JPH0332843U - - Google Patents

Info

Publication number
JPH0332843U
JPH0332843U JP1989090304U JP9030489U JPH0332843U JP H0332843 U JPH0332843 U JP H0332843U JP 1989090304 U JP1989090304 U JP 1989090304U JP 9030489 U JP9030489 U JP 9030489U JP H0332843 U JPH0332843 U JP H0332843U
Authority
JP
Japan
Prior art keywords
circuit
external device
connection terminal
inductance
impedance matching
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
JP1989090304U
Other languages
Japanese (ja)
Other versions
JPH0720973Y2 (en
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 JP1989090304U priority Critical patent/JPH0720973Y2/en
Publication of JPH0332843U publication Critical patent/JPH0332843U/ja
Application granted granted Critical
Publication of JPH0720973Y2 publication Critical patent/JPH0720973Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Transceivers (AREA)

Description

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

図は本考案の通信装置のブロツク図である。 １……送信回路、２……デユプレクサ、３……
受信回路、４……アンテナ、５……インピーダン
ス整合回路、６……インダクタンス、８……外部
機器接続端子、１１……プラグ、１２……接触片
。 The figure is a block diagram of the communication device of the present invention. 1... Transmission circuit, 2... Duplexer, 3...
Receiving circuit, 4... Antenna, 5... Impedance matching circuit, 6... Inductance, 8... External device connection terminal, 11... Plug, 12... Contact piece.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 所定の信号を受信又は／及び送信する第１の回
路と、前記第１の回路の出力信号を処理又は／及
び前記第１の回路に所定の信号を出力する第１の
回路と、前記第１の回路と第２に回路の間に接続
され、これらの回路のインピーダンスの整合をな
すものであつて前記第１の回路と第２の回路に対
し直列に接続されるインダクタンスを少なくとも
有するインピーダンス整合回路と、前記第２の回
路とインピーダンス整合回路の間に設けられた外
部機器接続端子とを有するものにおいて、前記外
部機器接続端子に外部機器が接続されたとき、前
記第１の回路側のインダクタンスの端部を直流又
は交流的に接地する手段を設けたことを特徴とす
る通信装置。 a first circuit that receives and/or transmits a predetermined signal; a first circuit that processes an output signal of the first circuit and/or outputs a predetermined signal to the first circuit; an impedance matching circuit that is connected between the first circuit and the second circuit, matches the impedance of these circuits, and has at least an inductance connected in series with the first circuit and the second circuit. and an external device connection terminal provided between the second circuit and the impedance matching circuit, when an external device is connected to the external device connection terminal, the inductance of the first circuit side increases. A communication device characterized in that it is provided with means for grounding its end in a direct current or alternating current manner.
JP1989090304U 1989-07-31 1989-07-31 Communication device Expired - Lifetime JPH0720973Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989090304U JPH0720973Y2 (en) 1989-07-31 1989-07-31 Communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989090304U JPH0720973Y2 (en) 1989-07-31 1989-07-31 Communication device

Publications (2)

Publication Number Publication Date
JPH0332843U true JPH0332843U (en) 1991-03-29
JPH0720973Y2 JPH0720973Y2 (en) 1995-05-15

Family

ID=31639832

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989090304U Expired - Lifetime JPH0720973Y2 (en) 1989-07-31 1989-07-31 Communication device

Country Status (1)

Country Link
JP (1) JPH0720973Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013031098A (en) * 2011-07-29 2013-02-07 Toshiba Tec Corp Query device, communication method and communication program

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013031098A (en) * 2011-07-29 2013-02-07 Toshiba Tec Corp Query device, communication method and communication program

Also Published As

Publication number Publication date
JPH0720973Y2 (en) 1995-05-15

Similar Documents

Publication Publication Date Title
JPH0332843U (en)
JPH0247506Y2 (en)
JPS63162670U (en)
JPS6032841U (en) antenna cutlet
JPS6224522U (en)
JPH0262847U (en)
JPS62112227U (en)
JPH0448732U (en)
JPS59147347U (en) Transmitter/receiver antenna switching circuit
JPS60140883U (en) Refrigerated container monitoring signal transmission/reception device
JPS645519U (en)
JPH0268534U (en)
JPS62151635U (en)
JPH0472734U (en)
JPH0455585U (en)
JPH0290553U (en)
JPS63185330U (en)
JPS61132143U (en)
JPS62117851U (en)
JPS62173844U (en)
JPS6242391U (en)
JPS6356809U (en)
JPS62127118U (en)
JPH02134748U (en)
JPS6421542U (en)