JPH01162913U - - Google Patents

Info

Publication number
JPH01162913U
JPH01162913U JP6019488U JP6019488U JPH01162913U JP H01162913 U JPH01162913 U JP H01162913U JP 6019488 U JP6019488 U JP 6019488U JP 6019488 U JP6019488 U JP 6019488U JP H01162913 U JPH01162913 U JP H01162913U
Authority
JP
Japan
Prior art keywords
omnidirectional antennas
transmitter
receiver
reference signal
phase shifter
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.)
Pending
Application number
JP6019488U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP6019488U priority Critical patent/JPH01162913U/ja
Publication of JPH01162913U publication Critical patent/JPH01162913U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例の構成図、第２図は
従来の移動無線局の構成図である。 １……無指向性空中線１、２……無指向性空中
線２、３……可変位相器、４……分配合成器、５
……送受信器、６……基準信号発生器、７……比
較器、８……位相制御器、９……空中線、１０…
…送受信機。 FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional mobile radio station. 1...Omnidirectional antenna 1, 2...Omnidirectional antenna 2, 3...Variable phase shifter, 4...Distributor/combiner, 5
...Transmitter/receiver, 6...Reference signal generator, 7...Comparator, 8...Phase controller, 9...Antenna, 10...
...transmitter/receiver.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 特性が近接しかつ１／４波長離隔して設置した
２個の無指向性空中線と、前記２個の無指向性空
中線のいずれか一方に接続した可変位相器と、前
記２個の無指向性空中線を介して送受信する送受
信機と、前記送受信機と前記２個の無指向性空中
線との間で授受される受信信号を分配するととも
に受信信号を合成する分配合成器と、前記送受信
機から出力される受信信号レベルと基準信号レベ
ルと比較し差信号を出力する比較器と、前記基準
信号を発生する基準信号発生器と、前記差信号に
もとづいて前記可変位相器の位相を制御する位相
制御器とを備えて成ることを特徴とする自動指向
性可変型空中線装置。 two omnidirectional antennas whose characteristics are close to each other and placed 1/4 wavelength apart; a variable phase shifter connected to either one of the two omnidirectional antennas; and a variable phase shifter connected to one of the two omnidirectional antennas. a transmitter/receiver that transmits and receives via an antenna; a distribution/combiner that distributes received signals exchanged between the transmitter/receiver and the two omnidirectional antennas and combines the received signals; and an output from the transmitter/receiver. a comparator that compares a received signal level to a reference signal level and outputs a difference signal, a reference signal generator that generates the reference signal, and a phase control that controls the phase of the variable phase shifter based on the difference signal. An automatic directivity variable antenna device characterized by comprising:
JP6019488U 1988-05-06 1988-05-06 Pending JPH01162913U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6019488U JPH01162913U (en) 1988-05-06 1988-05-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6019488U JPH01162913U (en) 1988-05-06 1988-05-06

Publications (1)

Publication Number Publication Date
JPH01162913U true JPH01162913U (en) 1989-11-14

Family

ID=31285913

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6019488U Pending JPH01162913U (en) 1988-05-06 1988-05-06

Country Status (1)

Country Link
JP (1) JPH01162913U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011145268A1 (en) * 2010-05-21 2011-11-24 日本電気株式会社 Antenna device and adjusting method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011145268A1 (en) * 2010-05-21 2011-11-24 日本電気株式会社 Antenna device and adjusting method thereof
US9203161B2 (en) 2010-05-21 2015-12-01 Nec Corporation Antenna apparatus and method of adjusting the same

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