JPS61195135U - - Google Patents
Info
- Publication number
- JPS61195135U JPS61195135U JP5891885U JP5891885U JPS61195135U JP S61195135 U JPS61195135 U JP S61195135U JP 5891885 U JP5891885 U JP 5891885U JP 5891885 U JP5891885 U JP 5891885U JP S61195135 U JPS61195135 U JP S61195135U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- switching
- operating state
- control means
- antenna
- 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
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transceivers (AREA)
Description
第１図は本考案の一実施例の構成を示すブロツ
ク図。
１……アンテナ、２……アンテナ切替回路、３
……受信回路、３Ａ……受信判別回路、４……ス
ピーカ、５……マイクロホン、６……送信回路、
６Ａ……スイツチ回路、７……アンドゲート、８
……発呼要求スイツチ。
FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention. 1...Antenna, 2...Antenna switching circuit, 3
...Receiving circuit, 3A...Reception discrimination circuit, 4...Speaker, 5...Microphone, 6...Transmission circuit,
6A...Switch circuit, 7...And gate, 8
...Call request switch.
Claims (1)
てアンテナに接続される受信回路と送信回路とを
備え、少なくともアンテナ切替回路を切替えて同
一周波数を用いて交信を行なう無線通信装置にお
いて、受信中であるか否かを判別する受信判別手
段と、送信回路を動作または非動作状態に切替制
御する第１制御手段と、受信判別手段の出力と発
呼要求信号とを受けて受信判別手段により非受信
中と判別されかつ発呼要求信号の発生中のみアン
テナ切替回路を送信回路側に切替えるとともに第
１制御手段により送信回路を動作状態に制御させ
る第２制御手段とを備えてなることを特徴とする
無線通信装置。 In a wireless communication device that includes an antenna switching circuit, and a receiving circuit and a transmitting circuit that are connected to the antenna via the antenna switching circuit, and performs communication using the same frequency by switching at least the antenna switching circuit, whether or not reception is in progress. a first control means for controlling the switching of the transmitting circuit to an operating state or a non-operating state; a second control means for switching the antenna switching circuit to the transmitting circuit side only when the call request signal is being discriminated and generating a call request signal, and causing the first control means to control the transmitting circuit to an operating state. Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5891885U JPS61195135U (en) | 1985-04-22 | 1985-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5891885U JPS61195135U (en) | 1985-04-22 | 1985-04-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61195135U true JPS61195135U (en) | 1986-12-05 |
Family
ID=30584866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5891885U Pending JPS61195135U (en) | 1985-04-22 | 1985-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61195135U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52119813A (en) * | 1976-04-01 | 1977-10-07 | Sharp Corp | Transceiver |
| JPS5943641A (en) * | 1982-09-02 | 1984-03-10 | Sanyo Electric Co Ltd | Radiotelephone |
-
1985
- 1985-04-22 JP JP5891885U patent/JPS61195135U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52119813A (en) * | 1976-04-01 | 1977-10-07 | Sharp Corp | Transceiver |
| JPS5943641A (en) * | 1982-09-02 | 1984-03-10 | Sanyo Electric Co Ltd | Radiotelephone |