JPS5933350U - Simultaneous call type transceiver - Google Patents
Simultaneous call type transceiverInfo
- Publication number
- JPS5933350U JPS5933350U JP12911482U JP12911482U JPS5933350U JP S5933350 U JPS5933350 U JP S5933350U JP 12911482 U JP12911482 U JP 12911482U JP 12911482 U JP12911482 U JP 12911482U JP S5933350 U JPS5933350 U JP S5933350U
- Authority
- JP
- Japan
- Prior art keywords
- call type
- type transceiver
- simultaneous call
- utility
- model registration
- 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
- Transceivers (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図は従来例の回路図、第２図は本考案の第１の実施
例を、第３図は第２の実施例を、第４図は第３の実施例
を各々示す回路図、第５図は第２゜３．４図に於るスイ
ッチング信号を示す図である。
図に於て、１はマイクロホン、２は送信部、３はアンテ
ナ、４は受信部、５はスピーカー、６はスイッチング信
号発生回路、７はアンテナ切換回路、Ｃ１〜Ｃ３ハコン
デンサ、Ｌはコイル、Ｄ工〜Ｄ２はダイオード、Ｒは抵
抗、Ｓはスイッチである。FIG. 1 is a circuit diagram of a conventional example, FIG. 2 is a circuit diagram of a first embodiment of the present invention, FIG. 3 is a circuit diagram of a second embodiment, and FIG. 4 is a circuit diagram of a third embodiment. FIG. 5 is a diagram showing the switching signals in FIG. 2.3.4. In the figure, 1 is a microphone, 2 is a transmitter, 3 is an antenna, 4 is a receiver, 5 is a speaker, 6 is a switching signal generation circuit, 7 is an antenna switching circuit, C1 to C3 are capacitors, L is a coil, D-D2 are diodes, R is a resistor, and S is a switch.
Claims (4)
び受信用に用いるトランシーバ−において、変調信号の
最高周波数の２倍以上の速さのスイッチング信号を発生
する第１の手段と、上記第１の手段からのスイッチング
信号により送受アンテナ切換及び送信部のＯＮ・ＯＦＦ
切換を高速で行う第２の手段とを備えたことを特徴とし
た同時通話型トランシーバ−０(1) In a transceiver that uses the same frequency or two close frequencies for transmission and reception, a first means for generating a switching signal faster than twice the highest frequency of a modulated signal; Switching the transmitting/receiving antenna and turning on/off the transmitter by the switching signal from the means of 1.
A simultaneous call type transceiver-0 characterized by being equipped with a second means for performing switching at high speed.
Ｎ−ＯＦＦすることを特徴とした実用新案登録請求の範
囲第１項に記載の同時通話型トランシーバー二(2) The first means is automatically set to 0 depending on the presence or absence of the modulation signal.
The simultaneous call type transceiver according to claim 1 of the utility model registration, characterized in that it is N-OFF.
することを特徴とした実用新案登録請求の範囲第１項に
記載の同時通話型トランシーバ０(3) Manually turn on and off the first means with a switch
The simultaneous call type transceiver 0 according to claim 1 of the utility model registration claim characterized in that
特徴とした実用新案登録請求の範囲第３項に記載の同時
通話型トランシーバ−０(4) Simultaneous talk type transceiver-0 according to claim 3 of the utility model registration, characterized in that the switch is linked with a transmission/reception changeover switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12911482U JPS5933350U (en) | 1982-08-26 | 1982-08-26 | Simultaneous call type transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12911482U JPS5933350U (en) | 1982-08-26 | 1982-08-26 | Simultaneous call type transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5933350U true JPS5933350U (en) | 1984-03-01 |
Family
ID=30292657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12911482U Pending JPS5933350U (en) | 1982-08-26 | 1982-08-26 | Simultaneous call type transceiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5933350U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325309A (en) * | 1976-08-20 | 1978-03-09 | Matsushita Electric Ind Co Ltd | Radio call unit |
-
1982
- 1982-08-26 JP JP12911482U patent/JPS5933350U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5325309A (en) * | 1976-08-20 | 1978-03-09 | Matsushita Electric Ind Co Ltd | Radio call unit |
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