JPH0312596U - - Google Patents
Info
- Publication number
- JPH0312596U JPH0312596U JP7284589U JP7284589U JPH0312596U JP H0312596 U JPH0312596 U JP H0312596U JP 7284589 U JP7284589 U JP 7284589U JP 7284589 U JP7284589 U JP 7284589U JP H0312596 U JPH0312596 U JP H0312596U
- Authority
- JP
- Japan
- Prior art keywords
- headphone
- output
- amplifier
- circuit
- plug
- 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
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stereophonic Arrangements (AREA)
Description
第１図は本考案の一実施例を示すラジオ受信機
付カセツトテープレコーダの重低音再生回路付ヘ
ツドホンの回路ブロツク図、第２図は従来例の回
路ブロツク図である。
５……メインアンプ、７……ヘツドホンジヤツ
ク、８ａ，８ｂ……切換スイツチ、９ａ，９ｂ…
…メインスピーカー、１０……重低音再生回路、
１４……低音用スピーカー、１５……ヘツドホン
検出回路、２５……ヘツドホンプラグ。
FIG. 1 is a circuit block diagram of a headphone with a deep bass reproduction circuit for a cassette tape recorder with a radio receiver showing an embodiment of the present invention, and FIG. 2 is a circuit block diagram of a conventional example. 5... Main amplifier, 7... Headphone jack, 8a, 8b... Changeover switch, 9a, 9b...
...Main speaker, 10...Deep bass reproduction circuit,
14...Bass speaker, 15...Headphone detection circuit, 25...Headphone plug.
Claims (1)
する操作と連動して、所定の増幅器の出力をヘツ
ドホンとスピーカーとに切換えると共に、ヘツド
ホンプラグを装着した時ヘツドホンに接続されな
い増幅器の出力を遮断するヘツドホン回路におい
て、 ヘツドホンプラグの着脱に連動する切換スイツ
チが切換られたことを検出して、前記ヘツドホン
に接続されない増幅器の出力を遮断するヘツドホ
ン検出回路を設けたことを特徴とするヘツドホン
回路。[Claim for Utility Model Registration] In conjunction with the operation of attaching and detaching the headphone plug to the headphone jack, the output of a predetermined amplifier is switched between the headphone and the speaker, and the output of the amplifier that is not connected to the headphone when the headphone plug is attached. The headphone circuit is characterized in that the headphone circuit is provided with a headphone detection circuit that detects that a changeover switch that is linked to the attachment and detachment of the headphone plug is switched, and shuts off the output of an amplifier that is not connected to the headphone. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7284589U JPH0312596U (en) | 1989-06-20 | 1989-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7284589U JPH0312596U (en) | 1989-06-20 | 1989-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0312596U true JPH0312596U (en) | 1991-02-07 |
Family
ID=31611144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7284589U Pending JPH0312596U (en) | 1989-06-20 | 1989-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0312596U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008257813A (en) * | 2007-04-06 | 2008-10-23 | Sony Computer Entertainment Inc | Disk drive and transfer control method for information reading component |
| US7990821B2 (en) | 2006-08-09 | 2011-08-02 | Mitsubishi Electric Corporation | Optical disk playback device |
-
1989
- 1989-06-20 JP JP7284589U patent/JPH0312596U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7990821B2 (en) | 2006-08-09 | 2011-08-02 | Mitsubishi Electric Corporation | Optical disk playback device |
| JP2008257813A (en) * | 2007-04-06 | 2008-10-23 | Sony Computer Entertainment Inc | Disk drive and transfer control method for information reading component |
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