KR880020819U - Signal switching circuit of audio multiple TV receiver - Google Patents

Signal switching circuit of audio multiple TV receiver

Info

Publication number
KR880020819U
KR880020819U KR2019870005295U KR870005295U KR880020819U KR 880020819 U KR880020819 U KR 880020819U KR 2019870005295 U KR2019870005295 U KR 2019870005295U KR 870005295 U KR870005295 U KR 870005295U KR 880020819 U KR880020819 U KR 880020819U
Authority
KR
South Korea
Prior art keywords
receiver
switching circuit
signal switching
audio multiple
audio
Prior art date
Application number
KR2019870005295U
Other languages
Korean (ko)
Other versions
KR900004196Y1 (en
Inventor
김재호
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 KR2019870005295U priority Critical patent/KR900004196Y1/en
Publication of KR880020819U publication Critical patent/KR880020819U/en
Application granted granted Critical
Publication of KR900004196Y1 publication Critical patent/KR900004196Y1/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
    • H04N5/607—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for more than one sound signal, e.g. stereo, multilanguages
    • 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
    • H03G3/344—Muting responsive to the amount of noise (noise squelch)

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Receiver Circuits (AREA)
KR2019870005295U 1987-04-14 1987-04-14 Signal convertor for multi-sound television KR900004196Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019870005295U KR900004196Y1 (en) 1987-04-14 1987-04-14 Signal convertor for multi-sound television

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019870005295U KR900004196Y1 (en) 1987-04-14 1987-04-14 Signal convertor for multi-sound television

Publications (2)

Publication Number Publication Date
KR880020819U true KR880020819U (en) 1988-11-30
KR900004196Y1 KR900004196Y1 (en) 1990-05-12

Family

ID=19261697

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019870005295U KR900004196Y1 (en) 1987-04-14 1987-04-14 Signal convertor for multi-sound television

Country Status (1)

Country Link
KR (1) KR900004196Y1 (en)

Also Published As

Publication number Publication date
KR900004196Y1 (en) 1990-05-12

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Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
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