KR900007609U - Acoustic control switching circuit of audio pre-acoustic control amplifier - Google Patents

Acoustic control switching circuit of audio pre-acoustic control amplifier

Info

Publication number
KR900007609U
KR900007609U KR2019880014710U KR880014710U KR900007609U KR 900007609 U KR900007609 U KR 900007609U KR 2019880014710 U KR2019880014710 U KR 2019880014710U KR 880014710 U KR880014710 U KR 880014710U KR 900007609 U KR900007609 U KR 900007609U
Authority
KR
South Korea
Prior art keywords
acoustic control
switching circuit
audio pre
amplifier
control switching
Prior art date
Application number
KR2019880014710U
Other languages
Korean (ko)
Other versions
KR940000250Y1 (en
Inventor
김학도
Original Assignee
삼성전자 주식회사
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 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to KR2019880014710U priority Critical patent/KR940000250Y1/en
Publication of KR900007609U publication Critical patent/KR900007609U/en
Application granted granted Critical
Publication of KR940000250Y1 publication Critical patent/KR940000250Y1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/02—Manually-operated control
    • H03G5/04—Manually-operated control in untuned amplifiers
    • H03G5/10—Manually-operated control in untuned amplifiers having semiconductor devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/30—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters
    • H03F1/305—Modifications of amplifiers to reduce influence of variations of temperature or supply voltage or other physical parameters in case of switching on or off of a power supply

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
KR2019880014710U 1988-09-02 1988-09-02 Voice control circuit of audio voice control amplifier KR940000250Y1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR2019880014710U KR940000250Y1 (en) 1988-09-02 1988-09-02 Voice control circuit of audio voice control amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR2019880014710U KR940000250Y1 (en) 1988-09-02 1988-09-02 Voice control circuit of audio voice control amplifier

Publications (2)

Publication Number Publication Date
KR900007609U true KR900007609U (en) 1990-04-04
KR940000250Y1 KR940000250Y1 (en) 1994-01-19

Family

ID=19279102

Family Applications (1)

Application Number Title Priority Date Filing Date
KR2019880014710U KR940000250Y1 (en) 1988-09-02 1988-09-02 Voice control circuit of audio voice control amplifier

Country Status (1)

Country Link
KR (1) KR940000250Y1 (en)

Also Published As

Publication number Publication date
KR940000250Y1 (en) 1994-01-19

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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: 19970829

Year of fee payment: 6

LAPS Lapse due to unpaid annual fee