JPS5933344U - squelch device - Google Patents
squelch deviceInfo
- Publication number
- JPS5933344U JPS5933344U JP12606082U JP12606082U JPS5933344U JP S5933344 U JPS5933344 U JP S5933344U JP 12606082 U JP12606082 U JP 12606082U JP 12606082 U JP12606082 U JP 12606082U JP S5933344 U JPS5933344 U JP S5933344U
- Authority
- JP
- Japan
- Prior art keywords
- squelch
- release time
- speed
- variable release
- moving object
- 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
- Noise Elimination (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、移動体に搭載された無線電話装置に現われる
フェージングを説明するための図、第2図は速度検出器
の特性図、第3図は本考案の一実施例を示すブロック図
、第4図は第3図に示された装置の動作を説明するため
の図である。
2・・・検波器、3・・・低周波増幅器、4・・・スケ
ルチゲート、6・・・雑音増幅器、7・・・雑音検波器
、15・・・速度検出器、16・・・シュミット回路。FIG. 1 is a diagram for explaining fading that appears in a radio telephone device mounted on a mobile body, FIG. 2 is a characteristic diagram of a speed detector, and FIG. 3 is a block diagram showing an embodiment of the present invention. FIG. 4 is a diagram for explaining the operation of the apparatus shown in FIG. 3. 2... Detector, 3... Low frequency amplifier, 4... Squelch gate, 6... Noise amplifier, 7... Noise detector, 15... Speed detector, 16... Schmitt circuit.
Claims (1)
スケルチ装置において、受信信号が無となってからスケ
ルチが閉じるまでのレリーズ時間が可変のスケルチ制御
信号を形成するレリーズ時間可変回路と、移動体の速度
を検出しその結果に基いてレリーズ時間可変回路を制御
する速度検出器とを備え、移動体の速度に応じてレリー
ズ時間を変えることを特徴とするスケルチ装置。In a squelch device provided in a receiving section of a radio telephone device mounted on a mobile object, a variable release time circuit forms a squelch control signal with a variable release time from when a received signal becomes null to when the squelch closes; 1. A squelch device comprising: a speed detector that detects the speed of a moving object and controls a variable release time circuit based on the result; the squelch device changes the release time according to the speed of the moving object.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12606082U JPS5933344U (en) | 1982-08-23 | 1982-08-23 | squelch device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12606082U JPS5933344U (en) | 1982-08-23 | 1982-08-23 | squelch device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5933344U true JPS5933344U (en) | 1984-03-01 |
Family
ID=30286775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12606082U Pending JPS5933344U (en) | 1982-08-23 | 1982-08-23 | squelch device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5933344U (en) |
-
1982
- 1982-08-23 JP JP12606082U patent/JPS5933344U/en active Pending
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