JPS60114452U - Diversity receiving device - Google Patents
Diversity receiving deviceInfo
- Publication number
- JPS60114452U JPS60114452U JP218884U JP218884U JPS60114452U JP S60114452 U JPS60114452 U JP S60114452U JP 218884 U JP218884 U JP 218884U JP 218884 U JP218884 U JP 218884U JP S60114452 U JPS60114452 U JP S60114452U
- Authority
- JP
- Japan
- Prior art keywords
- receiving device
- diversity receiving
- electric field
- field strength
- determination 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.)
- Pending
Links
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図は従来のダイパーシティ受信装置の構成を示すブ
ロック図、第２図は本考案の原理を説明するためのダイ
パーシティ受−信装置のブロック図、第３図は第２図に
示す装置の中で使用される電界強度判定回路の回路図、
第４図は本考案の他の一つの実施の態様によるダイパー
シティ受信袋 −置の一部回路図を含むブロック
図である。
１・・・主アンテナ、２・・・補助アンテナ、３・・・
アンテナ切換えスイッチ部、４・・・高周波増幅器、５
・・・中間周波増幅器、６・・・検波回路、７・・・オ
ーディオ増幅器、８・・・スピーカ、９・・・受信状態
良否判定部、１０・・・制御部、１１・・・電界強度判
定回路、１２・・・セット・１）セット端子付きフリッ
プフロップ回路、１３．１９・・・比較器、１４・・・
比較器の入力、１５・・・−動同調入力、１６・・・電
界強度判定回路の出力、１７．１８・・・ダイオード、
２０・・・発振器。FIG. 1 is a block diagram showing the configuration of a conventional diversity receiving device, FIG. 2 is a block diagram of the diversity receiving device for explaining the principle of the present invention, and FIG. 3 is the device shown in FIG. 2. Circuit diagram of electric field strength determination circuit used in
FIG. 4 is a block diagram including a partial circuit diagram of a diaphragm receiver according to another embodiment of the present invention. 1... Main antenna, 2... Auxiliary antenna, 3...
Antenna changeover switch section, 4...high frequency amplifier, 5
. . . Intermediate frequency amplifier, 6 . . . Detection circuit, 7 . Judgment circuit, 12...Set/1) Flip-flop circuit with set terminal, 13.19... Comparator, 14...
Input of comparator, 15... - dynamic tuning input, 16... output of electric field strength determination circuit, 17.18... diode,
20... Oscillator.
Claims (1)
信装置において、電界強度判定回路を備え、・電界強度
が予めすめられた測具下と低下したとき、上記電界強度
判定回路の出力によって動作するアンテナ切換え制御部
がアンテナ切換え動作を停止し、最も高い利得を有する
アンテナを受信゛機入力に固定して接続することを特徴
とするダイパーシティ受信装置。A diversity receiving device that switches between a plurality of antennas and receives signals, and includes an electric field strength determination circuit, and an antenna switching control that operates based on the output of the electric field strength determination circuit when the electric field strength decreases to a predetermined level. 1. A diversity receiving device, characterized in that a section stops an antenna switching operation and fixes and connects an antenna having the highest gain to a receiver input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP218884U JPS60114452U (en) | 1984-01-11 | 1984-01-11 | Diversity receiving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP218884U JPS60114452U (en) | 1984-01-11 | 1984-01-11 | Diversity receiving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60114452U true JPS60114452U (en) | 1985-08-02 |
Family
ID=30475630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP218884U Pending JPS60114452U (en) | 1984-01-11 | 1984-01-11 | Diversity receiving device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60114452U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58198929A (en) * | 1982-05-14 | 1983-11-19 | Matsushita Electric Ind Co Ltd | Diversity receiving device |
-
1984
- 1984-01-11 JP JP218884U patent/JPS60114452U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58198929A (en) * | 1982-05-14 | 1983-11-19 | Matsushita Electric Ind Co Ltd | Diversity receiving device |
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