JPS6437340U - - Google Patents

Info

Publication number
JPS6437340U
JPS6437340U JP1987130640U JP13064087U JPS6437340U JP S6437340 U JPS6437340 U JP S6437340U JP 1987130640 U JP1987130640 U JP 1987130640U JP 13064087 U JP13064087 U JP 13064087U JP S6437340 U JPS6437340 U JP S6437340U
Authority
JP
Japan
Prior art keywords
surge absorption
listening equipment
circuit
patterns
public listening
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
JP1987130640U
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 JP1987130640U priority Critical patent/JPS6437340U/ja
Publication of JPS6437340U publication Critical patent/JPS6437340U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Television Systems (AREA)
  • Emergency Protection Circuit Devices (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を示した回路説明図
、第２図は本考案の他の実施例を示した説明図で
ある。 １：入力端子、２：出力端子、３，５：増幅器
、４：アツテネータ、６：定電圧回路、７，８：
サージ吸収パターン、９，１０：鋭角突起、１１
：誘電体、Ｃ１，Ｃ２：コンデンサ（高周波カツ
ト用）、Ｌ１，Ｌ２：インダクタンス（交流カツ
ト用）、Ａ１，Ａ２：アレスタ。 FIG. 1 is an explanatory circuit diagram showing one embodiment of the present invention, and FIG. 2 is an explanatory diagram showing another embodiment of the present invention. 1: Input terminal, 2: Output terminal, 3, 5: Amplifier, 4: Attenuator, 6: Constant voltage circuit, 7, 8:
Surge absorption pattern, 9, 10: acute angle protrusion, 11
: Dielectric, C1, C2: Capacitor (for high frequency cut), L1, L2: Inductance (for AC cut), A1, A2: Arrester.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 共聴機器回路を実装したプリント基板上に、１
又は複数の鋭角突起の先端を微小ギヤツプを介し
て対向状態で配列した一対のサージ吸収パターン
を形成し、該サージ吸収パターンの一方に同軸線
路側から高周波カツトフイルタを介して電源の供
給ラインを接続すると共に前記サージ吸収パター
ンの他方をアースに接地接続したことを特徴とす
る共聴機器用サージ吸収回路。 1 on the printed circuit board on which the public listening equipment circuit is mounted.
Alternatively, a pair of surge absorption patterns are formed in which the tips of a plurality of acute protrusions are arranged opposite to each other through a small gap, and a power supply line is connected to one of the surge absorption patterns from the coaxial line side via a high frequency cut filter. and a surge absorption circuit for public listening equipment, characterized in that the other side of the surge absorption pattern is grounded to earth.
JP1987130640U 1987-08-27 1987-08-27 Pending JPS6437340U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987130640U JPS6437340U (en) 1987-08-27 1987-08-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987130640U JPS6437340U (en) 1987-08-27 1987-08-27

Publications (1)

Publication Number Publication Date
JPS6437340U true JPS6437340U (en) 1989-03-07

Family

ID=31385990

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987130640U Pending JPS6437340U (en) 1987-08-27 1987-08-27

Country Status (1)

Country Link
JP (1) JPS6437340U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0341906U (en) * 1989-08-31 1991-04-22

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5412989U (en) * 1977-06-30 1979-01-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5412989U (en) * 1977-06-30 1979-01-27

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0341906U (en) * 1989-08-31 1991-04-22

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