JPS60239981A - 光学デイスク再生装置 - Google Patents

光学デイスク再生装置

Info

Publication number
JPS60239981A
JPS60239981A JP59096906A JP9690684A JPS60239981A JP S60239981 A JPS60239981 A JP S60239981A JP 59096906 A JP59096906 A JP 59096906A JP 9690684 A JP9690684 A JP 9690684A JP S60239981 A JPS60239981 A JP S60239981A
Authority
JP
Japan
Prior art keywords
optical
optical disc
pink
disc
recorded
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.)
Granted
Application number
JP59096906A
Other languages
English (en)
Japanese (ja)
Other versions
JPH056278B2 (enrdf_load_stackoverflow
Inventor
Yoshiaki Ukita
義敬 宇喜多
Takashi Nakatsuyama
中津山　孝
Akashi Ito
伊藤　明石
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Priority to JP59096906A priority Critical patent/JPS60239981A/ja
Priority to KR1019850003235A priority patent/KR930009642B1/ko
Publication of JPS60239981A publication Critical patent/JPS60239981A/ja
Publication of JPH056278B2 publication Critical patent/JPH056278B2/ja
Granted legal-status Critical Current

Links

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)
  • Management Or Editing Of Information On Record Carriers (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)
JP59096906A 1984-05-15 1984-05-15 光学デイスク再生装置 Granted JPS60239981A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP59096906A JPS60239981A (ja) 1984-05-15 1984-05-15 光学デイスク再生装置
KR1019850003235A KR930009642B1 (ko) 1984-05-15 1985-05-13 픽업 이동 방법 및 메카니즘

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
JPS60239981A true JPS60239981A (ja) 1985-11-28
JPH056278B2 JPH056278B2 (enrdf_load_stackoverflow) 1993-01-26

Family

ID=14177405

Family Applications (1)

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

Country Status (2)

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

Cited By (2)

* 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
JPS62214566A (ja) * 1986-03-14 1987-09-21 Pioneer Electronic Corp ディスクプレーヤにおけるサーチ方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100475085B1 (ko) * 2002-08-09 2005-03-10 삼성전자주식회사 광 디스크의 영역 판단 장치 및 방법

Cited By (2)

* 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
JPS62214566A (ja) * 1986-03-14 1987-09-21 Pioneer Electronic Corp ディスクプレーヤにおけるサーチ方法

Also Published As

Publication number Publication date
KR850008738A (ko) 1985-12-21
KR930009642B1 (ko) 1993-10-08
JPH056278B2 (enrdf_load_stackoverflow) 1993-01-26

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term