KR910002995Y1 - 하이파이 브이씨알의 음성신호 자동 스위칭회로 - Google Patents
하이파이 브이씨알의 음성신호 자동 스위칭회로 Download PDFInfo
- Publication number
- KR910002995Y1 KR910002995Y1 KR2019870017023U KR870017023U KR910002995Y1 KR 910002995 Y1 KR910002995 Y1 KR 910002995Y1 KR 2019870017023 U KR2019870017023 U KR 2019870017023U KR 870017023 U KR870017023 U KR 870017023U KR 910002995 Y1 KR910002995 Y1 KR 910002995Y1
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- amplifier
- detector
- terminal
- head
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/027—Analogue recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
- G11B15/026—Control of operating function, e.g. switching from recording to reproducing by using processor, e.g. microcomputer
-
- 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
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Abstract
Description
Claims (1)
- 하이파이 헤드(CH1)(CH2), 전단증폭기(1)(2)(17), 스위치(SW1), 증폭기(3), 대역여파기(4)(5), 리미터(6)(7), FM검파부(8)(9), 홀드증폭기(10)(11) 드롭아웃 검파부(12), 하이파이뮤트 검파부(13), 마이콤(14), 로직제어부(15), 이퀄라이저증폭기(16), 노르말헤드(CH3) 및 하이파이 절환스위치(SW2)(SW3)로된 음성신호 스위칭회로에 있어서, 상기 증폭기(3)의 출력측을 콘덴서(C1), 저항(R1-R4) 및 트랜지스터(TR1)로된 증폭부(20)를 통해 후 다이오드(D1, D2) 및 저항(R5)으로된 레벨 검출부(21)를 통해 비반전 입력단자(+)에 기준전압(Vref)이 입력되는 차동증폭기(OP2)의 발전 입력단자(-)에 접속하여 그의 출력단자를 가변저항(R1)을 통해 반전입력단자(-)에 궤환 접속함과 아울러 다이오드(D3)를 통해 다이오드(D4)를 통한 상기 하이파이 뮤트검파부(13)의 출력측과 함께 마이콤(14)에 접속하여 구성함을 특징으로 하는 하이파이 브이씨알의 음성신호 자동스위칭회로.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870017023U KR910002995Y1 (ko) | 1987-09-30 | 1987-09-30 | 하이파이 브이씨알의 음성신호 자동 스위칭회로 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019870017023U KR910002995Y1 (ko) | 1987-09-30 | 1987-09-30 | 하이파이 브이씨알의 음성신호 자동 스위칭회로 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR890007513U KR890007513U (ko) | 1989-05-16 |
| KR910002995Y1 true KR910002995Y1 (ko) | 1991-05-03 |
Family
ID=19268432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019870017023U Expired KR910002995Y1 (ko) | 1987-09-30 | 1987-09-30 | 하이파이 브이씨알의 음성신호 자동 스위칭회로 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR910002995Y1 (ko) |
-
1987
- 1987-09-30 KR KR2019870017023U patent/KR910002995Y1/ko not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| KR890007513U (ko) | 1989-05-16 |
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