KR960002268A - Disc determination method and device - Google Patents

Disc determination method and device Download PDF

Info

Publication number
KR960002268A
KR960002268A KR1019940013006A KR19940013006A KR960002268A KR 960002268 A KR960002268 A KR 960002268A KR 1019940013006 A KR1019940013006 A KR 1019940013006A KR 19940013006 A KR19940013006 A KR 19940013006A KR 960002268 A KR960002268 A KR 960002268A
Authority
KR
South Korea
Prior art keywords
disc
time
disk
diameter
counted
Prior art date
Application number
KR1019940013006A
Other languages
Korean (ko)
Other versions
KR0155761B1 (en
Inventor
민경서
Original Assignee
김광호
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 김광호, 삼성전자 주식회사 filed Critical 김광호
Priority to KR1019940013006A priority Critical patent/KR0155761B1/en
Publication of KR960002268A publication Critical patent/KR960002268A/en
Application granted granted Critical
Publication of KR0155761B1 publication Critical patent/KR0155761B1/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, 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
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • G11B19/125—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark involving the detection of carrier data format
    • 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
    • G11B20/10009—Improvement or modification of read or write signals
    • G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Recording Or Reproduction (AREA)

Abstract

디스크가 규정의 회전속도에 이르게 되기까지의 시간을 검사하여 장착된 디스크의 종류를 판별하는 방법 및 장치가 개시된다.Disclosed are a method and apparatus for determining the type of mounted disc by checking the time until the disc reaches a prescribed rotational speed.

본 발명에 따른 디스크 판별방법은 장착된 디스크를 회전시키며 회전서보를 수행하는 과정; 상기 회전서보과정에서 디스크가 회전하기 시작하여 규정속도에 도달할 때까지의 소요시간을 계수하는 과정; 및 상기 계수된 시간을 제1직경의 디스크가 규정의 정상속도에 이르는 한계시간과 비교하고, 계수된 시간이 한계시간보다 작으면 제1직경의 디스크가 장착된 것으로 판별하고, 계수된 시간이 임계시간보다 크면 제2직경의 디스크가 장착된 것으로 판별하는 과정을 포함함을 특징으로 한다.Disc discrimination method according to the invention comprises the steps of performing a rotating servo while rotating the mounted disk; Counting the time required for the disk to begin to rotate and reach a specified speed in the rotation servo process; And comparing the counted time with a threshold time at which the disk of the first diameter reaches the normal speed, and if the counted time is less than the threshold time, determine that the disk of the first diameter is loaded, and the counted time is critical. If greater than time, characterized in that it comprises the step of determining that the disk of the second diameter is mounted.

본 발명에 따른 디스크 판별방법은 회전서보와 더불어 디스크 판별을 동시에 수행하여 디스크판별만을 위한 시간낭비가 없어짐으로써 디스크가 장착된 후 재생될 때까지의 대기시간을 단축시킬 수 있다는 효과가 있다.The disc discrimination method according to the present invention has an effect of reducing the waiting time until the disc is played after the disc is mounted by eliminating the time for disc discrimination by simultaneously performing disc discrimination together with the rotating servo.

Description

디스크 판별방법 및 장치Disc determination method and device

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

제3도는 본 발명에 따른 디스크 판별방법의 일 실시예를 보이는 흐름도이다.3 is a flowchart showing an embodiment of a disc discrimination method according to the present invention.

제4도는 본 발명에 따른 디스크 판별장치의 일 실시예를 보이는 블럭도이다.4 is a block diagram showing an embodiment of a disc discrimination apparatus according to the present invention.

Claims (2)

제1의 직경을 갖는 디스크 및 이보다 큰 제2의 직경을 갖는 디스크를 재생하는 디스크재생장치에 장착된 디스크의 종류를 판별하는 방법에 있어서, 장착된 디스크를 회전시키며 회전서보를 수행하는 과정; 상기 회전서보과정에서 디스크가 회전하기 시작하여 규정속도에 도달할 때까지의 소요시간을 계수하는 과정; 및 상기 계수된 시간을 제1직경의 디스크가 규정의 정상속도에 이르는 한계시간과 비교하고, 계수된 시간이 한계시간보다 작으면 제1직경의 디스크가 장착된 것으로 판별하고, 계수된 시간이 임계시간보다 크면 제2직경의 디스크가 장착된 것으로 판별하는 과정을 포함하는 디스크 판별방법.CLAIMS 1. A method for determining the type of a disc mounted in a disc reproducing apparatus for reproducing a disc having a first diameter and a disc having a larger second diameter, the method comprising: performing a rotation servo while rotating the mounted disc; Counting the time required for the disk to begin to rotate and reach a specified speed in the rotation servo process; And comparing the counted time with a threshold time at which the disk of the first diameter reaches the normal speed, and if the counted time is less than the threshold time, determine that the disk of the first diameter is loaded, and the counted time is critical. If greater than the time disk discrimination method comprising the step of determining that the disk of the second diameter is mounted. 제1의 직경을 갖는 디스크 및 이보다 큰 제2의 직경을 갖는 디스크를 재생하는 디스크재생장치에 있어서, 장착된 디스크를 회전시키는 스핀들모터; 상기 디스크에 광신호를 조사하고, 그로부터 반사되는 광신호에 상응하는 재생신호를 발생하는 픽업장치; 상기 픽업장치로부터 출력되는 재생신호를 분석하여 클럭신호를 재생하고, 이를 기준클럭신호와 비교하여, 비교결과에 따라 상기 스핀들모터의 회전속도를 제어하여 상기 디스크의 회전속도를 규정의 회전속도로 유지시키는 회전서보부; 상기 디스크가 규정의 회전속도에 이르기까지의 경과시간을 계수하는 계수부; 그리고 상기 계수부에 의해 계수된 시간을 제1직경의 디스크가 규정의 정상속도에 이르는 한계시간과 비교하고, 계수된 시간이 한계시간보다 작으면 제1직경의 디스크가 장착된 것으로 판별하고, 계수된 시간이 한계시간보다 작지 않으면 제2직경의 디스크가 장착된 것으로 판별하는 디스크판별부를 포함하는 디스크 판별장치.A disc reproducing apparatus for reproducing a disc having a first diameter and a disc having a larger second diameter, the disc reproducing apparatus comprising: a spindle motor for rotating a mounted disc; A pickup device for irradiating an optical signal to the disk and generating a reproduction signal corresponding to the optical signal reflected therefrom; Analyze the reproduction signal output from the pickup device to reproduce the clock signal, compare it with a reference clock signal, and control the rotational speed of the spindle motor according to the comparison result to maintain the rotational speed of the disk at the prescribed rotational speed Rotating servo portion to make; A counting unit for counting an elapsed time until the disk reaches a prescribed rotational speed; And the time counted by the said counting part is compared with the limit time which the disk of a 1st diameter reaches the normal speed of a prescribed | regulated, and if the counted time is less than a limit time, it determines with the disc of a 1st diameter being mounted, And a disc discrimination unit for discriminating that the disc of the second diameter is mounted when the set time is not less than the limit time. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019940013006A 1994-06-09 1994-06-09 Disk discriminator KR0155761B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019940013006A KR0155761B1 (en) 1994-06-09 1994-06-09 Disk discriminator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019940013006A KR0155761B1 (en) 1994-06-09 1994-06-09 Disk discriminator

Publications (2)

Publication Number Publication Date
KR960002268A true KR960002268A (en) 1996-01-26
KR0155761B1 KR0155761B1 (en) 1998-12-15

Family

ID=19385009

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019940013006A KR0155761B1 (en) 1994-06-09 1994-06-09 Disk discriminator

Country Status (1)

Country Link
KR (1) KR0155761B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100520599B1 (en) * 1997-05-30 2006-01-27 마츠시타 덴끼 산교 가부시키가이샤 An optical disk apparatus
KR20230015040A (en) * 2021-07-22 2023-01-31 주식회사 이산 Device for the Risk Management of Wastewater Treatment Plant and Method for the Risk Management of Wastewater Treatment Plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100520599B1 (en) * 1997-05-30 2006-01-27 마츠시타 덴끼 산교 가부시키가이샤 An optical disk apparatus
KR20230015040A (en) * 2021-07-22 2023-01-31 주식회사 이산 Device for the Risk Management of Wastewater Treatment Plant and Method for the Risk Management of Wastewater Treatment Plant

Also Published As

Publication number Publication date
KR0155761B1 (en) 1998-12-15

Similar Documents

Publication Publication Date Title
KR970060152A (en) Method and apparatus for disc discrimination in optical disc system
KR970060080A (en) A method and apparatus for automatically discriminating between disks having different thicknesses in an optical disk system
JP3127987B2 (en) Optical disc discriminating apparatus and method
JPH076568A (en) Device for sound recording audio signal
KR960043461A (en) Spindle motor gain control method in cdrom drive and its device
US4928044A (en) Spindle motor stop control device
KR960002268A (en) Disc determination method and device
EP0630020A1 (en) Audio signal recording apparatus with a track number signal generating function
KR950030101A (en) How to set the initial position of the pickup device
US5448549A (en) Process for stopping a rotating disc-shaped record medium
JP3801621B2 (en) How to shorten access time
JPH1139785A (en) Mass eccentric disk detecting method for disk player
KR0173772B1 (en) Servo control method for high speed data access of optical disk reproduction
KR970006185B1 (en) Disk discrimination method optical disc reproducing device
KR960005481A (en) Focusing Servo Device for Optical Disc
JPH0337861A (en) Disk discriminating method
KR100340796B1 (en) CD DA omitted
JPH04328363A (en) Rotation stopping device for player
JP3523913B2 (en) Track linear velocity detecting method in optical disk reproducing apparatus
KR940016141A (en) Disc brake device and method of multi disc player
KR100306029B1 (en) Optical discs capable of true discrimination and methods of making and discrimining them
JPH0822676A (en) Disk reproducing device
KR970050973A (en) Early entry into normal speed of multi CD
KR930008747A (en) LDP disk recognition method
KR960005547A (en) Apparatus and method for discriminating graphic disks and audio disks

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
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20080627

Year of fee payment: 11

LAPS Lapse due to unpaid annual fee