MY115197A - Tracking error data detecting apparatus and vtr having the same apparatus - Google Patents

Tracking error data detecting apparatus and vtr having the same apparatus

Info

Publication number
MY115197A
MY115197A MYPI96002728A MYPI9602728A MY115197A MY 115197 A MY115197 A MY 115197A MY PI96002728 A MYPI96002728 A MY PI96002728A MY PI9602728 A MYPI9602728 A MY PI9602728A MY 115197 A MY115197 A MY 115197A
Authority
MY
Malaysia
Prior art keywords
signal
drum
reproduced
magnetic tape
magnetic
Prior art date
Application number
MYPI96002728A
Inventor
Naoto Hirohata
Yoshio Mizutani
Katsuyuki Shudo
Yoshio Tokuyama
Original Assignee
Victor Company Of Japan
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 Victor Company Of Japan filed Critical Victor Company Of Japan
Publication of MY115197A publication Critical patent/MY115197A/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
    • G11B5/588—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 by controlling the position of the rotating heads
    • 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
    • G11B5/008—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires
    • G11B5/00813—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

Abstract

A VIDEO TAPE RECORDER HAS A DRUM FOR WINDING A MAGNETIC TAPE THEREAROUND, A CAPSTAN MOTOR AND A DRUM MOTOR LINKED WITH THE DRUM, BOTH MOTORS FOR TRAVELING THE MAGNETIC TAPE, AND TWO ROTARY MAGNETIC HEADS ARRANGED ADJACENT TO EACH OTHER RELATIVE TO THE MAGNETIC TAPE AND HAVING TWO DIFFERENT AZIMUTH ANGLES. ONE REPRODUCED SIGNAL OF HIGHER SIGNAL LEVEL IS SELECTED FROM TWO MODULATED SIGNALS REPRODUCED BY THE TWO MAGNETIC HEADS TO OUTPUT A DETECTED REPRODUCED SIGNAL. SAMPLING SIGNALS ARE GENERATED EACH HAVING A SIGNAL LEVEL CORRESPONDING TO A SIGNAL LEVEL OF THE DETECTED REPRODUCED SIGNAL ON THE BASIS OF THE REPRODUCED SIGNAL OBTAINED BY THE SELECTED MAGNETIC HEAD, ONLY DURING A PERIOD WHILE A PREDETERMINED ONE OF THE TWO MAGNETIC HEADS IS BEING SELECTED IN RESPONSE TO A HEAD SELECT SIGNAL, AT EACH OF TIME INTERVALS OBTAINED BY DIVIDING ONE VERTICAL SCANNING PERIOD INTO A TWO OR MORE NATURAL NUMBER N. A CENTRAL AXIS OF THE DRUM IS INCLINED IN SUCH A WAY THAT THE RESPECTIVE SIGNAL LEVELS OF THE SAMPLING. SIGNALS SATISFY A PREDETERMINED RELATIVE RELATIONSHIP WITH RESPECT TO ONE ANOTHER, WHEN RECORDED SIGNAL IS REPRODUCED BY TRAVELING THE MAGNETIC TAPE AT A TRAVEL SPEED DIFFERENT FROM ANOTHER TRAVEL SPEED OF THE MAGNETIC TAPE IN RECORDING OPERATION. AND, ROTATION PHASE OF THE CAPSTAN MOTOR IS CHANGED RELATIVE TO A REFERENCE DRUM ROTATION SIGNAL OF THE DRUM MOTOR. (FIG.10A)
MYPI96002728A 1995-07-05 1996-07-03 Tracking error data detecting apparatus and vtr having the same apparatus MY115197A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19254095A JP3146935B2 (en) 1995-07-05 1995-07-05 Apparatus for detecting tracking error information in VTR

Publications (1)

Publication Number Publication Date
MY115197A true MY115197A (en) 2003-04-30

Family

ID=16292981

Family Applications (1)

Application Number Title Priority Date Filing Date
MYPI96002728A MY115197A (en) 1995-07-05 1996-07-03 Tracking error data detecting apparatus and vtr having the same apparatus

Country Status (3)

Country Link
JP (1) JP3146935B2 (en)
KR (1) KR100282315B1 (en)
MY (1) MY115197A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019102483A (en) * 2017-11-28 2019-06-24 東京エレクトロン株式会社 Etching method and etching apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2809079B2 (en) * 1993-12-06 1998-10-08 日本ビクター株式会社 Magnetic recording / reproducing device

Also Published As

Publication number Publication date
KR970008069A (en) 1997-02-24
JP3146935B2 (en) 2001-03-19
KR100282315B1 (en) 2001-03-02
JPH0923400A (en) 1997-01-21

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