JPS6338588Y2 - - Google Patents
Info
- Publication number
- JPS6338588Y2 JPS6338588Y2 JP7527182U JP7527182U JPS6338588Y2 JP S6338588 Y2 JPS6338588 Y2 JP S6338588Y2 JP 7527182 U JP7527182 U JP 7527182U JP 7527182 U JP7527182 U JP 7527182U JP S6338588 Y2 JPS6338588 Y2 JP S6338588Y2
- Authority
- JP
- Japan
- Prior art keywords
- earphone
- contact piece
- radio receiver
- audio output
- contact
- 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.)
- Expired
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Support Of Aerials (AREA)
- Structure Of Receivers (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Details Of Aerials (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は、イヤホンコードをFMワイヤーアン
テナとして使用できるFMラジオ受信機に関する
ものである。[Detailed Description of the Invention] Industrial Application Field The present invention relates to an FM radio receiver in which an earphone cord can be used as an FM wire antenna.
従来の技術
一般に、イヤホンコードをFMワイヤーアンテ
ナとするFMラジオ受信機は、イヤホンのプラグ
をFMラジオ受信機本体の音声出力端に接続した
イヤホンジヤツクに挿入した状態において、その
イヤホンのコードがイヤホンジヤツクおよびプラ
グを介してFMラジオ受信機本体の出力端子に接
続されると同時に上記出力端子がFMラジオ受信
機本体のアンテナ回路に接続される関係にあり、
したがつて、イヤホンによりFMラジオ受信機本
体からの音声を受聴することができると同時にイ
ヤホンコードをFMワイヤーアンテナとして使用
することができる。Conventional technology In general, with an FM radio receiver that uses an earphone cord as an FM wire antenna, when the earphone plug is inserted into the earphone jack connected to the audio output end of the FM radio receiver body, the earphone cord is connected to the earphone jack. It is connected to the output terminal of the FM radio receiver body through the jack and plug, and at the same time the output terminal is connected to the antenna circuit of the FM radio receiver body,
Therefore, it is possible to listen to the sound from the FM radio receiver body through the earphones, and at the same time, the earphone cord can be used as an FM wire antenna.
この時、FMラジオ受信機本体の出力端子にイ
ヤホンジヤツクを介して接続されたスピーカはイ
ヤホンジヤツクにて出力端子から切り離れてお
り、スピーカ受聴することはできない。 At this time, the speaker connected to the output terminal of the FM radio receiver body via the earphone jack is disconnected from the output terminal by the earphone jack, and listening through the speaker is not possible.
考案が解決しようとする問題点
しかしながら、従来装置は、イヤホン受聴時に
のみイヤホンコードがFMワイヤーアンテナとし
て使用することができるものであり、スピーカ受
聴時にはイヤホンコードをFMワイヤーアンテナ
として使用することはできない。Problems to be solved by the invention However, in the conventional device, the earphone cord can be used as an FM wire antenna only when listening to earphones, and the earphone cord cannot be used as an FM wire antenna when listening to speakers.
そのため、スピーカ受聴時にイヤホンコードを
FMワイヤーアンテナとして使用するには、イヤ
ホンジヤツクのほかにFMワイヤーアンテナ用の
専用ジヤツクを別設しなければならないという欠
点があつた。 Therefore, when listening to speakers, connect the earphone cord.
To use it as an FM wire antenna, it had the disadvantage that in addition to the earphone jack, a special jack for the FM wire antenna had to be installed separately.
本考案は従来の欠点を除去するものであり、ジ
ヤツク１個で、スピーカ受聴時でもイヤホン受聴
時でも、イヤホンコードをFMワイヤーアンテナ
として使用できるようにしたFMラジオ受信機を
得ることを目的とする。 The purpose of this invention is to eliminate the drawbacks of the conventional technology, and to provide an FM radio receiver that uses a single jack and allows the earphone cord to be used as an FM wire antenna, whether listening to speakers or earphones. .
問題点を解決するための手段
上記の問題点を解決するため、本考案のFMラ
ジオ受信機は、第１，第２の音声出力端子を有
し、内部で上記音声出力端子がアンテナ回路に接
続されたFMラジオ受信機本体と、このFMラジ
オ受信機本体の第１の音声出力端子に一端が接続
されたスピーカと、上記FMラジオ受信機本体の
第２の音声出力端子に第１の接片が接続され、こ
の第１の接片に常時当接関係にある第２の接片が
上記スピーカの他端に接続され、かつ上記FMラ
ジオ受信機本体の第１の音声出力端子に第３の接
片が接続されたイヤホンジヤツクと、このイヤホ
ンジヤツクを構成する第１の接片または第３の接
片に当接可能な導通部を有するイヤホンプラグ
と、このイヤホンプラグの導通部にイヤホンコー
ドを介して接続したイヤホンとを備えたことを特
徴とするものである。Means for Solving the Problems In order to solve the above problems, the FM radio receiver of the present invention has first and second audio output terminals, and the audio output terminals are internally connected to an antenna circuit. an FM radio receiver body, a speaker whose one end is connected to a first audio output terminal of the FM radio receiver body, and a first contact piece connected to the second audio output terminal of the FM radio receiver body. A second contact piece, which is in constant contact with the first contact piece, is connected to the other end of the speaker, and a third contact piece is connected to the first audio output terminal of the FM radio receiver main body. An earphone jack to which a contact piece is connected, an earphone plug having a conductive part that can come into contact with a first contact piece or a third contact piece constituting the earphone jack, and an earphone plug connected to the conductive part of the earphone plug. The device is characterized by being equipped with earphones connected via a cord.
作 用
本考案のFMラジオ受信機は、イヤホンプラグ
をイヤホンジヤツクに挿入した時、そのイヤホン
プラグの導通部が上記イヤホンジヤツクの第３の
接片に当接する第１状態においてイヤホンコード
をFMワイヤーアンテナとしスピーカ受聴を可能
とし、一方上記イヤホンプラグの導通部が上記イ
ヤホンジヤツクの第１の接片に当接して第２の接
片との当接関係を開放した第２状態においてイヤ
ホンコードをFMワイヤーアンテナとしイヤホン
受聴を可能とする。Function: When the earphone plug is inserted into the earphone jack, the FM radio receiver of the present invention connects the earphone cord to the FM radio receiver in the first state in which the conductive part of the earphone plug contacts the third contact piece of the earphone jack. The earphone cord is connected to a wire antenna in a second state in which the conductive part of the earphone plug contacts the first contact piece of the earphone jack and releases the contact relationship with the second contact piece. is used as an FM wire antenna to enable earphone listening.
このため、イヤホン受聴、スピーカ受聴のいず
れの場合にもイヤホンコードをFMワイヤーアン
テナとして使用することができる。 Therefore, the earphone cord can be used as an FM wire antenna for both earphone listening and speaker listening.
実施例 以下に本考案を図面に基いて説明する。Example The present invention will be explained below based on the drawings.
第１図に本考案のFMラジオ受信機を示す。 Figure 1 shows the FM radio receiver of the present invention.
図において、１０は第１，第２の音声出力端子
１０ａ，１０ｂを有し、内部で上記音声出力端子
がアンテナ回路に接続されているFMラジオ受信
機本体、１は第１接片、４は第２接片、２は第３
接片であり、２段構成のイヤホンジヤツクを構成
している。 In the figure, 10 is an FM radio receiver main body having first and second audio output terminals 10a and 10b, and the audio output terminal is connected to an antenna circuit inside, 1 is a first contact piece, and 4 is an FM radio receiver body. 2nd contact piece, 2 is the 3rd contact piece
It is a contact piece and constitutes a two-stage earphone jack.
SPはスピーカ、３はイヤホンプラグである。 SP is the speaker and 3 is the earphone plug.
本実施例においてはイヤホンジヤツクＡの第３
接片２をFMラジオ受信機本体１０の第１音声出
力端子１０ａとスピーカSPの一端との接続点Ｐ
に接続する。そして、第２の接片４に常時当接す
る関係にある第１接片１をFMラジオ受信機１０
の第２の音声出力端子１０ｂに接続する。 In this embodiment, the third earphone jack A
Connect the contact piece 2 to the connection point P between the first audio output terminal 10a of the FM radio receiver main body 10 and one end of the speaker SP.
Connect to. Then, the first contact piece 1, which is in constant contact with the second contact piece 4, is connected to the FM radio receiver 10.
is connected to the second audio output terminal 10b of.
第１図の構成において、イヤホンプラグ３をイ
ヤホンジヤツクＡに挿入した時、第２図，第３図
に示す各状態を得る。 In the configuration shown in FIG. 1, when the earphone plug 3 is inserted into the earphone jack A, the states shown in FIGS. 2 and 3 are obtained.
第２図の状態ではイヤホンジヤツクＡの第３接
片２とイヤホンプラグ３の導通部３−１が接続状
態となり、第３図の状態ではイヤホンジヤツクＡ
にて第１，第２の接片１，４を開放して第１接片
と導通部３−１が接続状態となる。 In the state shown in FIG. 2, the third contact piece 2 of the earphone jack A and the conductive part 3-1 of the earphone plug 3 are in a connected state, and in the state shown in FIG.
The first and second contact pieces 1 and 4 are opened at , and the first contact piece and the conductive portion 3-1 are brought into a connected state.
第２図の状態においては、イヤホンプラグ３の
導通部３−１にイヤホンコードを介して接続した
イヤホンは、イヤホンプラグ３がFMラジオ受信
機本体１０の第１音声出力端子１０ａにのみ接続
されるため、イヤホン受聴はできないが、イヤホ
ンコードは第１音声出力端子１０ａにてアンテナ
回路に接続されてFMワイヤーアンテナとなる。
この時、スピーカSPにより音を聞くことができ
る。 In the state shown in FIG. 2, the earphone connected to the conductive part 3-1 of the earphone plug 3 via the earphone cord is connected only to the first audio output terminal 10a of the FM radio receiver main body 10. Therefore, earphone listening is not possible, but the earphone cord is connected to the antenna circuit at the first audio output terminal 10a and becomes an FM wire antenna.
At this time, the sound can be heard through the speaker SP.
第３図のように２段目まで挿入した時には、イ
ヤホンプラグ３の先端で第１，第２の接片１，４
の接続状態を開放してスピーカSPの他端をFMラ
ジオ受信機本体１０の第２音声出力端子１０ｂか
ら離し、イヤホンプラグ３の導通部３−１とイヤ
ホンジヤツクＡの第１接片１を接続させる。 When inserted to the second stage as shown in Figure 3, the tip of the earphone plug 3 will touch the first and second contact pieces 1 and 4.
Release the connection state of the speaker SP, separate the other end of the speaker SP from the second audio output terminal 10b of the FM radio receiver main body 10, and connect the conductive part 3-1 of the earphone plug 3 and the first contact piece 1 of the earphone jack A. Connect.
このため、イヤホンコードをFMワイヤーアン
テナとして、イヤホンにより音を聞くことができ
る。 Therefore, you can use the earphone cord as an FM wire antenna to listen to sounds through the earphones.
考案の効果
以上のように本考案のFMラジオ受信機は、イ
ヤホンジヤツク１個でスピーカ受聴時とイヤホン
受聴時との両方でイヤホンコードをFMワイヤー
アンテナとして使用することが可能となり、ポケ
ツタブルラジオなどに利用して多大なる作用効果
を生ずる。Effects of the invention As described above, the FM radio receiver of this invention allows the earphone cord to be used as an FM wire antenna for both speaker listening and earphone listening with a single earphone jack, making it portable and portable. It produces great effects when used in radios, etc.
第１図は本考案のFMラジオ受信機の構成図、
第２図は本考案のイヤホンジヤツクにイヤホンプ
ラグを挿入した第１の状態であるFMワイヤーア
ンテナを使用してスピーカで聞いている時の状態
図、第３図は本考案のイヤホンジヤツクにイヤホ
ンプラグを更に挿入してFMワイヤーアンテナを
使用してイヤホンで聞いている時の状態図を示
す。
１０：ラジオ受信機本体、Ａ：イヤホンジヤツ
ク、１：第１接片、４：第２接片、２：第３接
片、３：イヤホンプラグ、３−１：イヤホンプラ
グの導通部。
Figure 1 is a configuration diagram of the FM radio receiver of the present invention.
Figure 2 shows the first state in which the earphone plug is inserted into the earphone jack of the present invention, when listening through the speaker using the FM wire antenna, and Figure 3 shows the earphone jack of the present invention in the first state when listening through the speaker. The diagram shows the state when listening with earphones using the FM wire antenna with the earphone plug further inserted. 10: Radio receiver main body, A: Earphone jack, 1: First contact piece, 4: Second contact piece, 2: Third contact piece, 3: Earphone plug, 3-1: Conductive part of the earphone plug.
Claims (1)
音声出力端子にアンテナ回路を接続したFMラジ
オ受信機本体と、このFMラジオ受信機本体の第
１の音声出力端子に一端が接続されたスピーカ
と、上記FMラジオ受信機本体の第２の音声出力
端子に第１の接片が接続され、上記スピーカの他
端に上記第１接片に常時当接する関係にある第２
の接片が接続され、かつ上記FMラジオ受信機本
体の第１の音声出力端子に第３の接片が接続され
たイヤホンジヤツクと、このイヤホンジヤツクを
構成する第１の接片または第３の接片に当接可能
な導通部を有するイヤホンプラグと、このイヤホ
ンプラグの導通部にイヤホンコードを介して接続
したイヤホンとを備え、上記イヤホンプラグの導
通部が上記イヤホンジヤツクの第３接片に当接す
る第１状態においてイヤホンコードをFMワイヤ
ーアンテナとしスピーカ受聴可能で、上記イヤホ
ンプラグの導通部が上記イヤホンジヤツクの第１
接片に当接して第２接片との当接関係を開放した
第２状態においてイヤホンコードをFMワイヤー
アンテナとしイヤホン受聴可能に構成したFMラ
ジオ受信機。 An FM radio receiver body has first and second audio output terminals, and an antenna circuit is connected to the audio output terminals inside, and one end is connected to the first audio output terminal of the FM radio receiver body. a first contact piece is connected to a second audio output terminal of the FM radio receiver main body, and a second contact piece is connected to the other end of the speaker and is in constant contact with the first contact piece.
an earphone jack to which a contact piece is connected and a third contact piece is connected to a first audio output terminal of the FM radio receiver main body; an earphone plug having a conductive part that can come into contact with the third contact piece of the earphone jack; and an earphone connected to the conductive part of the earphone plug via an earphone cord, and the conductive part of the earphone plug is connected to the third conductive part of the earphone jack. In the first state where the earphone cord contacts the contact piece, the earphone cord can be used as an FM wire antenna to listen to the speaker, and the conductive part of the earphone plug is connected to the first state of the earphone jack.
An FM radio receiver configured such that an earphone cord is used as an FM wire antenna to enable earphone listening in a second state in which the contact piece is in contact with the second contact piece and the contact relationship with the second contact piece is released.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7527182U JPS58178743U (en) | 1982-05-22 | 1982-05-22 | fm radio receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7527182U JPS58178743U (en) | 1982-05-22 | 1982-05-22 | fm radio receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58178743U JPS58178743U (en) | 1983-11-30 |
| JPS6338588Y2 true JPS6338588Y2 (en) | 1988-10-12 |
Family
ID=30084639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7527182U Granted JPS58178743U (en) | 1982-05-22 | 1982-05-22 | fm radio receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58178743U (en) |
-
1982
- 1982-05-22 JP JP7527182U patent/JPS58178743U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58178743U (en) | 1983-11-30 |
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