JPS5230310A - Identifying circuit - Google Patents

Identifying circuit

Info

Publication number
JPS5230310A
JPS5230310A JP50107286A JP10728675A JPS5230310A JP S5230310 A JPS5230310 A JP S5230310A JP 50107286 A JP50107286 A JP 50107286A JP 10728675 A JP10728675 A JP 10728675A JP S5230310 A JPS5230310 A JP S5230310A
Authority
JP
Japan
Prior art keywords
identifying circuit
circuit
squelch
false operation
identifying
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
JP50107286A
Other languages
Japanese (ja)
Inventor
Hiroshi Takegaki
Nobuhiro Nakamura
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP50107286A priority Critical patent/JPS5230310A/en
Publication of JPS5230310A publication Critical patent/JPS5230310A/en
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

Abstract

PURPOSE:To provide an identifying circuit which is used in a squelch circuit for the purpose of avoiding false operation of squelch on a receievr as that false operation is caused by the out of band noise from the other transmitters.
JP50107286A 1975-09-04 1975-09-04 Identifying circuit Pending JPS5230310A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50107286A JPS5230310A (en) 1975-09-04 1975-09-04 Identifying circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50107286A JPS5230310A (en) 1975-09-04 1975-09-04 Identifying circuit

Publications (1)

Publication Number Publication Date
JPS5230310A true JPS5230310A (en) 1977-03-08

Family

ID=14455226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50107286A Pending JPS5230310A (en) 1975-09-04 1975-09-04 Identifying circuit

Country Status (1)

Country Link
JP (1) JPS5230310A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388731A (en) * 1981-07-01 1983-06-14 Rockwell International Corporation Receiver with squelch for offset carrier environment
US4506381A (en) * 1981-12-29 1985-03-19 Mitsubishi Denki Kabushiki Kaisha Aural transmitter device
JPS6072331A (en) * 1983-09-28 1985-04-24 Nec Corp Automatic disabler for echo controlling device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388731A (en) * 1981-07-01 1983-06-14 Rockwell International Corporation Receiver with squelch for offset carrier environment
US4506381A (en) * 1981-12-29 1985-03-19 Mitsubishi Denki Kabushiki Kaisha Aural transmitter device
JPS6072331A (en) * 1983-09-28 1985-04-24 Nec Corp Automatic disabler for echo controlling device

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Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees