JPS59175230A - 移動無線機のスケルチ感度制御装置 - Google Patents

移動無線機のスケルチ感度制御装置

Info

Publication number
JPS59175230A
JPS59175230A JP58050061A JP5006183A JPS59175230A JP S59175230 A JPS59175230 A JP S59175230A JP 58050061 A JP58050061 A JP 58050061A JP 5006183 A JP5006183 A JP 5006183A JP S59175230 A JPS59175230 A JP S59175230A
Authority
JP
Japan
Prior art keywords
squelch
level
channel
setting circuit
signal
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.)
Granted
Application number
JP58050061A
Other languages
English (en)
Japanese (ja)
Other versions
JPH035696B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Sotoaki Babano
馬場野　外明
Takenao Banba
番場　武尚
Akira Wakana
若菜　明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP58050061A priority Critical patent/JPS59175230A/ja
Publication of JPS59175230A publication Critical patent/JPS59175230A/ja
Publication of JPH035696B2 publication Critical patent/JPH035696B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present

Landscapes

  • Noise Elimination (AREA)
  • Mobile Radio Communication Systems (AREA)
JP58050061A 1983-03-25 1983-03-25 移動無線機のスケルチ感度制御装置 Granted JPS59175230A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58050061A JPS59175230A (ja) 1983-03-25 1983-03-25 移動無線機のスケルチ感度制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58050061A JPS59175230A (ja) 1983-03-25 1983-03-25 移動無線機のスケルチ感度制御装置

Publications (2)

Publication Number Publication Date
JPS59175230A true JPS59175230A (ja) 1984-10-04
JPH035696B2 JPH035696B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-01-28

Family

ID=12848480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58050061A Granted JPS59175230A (ja) 1983-03-25 1983-03-25 移動無線機のスケルチ感度制御装置

Country Status (1)

Country Link
JP (1) JPS59175230A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60193728U (ja) * 1984-05-31 1985-12-23 株式会社富士通ゼネラル パ−ソナル無線機
JPS61269426A (ja) * 1985-05-23 1986-11-28 Yaesu Musen Co Ltd スケルチ回路
JPS6416134A (en) * 1987-07-10 1989-01-19 Toshiba Corp Radio telephone system
WO1994017601A1 (en) * 1993-01-29 1994-08-04 Motorola Inc. Communications receiver with an adaptive squelch system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60193728U (ja) * 1984-05-31 1985-12-23 株式会社富士通ゼネラル パ−ソナル無線機
JPS61269426A (ja) * 1985-05-23 1986-11-28 Yaesu Musen Co Ltd スケルチ回路
JPS6416134A (en) * 1987-07-10 1989-01-19 Toshiba Corp Radio telephone system
WO1994017601A1 (en) * 1993-01-29 1994-08-04 Motorola Inc. Communications receiver with an adaptive squelch system
US5465404A (en) * 1993-01-29 1995-11-07 Motorola, Inc. Communications receiver with an adaptive squelch system

Also Published As

Publication number Publication date
JPH035696B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-01-28

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