KR890007985U - Noise canceling circuit of TV voice automatic switch - Google Patents

Noise canceling circuit of TV voice automatic switch

Info

Publication number
KR890007985U
KR890007985U KR2019870016632U KR870016632U KR890007985U KR 890007985 U KR890007985 U KR 890007985U KR 2019870016632 U KR2019870016632 U KR 2019870016632U KR 870016632 U KR870016632 U KR 870016632U KR 890007985 U KR890007985 U KR 890007985U
Authority
KR
South Korea
Prior art keywords
automatic switch
noise canceling
canceling circuit
voice automatic
voice
Prior art date
Application number
KR2019870016632U
Other languages
Korean (ko)
Other versions
KR900004472Y1 (en
Inventor
문상규
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.)
Filing date
Publication date
Application filed by 주식회사 금성사 filed Critical 주식회사 금성사
Priority to KR2019870016632U priority Critical patent/KR900004472Y1/en
Publication of KR890007985U publication Critical patent/KR890007985U/en
Application granted granted Critical
Publication of KR900004472Y1 publication Critical patent/KR900004472Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
    • 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
    • H03G3/342—Muting when some special characteristic of the signal is sensed which distinguishes it from noise, e.g. using speech detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
KR2019870016632U 1987-09-29 1987-09-29 Moise eleminating circuit for television audio auto-converter KR900004472Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870016632U KR900004472Y1 (en) 1987-09-29 1987-09-29 Moise eleminating circuit for television audio auto-converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870016632U KR900004472Y1 (en) 1987-09-29 1987-09-29 Moise eleminating circuit for television audio auto-converter

Publications (2)

Publication Number Publication Date
KR890007985U true KR890007985U (en) 1989-05-18
KR900004472Y1 KR900004472Y1 (en) 1990-05-21

Family

ID=19268346

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870016632U KR900004472Y1 (en) 1987-09-29 1987-09-29 Moise eleminating circuit for television audio auto-converter

Country Status (1)

Country Link
KR (1) KR900004472Y1 (en)

Also Published As

Publication number Publication date
KR900004472Y1 (en) 1990-05-21

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Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
REGI Registration of establishment
FPAY Annual fee payment

Payment date: 19940326

Year of fee payment: 5

LAPS Lapse due to unpaid annual fee