KR970003060A - CD-ROM / Floppy Disc Drive Circuit - Google Patents

CD-ROM / Floppy Disc Drive Circuit Download PDF

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Publication number
KR970003060A
KR970003060A KR1019950016267A KR19950016267A KR970003060A KR 970003060 A KR970003060 A KR 970003060A KR 1019950016267 A KR1019950016267 A KR 1019950016267A KR 19950016267 A KR19950016267 A KR 19950016267A KR 970003060 A KR970003060 A KR 970003060A
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KR
South Korea
Prior art keywords
rom
disk
floppy disk
data
drive circuit
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KR1019950016267A
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Korean (ko)
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KR0147120B1 (en
Inventor
박상온
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구자홍
Lg 전자 주식회사
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Priority to KR1019950016267A priority Critical patent/KR0147120B1/en
Publication of KR970003060A publication Critical patent/KR970003060A/en
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Publication of KR0147120B1 publication Critical patent/KR0147120B1/en

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    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20Driving; Starting; Stopping; Control thereof
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark

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  • Signal Processing For Digital Recording And Reproducing (AREA)

Abstract

본 발명은 시디롬 구동회로와 FD 구동회로를 하나로 구성시키고, 삽입되는 디스크에 따라 선속도 또는 각속도로 스핀들모터를 회전시켜 시디롬가 사용되는 컴퓨터를 경박단소화시키는 시디롬/FD 겸용구동회로에 관한 것이다.The present invention relates to a CD-ROM / FD combined drive circuit which consists of a CD-ROM drive circuit and an FD drive circuit in one, and rotates the spindle motor at a linear speed or an angular speed according to a disc to be inserted to make the CD-ROM used light and small.

본 발명은 플로피 디스크가 수납된 디스켓 또는 시디롬 디스크를 수용하는 트레이와, 상기 트레이에 삽입되는 디스크를로딩시키는 로딩 메카와, 상기 로딩 메카에 의해 로딩된 디스크가 시디롬 디스크인지 플로피 디스크인지를 판별하는 디스크 판별부와, 상기 디스크 판별부에서 시디롬으로 판별되면 디스크를 선속도로 구동하여 시디롬으로부터 광학 데이타를읽는 시디롬 재생 처리 회로와, 상기 디스크 판별 수단에서 플로피 디스크로 판별되면 디스크를 각속도로 구동하여 플로피 디스크에 데이타를 기록하거나 플로피 디스크로부터 데이타를 재생하는 플로피 디스크 기록 재생 처리부로 구성되어,삽입되는 디스크의 종류에 따라 스핀들 모터를 CLV 또는 CAV로 선택 구동시킴으로써, 노트북이나 랩탑과 같은 소형 퍼스널 컴퓨터에 장착이 가능하도록 소형화, 박형화 할 수 있다.The present invention provides a tray for receiving a diskette or CD-ROM disk containing a floppy disk, a loading mechanism for loading a disk inserted in the tray, and a disk for determining whether the disk loaded by the loading mechanism is a CD-ROM disk or a floppy disk. Discrimination unit, a CD-ROM reproducing processing circuit which reads optical data from a CD-ROM by driving the disc at a linear speed when the disc discrimination unit is determined to be a CD-ROM; It consists of a floppy disk recording and reproducing processing unit for recording data to and reproducing data from a floppy disk. The spindle motor is driven by CLV or CAV depending on the type of disk to be inserted, so that it can be mounted on a small personal computer such as a laptop or a laptop. Possibly Compact, it can be thinned.

Description

시디롬/플로피 디스크 겸용 구동 회로CD-ROM / Floppy Disc Drive Circuit

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

제1도는 일반적인 시디롬 구동 회로를 나타낸 블럭도, 제2도는 일반적인 플로피 디스크 구동 회로를 나타낸 블럭도, 제3도는 본 발명에 따른 시디롬/플로피 디스크 겸용 구동회로의 일실시예를 나타낸 블럭도, 제4도는 본 발명에 따른 시디롬 디스크와 플로피 디스크를 겸용으로 구동하기 위한 구동 방법을 나타낸 흐름도, 제5도는 상기 제4도에서 시디롬의 구동을 초기화하는 과정을 나타낸 흐름도, 제6도는 상기 제4도에서 플로피 디스크의 구동을 초기화하는 과정을 나타낸 흐름도.1 is a block diagram showing a typical CD-ROM drive circuit, FIG. 2 is a block diagram showing a general floppy disk drive circuit, and FIG. 3 is a block diagram showing an embodiment of a CD-ROM / floppy disk drive circuit according to the present invention. FIG. 5 is a flowchart illustrating a driving method for driving a CD-ROM disk and a floppy disk according to the present invention. FIG. 5 is a flowchart illustrating a process of initializing driving of the CD-ROM in FIG. 4, and FIG. 6 is a floppy in FIG. 4. Flowchart showing the process of initializing the drive of the disk

Claims (6)

플로피 디스크가 수납된 디스켓 또는 시디롬 디스크를 수용하는 트레이와, 상기 트레이에 삽입되는 디스크를 로딩시키는 로딩 수단과, 상기 로딩 수단에 의해 로딩된 디스크가 시디롬 디스크인지 플로피 디스크인지를 판별하는디스크 판별 수단과, 상기 디스크 판별 수단에서 판별되는 디스크의 종류에 따라 각 부를 제어하는 제어 수단과, 상기 디스크 판별 수단에서 시디롬으로 판별되면 상기 제어수단의 제어에 의해 디스크를 선속도로 구동하여 시디롬으로부터 광학데이타를 읽는 시디롬 재생 처리 수단과, 상기 디스크 판별 수단에서 플로피 디스크로 판별되면 상기 제어 수단의 제어에의해 디스크를 각속도로 구동하여 플로피 디스크에 데이타를 기록하거나 플로피 디스크로부터 데이타를 재생하는 플로피디스크 기록 재생 처리수단으로 구성되는 시디롬/플로피 디스크 겸용 구동회로.A tray accommodating a diskette or CD-ROM disk in which a floppy disk is stored, loading means for loading a disk inserted into the tray, disk discriminating means for discriminating whether the disk loaded by the loading means is a CD-ROM disk or a floppy disk; A control means for controlling each part according to the type of the disc determined by the disc discrimination means; and when the disc discrimination means determines the CD-ROM, the optical disc is read out from the CD-ROM by driving the disc at a linear speed under the control of the control means. To a floppy disk recording / playback processing means for recording data to or from the floppy disk by driving the disk at an angular speed under the control of the control means, when it is determined that the CD-ROM playback processing means and the disk discriminating means are floppy disks. Configured A CD-ROM / floppy disk combination drive circuit. 제1항에 있어서, 상기 시디롬 재생 처리 수단은, 시디롬 구동시 플로피용 자기 헤드를 시디롬 구동에 방해가 되지 않도록 퇴피시킴을 특징으로 하는 시디롬/플로피 디스크 겸용구동회로.2. The CD-ROM / floppy disk drive circuit of claim 1, wherein the CD-ROM regeneration processing means retracts the floppy magnetic head so as not to interfere with CD-ROM driving during CD-ROM driving. 제1항에 있어서, 상기 시디롬 재생 처리 수단은, 시디롬 디스크의 정해진 위치에 레이져를 비추어 그 반사광을 픽업하는 광 픽업과, 상기 시디롬 디스크를 선속도로 구동하는 디스크 구동부와, 상기 광 픽업을 통해 읽어들인 데이타를 증폭하고 선속도 제어에 필요한 신호를 추출하여 상기 디스크 구동부로 피드백시키는 고주파 증폭 및 서보 신호처리부와, 상기 고주파 증폭 및 서보 신호 처리부에서 출력되는 신호로부터 서보에 관련된 신호를 추출하여 상기 디스크구동부로 피드백함과 동시에 데이타 복원을 위한 처리를 수행하는 디지탈 신호 처리부와, 상기 디지탈 신호 처리부에서복원된 데이타가 콤팩트 디스크-디지탈 오디오 데이타이면 아날로그 신호로 변환하여 좌, 우 채널에 오디오 신호를 출력하는 디지탈/아날로그 컨버터와, 상기 디지탈 신호 처리부에서 복원된 데이타가 콤팩트 디스크-디지탈 오디오 데이타가아니면 데이타의 포맷에 따라 필요한 정보를 만들고 에러 정정등을 수행하는 시디롬 디코더가 구비됨을 특징으로 하는 시디롬/플로피 디스크 겸용구동회로.The CD-ROM reproduction processing means according to claim 1, further comprising: an optical pickup for picking up the reflected light by illuminating the laser at a predetermined position of the CD-ROM disk, a disk drive unit for driving the CD-ROM disk at a linear speed, and reading it through the optical pickup. A high frequency amplification and servo signal processing unit for amplifying the input data and extracting a signal necessary for linear speed control and feeding it back to the disc driving unit, and extracting a signal related to servo from a signal output from the high frequency amplification and servo signal processing unit A digital signal processor for performing data restoration and at the same time performing data restoration, and a digital disk for converting an analog signal and outputting an audio signal to the left and right channels if the data restored by the digital signal processor is compact disc-digital audio data. / Analog converter and the digital The restored data in the call control compact disk - not the digital audio data to create the necessary information in accordance with the format of the data to the CD-ROM / floppy disk combination drive circuit, characterized in that the CD-ROM decoder having to perform such error correction. 제1항에 있어서, 상기 플로피 디스크 기록 재생 처리 수단은, 플로피 디스크 구동시 상기 시디롬 재생 처리 수단의 동작을 오프시킴을 특징으로 하는 시디롬/플로피 디스크 겸용구동 회로.The CD-ROM / floppy disk drive circuit as claimed in claim 1, wherein said floppy disk recording and reproducing processing means turns off the operation of said CD-ROM reproducing processing means when the floppy disk is driven. 제1항에 있어서, 상기 플로피 디스크 기록 재생 처리 수단은, 상기 플로피 디스크를 각속도로 구동하는 디스크 구동부와, 자기 데이타를 플로피 디스크에 리드 및 라이트하는 리드/라이트 자기 헤드와, 리드/라이트 자기 헤드를필요한 트랙에 위치시키는 스테퍼 구동부와, 상기 리드/라이트 자기 헤드를 통해 읽은 데이타를 호스트 컴퓨터로 전송하거나 호스트 컴퓨터로부터 데이타를 받아 자기 헤드를 통해 플로피 디스크에 기록하도록 제어하는 리드/라이트 제어부가구비됨을 특징으로 하는 시디롬/플로피 디스크 겸용 구동회로.2. The apparatus of claim 1, wherein the floppy disk recording / reproducing processing means comprises: a disk drive unit for driving the floppy disk at an angular speed, a read / write magnetic head for reading and writing magnetic data into the floppy disk, and a read / write magnetic head. Stepper driver for positioning the required track, and read / write control unit for controlling to transfer the data read through the read / write magnetic head to the host computer or to receive data from the host computer to write to the floppy disk through the magnetic head CD-ROM / floppy disk drive circuit. 제3항과 제5항에 있어서, 상기 디스크 구동부는, 동일함을 특징으로 하는 시디롬/플로피 디스크 겸용구동회로.6. The CD-ROM / floppy disk combined drive circuit according to claim 3 or 5, wherein the disc drive unit is the same. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950016267A 1995-06-19 1995-06-19 Driving circuit for both cd-rom and floppy disk KR0147120B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950016267A KR0147120B1 (en) 1995-06-19 1995-06-19 Driving circuit for both cd-rom and floppy disk

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Application Number Priority Date Filing Date Title
KR1019950016267A KR0147120B1 (en) 1995-06-19 1995-06-19 Driving circuit for both cd-rom and floppy disk

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KR970003060A true KR970003060A (en) 1997-01-28
KR0147120B1 KR0147120B1 (en) 1998-10-15

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100425292B1 (en) * 1997-01-31 2004-07-16 삼성전자주식회사 Cd-rom data reproducing apparatus for preventing vibration of set caused due to frequent speed conversion and heat generation of spindle motor or spindle motor drive ic by storing audio data in buffer at constant angular velocity and outputting the audio data to op amplifier at constant linear velocity by single speed
KR100498408B1 (en) * 1997-06-23 2005-09-02 삼성전자주식회사 CD-ROM driver that supports CAV using Atapi decoder
JP4806839B2 (en) * 2000-07-19 2011-11-02 ソニー株式会社 Recording apparatus and recording method

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