DE69613096D1 - Lese-/schreib- verhinderungsschema für eine plattendiskette und -einheit - Google Patents

Lese-/schreib- verhinderungsschema für eine plattendiskette und -einheit

Info

Publication number
DE69613096D1
DE69613096D1 DE69613096T DE69613096T DE69613096D1 DE 69613096 D1 DE69613096 D1 DE 69613096D1 DE 69613096 T DE69613096 T DE 69613096T DE 69613096 T DE69613096 T DE 69613096T DE 69613096 D1 DE69613096 D1 DE 69613096D1
Authority
DE
Germany
Prior art keywords
read
unit
prevention scheme
write prevention
disk disc
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 - Fee Related
Application number
DE69613096T
Other languages
English (en)
Other versions
DE69613096T2 (de
Inventor
G Braithwaite
C Bruderer
M Allen
A Thompson
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.)
Iomega Corp
Original Assignee
Iomega 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23592335&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69613096(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Iomega Corp filed Critical Iomega Corp
Application granted granted Critical
Publication of DE69613096D1 publication Critical patent/DE69613096D1/de
Publication of DE69613096T2 publication Critical patent/DE69613096T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
    • G11B20/00152—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a password
    • 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
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00695—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are read from the recording medium
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00681—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access
    • G11B20/00702—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which prevent a specific kind of data access said measures preventing that data are recorded on the recording medium
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00731—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction
    • G11B20/00746—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number
    • G11B20/00753—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags
    • G11B20/00768—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a digital rights management system for enforcing a usage restriction wherein the usage restriction can be expressed as a specific number wherein the usage restriction limits the number of copies that can be made, e.g. CGMS, SCMS, or CCI flags wherein copy control information is used, e.g. for indicating whether a content may be copied freely, no more, once, or never, by setting CGMS, SCMS, or CCI flags
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
    • G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
    • G11B23/288—Protecting disks from being written or overwritten
DE69613096T 1995-03-10 1996-03-01 Lese-/schreib- verhinderungsschema für eine plattendiskette und -einheit Expired - Fee Related DE69613096T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/402,540 US5644444A (en) 1995-03-10 1995-03-10 Read/write protect scheme for a disk cartridge and drive
PCT/US1996/002766 WO1996028820A1 (en) 1995-03-10 1996-03-01 Read/write protect scheme for a disk cartridge and drive

Publications (2)

Publication Number Publication Date
DE69613096D1 true DE69613096D1 (de) 2001-07-05
DE69613096T2 DE69613096T2 (de) 2002-05-16

Family

ID=23592335

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69613096T Expired - Fee Related DE69613096T2 (de) 1995-03-10 1996-03-01 Lese-/schreib- verhinderungsschema für eine plattendiskette und -einheit
DE0789908T Pending DE789908T1 (de) 1995-03-10 1996-03-01 Lese/schreibe verhinderungsschema für eine plattendiskette und -einh eit

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE0789908T Pending DE789908T1 (de) 1995-03-10 1996-03-01 Lese/schreibe verhinderungsschema für eine plattendiskette und -einh eit

Country Status (6)

Country Link
US (3) US5644444A (de)
EP (2) EP0789908B1 (de)
JP (1) JPH10504420A (de)
CA (1) CA2211590C (de)
DE (2) DE69613096T2 (de)
WO (1) WO1996028820A1 (de)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MY127916A (en) 1994-12-22 2006-12-29 Sony Corp Recording medium for protecting copyrighted data
US6490113B2 (en) 1994-12-22 2002-12-03 Sony Corporation Recording medium and apparatus for protecting copyrighted digital data
US5644444A (en) * 1995-03-10 1997-07-01 Iomega Corporation Read/write protect scheme for a disk cartridge and drive
US6724554B1 (en) 1995-03-10 2004-04-20 Iomega Corporation Read/write protect scheme for a disk cartridge and drive
MY112755A (en) * 1995-06-06 2001-08-30 Sony Corp Information data reproducing system, reproducing apparatus, reproducing method, data forming apparatus and data record medium
JPH0964770A (ja) * 1995-08-18 1997-03-07 Matsushita Electric Ind Co Ltd 地上放送及び衛星放送一体チューナ
US6430363B2 (en) 1995-09-11 2002-08-06 Matsushita Electric Industrial Co., Ltd. Video signal recording and reproducing apparatus
JPH1049986A (ja) * 1996-08-05 1998-02-20 Sony Corp 記録媒体、記録又は再生装置、記録又は再生方法
US6747930B1 (en) 1996-12-24 2004-06-08 Hide & Seek Technologies, Inc. Data protection on an optical disk
BE1011053A3 (fr) * 1997-03-21 1999-04-06 Wang Wei Dong Procede de securite pour le controle d'acces au disque d'une disquette double face/quadruple densite.
US6072666A (en) 1997-05-30 2000-06-06 Iomega Corporation Head retraction system for retracting the heads of a disk drive
JP3045410U (ja) * 1997-07-17 1998-02-03 船井テクノシステム株式会社 ディスクドライブ装置
JPH11161552A (ja) * 1997-11-28 1999-06-18 Fujitsu Ltd 可換記憶媒体のデータ保護方法及び、これを適用した記憶装置
JP3454700B2 (ja) * 1998-01-20 2003-10-06 富士通株式会社 情報記憶装置及びその制御方法
EP1211681B1 (de) 1998-01-20 2007-02-14 Fujitsu Limited Datenspeicheranordnung und Steuerverfahren dafür
KR100601598B1 (ko) * 1998-06-15 2006-07-14 삼성전자주식회사 기록 방지 정보를 저장하는 기록 매체와 기록 방지 방법
US6765853B1 (en) * 1998-06-15 2004-07-20 Samsung Electronics Co., Ltd. Recording medium for storing write protection information and write protection method thereof
EP1306841A3 (de) 1998-06-15 2007-05-23 Samsung Electronics Co., Ltd. Aufzeichnungsmedium zur Speicherung von Schreibschutzinformationen und Schreibschutzverfahren dazu
US6259575B1 (en) * 1998-07-01 2001-07-10 Iomega Corporation Readable indelible mark on storage media
CA2244626A1 (en) * 1998-07-31 2000-01-31 Kom Inc. A hardware and software system
US7536524B2 (en) * 1998-07-31 2009-05-19 Kom Networks Inc. Method and system for providing restricted access to a storage medium
US9361243B2 (en) 1998-07-31 2016-06-07 Kom Networks Inc. Method and system for providing restricted access to a storage medium
US8234477B2 (en) 1998-07-31 2012-07-31 Kom Networks, Inc. Method and system for providing restricted access to a storage medium
AU6082799A (en) * 1998-10-05 2000-04-26 Koninklijke Philips Electronics N.V. System for copy protection of recorded information
US6583945B1 (en) * 1998-10-30 2003-06-24 Iomega Corporation Method for irreversibly write-securing a magnetic storage cartridge
US6459544B1 (en) 1998-11-20 2002-10-01 Bruce M. Harper Removable cartridge for data-storage medium
JP2000222863A (ja) * 1999-01-28 2000-08-11 Pioneer Electronic Corp 記録媒体及び記録再生装置
US6560192B1 (en) * 1999-03-19 2003-05-06 Terastor Corporation Method and apparatus for dampening disk vibrations
AU3326700A (en) * 1999-03-23 2000-10-09 Matsushita Electric Industrial Co., Ltd. Rewritable multilayer disk and information recording / reproducing device
JP3758886B2 (ja) 1999-03-30 2006-03-22 富士通株式会社 データ処理装置及びそのアクセス制御方法
US6330210B1 (en) * 1999-04-29 2001-12-11 Hewlett-Packard Company Data structure for control information on rewriteable data storage media
US6580683B1 (en) 1999-06-23 2003-06-17 Dataplay, Inc. Optical recording medium having a master data area and a writeable data area
US7227817B1 (en) 1999-12-07 2007-06-05 Dphi Acquisitions, Inc. Low profile optical head
US6104048A (en) * 1999-06-30 2000-08-15 Iomega Corporation Electrostatic discharge protection for magneto-resistive heads
JP2001023301A (ja) 1999-07-09 2001-01-26 Fujitsu Ltd 記憶装置、記録媒体のアクセス制御装置および記録媒体のアクセス制御方法
JP2001023300A (ja) 1999-07-09 2001-01-26 Fujitsu Ltd 記憶装置、記録媒体のアクセス制御装置および記録媒体のアクセス制御方法
DE19937060A1 (de) * 1999-08-05 2001-02-15 Siemens Pc Systeme Gmbh & Co K Verfahren zum Schutz einer peripheren Datenträgervorrichtung, periphere Datenträgervorrichtung und Computersystem mit peripherer Datenträgervorrichtung
US6631359B1 (en) 1999-09-10 2003-10-07 Dphi Acquisitions, Inc. Writeable medium access control using a medium writeable area
US7191153B1 (en) 1999-09-10 2007-03-13 Dphi Acquisitions, Inc. Content distribution method and apparatus
US7225809B1 (en) * 1999-11-01 2007-06-05 Ric Investments, Llc Method and apparatus for monitoring and controlling a medical device
US8230190B1 (en) 1999-11-22 2012-07-24 Seagate Technology Llc Storage device with built-in data security system
NL1014274C2 (nl) * 2000-02-03 2001-08-16 Tele Atlas Bv Stelsel voor het beveiligen van op een datadrager aanwezige data.
JP2001312374A (ja) * 2000-04-28 2001-11-09 Fujitsu Ltd 記憶装置及びアクセス制御方法
US6598135B1 (en) * 2000-05-03 2003-07-22 Plasmon Ide System and method for defining rewriteable data storage media as write once data storage media
US6393539B1 (en) * 2000-05-04 2002-05-21 Dell Products, L.P. System and method for reliably assigning and protecting data in a centralizes storage system
US6738879B2 (en) * 2000-05-22 2004-05-18 Seagate Technology Llc Advanced technology attachment compatible disc drive write protection scheme
US6717764B2 (en) 2000-06-02 2004-04-06 Seagate Technology Llc Method and apparatus for head fly height measurement
WO2002002301A1 (en) 2000-06-30 2002-01-10 Verification Technologies Inc. Copy-protected optical media and method of manufacture thereof
US6638593B2 (en) 2000-06-30 2003-10-28 Verification Technologies, Inc. Copy-protected optical media and method of manufacture thereof
US20050063256A1 (en) * 2000-06-30 2005-03-24 Selinfreund Richard H. Data storage in optical discs
US8635410B1 (en) 2000-07-20 2014-01-21 Silicon Graphics International, Corp. System and method for removing data from processor caches in a distributed multi-processor computer system
JP3998405B2 (ja) * 2000-07-28 2007-10-24 富士通株式会社 アクセス制御方法及びこれを用いる記憶装置
US7660415B2 (en) 2000-08-03 2010-02-09 Selinfreund Richard H Method and apparatus for controlling access to storage media
US7539828B2 (en) * 2000-08-08 2009-05-26 Faronics Corporation Method and system for automatically preserving persistent storage
GB2369202B (en) * 2000-08-31 2003-03-19 Sun Microsystems Inc Computer system and method of operating a computer system
JP4770012B2 (ja) * 2000-10-06 2011-09-07 ソニー株式会社 メモリ装置
US7036020B2 (en) * 2001-07-25 2006-04-25 Antique Books, Inc Methods and systems for promoting security in a computer system employing attached storage devices
US7925894B2 (en) * 2001-07-25 2011-04-12 Seagate Technology Llc System and method for delivering versatile security, digital rights management, and privacy services
US7865440B2 (en) * 2001-10-11 2011-01-04 International Business Machines Corporation Method, system, and program for securely providing keys to encode and decode data in a storage cartridge
US7003111B2 (en) * 2001-10-11 2006-02-21 International Business Machines Corporation Method, system, and program, for encoding and decoding input data
US6904495B2 (en) * 2002-01-10 2005-06-07 Hewlett-Packard Development Company, L.P. Method for identifying the write protect status of a diskette
US6739515B1 (en) 2002-05-09 2004-05-25 Sandisk Corporation Low-cost write protect tab for a non-volatile memory device
EP1504320A4 (de) * 2002-05-09 2007-07-04 Kestrel Wireless Inc Verfahren und system zur ermöglichung elektronischer transaktionen über ein persönliches gerät
JP2004220756A (ja) * 2002-12-27 2004-08-05 Konica Minolta Holdings Inc データ記録プログラム及び情報記録媒体並びにデータ記録端末、データ記録システム、データ記録方法
CA2530368A1 (en) * 2003-06-23 2005-01-06 Kestrel Wireless, Inc. Method and apparatus for activating optical media
JP2005063483A (ja) * 2003-08-12 2005-03-10 Pioneer Electronic Corp 情報記録再生装置、情報記録再生方法及び情報記録再生プログラム
US7213118B2 (en) * 2003-09-29 2007-05-01 International Business Machines Corporation Security in an automated data storage library
US7224545B2 (en) * 2004-04-15 2007-05-29 Quantum Corporation Methods and systems for overwrite protected storage media
US20060002246A1 (en) * 2004-06-30 2006-01-05 International Business Machines Corporation Sector-based worm implementation on random access memory
US20060095385A1 (en) * 2004-10-26 2006-05-04 Paul Atkinson Method and network for selectively controlling the utility a target
KR20070111453A (ko) * 2004-12-07 2007-11-21 케스트럴 와이어리스 인코포레이티드 타깃의 유틸리티를 선택적으로 제어하는 장치 및 그 방법
US20070194945A1 (en) * 2004-12-07 2007-08-23 Paul Atkinson Mobile Device for Selectively Activating a Target and Method of Using Same
US20060192653A1 (en) * 2005-02-18 2006-08-31 Paul Atkinson Device and method for selectively controlling the utility of an integrated circuit device
KR20080033320A (ko) * 2005-06-30 2008-04-16 코닌클리케 필립스 일렉트로닉스 엔.브이. 분실된 데이터에 대한 하이 레벨의 중복성 및 허용오차를갖는 카트리지 없는 소형 광 디스크
US20070228179A1 (en) * 2005-07-06 2007-10-04 Paul Atkinson System and Method for Loading an Embedded Device to Authenticate and Secure Transactions
WO2007008916A2 (en) * 2005-07-11 2007-01-18 Kestrel Wireless Inc. A radio frequency activated integrated circuit and method of disabling the same
US20070013603A1 (en) * 2005-07-13 2007-01-18 Paul Atkinson Antenna devices and processes for improved rf communication with target devices
US20070140072A1 (en) * 2005-07-29 2007-06-21 Anoop Agrawal Electro-Optic Device and Process for Optical Media
WO2007047841A2 (en) * 2005-10-18 2007-04-26 Kestrel Wireless Inc. Activation confirmation feedback circuits and methods
US7685389B2 (en) * 2005-10-21 2010-03-23 International Business Machines Corporation Apparatus, system, and method for setting protection states of protected partitions in storage media
WO2007085016A2 (en) * 2006-01-20 2007-07-26 Kestrel Wireless Inc. Optical media with reduced areal-sized optical shutters
US8028166B2 (en) * 2006-04-25 2011-09-27 Seagate Technology Llc Versatile secure and non-secure messaging
US8429724B2 (en) 2006-04-25 2013-04-23 Seagate Technology Llc Versatile access control system
US7539890B2 (en) * 2006-04-25 2009-05-26 Seagate Technology Llc Hybrid computer security clock
US20080046114A1 (en) * 2006-08-15 2008-02-21 White Charles A System, packaging, and method for distributing products
US20080046997A1 (en) * 2006-08-21 2008-02-21 Guardtec Industries, Llc Data safe box enforced by a storage device controller on a per-region basis for improved computer security
US20080127348A1 (en) * 2006-08-31 2008-05-29 Kenneth Largman Network computer system and method using thin user client and virtual machine to provide immunity to hacking, viruses and spy ware
US8085501B2 (en) 2008-01-29 2011-12-27 Imation Corp. Reader including an interposer that prevents coupling with write-protected data cartridges
US20100042782A1 (en) * 2008-08-18 2010-02-18 Amiram Grynberg Secure Portable File Storage Device
US8590060B2 (en) 2010-10-08 2013-11-19 Tandberg Data Holdings S.A.R.L. Virtual removable disk device for removable storage media
US10782893B2 (en) * 2017-02-22 2020-09-22 International Business Machines Corporation Inhibiting tracks within a volume of a storage system

Family Cites Families (84)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3828327A (en) * 1973-04-30 1974-08-06 Ibm Simplified storage protection and address translation under system mode control in a data processing system
US3890601A (en) * 1974-03-11 1975-06-17 Philco Ford Corp Password operated system for preventing unauthorized or accidental computer memory alteration
DE2838063A1 (de) * 1978-08-31 1980-03-13 Siemens Ag Textbearbeitungseinrichtung
JPS6343643Y2 (de) * 1980-12-16 1988-11-14
US4593353A (en) * 1981-10-26 1986-06-03 Telecommunications Associates, Inc. Software protection method and apparatus
US4458315A (en) * 1982-02-25 1984-07-03 Penta, Inc. Apparatus and method for preventing unauthorized use of computer programs
US4462076A (en) * 1982-06-04 1984-07-24 Smith Engineering Video game cartridge recognition and security system
US4785361A (en) * 1982-11-08 1988-11-15 Vault Corporation Method and apparatus for frustrating the unauthorized copying of recorded data
US4680731A (en) * 1983-03-17 1987-07-14 Romox Incorporated Reprogrammable cartridge memory with built-in identification circuitry and programming method
JPS59175064A (ja) * 1983-03-23 1984-10-03 Mitsubishi Electric Corp 磁気デイスク制御方式
US4734796A (en) * 1983-04-14 1988-03-29 Amiram Grynberg Technique for preventing unauthorized copying of information recorded on a recording medium and a protected recording medium
JPS60107155A (ja) * 1983-11-16 1985-06-12 Hitachi Ltd 記憶ボリユ−ムのデ−タ保護方式
US4740890A (en) * 1983-12-22 1988-04-26 Software Concepts, Inc. Software protection system with trial period usage code and unlimited use unlocking code both recorded on program storage media
US4577289A (en) * 1983-12-30 1986-03-18 International Business Machines Corporation Hardware key-on-disk system for copy-protecting magnetic storage media
US4606016A (en) * 1984-02-08 1986-08-12 Optical Storage International Write protection and data detection using differential detector
JPS60189531A (ja) * 1984-03-09 1985-09-27 Fujitsu Ltd デ−タ保護処理方式
US4748561A (en) * 1984-05-14 1988-05-31 Mark Brown Method of protecting computer software
JPS60246451A (ja) * 1984-05-22 1985-12-06 Sharp Corp 小型情報処理装置
US4823210A (en) * 1984-08-13 1989-04-18 Verbatim Corporation Copy protected disk
US4644493A (en) * 1984-09-14 1987-02-17 International Business Machines Corporation Implementing a shared higher level of privilege on personal computers for copy protection of software
DE3512785A1 (de) * 1985-04-10 1986-10-23 Telefonbau Und Normalzeit Gmbh, 6000 Frankfurt Verfahren zur zugriffssicherung
US4860128A (en) * 1985-04-24 1989-08-22 Nintendo Co., Ltd. Recordable data device having identification symbols formed thereon and cooperating data processing system having registering symbols
JPS61275948A (ja) * 1985-05-31 1986-12-06 Casio Comput Co Ltd デ−タ記憶装置
US4858036A (en) * 1986-08-04 1989-08-15 Peter Ginkel Software protection and identification system
US4980782A (en) * 1985-06-03 1990-12-25 Peter Ginkel Software protection and identification system
US4849836A (en) * 1985-06-07 1989-07-18 Software Heaven, Inc. Copy protection for computer discs
CA1270339A (en) * 1985-06-24 1990-06-12 Katsuya Nakagawa System for determining a truth of software in an information processing apparatus
US4757533A (en) * 1985-09-11 1988-07-12 Computer Security Corporation Security system for microcomputers
JPH074449B2 (ja) * 1985-10-04 1995-01-25 任天堂株式会社 ゲ−ム機用カ−トリツジとそれを用いるゲ−ム機
JPS62260244A (ja) * 1986-05-06 1987-11-12 Nintendo Co Ltd メモリカ−トリツジ
JP2771808B2 (ja) * 1986-12-27 1998-07-02 ソニー株式会社 記録媒体
JP3025502B2 (ja) * 1987-03-16 2000-03-27 日立マクセル株式会社 半導体メモリ装置
US4866769A (en) * 1987-08-05 1989-09-12 Ibm Corporation Hardware assist for protecting PC software
US5185792A (en) * 1988-02-10 1993-02-09 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus with limited digital copying
US5231546A (en) * 1988-02-10 1993-07-27 Matsushita Electric Industrial Co., Ltd. Recording and reproducing apparatus with limited digital copying
JPH01208762A (ja) * 1988-02-15 1989-08-22 Hitachi Ltd リード・ライトプロテクト制御方式
US4983816A (en) * 1988-02-24 1991-01-08 Kabushiki Kaisha Toshiba Portable electronic device
JPH01296361A (ja) * 1988-05-25 1989-11-29 Mitsubishi Electric Corp メモリカード
JPH01309120A (ja) * 1988-06-07 1989-12-13 Nec Corp 媒体保護制御方式
JP2695855B2 (ja) * 1988-08-26 1998-01-14 株式会社東芝 携帯可能電子装置
US5161256A (en) * 1988-08-26 1992-11-03 Kabushiki Kaisha Toshiba Method and system for allocating file area in memory area of ic card
US5144660A (en) * 1988-08-31 1992-09-01 Rose Anthony M Securing a computer against undesired write operations to or read operations from a mass storage device
JP2504137B2 (ja) * 1988-09-27 1996-06-05 日本電気株式会社 メモリ書き込みプロテクト回路
US4984272A (en) * 1988-11-30 1991-01-08 At&T Bell Laboratories Secure file handling in a computer operating system
JPH0292887U (de) * 1988-12-29 1990-07-24
FI99250C (fi) * 1989-01-10 1997-12-29 Nintendo Co Ltd Järjestelmä ulkoisen muistin luvattoman käytön estämiseksi
US5184830A (en) * 1989-01-10 1993-02-09 Nintendo Company Limited Compact hand-held video game system
US4959860A (en) * 1989-02-07 1990-09-25 Compaq Computer Corporation Power-on password functions for computer system
US4942606A (en) * 1989-02-07 1990-07-17 Compaq Computer Corporation Computer with improved keyboard password functions
JPH02251880A (ja) * 1989-03-25 1990-10-09 Fujitsu Ltd パスワードセキユリテイ方式
JP2770394B2 (ja) * 1989-04-06 1998-07-02 ソニー株式会社 ディスクカートリッジ
US5144659A (en) * 1989-04-19 1992-09-01 Richard P. Jones Computer file protection system
GB2230881A (en) * 1989-04-28 1990-10-31 Christopher William Cowsley Data storage protection
JPH02293930A (ja) * 1989-05-08 1990-12-05 Victor Co Of Japan Ltd 記録媒体の記録内容の盗用防止方式
CA2055606A1 (en) * 1989-07-10 1991-01-11 Gilbert W. Morrison Layered protection system for computer's hard disk
JP3273781B2 (ja) * 1989-09-21 2002-04-15 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴイ 記録担体及び記録担体を得る方法及び装置及び複写防止手段を持つ情報記録装置
DE69026571T2 (de) * 1989-10-25 1996-09-12 Hewlett Packard Co System mit einer multifunktionalen Platte und derselben Antrieb
US5233576A (en) * 1989-10-25 1993-08-03 Hewlett-Packard Company Multi-function optical disk drive and media
SG46177A1 (en) * 1989-12-13 1998-02-20 Ibm Computer system security device
JP2751533B2 (ja) * 1990-02-26 1998-05-18 ソニー株式会社 記録制御装置
JP2560124B2 (ja) * 1990-03-16 1996-12-04 株式会社セガ・エンタープライゼス ビデオゲームシステム及び情報処理装置
EP0449242A3 (en) * 1990-03-28 1992-10-28 National Semiconductor Corporation Method and structure for providing computer security and virus prevention
US5033084A (en) * 1990-04-02 1991-07-16 Data I/O Corporation Method and apparatus for protection of software in an electronic system
US5027396A (en) * 1990-05-07 1991-06-25 Xerox Corporation Execution protection for floppy disks
US5012514A (en) * 1990-06-26 1991-04-30 Paul Renton Hard drive security system
US5265230A (en) * 1990-08-29 1993-11-23 Hewlett-Packard Company Method and apparatus for determining sector status in a data storage device by writing a status of read-only, writable, or obliterated in an error recovery area of each sector
US5132954A (en) * 1990-09-24 1992-07-21 International Business Machines Corporation Controls for optical disk relating to accessing and utilization of such disk
JPH04274058A (ja) * 1991-02-28 1992-09-30 Olympus Optical Co Ltd 情報記録再生装置
US5434562A (en) * 1991-09-06 1995-07-18 Reardon; David C. Method for limiting computer access to peripheral devices
US5375243A (en) * 1991-10-07 1994-12-20 Compaq Computer Corporation Hard disk password security system
US5369532A (en) * 1991-11-12 1994-11-29 Storage Technology Corporation Method and apparatus for managing data on rewritable media to define read/write operational status
JP2942837B2 (ja) * 1992-01-31 1999-08-30 株式会社セガ・エンタープライゼス セキュリティチェック方法及びゲーム装置並びにそれらに用いられる情報記憶媒体
US5388156A (en) * 1992-02-26 1995-02-07 International Business Machines Corp. Personal computer system with security features and method
US5418852A (en) * 1992-03-18 1995-05-23 Fujitsu Limited Unauthorized use prevention method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus
US5282247A (en) * 1992-11-12 1994-01-25 Maxtor Corporation Apparatus and method for providing data security in a computer system having removable memory
US5267311A (en) * 1992-12-08 1993-11-30 Bakhoum Ezzat G Intelligent diskette for software protection
CA2091501C (en) * 1993-03-11 2001-04-24 Thomas E. Elliott Hardware protection control for computer storage devices
CA2101123C (en) * 1993-07-22 1997-12-30 Kok-Wah Yeow Absolute static lock of files and directories on magnetic disk storage media in single machine personal microcomputers
US5454039A (en) * 1993-12-06 1995-09-26 International Business Machines Corporation Software-efficient pseudorandom function and the use thereof for encryption
AU1265195A (en) * 1993-12-06 1995-06-27 Telequip Corporation Secure computer memory card
US5535188A (en) * 1994-10-03 1996-07-09 International Business Machines Corporation Data security protection for information recorded on a rewritable storage medium using a write-once read-many storage medium
US5854719A (en) * 1994-10-18 1998-12-29 Iomega Corporation Methods and apparatus for detecting whether a removable cartridge disk drive is empty
US5682475A (en) * 1994-12-30 1997-10-28 International Business Machines Corporation Method and system for variable password access
US5644444A (en) * 1995-03-10 1997-07-01 Iomega Corporation Read/write protect scheme for a disk cartridge and drive

Also Published As

Publication number Publication date
CA2211590A1 (en) 1996-09-19
WO1996028820A1 (en) 1996-09-19
US6104561A (en) 2000-08-15
EP0789908A4 (de) 1997-09-24
US5949601A (en) 1999-09-07
EP1132910A3 (de) 2003-01-29
DE69613096T2 (de) 2002-05-16
CA2211590C (en) 2000-10-31
EP0789908B1 (de) 2001-05-30
DE789908T1 (de) 1998-02-19
US5644444A (en) 1997-07-01
JPH10504420A (ja) 1998-04-28
EP1132910A2 (de) 2001-09-12
EP0789908A1 (de) 1997-08-20

Similar Documents

Publication Publication Date Title
DE69613096T2 (de) Lese-/schreib- verhinderungsschema für eine plattendiskette und -einheit
DE69222235D1 (de) Informationsaufzeichnungsplatte und Wiedergabegerät dafür
DE69632894D1 (de) Informationsaufzeichnungsmedium und -wiedergabegerät
DE69616885D1 (de) Optisches Aufzeichnungsmedium und optisches Informationsaufzeichnungs-/-wiedergabegerät
DE69424605D1 (de) Plattenaufzeichnungs-/wiedergabevorrichtung
EP0818784A4 (de) Informationsaufzeichnungsplatte
DE69518951T2 (de) Aufzeichnungs- und/oder Wiedergabegerät für ein Aufzeichnungsmedium
DE69418384D1 (de) Informationswiedergabegerät und Informationsaufzeichnungsmedium
DE69516484D1 (de) Informationsaufzeichnungs- und/oder -wiedergabegerät
DE69428137D1 (de) Plattenaufzeichnungs- und/oder -wiedergabegerät
DE69612778D1 (de) Integrierten Datenaufzeichnungsplatte und Plattenantrieb
DE69527481D1 (de) Einheit zum Aufzeichnen und Wiedergeben von optischer Information
DE69422534T2 (de) Informationsspeicherplatte und Datenaufnahme-/Wiedergabegerät
DE69319633T2 (de) Schreib-/Lese-Plattenspeicher
DE69423741D1 (de) Aufzeichnungs- und/oder Wiedergabegerät für scheibenförmiges Aufzeichnungsmedium
DE69427658D1 (de) Informations-Aufzeichnungs-/Wiedergabevorrichtung
DE69432278D1 (de) Aufzeichnungs- und/oder Wiedergabegerät für Informationen und optisches Aufzeichnungsmedium.
DE69518889D1 (de) Plattenaufzeichnungs- und/oder wiedergabegerät und plattenwechsler
DE69413660T2 (de) Plattenteller für Compact-Disc- und Mini-Disc-Spieler
DE69522523D1 (de) Plattenaufzeichnungs-/-wiedergabevorrichtung
DE69523679D1 (de) Aufnahmescheibe und Anlage zur Wiedergabe aufgenommener Information

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee