JPH0427603B2 - - Google Patents

Info

Publication number
JPH0427603B2
JPH0427603B2 JP58062704A JP6270483A JPH0427603B2 JP H0427603 B2 JPH0427603 B2 JP H0427603B2 JP 58062704 A JP58062704 A JP 58062704A JP 6270483 A JP6270483 A JP 6270483A JP H0427603 B2 JPH0427603 B2 JP H0427603B2
Authority
JP
Japan
Prior art keywords
recording
head
tape
heads
output
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
JP58062704A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59188822A (ja
Inventor
Masakazu Sonoda
Koichi Nakayama
Toshuki Sado
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Priority to JP58062704A priority Critical patent/JPS59188822A/ja
Priority to US06/596,948 priority patent/US4607297A/en
Priority to EP84302388A priority patent/EP0125026B1/en
Priority to AT84302388T priority patent/ATE39315T1/de
Priority to DE8484302388T priority patent/DE3475686D1/de
Priority to CA000451427A priority patent/CA1221453A/en
Priority to AU26603/84A priority patent/AU562158B2/en
Publication of JPS59188822A publication Critical patent/JPS59188822A/ja
Publication of JPH0427603B2 publication Critical patent/JPH0427603B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G11B15/14—Masking or switching periodically, e.g. of rotating heads
    • 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
    • G11B15/04—Preventing, inhibiting, or warning against accidental erasing or double recording
    • 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
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • 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
    • G11B5/455—Arrangements for functional testing of heads; Measuring arrangements for heads
JP58062704A 1983-04-08 1983-04-08 回転ヘツド式記録装置のクロツグ検出装置 Granted JPS59188822A (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP58062704A JPS59188822A (ja) 1983-04-08 1983-04-08 回転ヘツド式記録装置のクロツグ検出装置
US06/596,948 US4607297A (en) 1983-04-08 1984-04-05 Apparatus for detecting clogging of head gap
EP84302388A EP0125026B1 (en) 1983-04-08 1984-04-06 An apparatus for recording a video signal
AT84302388T ATE39315T1 (de) 1983-04-08 1984-04-06 Einrichtung zur aufzeichnung eines videosignales.
DE8484302388T DE3475686D1 (en) 1983-04-08 1984-04-06 An apparatus for recording a video signal
CA000451427A CA1221453A (en) 1983-04-08 1984-04-06 Apparatus for recording a video signal
AU26603/84A AU562158B2 (en) 1983-04-08 1984-04-06 Detection of clogging of gaps in rotary magnetic heads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58062704A JPS59188822A (ja) 1983-04-08 1983-04-08 回転ヘツド式記録装置のクロツグ検出装置

Publications (2)

Publication Number Publication Date
JPS59188822A JPS59188822A (ja) 1984-10-26
JPH0427603B2 true JPH0427603B2 (en]) 1992-05-12

Family

ID=13207962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58062704A Granted JPS59188822A (ja) 1983-04-08 1983-04-08 回転ヘツド式記録装置のクロツグ検出装置

Country Status (7)

Country Link
US (1) US4607297A (en])
EP (1) EP0125026B1 (en])
JP (1) JPS59188822A (en])
AT (1) ATE39315T1 (en])
AU (1) AU562158B2 (en])
CA (1) CA1221453A (en])
DE (1) DE3475686D1 (en])

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0777053B2 (ja) * 1985-03-07 1995-08-16 三菱電機株式会社 磁気テープ装置
JPH0789405B2 (ja) * 1986-09-18 1995-09-27 ソニー株式会社 記録装置
JPS63275013A (ja) * 1987-05-01 1988-11-11 Sharp Corp 再生出力不良磁気ヘッドの判別方法
US5193033A (en) * 1988-05-17 1993-03-09 Mitsubishi Denki Kabushiki Kaisha Magnetic recording and reproducing apparatus incorporating clogging detection
DE3916379C3 (de) * 1988-05-17 1994-12-15 Mitsubishi Electric Corp Magnetisches Aufzeichnungs- und Wiedergabegerät
JPH0373405A (ja) * 1989-04-28 1991-03-28 Pioneer Electron Corp 回転ヘッド式ディジタル磁気記録再生装置
US5343334A (en) * 1990-02-28 1994-08-30 Sony Corporation Video tape that records, plays back, and rerecords video signals to overcome dropouts
KR940001539B1 (ko) * 1991-09-09 1994-02-23 삼성전자 주식회사 헤드의 이물 제거장치
JPH05166141A (ja) * 1991-12-17 1993-07-02 Mitsubishi Electric Corp 磁気記録再生装置
US5629814A (en) * 1993-01-27 1997-05-13 Goldstar Co., Ltd. Automatic tracking control apparatus and method
JPH06274839A (ja) 1993-03-23 1994-09-30 Minnesota Mining & Mfg Co <3M> ビデオカセットレコーダ要素クリーニングカセット
BE1008066A3 (nl) * 1994-02-03 1996-01-09 Koninkl Philips Electronics Nv Inrichting voor het bepalen van de schrijfkwaliteit tijdens magnetische recording.
DE69517007T2 (de) * 1994-10-31 2000-12-21 Koninklijke Philips Electronics N.V., Eindhoven Magnetband mit einer spurkonfiguration und damit arbeitendes gerät
JP2865002B2 (ja) * 1994-11-25 1999-03-08 日本ビクター株式会社 情報記録方法、磁気テープ及び情報記録再生方法
JP3039565U (ja) * 1997-01-14 1997-07-22 船井電機株式会社 磁気テープ再生装置
JP3520004B2 (ja) * 1999-12-10 2004-04-19 三洋電機株式会社 ビデオテープレコーダ
US9666217B1 (en) * 2016-02-18 2017-05-30 Dell Products L.P. Systems and methods for dynamically cleaning read/write head

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2055239B (en) * 1979-08-03 1983-03-30 Rca Corp Verification of video recording
US4489354A (en) * 1980-11-24 1984-12-18 Eastman Kodak Company Information recording system with recording process monitoring function
JPS57196673A (en) * 1981-05-29 1982-12-02 Hitachi Ltd Controller for joint for magnetic video recorder and reproducer
DE3278891D1 (en) * 1981-06-05 1988-09-15 Ibm I/o controller with a dynamically adjustable cache memory

Also Published As

Publication number Publication date
DE3475686D1 (en) 1989-01-19
US4607297A (en) 1986-08-19
EP0125026A2 (en) 1984-11-14
EP0125026A3 (en) 1985-10-23
AU2660384A (en) 1984-10-11
EP0125026B1 (en) 1988-12-14
AU562158B2 (en) 1987-05-28
CA1221453A (en) 1987-05-05
ATE39315T1 (de) 1988-12-15
JPS59188822A (ja) 1984-10-26

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