KR880013150A - Automatic recording level indication and control - Google Patents

Automatic recording level indication and control Download PDF

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Publication number
KR880013150A
KR880013150A KR870003609A KR870003609A KR880013150A KR 880013150 A KR880013150 A KR 880013150A KR 870003609 A KR870003609 A KR 870003609A KR 870003609 A KR870003609 A KR 870003609A KR 880013150 A KR880013150 A KR 880013150A
Authority
KR
South Korea
Prior art keywords
diode
transistor
switching circuit
input
resistor
Prior art date
Application number
KR870003609A
Other languages
Korean (ko)
Other versions
KR900002683B1 (en
Inventor
박생기
Original Assignee
구자학
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 구자학, 주식회사 금성사 filed Critical 구자학
Priority to KR1019870003609A priority Critical patent/KR900002683B1/en
Publication of KR880013150A publication Critical patent/KR880013150A/en
Application granted granted Critical
Publication of KR900002683B1 publication Critical patent/KR900002683B1/en

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Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • G11B20/04—Direct recording or reproducing

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Circuits Of Receivers In General (AREA)
  • Noise Elimination (AREA)

Abstract

내용 없음No content

Description

자동 녹음 레벨 지시 및 조절장치Automatic recording level indication and control

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명의 회로도.1 is a circuit diagram of the present invention.

Claims (1)

발진기, 고주파수신단, 중간 주파 및 검파단, 멀티플렉서, 저역통과 이파기로된 Fm수신기에 있어서, 저항(R1-R3)과 다이오드(D1) 및 트랜지스터(Q1, Q2)로 된 제1스위칭 회로(10) 입력은 중간주파 및 검파단(B3)의 뮤팅 신호 출력단자(E0)에 `연결하고, 그 출력은 저항(R5)과 다이오드(D3)을 통해 주파 및 검파단(B3)의 뮤팅신호 입력단자(I0)에 연결함과 동시에 저항(R4), 다이오드(O2) 및 트랜지스터(Q3)로 된 제2스위칭 회로(20)에 연결하며, 제2스위칭회로(20)의 입력은 스위치(S1)를 통해 전원(B+)에 연결하고, 그 출력은 발진기(B1) 전원 단자에 각각 연결함과 동시에 저항(R6, R7)과 트랜지스터(Q4) 및 발광다이오드(LED1)로 된 지시회로(30)와 저항(R8, R9), 다이오드(D4) 및 트랜지스터(Q5)로 된 제3스위칭회로(40) 입력에 연결하며, 제3스위칭회로(40) 출력은 저항(R10), 다이오드(D5) 및 트랜지스터(Q6)로 된 발진기(B1) 뮤팅회로(50) 입력에 연결하여서된 자동 녹음 레벨 지시 및 조절장치.In an Fm receiver consisting of an oscillator, a high frequency receiver, an intermediate frequency and a detector, a multiplexer, and a lowpass dipole, a resistor (R 1- R 3 ), a diode (D 1 ) and a transistor (Q 1 , Q 2 ) 1 The switching circuit 10 input is `connected to the muting signal output terminal (E 0 ) of the intermediate frequency and detection terminal (B 3 ), the output of which is frequency and detection through the resistor (R 5 ) and diode (D 3 ) It is connected to the muting signal input terminal (I 0 ) of stage (B 3 ) and at the same time to a second switching circuit (20) consisting of a resistor (R 4 ), a diode (O 2 ), and a transistor (Q 3 ). 2 The input of the switching circuit 20 is connected to the power supply (B + ) through the switch (S 1 ), the output is connected to the power supply terminal of the oscillator (B 1 ), respectively, and the resistors (R 6 , R 7 ) and Input of the circuit 30 of the transistor Q 4 and the light emitting diode LED 1 and the third switching circuit 40 of the resistors R 8 , R 9 , the diode D 4 and the transistor Q 5 . To the third switching circuit ( 40. Automatic recording level indication and control device connected to the input of the oscillator (B 1 ) muting circuit (50) consisting of a resistor (R 10 ), diode (D 5 ) and transistor (Q 6 ). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870003609A 1987-04-15 1987-04-15 The indicating and regulating arrangements of automatic recording level KR900002683B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870003609A KR900002683B1 (en) 1987-04-15 1987-04-15 The indicating and regulating arrangements of automatic recording level

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870003609A KR900002683B1 (en) 1987-04-15 1987-04-15 The indicating and regulating arrangements of automatic recording level

Publications (2)

Publication Number Publication Date
KR880013150A true KR880013150A (en) 1988-11-30
KR900002683B1 KR900002683B1 (en) 1990-04-23

Family

ID=19260757

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870003609A KR900002683B1 (en) 1987-04-15 1987-04-15 The indicating and regulating arrangements of automatic recording level

Country Status (1)

Country Link
KR (1) KR900002683B1 (en)

Also Published As

Publication number Publication date
KR900002683B1 (en) 1990-04-23

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