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HK1003021A1 - Videorecorder with memory to store the table of contents of a plurality of magnetic cassettes - Google Patents

Videorecorder with memory to store the table of contents of a plurality of magnetic cassettes

Info

Publication number
HK1003021A1
HK1003021A1 HK98102088A HK98102088A HK1003021A1 HK 1003021 A1 HK1003021 A1 HK 1003021A1 HK 98102088 A HK98102088 A HK 98102088A HK 98102088 A HK98102088 A HK 98102088A HK 1003021 A1 HK1003021 A1 HK 1003021A1
Authority
HK
Hong Kong
Prior art keywords
memory
contents
store
videorecorder
magnetic cassettes
Prior art date
Application number
HK98102088A
Inventor
Peter Boller
Gerhard Prager
Original Assignee
Grundig Emv
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 Grundig Emv filed Critical Grundig Emv
Publication of HK1003021A1 publication Critical patent/HK1003021A1/en

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
    • G11B20/00681—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
    • 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
    • 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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/002—Programmed access in sequence to a plurality of record carriers or indexed parts, e.g. tracks, thereof, e.g. for editing
    • 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
    • G11B27/34—Indicating arrangements 
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/40—Combinations of multiple record carriers
    • G11B2220/41—Flat as opposed to hierarchical combination, e.g. library of tapes or discs, CD changer, or groups of record carriers that together store one title
    • 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
    • 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
    • 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
    • G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Automatic Tape Cassette Changers (AREA)

Abstract

The invention relates to a video recorder with a memory to store the table of contents of a plurality of magnetic-tape cassettes. According to the invention, in this memory there is stored for each program contribution an item of blocking code information which provides information on whether the associated program contribution is or is not to be freely accessible for playing back. <IMAGE>
HK98102088A 1991-03-11 1998-03-12 Videorecorder with memory to store the table of contents of a plurality of magnetic cassettes HK1003021A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4107734A DE4107734A1 (en) 1991-03-11 1991-03-11 VIDEO RECORDER WITH A MEMORY FOR STORING THE CONTENTS OF A VARIETY OF MAGNETIC TAPE CASSETTES

Publications (1)

Publication Number Publication Date
HK1003021A1 true HK1003021A1 (en) 1998-09-30

Family

ID=6426970

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98102088A HK1003021A1 (en) 1991-03-11 1998-03-12 Videorecorder with memory to store the table of contents of a plurality of magnetic cassettes

Country Status (4)

Country Link
EP (1) EP0503519B1 (en)
AT (1) ATE133511T1 (en)
DE (2) DE4107734A1 (en)
HK (1) HK1003021A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6091884A (en) 1991-08-19 2000-07-18 Index Systems, Inc. Enhancing operations of video tape cassette players
US6487362B1 (en) 1991-08-19 2002-11-26 Index Systems, Inc. Enhancing operations of video tape cassette players
JP2853727B2 (en) 1994-02-22 1999-02-03 日本ビクター株式会社 Reproduction protection method and protection reproduction device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3628743C2 (en) * 1986-08-23 1994-05-11 Grundig Emv Device for recording and quickly retrieving video signal sections on a magnetic tape
DE3834510A1 (en) * 1988-10-11 1990-04-12 Grundig Emv METHOD FOR RECORDING AND REPLAYING THE CONTENTS OF A VIDEO MAGNET TAPE CASSETTE AND VIDEO RECORDER FOR IMPLEMENTING THE METHOD
KR920003936B1 (en) * 1988-12-31 1992-05-18 삼성전자 주식회사 Unpermitted use protecting method by character generating circuit of v.c.r.
DE3935294A1 (en) * 1989-10-24 1991-04-25 Grundig Emv VIDEORECORDER WITH A DEVICE FOR STORING THE CONTENTS OF A TAPE MAGAZINE CONTAINING A VARIETY OF MAGNETIC TAPE CASSETTES
DE3935292A1 (en) * 1989-10-24 1991-04-25 Grundig Emv VIDEO RECORDER WITH A DEVICE FOR STORING THE CONTENTS OF A CASSETTE MAGAZINE CONTAINING A VARIETY OF MAGNETIC TAPE CARTRIDGES AND FOR NUMBERING THESE MAGNETIC TAPE CARTRIDGES

Also Published As

Publication number Publication date
DE4107734A1 (en) 1992-09-17
EP0503519B1 (en) 1996-01-24
EP0503519A1 (en) 1992-09-16
DE4107734C2 (en) 1993-09-02
DE59205136D1 (en) 1996-03-07
ATE133511T1 (en) 1996-02-15

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)