JPS5994458U - personal radio - Google Patents
personal radioInfo
- Publication number
- JPS5994458U JPS5994458U JP19002082U JP19002082U JPS5994458U JP S5994458 U JPS5994458 U JP S5994458U JP 19002082 U JP19002082 U JP 19002082U JP 19002082 U JP19002082 U JP 19002082U JP S5994458 U JPS5994458 U JP S5994458U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- control signal
- control
- output
- 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
図は本考案によるパーソナル無線機の一実施例 −
を示すブロック図である。
２・・・・・・主切換スイッチ、３・・・・・・受信回
路、５・・・・・・スピーカ、６・・・・・・コントロ
ール回路、８・・・・・・ボイスコントロール回路、９
・・・・・・送信回路、１１・・・・・・マイクロホン
、１２・・・・・・スケルチ回路、１３・・・・・・検
波回路、１４・・・・・・アンドゲート、１５・・・・
・・シュミット回路、１６・・・・・・スイッチング回
路、１７・・・・・・シュミット回路、１８・・・・・
・可変抵抗器。The figure shows an example of a personal radio device according to the present invention.
FIG. 2...Main selector switch, 3...Receiving circuit, 5...Speaker, 6...Control circuit, 8...Voice control circuit , 9
......Transmission circuit, 11...Microphone, 12...Squelch circuit, 13...Detection circuit, 14...And gate, 15. ...
... Schmitt circuit, 16... Switching circuit, 17... Schmitt circuit, 18...
・Variable resistor.
Claims (3)
モードとが切換可能なパーソナル無線機において、前記
受信回路と前記送信回路とを選択的に動作状態とするコ
ントロール回路と、受信電界強度が所定の閾値以下のと
き前記受信回路の検波出力を阻止しかつ第１の制御信号
を発生するスケルチ回路と、該第１の制御信号の期間動
作し送信すべきオーディオ信号期間に相当する期間の第
２の制御信号を発生するボイスコントロール回路とを設
け、前記コントロール回路は、該第２の制御信号期間前
記送信回路を動作状態にし、受信すべき電波が存在しな
いときの前記送信すべきオーディオ信号期間に相当する
期間、送信モードとすることができるように構成したこ
とを特徴とするパーソナル無線機。(1) A personal radio device that includes a receiving circuit and a transmitting circuit and is capable of switching between a receiving mode and a transmitting mode, including a control circuit that selectively puts the receiving circuit and the transmitting circuit into an operating state, and a received electric field strength. a squelch circuit that blocks the detection output of the receiving circuit and generates a first control signal when a voice control circuit that generates a second control signal, and the control circuit activates the transmitting circuit during the second control signal period to generate the audio signal to be transmitted when there is no radio wave to be received. A personal radio device characterized in that it is configured to be in a transmission mode for a period corresponding to the above period.
記スケルチ回路は、前記受信電界強度に応じた振幅の信
号が供給されるシュミット回路と、スイッチング回路と
からなり、該シュミット回路の出力信号は前記検波出力
を阻止すべく該スイッチング回路を動作させるとともに
前記第１の制御信号とすることを特徴とするパーソナル
無線機。(2) Utility model registration In claim (1), the squelch circuit includes a Schmitt circuit to which a signal with an amplitude corresponding to the received electric field strength is supplied, and a switching circuit, and the squelch circuit includes an output of the Schmitt circuit. A personal radio device characterized in that the signal operates the switching circuit to block the detection output and is used as the first control signal.
）項において、前記ボイスコントロール回路は、前記送
信すべきオーディ矛信号を検波する検波回路と、該検波
回路の出力信号と前記第１の制御信号とが供給されるア
ンドゲートと、該アンドゲートの出力信号によってトリ
ガーされ前記第２の制御信号を発生するシュミット回路
とからなることを特徴とするパーソナル無線機。(3) Scope of claims for utility model registration, paragraph (1) or (2)
), the voice control circuit comprises: a detection circuit for detecting the audio signal to be transmitted; an AND gate to which the output signal of the detection circuit and the first control signal are supplied; and a Schmitt circuit that is triggered by an output signal to generate the second control signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19002082U JPS5994458U (en) | 1982-12-17 | 1982-12-17 | personal radio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19002082U JPS5994458U (en) | 1982-12-17 | 1982-12-17 | personal radio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5994458U true JPS5994458U (en) | 1984-06-27 |
Family
ID=30409534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19002082U Pending JPS5994458U (en) | 1982-12-17 | 1982-12-17 | personal radio |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5994458U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11687473B2 (en) | 2019-09-20 | 2023-06-27 | Rheinisch-Westfälische Technische Hochschule (Rwth) Aachen | Component for initializing a quantum dot |
-
1982
- 1982-12-17 JP JP19002082U patent/JPS5994458U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11687473B2 (en) | 2019-09-20 | 2023-06-27 | Rheinisch-Westfälische Technische Hochschule (Rwth) Aachen | Component for initializing a quantum dot |
| US11983126B2 (en) | 2019-09-20 | 2024-05-14 | Rheinisch-Westfälische Technische Hochschule (Rwth) Aachen | Component for reading out the states of qubits in quantum dots |
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