BR0012628A - Gravador de videoteipe - Google Patents

Gravador de videoteipe

Info

Publication number
BR0012628A
BR0012628A BR0012628-4A BR0012628A BR0012628A BR 0012628 A BR0012628 A BR 0012628A BR 0012628 A BR0012628 A BR 0012628A BR 0012628 A BR0012628 A BR 0012628A
Authority
BR
Brazil
Prior art keywords
recording mode
track
video
heads
long
Prior art date
Application number
BR0012628-4A
Other languages
English (en)
Inventor
Hidehito Uemura
Masashi Omura
Junichi Sakamoto
Original Assignee
Matsushita Electric Ind Co Ltd
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
Priority claimed from JP21974799A external-priority patent/JP3233134B2/ja
Priority claimed from JP21974699A external-priority patent/JP3595205B2/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of BR0012628A publication Critical patent/BR0012628A/pt

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
    • G11B5/56—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 support for the purpose of adjusting the position of the head relative to the record carrier, e.g. manual adjustment for azimuth correction or track centering
    • 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
    • G11B5/00847—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks
    • G11B5/0086—Recording on, or reproducing or erasing from, magnetic tapes, sheets, e.g. cards, or wires magnetic tapes on transverse tracks using cyclically driven heads providing segmented tracks
    • 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
    • G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • 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
    • G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • G11B5/531—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis
    • G11B5/534—Disposition of more than one recording or reproducing head on support rotating cyclically around an axis inclined relative to the direction of movement of the tape, e.g. for helicoidal scanning
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/7824—Television signal recording using magnetic recording on tape with rotating magnetic heads
    • H04N5/7826—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape
    • H04N5/78263—Television signal recording using magnetic recording on tape with rotating magnetic heads involving helical scanning of the magnetic tape for recording on tracks inclined relative to the direction of movement of the tape
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/928—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the sound signal being pulse code modulated and recorded in time division multiplex with the modulated video signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/7921—Processing of colour television signals in connection with recording for more than one processing mode
    • 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
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • G11B15/125—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams conditioned by the operating function of the apparatus
    • 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
    • G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
    • G11B15/1808—Driving of both record carrier and head
    • G11B15/1875—Driving of both record carrier and head adaptations for special effects or editing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/78—Television signal recording using magnetic recording
    • H04N5/782—Television signal recording using magnetic recording on tape
    • H04N5/783—Adaptations for reproducing at a rate different from the recording rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

Patente de Invenção: "GRAVADOR DE VIDEOTEIPE". A fim de não apenas obter excelente qualidade de som em uma modalidade de gravação de longo termo de não menos do que cinco vezes uma modalidade de gravação padrão pela prevenção, sem estreitar um passo de trilha de uma cabeça de alta fidelidade, a cabeça de alta fidelidade de traçar a terceira trilha de som de uma trilha de som de meta bem como excelente qualidade de imagem livre de diafonia de uma trilha de vídeo adjunta de uma trilha de vídeo de meta, porém possibilitam reprodução especial sem usar a memória de campo em Gravador de videoteipe, um par de cabeça em quatro cabeças do tipo azimute duplo convencional para a modalidade de gravação padrão e uma modalidade de gravação de três vezes é usada para gravação de vídeo em uma modalidade de gravação de longo termo e um par de cabeças tendo uma largura de cabeça menor do que uma largura de trilha de gravação é usada exclusivamente para reprodução de vídeo na modalidade de gravação de longo termo.
BR0012628-4A 1999-06-28 2000-03-03 Gravador de videoteipe BR0012628A (pt)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP18128999 1999-06-28
JP21974799A JP3233134B2 (ja) 1999-06-28 1999-08-03 磁気記録再生装置
JP21974699A JP3595205B2 (ja) 1999-06-28 1999-08-03 磁気記録再生装置
PCT/JP2000/001264 WO2001001398A1 (fr) 1999-06-28 2000-03-03 Dispositif d'enregistrement/reproduction magnetique

Publications (1)

Publication Number Publication Date
BR0012628A true BR0012628A (pt) 2002-04-02

Family

ID=27324988

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0012628-4A BR0012628A (pt) 1999-06-28 2000-03-03 Gravador de videoteipe

Country Status (7)

Country Link
US (1) US6275647B1 (pt)
KR (1) KR100424115B1 (pt)
CN (1) CN1204546C (pt)
BR (1) BR0012628A (pt)
MY (1) MY125412A (pt)
TW (1) TW476940B (pt)
WO (1) WO2001001398A1 (pt)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060284840A1 (en) * 2005-06-15 2006-12-21 Research In Motion Limited Portable electronic device including pointer and related methods

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835769A (ja) * 1981-08-24 1983-03-02 Hitachi Ltd 磁気デイスク装置
GB2170641B (en) * 1984-12-17 1989-10-04 Canon Kk Rotary head type recording and/or reproducing apparatus
JPH0384719A (ja) 1989-08-28 1991-04-10 Toshiba Corp 磁気記録再生装置
JP2839793B2 (ja) 1992-01-23 1998-12-16 シャープ株式会社 磁気記録再生装置
JPH06103544A (ja) 1992-09-22 1994-04-15 Sharp Corp ハイファイｖｔｒにおける音声ヘッド
JP2794255B2 (ja) 1992-09-22 1998-09-03 シャープ株式会社 回転磁気ヘッド装置
JPH0773405A (ja) 1993-09-02 1995-03-17 Sharp Corp 磁気記録再生装置
US6104862A (en) * 1994-12-19 2000-08-15 Hitachi, Ltd. Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing
JPH08279250A (ja) * 1995-04-04 1996-10-22 Matsushita Electric Ind Co Ltd ディジタル信号記録方法とディジタル信号書き換え方法及びｆｍ音声信号／ディジタル信号記録兼用ドラム装置とディジタル信号磁気記録再生装置
JP3444195B2 (ja) 1997-06-05 2003-09-08 株式会社日立製作所 記録装置、再生装置及び記録再生装置
JPH11224415A (ja) 1998-02-06 1999-08-17 Hitachi Ltd 記録再生装置およびこれに用いられる回転磁気ヘッド装置

Also Published As

Publication number Publication date
CN1204546C (zh) 2005-06-01
TW476940B (en) 2002-02-21
WO2001001398A1 (fr) 2001-01-04
MY125412A (en) 2006-07-31
US6275647B1 (en) 2001-08-14
CN1358302A (zh) 2002-07-10
KR100424115B1 (ko) 2004-03-25
KR20020013596A (ko) 2002-02-20

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: PANASONIC CORPORATION (JP)

Free format text: NOME ALTERADO DE: MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD

B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements