JPH0466413B2 - - Google Patents

Info

Publication number
JPH0466413B2
JPH0466413B2 JP61118908A JP11890886A JPH0466413B2 JP H0466413 B2 JPH0466413 B2 JP H0466413B2 JP 61118908 A JP61118908 A JP 61118908A JP 11890886 A JP11890886 A JP 11890886A JP H0466413 B2 JPH0466413 B2 JP H0466413B2
Authority
JP
Japan
Prior art keywords
frequency
frequency band
reception
transmission
transmitting
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 - Lifetime
Application number
JP61118908A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62274934A (ja
Inventor
Osamu Yamamoto
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.)
NEC Corp
Original Assignee
Nippon 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Priority to JP61118908A priority Critical patent/JPS62274934A/ja
Priority to US07/052,001 priority patent/US4907291A/en
Priority to CA000537701A priority patent/CA1282877C/en
Priority to EP87107488A priority patent/EP0246658A3/en
Priority to AU73306/87A priority patent/AU612977B2/en
Publication of JPS62274934A publication Critical patent/JPS62274934A/ja
Publication of JPH0466413B2 publication Critical patent/JPH0466413B2/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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Relay Systems (AREA)
  • Superheterodyne Receivers (AREA)
  • Transceivers (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Transmitters (AREA)
JP61118908A 1986-05-23 1986-05-23 送受信装置 Granted JPS62274934A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP61118908A JPS62274934A (ja) 1986-05-23 1986-05-23 送受信装置
US07/052,001 US4907291A (en) 1986-05-23 1987-05-19 Transmitter/receiver apparatus
CA000537701A CA1282877C (en) 1986-05-23 1987-05-22 Transmitter/receiver apparatus
EP87107488A EP0246658A3 (en) 1986-05-23 1987-05-22 Transmitter/receiver apparatus
AU73306/87A AU612977B2 (en) 1986-05-23 1987-05-22 Transmitter/receiver apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP61118908A JPS62274934A (ja) 1986-05-23 1986-05-23 送受信装置

Publications (2)

Publication Number Publication Date
JPS62274934A JPS62274934A (ja) 1987-11-28
JPH0466413B2 true JPH0466413B2 (enEXAMPLES) 1992-10-23

Family

ID=14748144

Family Applications (1)

Application Number Title Priority Date Filing Date
JP61118908A Granted JPS62274934A (ja) 1986-05-23 1986-05-23 送受信装置

Country Status (5)

Country Link
US (1) US4907291A (enEXAMPLES)
EP (1) EP0246658A3 (enEXAMPLES)
JP (1) JPS62274934A (enEXAMPLES)
AU (1) AU612977B2 (enEXAMPLES)
CA (1) CA1282877C (enEXAMPLES)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62274934A (ja) * 1986-05-23 1987-11-28 Nec Corp 送受信装置
JPH0389721A (ja) * 1989-09-01 1991-04-15 Oki Electric Ind Co Ltd 送受信装置
GB9025007D0 (en) * 1990-11-16 1991-01-02 Orbitel Mobile Communications Mobile radio telephone
US5355524A (en) * 1992-01-21 1994-10-11 Motorola, Inc. Integrated radio receiver/transmitter structure
JPH05300048A (ja) * 1992-04-14 1993-11-12 Motorola Inc 無線周波送受信機およびその動作方法
GB2272605B (en) * 1992-11-11 1996-11-27 Nokia Mobile Phones Uk Radio frequency circuit for a time division multiple access system
US5369779A (en) * 1993-06-28 1994-11-29 Zenith Electronics Corp. Two-way MMDS communications system
SE9302741D0 (sv) * 1993-08-25 1993-08-25 Volvo Ab Anordning för alstring av ljud i fordon
JP2809097B2 (ja) * 1994-04-26 1998-10-08 日本電気株式会社 無線局装置
US5669067A (en) * 1994-06-29 1997-09-16 Harris Corporation Remotely controllable variable intermediate frequency transceiver
GB2292502B (en) * 1994-08-17 1998-07-15 Continental Microwave Technolo Microwave radio system
DE69605620T2 (de) 1995-03-24 2000-06-08 European Broadcasting Union, Grand-Saconnex Konferenzsystem
FI102121B (fi) * 1995-04-07 1998-10-15 Filtronic Lk Oy Radiotietoliikenteen lähetin/vastaanotin
JP3252653B2 (ja) * 1995-06-05 2002-02-04 三菱電機株式会社 送受信機
GB2325347B (en) 1997-05-14 2002-07-17 Internat Mobile Satellite Orga Satellite communications apparatus and method
US6144473A (en) * 1997-06-09 2000-11-07 Sigmatel, Inc. Method and apparatus for transceiving infrared signals
GB2331666A (en) * 1997-11-20 1999-05-26 Dsc Telecom Lp Subscriber Terminal for a Wireless Telecommunications System
US6141538A (en) * 1998-03-03 2000-10-31 Northrop Grumman Corporation Transmit detection circuit
JP3107035B2 (ja) * 1998-03-18 2000-11-06 日本電気株式会社 低雑音増幅器及びその制御回路
US6711394B2 (en) 1998-08-06 2004-03-23 Isco International, Inc. RF receiver having cascaded filters and an intermediate amplifier stage
US6314309B1 (en) 1998-09-22 2001-11-06 Illinois Superconductor Corp. Dual operation mode all temperature filter using superconducting resonators

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2864944A (en) * 1954-05-18 1958-12-16 Rca Corp Two way radio relay system including traveling wave tubes
CH477132A (de) * 1968-10-15 1969-08-15 Patelhold Patentverwertung Sende-Empfangseinrichtung für sehr hohe Frequenzen
JPS5380906A (en) * 1976-12-27 1978-07-17 Oki Electric Ind Co Ltd Frequency converter
JPS6019173A (ja) * 1983-07-13 1985-01-31 Fuji Xerox Co Ltd 複写機のトナ−補給方法
JPS60149227A (ja) * 1984-01-13 1985-08-06 Sony Corp Ｓｈｆ受信機
JPS62274934A (ja) * 1986-05-23 1987-11-28 Nec Corp 送受信装置

Also Published As

Publication number Publication date
EP0246658A3 (en) 1989-07-19
EP0246658A2 (en) 1987-11-25
CA1282877C (en) 1991-04-09
JPS62274934A (ja) 1987-11-28
AU7330687A (en) 1987-11-26
AU612977B2 (en) 1991-07-25
US4907291A (en) 1990-03-06

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term