SE8004553L - Apparat for lesning av information - Google Patents

Apparat for lesning av information

Info

Publication number: SE8004553L
Authority: SE; Sweden
Prior art keywords: heads; tape; tracking signals; head; recording medium
Prior art date: 1979-06-22

Application number

SE8004553A

Other languages

Unknown language ( )

English (en)

Other versions

SE447175B (sv

Inventor

Boer J De

H J Sanderson

F Sommer

Original Assignee

Philips Nv

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.)

1979-06-22

Filing date

1980-06-19

Publication date

1980-12-23

1980-06-19 Application filed by Philips Nv filed Critical Philips Nv

1980-12-23 Publication of SE8004553L publication Critical patent/SE8004553L/sv

1986-10-27 Publication of SE447175B publication Critical patent/SE447175B/sv

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

Landscapes

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

SE8004553A 1979-06-22 1980-06-19 Apparat for lesning av information, innefattande en bandhastighetsstyrkrets SE447175B (sv)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL7904885A NL7904885A (nl)	1979-06-22	1979-06-22	Inrichting voor het uitlezen van informatie.

Publications (2)

Publication Number	Publication Date
SE8004553L true SE8004553L (sv)	1980-12-23
SE447175B SE447175B (sv)	1986-10-27

Family

ID=19833402

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE8004553A SE447175B (sv)	1979-06-22	1980-06-19	Apparat for lesning av information, innefattande en bandhastighetsstyrkrets

Country Status (21)

Country	Link
US (1)	US4364097A (sv)
JP (1)	JPS567260A (sv)
AR (1)	AR226699A1 (sv)
AT (1)	AT382487B (sv)
AU (1)	AU534997B2 (sv)
BE (1)	BE883945A (sv)
BR (1)	BR8003813A (sv)
CA (1)	CA1169553A (sv)
CH (1)	CH654430A5 (sv)
DD (1)	DD151526A5 (sv)
DE (1)	DE3022472A1 (sv)
DK (1)	DK150420C (sv)
ES (1)	ES8103427A1 (sv)
FR (1)	FR2460021B1 (sv)
GB (1)	GB2053528B (sv)
IT (1)	IT1131628B (sv)
MX (1)	MX147574A (sv)
NL (1)	NL7904885A (sv)
NZ (1)	NZ194091A (sv)
SE (1)	SE447175B (sv)
ZA (1)	ZA803192B (sv)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5727421A (en) *	1980-07-23	1982-02-13	Sony Corp	Track following device
DE3267715D1 (en) *	1981-12-07	1986-01-09	Hitachi Ltd	Method and apparatus for detecting track jumping point in magnetic recording and reproducing system
EP0081802B1 (en) *	1981-12-09	1986-04-02	Hitachi, Ltd.	Magnetic recording system
JPS58150162A (ja) *	1982-03-03	1983-09-06	Hitachi Ltd	磁気記録再生装置
JPS59110062A (ja) *	1982-12-13	1984-06-25	Canon Inc	情報信号記録再生装置
US4594618A (en) *	1982-12-24	1986-06-10	Canon Kabushiki Kaisha	Information reproducing apparatus
JPS59151348A (ja) *	1983-02-16	1984-08-29	Sanyo Electric Co Ltd	記録モ−ド判別回路
JPS59229735A (ja) *	1983-06-10	1984-12-24	Canon Inc	自動トラツキング装置
JPS60140554A (ja) *	1983-12-28	1985-07-25	Canon Inc	ビデオ信号再生装置
US4647990A (en) *	1984-11-02	1987-03-03	Victor Company Of Japan, Ltd.	Tracking control system
US4587581A (en) *	1985-01-07	1986-05-06	Datatape, Inc.	Magnetic tape tracking control apparatus
JP2542070B2 (ja) *	1988-12-27	1996-10-09	株式会社日立製作所	磁気記録再生装置のトラツキング装置

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS515569B1 (sv) *	1970-05-23	1976-02-20
US3803469A (en) *	1972-05-18	1974-04-09	Bosch Fernsehanlagen	System for controlling speed of the tape drive in a tape recording and replaying apparatus
US3931639A (en) *	1974-07-12	1976-01-06	International Business Machines Corporation	Transverse track location device with calibrated stepper motor
CA1067997A (en) *	1974-07-15	1979-12-11	Jacob De Boer	Servo system for controlling the position of a reading head
US4104684A (en) *	1975-05-19	1978-08-01	Matsushita Electric Industrial Co., Ltd.	Rotary head type magnetic video recording and reproducing system
JPS51138410A (en) *	1975-05-26	1976-11-30	Sony Corp	Method of recording and reproducing signal
NL7600470A (nl) *	1976-01-17	1977-07-19	Philips Nv	Servosysteem voor het sturen van de positie van een magneetkop ten opzichte van een te volgen spoor.
JPS6032258B2 (ja) *	1976-09-13	1985-07-26	ソニー株式会社	自動トラツキング制御装置
NL7702815A (nl) *	1977-03-16	1978-09-19	Philips Nv	Werkwijze voor het regelen van de positie van een schrijf- respektievelijk leeskop en een inrichting voor het uitvoeren van de werkwijze.
AT353855B (de) *	1977-07-28	1979-12-10	Grundig Emv	Anordnung zur exakten spurhaltung
NL7801318A (nl) *	1978-02-06	1979-08-08	Philips Nv	Werkwijze voor het regelen van de positie van een schrijf-leeskop en inrichting voor het uitvoeren van de werkwijze.

1979
- 1979-06-22 NL NL7904885A patent/NL7904885A/nl not_active Application Discontinuation
1980
- 1980-05-28 ZA ZA00803192A patent/ZA803192B/xx unknown
- 1980-05-30 US US06/154,643 patent/US4364097A/en not_active Expired - Lifetime
- 1980-06-11 CA CA000353805A patent/CA1169553A/en not_active Expired
- 1980-06-12 AR AR281387A patent/AR226699A1/es active
- 1980-06-14 DE DE19803022472 patent/DE3022472A1/de active Granted
- 1980-06-17 DD DD80221892A patent/DD151526A5/de unknown
- 1980-06-18 FR FR8013539A patent/FR2460021B1/fr not_active Expired
- 1980-06-18 MX MX182827A patent/MX147574A/es unknown
- 1980-06-19 GB GB8020120A patent/GB2053528B/en not_active Expired
- 1980-06-19 AU AU59420/80A patent/AU534997B2/en not_active Ceased
- 1980-06-19 NZ NZ194091A patent/NZ194091A/xx unknown
- 1980-06-19 AT AT0323880A patent/AT382487B/de not_active IP Right Cessation
- 1980-06-19 CH CH4725/80A patent/CH654430A5/de not_active IP Right Cessation
- 1980-06-19 SE SE8004553A patent/SE447175B/sv not_active IP Right Cessation
- 1980-06-19 BR BR8003813A patent/BR8003813A/pt unknown
- 1980-06-19 DK DK261880A patent/DK150420C/da not_active IP Right Cessation
- 1980-06-20 BE BE0/201127A patent/BE883945A/fr not_active IP Right Cessation
- 1980-06-20 IT IT22917/80A patent/IT1131628B/it active
- 1980-06-20 ES ES492623A patent/ES8103427A1/es not_active Expired
- 1980-06-23 JP JP8504580A patent/JPS567260A/ja active Granted

Also Published As

Publication number	Publication date
DK150420B (da)	1987-02-23
GB2053528A (en)	1981-02-04
DK150420C (da)	1987-07-13
ES492623A0 (es)	1981-02-16
ATA323880A (de)	1986-07-15
JPH0152823B2 (sv)	1989-11-10
AU534997B2 (en)	1984-02-23
ES8103427A1 (es)	1981-02-16
NZ194091A (en)	1983-06-14
JPS567260A (en)	1981-01-24
AU5942080A (en)	1981-01-08
CH654430A5 (de)	1986-02-14
DK261880A (da)	1981-02-19
FR2460021A1 (fr)	1981-01-16
DE3022472A1 (de)	1981-01-15
DE3022472C2 (sv)	1989-03-23
NL7904885A (nl)	1980-12-24
AR226699A1 (es)	1982-08-13
ZA803192B (en)	1982-01-27
MX147574A (es)	1982-12-14
CA1169553A (en)	1984-06-19
SE447175B (sv)	1986-10-27
US4364097A (en)	1982-12-14
DD151526A5 (de)	1981-10-21
BR8003813A (pt)	1981-01-13
AT382487B (de)	1987-02-25
IT1131628B (it)	1986-06-25
BE883945A (fr)	1980-12-22
GB2053528B (en)	1983-04-07
FR2460021B1 (fr)	1987-01-23
IT8022917A0 (it)	1980-06-20

Publication	Publication Date	Title
ATE98038T1 (de)	1993-12-15	Positioniersteuerungsverfahren mit sowohl kontinuierlichen als auch angefuegten informationen fuer einen magnetplattenspeicher.
DE3464428D1 (en)	1987-07-30	System for detecting the position of a read-write head on a disk recording medium having data and servo sectors
AU564397B2 (en)	1987-08-13	Helical scan tracking control
BE852631A (fr)	1977-07-18	Tete de lecture et d'enregistrement de signaux video
BR8503691A (pt)	1986-05-06	Processo de aparelho para registrar sinais digitais
EP0194641A3 (en)	1987-11-11	Tracking servo system for disc memory
EP0110509A3 (en)	1985-09-11	Recording system for recording data on tape in a disk-recording format
SE7502293L (sv)	1975-09-15
SE8004553L (sv)	1980-12-23	Apparat for lesning av information
SE7907460L (sv)	1980-03-08	Apparat for reproducering av informationssignaler
EP0322119A3 (en)	1991-07-24	Information reproducing apparatus for recording tape
JPS5577012A (en)	1980-06-10	Magnetic recording and reproducing device
NL7409513A (en)	1976-01-19	Servo system for controlling position of magnetic reading head - has selection signals written into data tracks with simultaneous reading of adjacent tracks
DE3676729D1 (de)	1991-02-14	Anordnung zur wiedergabe digitaler signale.
DE69016557D1 (de)	1995-03-16	Informationsdatenaufzeichnungs-/wiedergabegerät.
GB1481370A (en)	1977-07-27	Magnetic recording apparatus for recording on both sides of a moving record member
DE68910581D1 (de)	1993-12-16	Anordnung zum Aufnehmen oder Wiedergeben eines elektrischen Signals.
FR2453461B1 (fr)	1985-07-12	Tete de lecture de signaux enregistres sur des supports d'enregistrement tournants
EP0000946A3 (en)	1979-03-21	Apparatus for controlling the movement of the data head in a moving-head data recording system
JPS57167108A (en)	1982-10-14	Magnetic disc storage device
JPS55163627A (en)	1980-12-19	Information recorder/reproducer
JPS5215307A (en)	1977-02-04	Data reader
JPS5690454A (en)	1981-07-22	Tape-like recording medium and reproducing device
JPS54105508A (en)	1979-08-18	Magnetic recorder-reproducer
ATE80749T1 (de)	1992-10-15	Recorder mit spurfuehrung.

Legal Events

Date	Code	Title	Description
1995-01-31	NUG	Patent has lapsed	Ref document number: 8004553-7 Effective date: 19920109 Format of ref document f/p: F

Date

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Description

1995-01-31

NUG

Patent has lapsed

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