NL7705111A - MAGNETIC TAPE WITH OPTICALLY SIGNABLE MARKS AND METHOD OF MANUFACTURE OF SUCH TAPE. - Google Patents

MAGNETIC TAPE WITH OPTICALLY SIGNABLE MARKS AND METHOD OF MANUFACTURE OF SUCH TAPE.

Info

Publication number
NL7705111A
NL7705111A NL7705111A NL7705111A NL7705111A NL 7705111 A NL7705111 A NL 7705111A NL 7705111 A NL7705111 A NL 7705111A NL 7705111 A NL7705111 A NL 7705111A NL 7705111 A NL7705111 A NL 7705111A
Authority
NL
Netherlands
Prior art keywords
tape
signable
marks
optically
manufacture
Prior art date
Application number
NL7705111A
Other languages
Dutch (nl)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Priority to NL7705111A priority Critical patent/NL7705111A/en
Priority to GB1802178A priority patent/GB1595136A/en
Priority to JP5384078A priority patent/JPS53139518A/en
Priority to DE19782820140 priority patent/DE2820140A1/en
Priority to FR7813850A priority patent/FR2390800A1/en
Publication of NL7705111A publication Critical patent/NL7705111A/en

Links

Classifications

    • 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
    • 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
    • G11B23/38—Visual features other than those contained in record tracks or represented by sprocket holes the visual signals being auxiliary signals
    • G11B23/42—Marks for indexing, speed-controlling, synchronising, or timing
NL7705111A 1977-05-10 1977-05-10 MAGNETIC TAPE WITH OPTICALLY SIGNABLE MARKS AND METHOD OF MANUFACTURE OF SUCH TAPE. NL7705111A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL7705111A NL7705111A (en) 1977-05-10 1977-05-10 MAGNETIC TAPE WITH OPTICALLY SIGNABLE MARKS AND METHOD OF MANUFACTURE OF SUCH TAPE.
GB1802178A GB1595136A (en) 1977-05-10 1978-05-05 Magnetic tape having optically perceptible markers and method of manufacturing such a tape
JP5384078A JPS53139518A (en) 1977-05-10 1978-05-08 Magnetic tape and making method thereof
DE19782820140 DE2820140A1 (en) 1977-05-10 1978-05-09 MAGNETIC TAPE WITH OPTICALLY PERCEIVABLE MARKINGS AND METHOD OF MANUFACTURING SUCH A SOUND TAPE
FR7813850A FR2390800A1 (en) 1977-05-10 1978-05-10 MAGNETIC TAPE EQUIPPED WITH OPTICALLY OBSERVABLE MARKS AND PROCESS FOR THE MANUFACTURE OF SUCH TAPE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7705111A NL7705111A (en) 1977-05-10 1977-05-10 MAGNETIC TAPE WITH OPTICALLY SIGNABLE MARKS AND METHOD OF MANUFACTURE OF SUCH TAPE.

Publications (1)

Publication Number Publication Date
NL7705111A true NL7705111A (en) 1978-11-14

Family

ID=19828522

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7705111A NL7705111A (en) 1977-05-10 1977-05-10 MAGNETIC TAPE WITH OPTICALLY SIGNABLE MARKS AND METHOD OF MANUFACTURE OF SUCH TAPE.

Country Status (5)

Country Link
JP (1) JPS53139518A (en)
DE (1) DE2820140A1 (en)
FR (1) FR2390800A1 (en)
GB (1) GB1595136A (en)
NL (1) NL7705111A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT378620B (en) * 1983-08-11 1985-09-10 Heinz Seidl MAGNETOGRAM CARRIER WHOSE ORIGIN IS NON-REMARKABLY MARKED
DE3511157A1 (en) * 1985-03-27 1986-10-02 Bruno 8729 Ebelsbach Kessler DATA CARRIER TAPE WITH CONTROL STRIP AND METHOD AND DEVICE FOR THE PRODUCTION THEREOF
US4848698A (en) * 1988-06-02 1989-07-18 Newell Research Corporation Method for writing and means for reading position-indicating markers on tape
US20030054203A1 (en) 1997-10-22 2003-03-20 Quantum Corporation, A California Corporation Magnetic tape
US6084740A (en) 1997-12-01 2000-07-04 Storage Technology Corporation Optical servo system for a tape drive
US7029726B1 (en) 1999-07-27 2006-04-18 Quantum Corporation Method for forming a servo pattern on a magnetic tape
US7153366B1 (en) 1998-03-24 2006-12-26 Quantum Corporation Systems and method for forming a servo pattern on a magnetic tape
GB2335785B (en) 1998-03-24 2002-09-18 Quantum Corp Multi-channel magnetic tape system having optical tracking servo
US6741415B1 (en) 1999-02-16 2004-05-25 Quantum Corporation Method of writing servo signal on magnetic tape
EP1205913A4 (en) 1999-02-17 2002-08-14 Quantum Corp Method of writing servo signal on magnetic tape
US6961200B2 (en) 1999-07-27 2005-11-01 Quantum Corporation Optical servo track identification on tape storage media
US6558774B1 (en) 1999-08-17 2003-05-06 Quantum Corporation Multiple-layer backcoating for magnetic tape
US6940676B1 (en) 2000-06-07 2005-09-06 Quantum Corporation Triple push-pull optical tracking system
US6940681B2 (en) 2001-08-20 2005-09-06 Quantum Corporation Optical to magnetic alignment in magnetic tape system
US7023650B2 (en) 2001-11-07 2006-04-04 Quantum Corporation Optical sensor to recording head alignment
US6980390B2 (en) 2003-02-05 2005-12-27 Quantum Corporation Magnetic media with embedded optical servo tracks
US7187515B2 (en) 2003-02-05 2007-03-06 Quantum Corporation Method and system for tracking magnetic media with embedded optical servo tracks

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB635133A (en) * 1947-01-31 1950-04-05 Otto Kurt Kolb Improved magnetic sound record carrier
US3175196A (en) * 1962-03-09 1965-03-23 Lab For Electronics Inc Thermoplastic information storage system
CH499847A (en) * 1968-06-13 1970-11-30 Cie Internationale Pour La Dif Process for preparing a magnetic tape and magnetic tape resulting from the process
US3665425A (en) * 1970-03-09 1972-05-23 Energy Conversion Devices Inc Information storage systems utilizing amorphous thin films
US3636526A (en) * 1970-06-08 1972-01-18 Energy Conversion Devices Inc Information-recording system employing amorphous materials
NL7112916A (en) * 1971-09-20 1973-03-22
US3787210A (en) * 1971-09-30 1974-01-22 Ncr Laser recording technique using combustible blow-off
BE789499A (en) * 1971-09-30 1973-01-15 Siemens Ag PROCESS FOR SEQUENTIALLY RECORDING ANALOGUE DATA ON A MEMORIZATION TAPE
US3914793A (en) * 1974-04-30 1975-10-21 William W Burnham Tape recorder alignment apparatus
FR2315142A1 (en) * 1975-06-17 1977-01-14 Pyral Soc Transducer head guide system - using additional guide track associated with magnetic recording track
DE2615838C2 (en) * 1976-04-10 1985-02-07 Philips Patentverwaltung Gmbh, 2000 Hamburg Device for position control of a read / write head for data carriers with a magnetic storage layer

Also Published As

Publication number Publication date
DE2820140A1 (en) 1978-11-16
GB1595136A (en) 1981-08-05
FR2390800A1 (en) 1978-12-08
JPS53139518A (en) 1978-12-05

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Legal Events

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