JPS6129512U - Ferrite antenna device - Google Patents

Ferrite antenna device

Info

Publication number
JPS6129512U
JPS6129512U JP11434984U JP11434984U JPS6129512U JP S6129512 U JPS6129512 U JP S6129512U JP 11434984 U JP11434984 U JP 11434984U JP 11434984 U JP11434984 U JP 11434984U JP S6129512 U JPS6129512 U JP S6129512U
Authority
JP
Japan
Prior art keywords
ferrite antenna
antenna device
ferrite
metal body
abstract
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
JP11434984U
Other languages
Japanese (ja)
Inventor
省三 鶴井
Original Assignee
オムロン株式会社
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 オムロン株式会社 filed Critical オムロン株式会社
Priority to JP11434984U priority Critical patent/JPS6129512U/en
Publication of JPS6129512U publication Critical patent/JPS6129512U/en
Pending legal-status Critical Current

Links

Landscapes

  • Coils Or Transformers For Communication (AREA)
  • Details Of Aerials (AREA)
  • Near-Field Transmission Systems (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案の一実施例の概略斜視図、第２図はその
取り付け状態を示す斜視図、第３図は同調周波数の特性
図である。 １・・・フエライトアンテナ、２゜゜・同調用コンデン
サ、４・・・樹脂モー／Ｕドのケース、６・・・金属体
。FIG. 1 is a schematic perspective view of an embodiment of the present invention, FIG. 2 is a perspective view showing its installed state, and FIG. 3 is a characteristic diagram of the tuning frequency. 1... Ferrite antenna, 2°/tuning capacitor, 4... Resin mode/U-do case, 6... Metal body.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）′フエライトアンテナに同調用コンデンサを接続
して成るフエライトアンテナ装置において、フエライト
アンテナの近傍に予め同調周波数ずれを防止するための
金属体を付設したことを特徴とするフエライトアンテナ
装置。 −（２）前記金属体が樹脂モールドから成るケースの外
面部の一部を覆う金属板体である実用新案登録請求の範
囲第１項に記載のフエライトアンテナ装置。(1) A ferrite antenna device comprising a tuning capacitor connected to a ferrite antenna, characterized in that a metal body is attached in advance near the ferrite antenna to prevent tuning frequency shift. -(2) The ferrite antenna device according to claim 1, wherein the metal body is a metal plate body that covers a part of the outer surface of a case made of a resin mold.
JP11434984U 1984-07-26 1984-07-26 Ferrite antenna device Pending JPS6129512U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11434984U JPS6129512U (en) 1984-07-26 1984-07-26 Ferrite antenna device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11434984U JPS6129512U (en) 1984-07-26 1984-07-26 Ferrite antenna device

Publications (1)

Publication Number Publication Date
JPS6129512U true JPS6129512U (en) 1986-02-22

Family

ID=30673371

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11434984U Pending JPS6129512U (en) 1984-07-26 1984-07-26 Ferrite antenna device

Country Status (1)

Country Link
JP (1) JPS6129512U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007124458A (en) * 2005-10-31 2007-05-17 Nec Tokin Corp Coil antenna
JP2009017593A (en) * 2003-12-26 2009-01-22 Toda Kogyo Corp Magnetic field antenna, and wireless system and communication system configured using the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009017593A (en) * 2003-12-26 2009-01-22 Toda Kogyo Corp Magnetic field antenna, and wireless system and communication system configured using the same
JP4655132B2 (en) * 2003-12-26 2011-03-23 戸田工業株式会社 Magnetic field antenna, wireless system and communication system using the same
JP2007124458A (en) * 2005-10-31 2007-05-17 Nec Tokin Corp Coil antenna
JP4693113B2 (en) * 2005-10-31 2011-06-01 Ｎｅｃトーキン株式会社 Coil antenna

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