JPS5830392U - headphone drive device - Google Patents
headphone drive deviceInfo
- 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
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
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)
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.
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012248964A (en) * | 2011-05-25 | 2012-12-13 | Yamaha Corp | Sound reproduction device |
-
1981
- 1981-08-24 JP JP12410881U patent/JPS5830392U/en active Pending
Cited By (1)
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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