JPS5830392U - headphone drive device - Google Patents

headphone drive device

Info

Publication number
JPS5830392U
JPS5830392U JP12410881U JP12410881U JPS5830392U JP S5830392 U JPS5830392 U JP S5830392U JP 12410881 U JP12410881 U JP 12410881U JP 12410881 U JP12410881 U JP 12410881U JP S5830392 U JPS5830392 U JP S5830392U
Authority
JP
Japan
Prior art keywords
drive device
headphone
headphone drive
filter
utility
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
JP12410881U
Other languages
Japanese (ja)
Inventor
真中 徹幸
章二 岩崎
Original Assignee
クラリオン株式会社
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 クラリオン株式会社 filed Critical クラリオン株式会社
Priority to JP12410881U priority Critical patent/JPS5830392U/en
Publication of JPS5830392U publication Critical patent/JPS5830392U/en
Pending legal-status Critical Current

Links

Landscapes

  • Headphones And Earphones (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) [Summary] 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図はこの考案の一実施例を示すブロック図、第2.
 3図はバンドイレーズフィルタのそれぞれ入力側、出
力側の波形の一例を示す図である。 1:音声出力機器、2:バンドイレーズフィルタ、  
゛3:ヘッドホンアンプ、4:ヘッドホン、a:音声出
力機器の出力周波数特性、b=緊急車両のサイレン音の
周波数特性、C:バンドイレーズフィルタの出力周波数
特性。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG.
FIG. 3 is a diagram showing an example of waveforms on the input side and output side of the band erase filter, respectively. 1: Audio output device, 2: Band erase filter,
3: headphone amplifier, 4: headphones, a: output frequency characteristics of audio output device, b = frequency characteristics of emergency vehicle siren sound, C: output frequency characteristics of band erase filter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ヘッドホンの入力回路に、緊急車両のサイレン音等の周
波数帯域を減衰させるフィルタを設けてなるヘッドホン
ドライブ装置。
A headphone drive device in which a headphone input circuit is provided with a filter that attenuates frequency bands such as siren sounds of emergency vehicles.
JP12410881U 1981-08-24 1981-08-24 headphone drive device Pending JPS5830392U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12410881U JPS5830392U (en) 1981-08-24 1981-08-24 headphone drive device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12410881U JPS5830392U (en) 1981-08-24 1981-08-24 headphone drive device

Publications (1)

Publication Number Publication Date
JPS5830392U true JPS5830392U (en) 1983-02-28

Family

ID=29917995

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12410881U Pending JPS5830392U (en) 1981-08-24 1981-08-24 headphone drive device

Country Status (1)

Country Link
JP (1) JPS5830392U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012248964A (en) * 2011-05-25 2012-12-13 Yamaha Corp Sound reproduction device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012248964A (en) * 2011-05-25 2012-12-13 Yamaha Corp Sound reproduction device

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