NO973146L - Record and reproduction of an information signal on / from an elongated record carrier provided with trace signals - Google Patents

Record and reproduction of an information signal on / from an elongated record carrier provided with trace signals

Info

Publication number
NO973146L
NO973146L NO973146A NO973146A NO973146L NO 973146 L NO973146 L NO 973146L NO 973146 A NO973146 A NO 973146A NO 973146 A NO973146 A NO 973146A NO 973146 L NO973146 L NO 973146L
Authority
NO
Norway
Prior art keywords
record
trace signals
information signal
reproduction
carrier provided
Prior art date
Application number
NO973146A
Other languages
Norwegian (no)
Other versions
NO973146D0 (en
Inventor
Abraham Hoogendoorn
Johannes Jozef Wilhelmus Kalfs
Original Assignee
Philips Electronics 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 Electronics Nv filed Critical Philips Electronics Nv
Publication of NO973146D0 publication Critical patent/NO973146D0/en
Publication of NO973146L publication Critical patent/NO973146L/en

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/58—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B5/584—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with provision for moving the head for the purpose of maintaining alignment of the head relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following on tapes
    • 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
    • G11B15/087—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 recorded 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
    • G11B27/19—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
    • G11B27/3009—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 a pilot signal inside the frequency band of the recorded main information signal

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)

Abstract

Fremgangsmåte og anordning for identifikasjon av innførings- og utforingsdeler til en langsgående opptegningsbærer (2), under anvendelse av merker i fonm av en modifika- sjon av sporsignaler (Sj, S2) opptegnet i spor(Ti, T2). Identifikasjonen utføres slik at frekvensen til sporsignalene forblir uendret i innførings og utføringsdelen. Slik modifi- kasjon resulterer en mulighet for å bruke sporsignalene i innførings- og utføringsdelen for å oppta et informasjonssignal selv i en del av innførings- og utføringsdelen. Modi- fikasjonen kan bli realisert ved endring av arbeidssyklusen til sporsignaler.Method and apparatus for identifying insertion and delivery portions of a longitudinal record carrier (2), using marks in the form of a modification of trace signals (Sj, S2) recorded in grooves (Ti, T2). The identification is performed so that the frequency of the trace signals remains unchanged in the input and output portion. Such modification results in an opportunity to use the trace signals in the input and output portion to record an information signal even in a portion of the input and output portion. The modification can be realized by changing the duty cycle to track signals.

NO973146A 1995-11-08 1997-07-07 Record and reproduction of an information signal on / from an elongated record carrier provided with trace signals NO973146L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP95203028 1995-11-08
PCT/IB1996/001149 WO1997017699A1 (en) 1995-11-08 1996-10-25 Recording and reproducing an information signal on/from a longitudinal record carrier provided with tracking signals

Publications (2)

Publication Number Publication Date
NO973146D0 NO973146D0 (en) 1997-07-07
NO973146L true NO973146L (en) 1997-08-29

Family

ID=8220803

Family Applications (1)

Application Number Title Priority Date Filing Date
NO973146A NO973146L (en) 1995-11-08 1997-07-07 Record and reproduction of an information signal on / from an elongated record carrier provided with trace signals

Country Status (9)

Country Link
EP (1) EP0801792A1 (en)
JP (1) JPH10512704A (en)
KR (1) KR19980701249A (en)
CN (1) CN1177414A (en)
NO (1) NO973146L (en)
TR (1) TR199700595T1 (en)
TW (1) TW340216B (en)
WO (1) WO1997017699A1 (en)
YU (1) YU59396A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3702643B2 (en) * 1997-06-09 2005-10-05 セイコーエプソン株式会社 Display device and electronic timepiece
EP1157378A1 (en) 1999-12-21 2001-11-28 Koninklijke Philips Electronics N.V. System for recording and/or reproducing information, magnetic write head and magnetic tape for use in the system
JP3933133B2 (en) * 2004-01-09 2007-06-20 ソニー株式会社 Data reproducing apparatus and data reproducing method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3742469C1 (en) * 1987-12-15 1989-05-24 Graetz Nokia Gmbh Video recorder with a device for recording an additional control signal track on a video tape
US5396376A (en) * 1992-03-23 1995-03-07 Conner Peripherals, Inc. Multi-track embedded servo recording format and method
US5452150A (en) * 1994-06-27 1995-09-19 Minnesota Mining And Manufacturing Company Data cartridge with magnetic tape markers

Also Published As

Publication number Publication date
CN1177414A (en) 1998-03-25
TW340216B (en) 1998-09-11
KR19980701249A (en) 1998-05-15
YU59396A (en) 2000-03-21
TR199700595T1 (en) 1997-11-21
NO973146D0 (en) 1997-07-07
EP0801792A1 (en) 1997-10-22
JPH10512704A (en) 1998-12-02
WO1997017699A1 (en) 1997-05-15

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application