JPH0540598Y2 - - Google Patents
Info
- Publication number
- JPH0540598Y2 JPH0540598Y2 JP12672187U JP12672187U JPH0540598Y2 JP H0540598 Y2 JPH0540598 Y2 JP H0540598Y2 JP 12672187 U JP12672187 U JP 12672187U JP 12672187 U JP12672187 U JP 12672187U JP H0540598 Y2 JPH0540598 Y2 JP H0540598Y2
- Authority
- JP
- Japan
- Prior art keywords
- squelch
- switch
- wireless
- squelch circuit
- circuit
- 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 - Lifetime
Links
- 230000005236 sound signal Effects 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 230000000415 inactivating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Mobile Radio Communication Systems (AREA)
Description
【考案の詳細な説明】
[考案の目的]
(産業上の利用分野)
この考案は、無線電話システム等の無線音声端
末システムに関するものである。[Detailed description of the invention] [Purpose of the invention] (Field of industrial application) This invention relates to a wireless voice terminal system such as a wireless telephone system.
(従来の技術)
従来、無線電話システムでは、非通話時に到来
する不要音を除去するため、スケルチ回路が無線
電話本体装置に設けられている。そして、第2図
に示されるように、無線電話本体装置1には、遠
隔端末3,4が接続されている。遠隔端末3,4
は、電話機であつて送受話器を有し、この送受話
器を用いて通話が可能である。無線電話本体装置
1は無線回線を介して交換機との間で音声信号そ
の他制御信号の送受を行い、遠隔端末3,4に対
する発着信及び通話を可能としている。(Prior Art) Conventionally, in a radio telephone system, a squelch circuit is provided in a radio telephone main unit in order to remove unnecessary sounds that arrive during non-call periods. As shown in FIG. 2, remote terminals 3 and 4 are connected to the radio telephone main unit 1. Remote terminal 3, 4
is a telephone and has a handset, and it is possible to make calls using this handset. The radio telephone main body device 1 sends and receives voice signals and other control signals to and from the exchange via a radio line, thereby making it possible to make and receive calls to and from remote terminals 3 and 4.
無線回線では、常時様々な電波が存在し、受信
状態となると不要音が遠隔端末3,4の受話器か
ら発せられることになるので、これを防止するた
め、スケルチ回路2が無線電話本体装置1内に設
けられる。そして、スケルチ回路2を動作/非動
作とするために、スケルチスイツチ53,54が第
3図に示されるようにスケルチ回路2に接続され
て設けられていた。このスケルチスイツチ53,
54を「接」側に倒すと、スケルチ回路2が動作
状態となる。また、スケルチスイツチ53,54を
「断」側に倒すとスケルチ回路2が非動作となり、
無線回線の信号による音を遠隔端末3,4の受話
器で聞くことができ、通話可能となる。 In a wireless line, various radio waves are always present, and when the reception state is reached, unnecessary sounds will be emitted from the handsets of the remote terminals 3 and 4. To prevent this, a squelch circuit 2 is installed in the wireless telephone main unit 1. established in In order to activate/deactivate the squelch circuit 2, squelch switches 5 3 and 5 4 are connected to the squelch circuit 2 as shown in FIG. 3. This squelch switch 5 3 ,
5 When 4 is turned to the "contact" side, the squelch circuit 2 becomes operational. Also, when the squelch switches 5 3 and 5 4 are turned to the "off" side, the squelch circuit 2 becomes inactive,
The sound generated by the signal from the wireless line can be heard on the receivers of the remote terminals 3 and 4, and a conversation can be made.
ところが、スケルチスイツチ53,54は、複数
の遠隔端末3,4が無線電話本体装置1に接続さ
れた場合、第3図に示されるようにスケルチ回路
2に対して並列な関係となる。従つて、遠隔端末
3で通話のために、スケルチスイツチ53を「断」
側に倒したまま忘れてしまうと、遠隔端末4の受
話器から不要音が聞こえ、しかもこれを切ること
ができないという問題点が生じた。 However, when a plurality of remote terminals 3 and 4 are connected to the radio telephone main unit 1, the squelch switches 5 3 and 5 4 are placed in parallel with the squelch circuit 2 as shown in FIG. Therefore, in order to make a call at the remote terminal 3, the squelch switch 53 is turned off.
If you leave it on your side and forget about it, there is a problem that you will hear unnecessary sounds from the receiver of the remote terminal 4 and you will not be able to turn it off.
(考案が解決しようとする問題点)
上記のように従来の無線音声端末システムによ
ると、無線本体装置に複数の遠隔端末を接続した
場合、スケルチ回路に対して各遠隔端末のスケル
チスイツチが並列の関係になるため、ある遠隔端
末でスケルチスイツチを「断」としたまま忘れる
と、他の遠隔端末の受話器から不要音が聞こえ、
しかも、この他の遠隔端末では不要音を切ること
ができないという問題点が生じた。(Problem to be solved by the invention) As described above, in the conventional wireless audio terminal system, when multiple remote terminals are connected to the wireless main unit, the squelch switch of each remote terminal is connected in parallel to the squelch circuit. If you forget to turn off the squelch switch on one remote terminal, you may hear unnecessary sounds from the handset of the other remote terminal.
Moreover, a problem arose in that unnecessary sounds could not be turned off with other remote terminals.
本考案は、かかる従来の無線音声端末システム
の問題点を除去せんとしてなされたもので、その
目的は、無線本体装置に複数の遠隔端末を接続し
た場合でも、スケルチスイツチの戻し忘れによる
不具合を防止し、不要音が非通話時に聞こえるこ
とのない無線音声端末システムを提供することで
ある。 The present invention was developed in an attempt to eliminate such problems with conventional wireless audio terminal systems.The purpose of this invention is to prevent problems caused by forgetting to return the squelch switch even when multiple remote terminals are connected to the wireless main unit. To provide a wireless voice terminal system in which unnecessary sounds are not heard when not talking.
[考案の構成]
(問題点を解決するための手段)
本考案の無線音声端末システムは、非通話時に
到来する不要音を除去するスケルチ回路を有し、
無線回線を介して音声信号の送受を行う無線本体
装置と、
この無線本体装置に接続され、音声信号入力用
の送話器と前記スケルチ回路を動作/非動作とす
るスケルチスイツチとを有する複数の遠隔端末と
から成り、
前記スケルチ回路と前記スケルチスイツチとの
接続経路に、前記送話器のフツクスイツチを直列
に接続して構成した。[Structure of the invention] (Means for solving the problems) The wireless voice terminal system of the invention has a squelch circuit that removes unnecessary sounds that arrive during non-call times,
A wireless main unit that transmits and receives audio signals via a wireless line; and a plurality of squelch switches that are connected to the wireless main unit and that input a voice signal and activate/deactivate the squelch circuit. The transmitter's hook switch is connected in series to the connection path between the squelch circuit and the squelch switch.
(作用)
上記構成によると、遠隔端末の送話器をオンフ
ツクするとフツクスイツチがスケルチ回路とスケ
ルチスイツチにより形成される経路を開くように
働き、スケルチスイツチの戻し忘れによる不具合
を防止できる。(Function) According to the above configuration, when the transmitter of the remote terminal is turned on, the hook switch works to open the path formed by the squelch circuit and the squelch switch, and it is possible to prevent problems caused by forgetting to return the squelch switch.
(実施例)
以下、図面を参照して本考案の一実施例を説明
する。第1図は本考案の一実施例のブロツク図で
ある。同図において、第2図、第3図と同一の構
成要素には、同一の番号を付し、その説明を省略
する。この実施例の遠隔端末3A,4Aには、
夫々、スケルチ回路2を動作/非動作とするスケ
ルチスイツチ53,54が設けられ、このスケルチ
スイツチ53,54とスケルチ回路2とが形成する
経路中であつて、各遠隔端末3A,4Aには、フ
ツクスイツチ63,64が直列に接続される。この
フツクスイツチ63,64は、遠隔端末3A,4A
の送受話器をオフフツクするとON側に倒れ、送
受話器をオンフツクするとOFF側に倒れる。(Example) Hereinafter, an example of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram of one embodiment of the present invention. In this figure, the same components as in FIGS. 2 and 3 are given the same numbers, and their explanations will be omitted. The remote terminals 3A, 4A of this embodiment include:
Squelch switches 5 3 and 5 4 are provided to activate and deactivate the squelch circuit 2, respectively, and in the path formed by the squelch switches 5 3 and 5 4 and the squelch circuit 2, the respective remote terminals 3A, Hook switches 6 3 and 6 4 are connected in series to 4A. These switch switches 6 3 and 6 4 are connected to the remote terminals 3A and 4A.
When you take the handset off-hook, it will fall to the ON side, and when you take the handset off-hook, it will fall to the OFF side.
このように構成された無線電話システムにおい
て、例えば、遠隔端末3Aで通話を行う場合には
スケルチスイツチ53を「断」側に倒し、送受話
器をオフフツクすると、フツクスイツチ62が
ON側に倒れる。従つて、スケルチ回路2、フツ
クスイツチ63、スケルチスイツチ53の閉路が形
成され、スケルチ回路2は非動作状態となる。こ
の結果、遠隔端末3Aの受話器には無線回線の信
号による音が到来するようになり、通話可能とな
る。 In the radio telephone system configured as described above, when making a call using the remote terminal 3A, for example, when the squelch switch 53 is turned to the "off" side and the handset is turned off, the squelch switch 62 is turned off.
Fall to the ON side. Therefore, the squelch circuit 2, the hook switch 6 3 and the squelch switch 5 3 are closed, and the squelch circuit 2 becomes inactive. As a result, the sound from the wireless line signal comes to the receiver of the remote terminal 3A, and a conversation becomes possible.
通話が終了すると、送受話器はオンフツクとさ
れるから、フツクスイツチ63はOFF側へ倒れス
ケルチ回路2とスケルチスイツチ53の経路は開
かれる。従つて、スケルチ回路2が動作状態とな
り、遠隔端末3Aはもちろん、遠隔端末4Aの受
話器から不要音が聞えない。つまり、スケルチス
イツチ53の戻し忘れがあつても、不要音が聞え
ることなく、便利である。 When the call ends, the handset is turned on-hook, so the hook switch 63 is turned to the OFF side, and the path between the squelch circuit 2 and the squelch switch 53 is opened. Therefore, the squelch circuit 2 is activated, and no unnecessary sound can be heard from the receiver of the remote terminal 4A as well as the remote terminal 3A. In other words, even if you forget to return the squelch switch 53 , you will not hear unnecessary sounds, which is convenient.
[考案の効果]
以上説明したように、本考案によれば、遠隔端
末の送話器をオンフツクすると、フツクスイツチ
がスケルチ回路とスケルチスイツチとにより形成
される経路を開くように働き、スケルチスイツチ
を戻し忘れても、不要音が他方の遠隔端末から発
せられることがなく、便利である。[Effect of the invention] As explained above, according to the invention, when the transmitter of the remote terminal is turned on, the foot switch works to open the path formed by the squelch circuit and the squelch switch, and the squelch switch is turned back on. Even if you forget, unnecessary sounds will not be emitted from the other remote terminal, which is convenient.
第1図は本考案の一実施例のブロツク図、第2
図は無線電話システムの構成例のブロツク図、第
3図は従来の無線電話システムのブロツク図であ
る。
1……無線電話本体装置、2……スケルチ回
路、3A,4A……遠隔端末、53,54……スケ
ルチスイツチ、63,64……フツクスイツチ。
Fig. 1 is a block diagram of an embodiment of the present invention;
The figure is a block diagram of an example of the configuration of a wireless telephone system, and FIG. 3 is a block diagram of a conventional wireless telephone system. 1...Radio telephone main unit, 2...Squelch circuit, 3A, 4A...Remote terminal, 53 , 54 ...Squelch switch, 63 , 64 ...Hook switch.
Claims (1)
回路を有し、無線回線を介して音声信号の送受を
行う無線本体装置と、 この無線本体装置に接続され、音声信号入力用
の送話器と前記スケルチ回路を動作/非動作とす
るスケルチスイツチとを有する複数の遠隔端末と
から成り、 前記スケルチ回路と前記スケルチスイツチとの
接続経路に、前記送話器のフツクスイツチを直列
に接続したことを特徴とする無線音声端末システ
ム。[Scope of Claim for Utility Model Registration] A wireless main unit that has a squelch circuit that eliminates unnecessary sounds that arrive when a call is not made and that transmits and receives audio signals via a wireless line; It consists of a plurality of remote terminals each having a transmitter for input and a squelch switch for activating/inactivating the squelch circuit, and a hook switch of the transmitter is connected to a connection path between the squelch circuit and the squelch switch. A wireless voice terminal system characterized by being connected in series.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12672187U JPH0540598Y2 (en) | 1987-08-20 | 1987-08-20 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12672187U JPH0540598Y2 (en) | 1987-08-20 | 1987-08-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6430939U JPS6430939U (en) | 1989-02-27 |
JPH0540598Y2 true JPH0540598Y2 (en) | 1993-10-14 |
Family
ID=31378490
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12672187U Expired - Lifetime JPH0540598Y2 (en) | 1987-08-20 | 1987-08-20 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0540598Y2 (en) |
-
1987
- 1987-08-20 JP JP12672187U patent/JPH0540598Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS6430939U (en) | 1989-02-27 |
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