FR2662535B1 - Dispositif d'effacement de support d'enregistrement. - Google Patents

Dispositif d'effacement de support d'enregistrement.

Info

Publication number
FR2662535B1
FR2662535B1 FR9104484A FR9104484A FR2662535B1 FR 2662535 B1 FR2662535 B1 FR 2662535B1 FR 9104484 A FR9104484 A FR 9104484A FR 9104484 A FR9104484 A FR 9104484A FR 2662535 B1 FR2662535 B1 FR 2662535B1
Authority
FR
France
Prior art keywords
recording medium
erasing device
medium erasing
recording
medium
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 - Fee Related
Application number
FR9104484A
Other languages
English (en)
Other versions
FR2662535A1 (fr
Inventor
Sato Koichi
Morisawa Tahei
Wakui Yoshio
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.)
Pentax Corp
Original Assignee
Asahi Kogaku Kogyo 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 JP9853790A external-priority patent/JPH03295005A/ja
Application filed by Asahi Kogaku Kogyo Co Ltd filed Critical Asahi Kogaku Kogyo Co Ltd
Publication of FR2662535A1 publication Critical patent/FR2662535A1/fr
Application granted granted Critical
Publication of FR2662535B1 publication Critical patent/FR2662535B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/20—Driving; Starting; Stopping; Control thereof
    • G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
    • 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
    • G11B5/012—Recording on, or reproducing or erasing from, magnetic disks
    • 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/024—Erasing
FR9104484A 1990-04-13 1991-04-12 Dispositif d'effacement de support d'enregistrement. Expired - Fee Related FR2662535B1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP9853790A JPH03295005A (ja) 1990-04-13 1990-04-13 記録媒体消去装置
JP10262090 1990-04-17
JP10262190 1990-04-17
JP10261890 1990-04-17
JP10261790 1990-04-17
JP10261990 1990-04-17

Publications (2)

Publication Number Publication Date
FR2662535A1 FR2662535A1 (fr) 1991-11-29
FR2662535B1 true FR2662535B1 (fr) 1995-10-13

Family

ID=27552044

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9104484A Expired - Fee Related FR2662535B1 (fr) 1990-04-13 1991-04-12 Dispositif d'effacement de support d'enregistrement.

Country Status (4)

Country Link
US (1) US5235473A (fr)
DE (1) DE4112042C2 (fr)
FR (1) FR2662535B1 (fr)
GB (1) GB2244168B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5497238A (en) * 1992-12-03 1996-03-05 Asahi Kogaku Kogyo Kabushiki Kaisha Controlling erasing of tracks of a recording medium used with a still video apparatus
US5764430A (en) * 1996-04-01 1998-06-09 International Business Machines Corporation Disk drive having optimized spindle speed for environment
US5787292A (en) * 1996-04-01 1998-07-28 International Business Machines Corporation Power saving method and apparatus for use in multiple frequency zone drives
US5739994A (en) * 1996-04-01 1998-04-14 International Business Machines Corporation Optimally banded disk for use with multiple frequency channel

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723668A (en) * 1970-03-27 1973-03-27 Ampex Method of erasing signals from magnetic discs using dc pulses which persist for one disc revolution
JPS5984311A (ja) * 1982-11-08 1984-05-16 Sony Corp 記録再生装置
JPS6083203A (ja) * 1983-10-13 1985-05-11 Olympus Optical Co Ltd 磁気記録情報消去装置
US4727530A (en) * 1983-10-14 1988-02-23 Nippon Gakki Seizo Kabushiki Kaisha Disc rotation control device for a disc player
JPS60236159A (ja) * 1984-05-09 1985-11-22 Hitachi Ltd 磁気記録装置
US4714969A (en) * 1985-09-16 1987-12-22 Eastman Kodak Company Method and apparatus for erasing a signal recorded on a magnetic disk
US4849832A (en) * 1986-04-03 1989-07-18 Canon Kabushiki Kaisha Reproducing apparatus with erasing device and erasing function based on frequency multiplexed and/or DPSK coded signal
US4864435A (en) * 1986-05-20 1989-09-05 Fuji Photo Film Co., Ltd. Magnetic record erase circuit

Also Published As

Publication number Publication date
GB2244168B (en) 1994-04-27
US5235473A (en) 1993-08-10
DE4112042C2 (de) 1995-03-02
GB9107965D0 (en) 1991-05-29
GB2244168A (en) 1991-11-20
FR2662535A1 (fr) 1991-11-29
DE4112042A1 (de) 1991-10-17

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20051230