KR930009642B1 - 픽업 이동 방법 및 메카니즘 - Google Patents

픽업 이동 방법 및 메카니즘 Download PDF

Info

Publication number
KR930009642B1
KR930009642B1 KR1019850003235A KR850003235A KR930009642B1 KR 930009642 B1 KR930009642 B1 KR 930009642B1 KR 1019850003235 A KR1019850003235 A KR 1019850003235A KR 850003235 A KR850003235 A KR 850003235A KR 930009642 B1 KR930009642 B1 KR 930009642B1
Authority
KR
South Korea
Prior art keywords
pickup
track
moving
information
control information
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 - Lifetime
Application number
KR1019850003235A
Other languages
English (en)
Korean (ko)
Other versions
KR850008738A (ko
Inventor
요시따까 우끼다
다까시 나까쓰야마
아까시 이또오
Original Assignee
소니 가부시끼가이샤
오오가 노리오
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 소니 가부시끼가이샤, 오오가 노리오 filed Critical 소니 가부시끼가이샤
Publication of KR850008738A publication Critical patent/KR850008738A/ko
Application granted granted Critical
Publication of KR930009642B1 publication Critical patent/KR930009642B1/ko
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/14—Protection against unauthorised use of memory or access to memory
    • G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/606—Protecting data by securing the transmission between two devices or processes
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/60—Protecting data
    • G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
    • G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y10S707/99938—Concurrency, e.g. lock management in shared database
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S707/00—Data processing: database and file management or data structures
    • Y10S707/99931—Database or file accessing
    • Y10S707/99939—Privileged access

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Bioethics (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Moving Of Head For Track Selection And Changing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head To Find And Align With The Track (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
KR1019850003235A 1984-05-15 1985-05-13 픽업 이동 방법 및 메카니즘 Expired - Lifetime KR930009642B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP96906 1984-05-15
JP59096906A JPS60239981A (ja) 1984-05-15 1984-05-15 光学デイスク再生装置

Publications (2)

Publication Number Publication Date
KR850008738A KR850008738A (ko) 1985-12-21
KR930009642B1 true KR930009642B1 (ko) 1993-10-08

Family

ID=14177405

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019850003235A Expired - Lifetime KR930009642B1 (ko) 1984-05-15 1985-05-13 픽업 이동 방법 및 메카니즘

Country Status (2)

Country Link
JP (1) JPS60239981A (enrdf_load_stackoverflow)
KR (1) KR930009642B1 (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61144780A (ja) * 1984-12-18 1986-07-02 Fujitsu Ten Ltd 光学ディスクプレーヤ
JPH0731889B2 (ja) * 1986-03-14 1995-04-10 パイオニア株式会社 ディスクプレーヤにおけるサーチ方法
KR100475085B1 (ko) * 2002-08-09 2005-03-10 삼성전자주식회사 광 디스크의 영역 판단 장치 및 방법

Also Published As

Publication number Publication date
KR850008738A (ko) 1985-12-21
JPS60239981A (ja) 1985-11-28
JPH056278B2 (enrdf_load_stackoverflow) 1993-01-26

Similar Documents

Publication Publication Date Title
US5959280A (en) Multi-standard optical disk reading apparatus and method of reading using same
JP2635610B2 (ja) ディスク装置
KR100497687B1 (ko) 광픽업장치및광디스크기록및/또는재생장치
KR100309717B1 (ko) 광디스크판별장치
KR930009642B1 (ko) 픽업 이동 방법 및 메카니즘
KR0130474B1 (ko) 정보 재생 장치
KR950002395B1 (ko) 광정보 처리장치용 트랙억세스장치 및 그 억세스방법
DK549288A (da) Sporreguleringskreds til en optisk aftastningsanordning
US5828635A (en) Optical pickup apparatus capable of transferring objective lens in optical axial direction depending on thickness of disc for focusing respectively onto discs with different thicknesses
JPH0378178A (ja) 光ディスク及び光ディスクプレーヤ
KR100317371B1 (ko) 디스크의 관리정보 재생방법
JPH06349252A (ja) 録再型光ディスク再生装置
JP3362431B2 (ja) Ｃｄプレーヤアクセス方法
JPS6292247A (ja) 光情報の記録・再生方法
JPH0210575Y2 (enrdf_load_stackoverflow)
KR100396597B1 (ko) 광기록재생기의 서보 제어 장치 및 방법
EP0383562B1 (en) Optical information recording and/or reproducing apparatus with device for prohibiting movement of optical head
KR0144271B1 (ko) 콤팩트 디스크의 기록밀도 판별방법
JP3480959B2 (ja) 絶対位置検出方法及び光ディスク装置
US5130968A (en) Apparatus for monitoring a reading position for use in a disc player
JPS61296533A (ja) 光学的情報記録再生方式
JP2693551B2 (ja) ディスク再生装置
US20050058039A1 (en) Multi-standard optical disk and method and apparatus of reading from and recording to the disk
JPS61144780A (ja) 光学ディスクプレーヤ
JPH09120625A (ja) ディスク判定方法および判定装置

Legal Events

Date Code Title Description
PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19850513

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19900507

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19850513

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19930531

Patent event code: PE09021S01D

G160 Decision to publish patent application
PG1605 Publication of application before grant of patent

Comment text: Decision on Publication of Application

Patent event code: PG16051S01I

Patent event date: 19930915

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 19940108

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 19940125

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 19940125

End annual number: 3

Start annual number: 1

PR1001 Payment of annual fee

Payment date: 19961004

Start annual number: 4

End annual number: 4

PR1001 Payment of annual fee

Payment date: 19971006

Start annual number: 5

End annual number: 5

PR1001 Payment of annual fee

Payment date: 19971227

Start annual number: 6

End annual number: 6

PR1001 Payment of annual fee

Payment date: 19991001

Start annual number: 7

End annual number: 7

PR1001 Payment of annual fee

Payment date: 20000930

Start annual number: 8

End annual number: 8

PR1001 Payment of annual fee

Payment date: 20010914

Start annual number: 9

End annual number: 9

PR1001 Payment of annual fee

Payment date: 20020917

Start annual number: 10

End annual number: 10

PR1001 Payment of annual fee

Payment date: 20030919

Start annual number: 11

End annual number: 11

FPAY Annual fee payment

Payment date: 20040914

Year of fee payment: 12

PR1001 Payment of annual fee

Payment date: 20040914

Start annual number: 12

End annual number: 12

EXPY Expiration of term
PC1801 Expiration of term