KR940008934U - Microphone output muting circuit when no signal - Google Patents

Microphone output muting circuit when no signal

Info

Publication number: KR940008934U
Authority: KR; South Korea
Prior art keywords: signal; microphone output; muting circuit; output muting; circuit
Prior art date: 1992-09-07

Application number

KR2019920017023U

Other languages

Korean (ko)

Other versions

KR950001491Y1 (en

Inventor

정관옥

Original Assignee

주식회사 금성사

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.)

1992-09-07

Filing date

1992-09-07

Publication date

1994-04-21

1992-09-07 Application filed by 주식회사 금성사 filed Critical 주식회사 금성사

1992-09-07 Priority to KR92017023U priority Critical patent/KR950001491Y1/en

1994-04-21 Publication of KR940008934U publication Critical patent/KR940008934U/en

1995-03-06 Application granted granted Critical

1995-03-06 Publication of KR950001491Y1 publication Critical patent/KR950001491Y1/en

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 or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/341—Muting when no signals or only weak signals are present
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones

KR92017023U 1992-09-07 1992-09-07 Microphone output muting circuit at no signal KR950001491Y1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
KR92017023U KR950001491Y1 (en)	1992-09-07	1992-09-07	Microphone output muting circuit at no signal

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
KR92017023U KR950001491Y1 (en)	1992-09-07	1992-09-07	Microphone output muting circuit at no signal

Publications (2)

Publication Number	Publication Date
KR940008934U true KR940008934U (en)	1994-04-21
KR950001491Y1 KR950001491Y1 (en)	1995-03-06

Family

ID=19339762

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
KR92017023U KR950001491Y1 (en)	1992-09-07	1992-09-07	Microphone output muting circuit at no signal

Country Status (1)

Country	Link
KR (1)	KR950001491Y1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN104451927B (en) *	2014-12-22	2016-05-18	青岛豪门实业有限公司	A kind of Chinese medicine expelling parasite additive and application thereof

1992
- 1992-09-07 KR KR92017023U patent/KR950001491Y1/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
KR950001491Y1 (en)	1995-03-06

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Legal Events

Date	Code	Title	Description
1992-09-07	A201	Request for examination
1992-09-07	UA0108	Application for utility model registration	Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19920907
1992-09-07	UA0201	Request for examination	Patent event date: 19920907 Patent event code: UA02012R01D Comment text: Request for Examination of Application
1994-04-21	UG1501	Laying open of application
1995-03-06	UG1604	Publication of application	Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19950210
1995-05-12	E701	Decision to grant or registration of patent right
1995-05-12	UE0701	Decision of registration	Patent event date: 19950512 Comment text: Decision to Grant Registration Patent event code: UE07011S01D
1995-06-15	REGI	Registration of establishment
1995-06-15	UR0701	Registration of establishment	Patent event date: 19950615 Patent event code: UR07011E01D Comment text: Registration of Establishment
1995-06-15	UR1002	Payment of registration fee	Start annual number: 1 End annual number: 3 Payment date: 19950615
1998-03-07	LAPS	Lapse due to unpaid annual fee
1998-03-07	UC1903	Unpaid annual fee