KR890007258A - DAT reel motor controller - Google Patents

DAT reel motor controller Download PDF

Info

Publication number
KR890007258A
KR890007258A KR870012107A KR870012107A KR890007258A KR 890007258 A KR890007258 A KR 890007258A KR 870012107 A KR870012107 A KR 870012107A KR 870012107 A KR870012107 A KR 870012107A KR 890007258 A KR890007258 A KR 890007258A
Authority
KR
South Korea
Prior art keywords
dat
signal
comparator
reel
frequency
Prior art date
Application number
KR870012107A
Other languages
Korean (ko)
Other versions
KR910003016B1 (en
Inventor
홍광선
Original Assignee
서주인
삼성전기 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 서주인, 삼성전기 주식회사 filed Critical 서주인
Priority to KR1019870012107A priority Critical patent/KR910003016B1/en
Publication of KR890007258A publication Critical patent/KR890007258A/en
Application granted granted Critical
Publication of KR910003016B1 publication Critical patent/KR910003016B1/en

Links

Classifications

    • 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/46—Controlling, regulating, or indicating speed

Landscapes

  • Control Of Electric Motors In General (AREA)
  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Control Of Velocity Or Acceleration (AREA)

Abstract

내용 없음No content

Description

DAT의 릴모우터 제어장치DAT reel motor controller

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제 1도는 본 발명에 따른 제어장치의 구성계통도,1 is a configuration diagram of a control device according to the present invention,

제 2도는 (a)-(c)는 제 1도의 각 회로부 출력파형도이다.2A to 2C are output waveform diagrams of the circuit parts of FIG. 1.

Claims (4)

DAT에 사용되는 릴모우터제어장치에 있어서, 헤드(1)가 자기테이프(2)에서 감지해낸 엔벨로츠신호(51)로부터 고주파성분을 제거해주는 저역통과필터(3)와, 이 저역통과필터(3)을 통과한 저주파신호(S2)로 부터 구형파(S3)를 발생시켜주는 슈미트트리거(4) 및, 상기 구형파(S3)를 그 주파수에 상응하는 전압신호로 변환시켜주는 제IF/V컨버터(5)가 차례로 배열되어 비교기(8)의 한쪽 입력단에다 검출신호를 인가시켜주고, 고속주행시의 기준주파수를 발생시켜주는 주파수발생기(6)와, 상기 기준주파수를 그 주파수에 상응하는 전압신호로 변환시켜주는 제2F/V컨버터(7)가 차례로 배열되어 비교기(8)의 다른쪽 입력단에다 기준신호를 인가시켜주며, 상기 비교기(8)의 출력단에는 비교기(8)의 출력이 소정치에 이를 경우 릴모우터고정신호를 발생시켜 주는 고정신호발생기가 연결되어짐으로써, 헤드(1)가 자기테이프(2)로부터 검출해낸 신호를 이용해서 직접 릴모우터(15)를 정밀제어해줄 수 있도록 된 것을 특징으로 하는 DAT의 릴모우터 제어장치.In the reel motor control apparatus used for the DAT, a low pass filter (3) which removes high frequency components from the envelope signal (51) detected by the magnetic tape (2) by the head (1), and the low pass filter. Schmitt trigger (4) for generating the square wave (S3) from the low frequency signal (S2) passing through (3), and IF / V converter for converting the square wave (S3) into a voltage signal corresponding to the frequency (5) are arranged in order to apply a detection signal to one input terminal of the comparator (8) and to generate a reference frequency during high-speed driving, and the reference frequency as a voltage signal corresponding to the frequency A second F / V converter 7 for converting is arranged in order to apply a reference signal to the other input terminal of the comparator 8, and the output of the comparator 8 reaches the output of the comparator 8 to a predetermined value. Fixed signal firing to generate reel motor fixed signal By doeeojim group connection, the head (1) is a magnetic tape (2) of the reel, characterized in that the DAT to give precise control of the direct reel Motor 15 using a signal detected from came up Motor control device. 제 1항에 있어서, 상기 기준 주파수발생기(6)는 빨리감기(FF) 및 되감 기(REW)의 모드선택에 따라 각각의 기준주파수를 선택적으로 발생시켜 줄 수 있도록 된 것을 특징으로 하는 DAT의 릴모우터 제어장치.The reel of the DAT according to claim 1, wherein the reference frequency generator (6) can selectively generate each reference frequency according to the mode selection of fast forward (FF) and rewind (REW). Motor control unit. 제 1항에 있어서, 상기헤드(1)는 혜드드럼(14)에 설치되어 드럼모우터구동회로(13)에 의해 회전되어지되, 상기 드럼모우터구동회로에는 정속주행(PL)과 고속써치(HS) 및 정밀제어(SC) 모드를 선택적으로 절환시켜줄 수 있도록 된 모드선택스위치(12)가 연결된 것을 특징으로 하는 DAT의 릴모우터 제어장치.According to claim 1, wherein the head (1) is installed in the drum (14) is rotated by the drum motor driving circuit 13, the drum motor driving circuit has a constant speed (PL) and high speed search ( HS) and precision control (SC) reel motor control device of the DAT, characterized in that the mode selection switch 12 is connected to selectively switch modes. 제 1항에 있어서, 상기 비교기(8)는 한쪽입력만과 출력단사이에 이득조정용 궤환저항(R)이 설치된 것을 특징으로 하는 DAT의 릴모우터 제어장치.2. The reel motor control apparatus according to claim 1, wherein the comparator (8) is provided with a gain adjusting feedback resistor (R) between only one input and an output terminal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870012107A 1987-10-30 1987-10-30 Control circuit for reel motor KR910003016B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870012107A KR910003016B1 (en) 1987-10-30 1987-10-30 Control circuit for reel motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870012107A KR910003016B1 (en) 1987-10-30 1987-10-30 Control circuit for reel motor

Publications (2)

Publication Number Publication Date
KR890007258A true KR890007258A (en) 1989-06-19
KR910003016B1 KR910003016B1 (en) 1991-05-15

Family

ID=19265598

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870012107A KR910003016B1 (en) 1987-10-30 1987-10-30 Control circuit for reel motor

Country Status (1)

Country Link
KR (1) KR910003016B1 (en)

Also Published As

Publication number Publication date
KR910003016B1 (en) 1991-05-15

Similar Documents

Publication Publication Date Title
KR880014513A (en) Method and apparatus for head positioning control of recording and reproducing apparatus
GB989458A (en) Improved electric motor control system
KR890007258A (en) DAT reel motor controller
KR850006952A (en) Tape Termination Detection Circuit
ES2036578T3 (en) RECORDING AND / OR REPRODUCTION DEVICE INCLUDING A HEAD OBSTRUCTION DETECTOR HALF.
KR910013138A (en) Tracking Control
JPS567489A (en) System for controlling photo-output
KR920000042Y1 (en) Control circuit for capstan motor
KR910002262A (en) Broadcasting method detection circuit of tape during playback
KR930004046Y1 (en) Circuit for generating operating signal for vhs index search system and vhs address search system
SU819570A2 (en) Contact vibration measuring device
SU613395A1 (en) Device for magnetic tape speed control
KR900000096B1 (en) Automatic tracking circuit
SU1018207A2 (en) Controlled sawtooth voltage generator
KR870003299Y1 (en) Slow control device
SU561997A1 (en) Device for frequency-phase control of the average speed of the magnetic tape
SU1013735A1 (en) Displacement to electric signal convertion device
SU476507A1 (en) Magnetic tape speed oscillation meter
JPS54128715A (en) Magnetic recording and reproducing apparatus
SU651266A1 (en) Arrangement for threshold voltage checking
SU1042080A2 (en) Magnetic medium speed meter
SU1524157A1 (en) Phase-responsive rectifier
KR910007642Y1 (en) Donble azimuth four head control head
KR920001444A (en) Taco Pulse Generator Circuit
KR890016827A (en) Vertical deflection circuit

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19971129

Year of fee payment: 8

LAPS Lapse due to unpaid annual fee