ZA928269B - Memory device for a magnetic tape cassette. - Google Patents

Memory device for a magnetic tape cassette.

Info

Publication number
ZA928269B
ZA928269B ZA928269A ZA928269A ZA928269B ZA 928269 B ZA928269 B ZA 928269B ZA 928269 A ZA928269 A ZA 928269A ZA 928269 A ZA928269 A ZA 928269A ZA 928269 B ZA928269 B ZA 928269B
Authority
ZA
South Africa
Prior art keywords
memory device
magnetic tape
tape cassette
cassette
magnetic
Prior art date
Application number
ZA928269A
Other languages
English (en)
Inventor
Hans-Joachim Platte
Ernst F Schroder
Original Assignee
Thomson Brandt Gmbh
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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of ZA928269B publication Critical patent/ZA928269B/xx

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
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/05—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container
    • G11B15/06—Control of operating function, e.g. switching from recording to reproducing by sensing features present on or derived from record carrier or container by sensing auxiliary features on record carriers or containers, e.g. to stop machine near the end of a tape
    • 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
    • G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
    • G11B20/00485—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier
    • G11B20/00557—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier characterised by a specific kind of data which is encrypted and recorded on and/or reproduced from the record carrier wherein further management data is encrypted, e.g. sector headers, TOC or the lead-in or lead-out areas
    • 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
    • G11B23/02—Containers; Storing means both adapted to cooperate with the recording or reproducing means
    • G11B23/04—Magazines; Cassettes for webs or filaments
    • G11B23/08—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends
    • G11B23/087—Magazines; Cassettes for webs or filaments for housing webs or filaments having two distinct ends using two different reels or cores
    • G11B23/08707—Details
    • G11B23/08714—Auxiliary features
    • 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
    • G11B23/30—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 with provision for auxiliary signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating tapes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3063—Subcodes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2525—Magneto-optical [MO] discs
    • G11B2220/2529—Mini-discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/60—Solid state media
    • G11B2220/65—Solid state media wherein solid state memory is used for storing indexing information or metadata
    • G11B2220/652—Solid state media wherein solid state memory is used for storing indexing information or metadata said memory being attached to the recording medium
    • G11B2220/655—Memory in cassette [MIC]
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Storage Device Security (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Television Signal Processing For Recording (AREA)
ZA928269A 1991-10-26 1992-10-26 Memory device for a magnetic tape cassette. ZA928269B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4135419A DE4135419A1 (de) 1991-10-26 1991-10-26 Speichereinrichtung fuer eine magnetbandkassette

Publications (1)

Publication Number Publication Date
ZA928269B true ZA928269B (en) 1993-05-05

Family

ID=6443527

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA928269A ZA928269B (en) 1991-10-26 1992-10-26 Memory device for a magnetic tape cassette.

Country Status (12)

Country Link
US (1) US6128148A (xx)
EP (1) EP0609295B1 (xx)
JP (1) JP3345006B2 (xx)
KR (1) KR100258602B1 (xx)
CN (1) CN1039949C (xx)
DE (2) DE4135419A1 (xx)
ES (1) ES2083766T3 (xx)
HK (1) HK111696A (xx)
MX (1) MX9206161A (xx)
MY (1) MY109210A (xx)
WO (1) WO1993008568A1 (xx)
ZA (1) ZA928269B (xx)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2112419C (en) * 1992-12-28 2004-04-06 Ken Iizuka Tape cassette including memory unit storing reproduction control instructions
US6570728B2 (en) 1992-12-28 2003-05-27 Sony Corporation Tape cassette including memory unit storing reproduction control instructions
US6101070A (en) * 1993-09-30 2000-08-08 Sony Corporation Method and apparatus for determining information and a cassette for use therewith
EP1968058A3 (en) * 1994-07-08 2011-12-21 Sony Corporation Receiving controlled-access broadcast signals
GB2305535A (en) * 1995-09-19 1997-04-09 Mircea Michael Colesnic Programmable video cassette with built-in memory
US7203415B2 (en) * 1996-08-12 2007-04-10 Sony Corporation Recording, reproducing, and recording/reproducing apparatuses for recording input data in a recording medium capable of non-linear access and methods therefor
US6611394B1 (en) * 1998-12-18 2003-08-26 Sony Corporation Recording medium, tape drive, and method for identifying type of recording medium
KR20000044162A (ko) * 1998-12-30 2000-07-15 전주범 디지털 비디오 홈 시스템의 데이터 기록 및 재생시 데이터 흐름제어 방법
KR20010103628A (ko) * 2000-05-08 2001-11-23 이데이 노부유끼 테이프 카세트와 정보저장장치
US6880085B1 (en) * 2000-11-01 2005-04-12 Cardiac Pacemakers, Inc. Security system for implantable medical devices
JP3767405B2 (ja) * 2001-04-09 2006-04-19 ソニー株式会社 記録媒体制御方法、記録媒体対応装置
US8117282B2 (en) 2004-10-20 2012-02-14 Clearplay, Inc. Media player configured to receive playback filters from alternative storage mediums
EP1904933A4 (en) 2005-04-18 2009-12-09 Clearplay Inc DEVICE, SYSTEM AND METHOD FOR ASSOCIATING ONE OR MORE FILTER FILES WITH A PARTICULAR MULTIMEDIA PRESENTATION
US20090097653A1 (en) 2007-10-11 2009-04-16 Ole Christian Dahlerud Encryption key stored and carried by a tape cartridge
US11107039B2 (en) 2015-02-03 2021-08-31 PEOZZLE Corporation Multimedia human resource distribution system

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE871690R (fr) * 1978-10-27 1979-02-15 Staar Sa Dispositif de memorisation de la position instantanee d'une bande magnetique contenue dans une cassette
BE885102R (fr) * 1978-10-27 1980-12-31 Staar Sa Dispositif de memorisation de la position instantanee d'une bande magnetique contenue dans une cassette
FR2461299B1 (fr) * 1979-07-09 1986-09-05 Telediffusion Fse Memoire bloc-note pour cassettes d'enregistrement de bandes magnetiques
US4644436A (en) * 1982-05-19 1987-02-17 Tokyo Shibaura Denki Kabushiki Kaisha Apparatus for determining the type and remaining capacity of a tape
US4593337A (en) * 1983-03-16 1986-06-03 Alfredo Leone Video cassette play counting, storing and reading system
JPH0743913B2 (ja) * 1985-12-28 1995-05-15 ソニー株式会社 記録再生装置
JPH0823987B2 (ja) * 1986-11-27 1996-03-06 松下電器産業株式会社 カセツトテ−プ装置
US4930158A (en) * 1987-09-02 1990-05-29 Vogel Peter S Selective video playing system
JPH01162286A (ja) * 1987-12-18 1989-06-26 Tokin Corp メモリー・カートリッジ
NL8801275A (nl) * 1988-05-18 1989-12-18 Philips Nv Optekensysteem alsmede registratiedrager en schrijfinrichting voor toepassing in het systeem.
GB8809223D0 (en) * 1988-04-19 1988-05-25 British Broadcasting Corp Cassette for sequential access recording medium & apparatus for use therewith
NL8900934A (nl) * 1989-04-14 1990-11-01 Philips Nv Inrichting voor het opnemen van een audiosignaal.
US5214556A (en) * 1989-04-14 1993-05-25 Kilbel Joseph J Video cassette recorder protection system
DE3913141A1 (de) * 1989-04-21 1990-10-25 Ullrich Heide Video-cassette mit kontaktloser steuerung des bandlaufs
DK385489D0 (da) * 1989-08-07 1989-08-07 Bang & Olufsen As Optage- og gengivesystem, navnlig videosystem, med baandkassetter
US5130864A (en) * 1989-10-11 1992-07-14 Matsushita Electric Industrial Co., Ltd. Digital recording and reproducing apparatus or digital recording apparatus
JP2940033B2 (ja) * 1989-12-07 1999-08-25 ソニー株式会社 走査軌跡評定装置
US5142579A (en) * 1991-01-29 1992-08-25 Anderson Walter M Public key cryptographic system and method

Also Published As

Publication number Publication date
US6128148A (en) 2000-10-03
JPH07500445A (ja) 1995-01-12
JP3345006B2 (ja) 2002-11-18
KR100258602B1 (ko) 2000-06-15
DE4135419A1 (de) 1993-04-29
MY109210A (en) 1996-12-31
EP0609295A1 (de) 1994-08-10
MX9206161A (es) 1993-04-01
ES2083766T3 (es) 1996-04-16
WO1993008568A1 (de) 1993-04-29
CN1039949C (zh) 1998-09-23
HK111696A (en) 1996-07-05
DE59205043D1 (de) 1996-02-22
EP0609295B1 (de) 1996-01-10
CN1072794A (zh) 1993-06-02

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