JPS54152414A - Squelch system of fm mobile radio equipment - Google Patents

Squelch system of fm mobile radio equipment

Info

Publication number
JPS54152414A
JPS54152414A JP5997578A JP5997578A JPS54152414A JP S54152414 A JPS54152414 A JP S54152414A JP 5997578 A JP5997578 A JP 5997578A JP 5997578 A JP5997578 A JP 5997578A JP S54152414 A JPS54152414 A JP S54152414A
Authority
JP
Japan
Prior art keywords
output
squelch
audio
signal level
amplifier
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
Application number
JP5997578A
Other languages
English (en)
Inventor
Nobuo Sato
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP5997578A priority Critical patent/JPS54152414A/ja
Publication of JPS54152414A publication Critical patent/JPS54152414A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
JP5997578A 1978-05-22 1978-05-22 Squelch system of fm mobile radio equipment Pending JPS54152414A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5997578A JPS54152414A (en) 1978-05-22 1978-05-22 Squelch system of fm mobile radio equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5997578A JPS54152414A (en) 1978-05-22 1978-05-22 Squelch system of fm mobile radio equipment

Publications (1)

Publication Number Publication Date
JPS54152414A true JPS54152414A (en) 1979-11-30

Family

ID=13128672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5997578A Pending JPS54152414A (en) 1978-05-22 1978-05-22 Squelch system of fm mobile radio equipment

Country Status (1)

Country Link
JP (1) JPS54152414A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0276423A (ja) * 1988-09-13 1990-03-15 Fujitsu Ltd コードレス電話通信方式
US5933769A (en) * 1996-07-11 1999-08-03 Nec Corporation Portable telephone capable of decreasing noise

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0276423A (ja) * 1988-09-13 1990-03-15 Fujitsu Ltd コードレス電話通信方式
US5933769A (en) * 1996-07-11 1999-08-03 Nec Corporation Portable telephone capable of decreasing noise

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