critical patent/JPS5582550A/ja
Publication of JPS639414B2 publication Critical patent/JPS639414B2/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)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
JP15669178A 1978-12-15 1978-12-15 Digital radio unit Granted JPS5582550A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15669178A JPS5582550A (en) 1978-12-15 1978-12-15 Digital radio unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15669178A JPS5582550A (en) 1978-12-15 1978-12-15 Digital radio unit

Publications (2)

Publication Number Publication Date
JPS5582550A JPS5582550A (en) 1980-06-21
JPS639414B2 true JPS639414B2 (enrdf_load_stackoverflow) 1988-02-29

Family

ID=15633216

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15669178A Granted JPS5582550A (en) 1978-12-15 1978-12-15 Digital radio unit

Country Status (1)

Country Link
JP (1) JPS5582550A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5997245A (ja) * 1982-11-26 1984-06-05 Fujitsu Ltd 二重化された時分割多元接続方式の通信装置における同期方式
JPS60204138A (ja) * 1984-03-29 1985-10-15 Nec Corp セツト予備切替方式
JP4122866B2 (ja) * 2002-07-02 2008-07-23 トヨタ自動車株式会社 車両用パワートレーンの剛性設定方法及び車両用パワートレーン
JPWO2012160826A1 (ja) * 2011-05-25 2014-07-31 日本電気株式会社 無線伝送システム、無線伝送方法、無線通信装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5123013A (en) * 1974-08-21 1976-02-24 Hitachi Electronics Genyokito yobikino kirikaehoshiki

Also Published As

Publication number Publication date
JPS5582550A (en) 1980-06-21

Similar Documents

Publication Publication Date Title
KR100397716B1 (ko) 송신기및송수신기
TW408526B (en) RF architecture for cellular dual-band telephone
EP1484843B1 (en) Radio communication method and system for performing communication among a plurality of radio communication terminals
WO1994015409A1 (en) Frequency control system
EP0804833A4 (en) TWO-WAY RADIO SYSTEM WITH SYNCHRONIZED FREQUENCY
WO1996019875A9 (en) Frequency synchronized bidirectional radio system
US6370361B1 (en) Transceiver with a receive/transmit fast switch function
US5163160A (en) Satellite transponder able to use same frequency scheme for transmitter and receiver local oscillator
JP3255054B2 (ja) デジタル携帯電話機
JPS639414B2 (enrdf_load_stackoverflow)
JP6963447B2 (ja) 無線伝送装置及び伝送方法
EP0064728B1 (en) Multiple phase digital modulator
JP4417175B2 (ja) 無線通信装置
JPS61230434A (ja) 現用予備切替方式
JP2658926B2 (ja) 局部発振信号の同期装置
JPS62243433A (ja) 無線送受信システム
JPH0412055B2 (enrdf_load_stackoverflow)
JP3458893B2 (ja) 回線切り替え器及び回線切り替え方法
KR200204374Y1 (ko) 무선가입자망의 기지국용 발진장치
CN115473558A (zh) 信号中转电路、方法及电子设备
JPS5811143B2 (ja) 送信周波数制御装置
JP2828360B2 (ja) 双方向通信機
JP3160146B2 (ja) 無線通信装置
JPH0464217B2 (enrdf_load_stackoverflow)
JPS6089155A (ja) 位相同期方式