DE3786251T2 - System und verfahren zur verbesserung der bildqualität während des pendelns von videobändern. - Google Patents

System und verfahren zur verbesserung der bildqualität während des pendelns von videobändern.

Info

Publication number
DE3786251T2
DE3786251T2 DE87902975T DE3786251T DE3786251T2 DE 3786251 T2 DE3786251 T2 DE 3786251T2 DE 87902975 T DE87902975 T DE 87902975T DE 3786251 T DE3786251 T DE 3786251T DE 3786251 T2 DE3786251 T2 DE 3786251T2
Authority
DE
Germany
Prior art keywords
image quality
quality during
video tape
improving image
video tapes
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE87902975T
Other languages
English (en)
Other versions
DE3786251D1 (de
Inventor
Richard Brush
John Watney
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ampex Corp
Original Assignee
Ampex Corp
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 Ampex Corp filed Critical Ampex Corp
Publication of DE3786251D1 publication Critical patent/DE3786251D1/de
Application granted granted Critical
Publication of DE3786251T2 publication Critical patent/DE3786251T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/022—Electronic editing of analogue information signals, e.g. audio or video signals
    • G11B27/024—Electronic editing of analogue information signals, e.g. audio or video signals 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
    • G11B15/18—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
    • 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
DE87902975T 1986-04-11 1987-03-30 System und verfahren zur verbesserung der bildqualität während des pendelns von videobändern. Expired - Lifetime DE3786251T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/851,067 US4760471A (en) 1986-04-11 1986-04-11 System and method to improve picture quality during shuttling of video tapes

Publications (2)

Publication Number Publication Date
DE3786251D1 DE3786251D1 (de) 1993-07-22
DE3786251T2 true DE3786251T2 (de) 1993-10-07

Family

ID=25309886

Family Applications (1)

Application Number Title Priority Date Filing Date
DE87902975T Expired - Lifetime DE3786251T2 (de) 1986-04-11 1987-03-30 System und verfahren zur verbesserung der bildqualität während des pendelns von videobändern.

Country Status (7)

Country Link
US (1) US4760471A (de)
EP (1) EP0277958B1 (de)
JP (1) JP2578864B2 (de)
KR (1) KR880701512A (de)
AT (1) ATE90827T1 (de)
DE (1) DE3786251T2 (de)
WO (1) WO1987006417A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5532887A (en) * 1989-05-23 1996-07-02 Kabushiki Kaisha Toshiba Magnetic recording and reproduction apparatus
US5047873A (en) * 1989-12-04 1991-09-10 Honeywell Inc. Split swipe tape recording
EP0463883B1 (de) * 1990-06-28 1998-08-19 Mitsubishi Denki Kabushiki Kaisha Vorrichtung zur Kontrolle der Lage eines beweglichen Kopfes in einem Aufnahme- und Wiedergabegerät
KR940005204B1 (ko) * 1991-10-18 1994-06-13 삼성전자 주식회사 영상데이터의 기록 및 그 재생방법
US6617817B2 (en) * 2001-06-01 2003-09-09 Stmicroelectronics, Ltd. Electrical time constant compensation method for switched, voltage-mode driver circuit
US7064913B2 (en) * 2002-01-09 2006-06-20 Quantum Corporation Enhanced read margining using dither enhanced write marginalization for mass data storage applications
US7372651B2 (en) 2003-03-07 2008-05-13 Quantum Corporation Introducing a noise signal into a read-back signal when data is written to a removable data storage medium
JP4977950B2 (ja) * 2004-02-04 2012-07-18 セイコーエプソン株式会社 マルチ画面映像再生システム、映像再生方法及び表示装置
US11290268B2 (en) 2018-09-13 2022-03-29 Apple Inc. Mode switching with multiple security certificates in a wireless device

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3663763A (en) * 1970-04-06 1972-05-16 Ampex Automatic tracking method and apparatus for rotary scan tape transport
IT1083488B (it) * 1976-03-19 1985-05-21 Ampex Perfezionamento nei sistemi di registrazione/riproduzione in particolare in dispositivi di alineamento fra trasduttore e supporto di registrazione
US4151570A (en) * 1976-03-22 1979-04-24 Ampex Corporation Automatic scan tracking using a magnetic head supported by a piezoelectric bender element
JPS5497007A (en) * 1978-01-17 1979-07-31 Sony Corp Head supporting structure
US4163993A (en) * 1978-03-23 1979-08-07 Ampex Corporation Continuous slow motion automatic tracking system
JPS5727421A (en) * 1980-07-23 1982-02-13 Sony Corp Track following device
JPS5783978A (en) * 1980-11-12 1982-05-26 Sony Corp Video signal recorder and reproducer
US4590523A (en) * 1981-11-09 1986-05-20 Matsushita Electric Industrial Co., Ltd. Control of auto-tracking in tracking-error correcting system of video recording/reproducing apparatus
JPS58169360A (ja) * 1982-03-30 1983-10-05 Sony Corp ビデオ信号再生装置
US4550439A (en) * 1983-05-20 1985-10-29 Paramount Packaging Corporation Plastic bag with carrying handle
JPS60111580A (ja) * 1983-11-21 1985-06-18 Sony Corp 映像信号再生装置
JPS6398288A (ja) * 1986-10-14 1988-04-28 Sony Corp 磁気記録再生装置

Also Published As

Publication number Publication date
EP0277958A4 (en) 1992-01-22
EP0277958A1 (de) 1988-08-17
DE3786251D1 (de) 1993-07-22
EP0277958B1 (de) 1993-06-16
KR880701512A (ko) 1988-07-27
US4760471A (en) 1988-07-26
JPS63503110A (ja) 1988-11-10
JP2578864B2 (ja) 1997-02-05
WO1987006417A1 (en) 1987-10-22
ATE90827T1 (de) 1993-07-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition