FR2184612B1 - - Google Patents

Info

Publication number: FR2184612B1
Authority: FR; France
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

Application number

FR7313792A

Other versions

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.)

International Business Machines Corp

Original Assignee

International Business Machines 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.)

1972-05-18

Filing date

1973-04-10

Publication date

1976-09-10

1973-04-10 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1973-12-28 Publication of FR2184612A1 publication Critical patent/FR2184612A1/fr

1976-09-10 Application granted granted Critical

1976-09-10 Publication of FR2184612B1 publication Critical patent/FR2184612B1/fr

Status Expired legal-status Critical Current

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
- G11B15/60—Guiding record carrier
- G11B15/602—Guiding record carrier for track selection, acquisition or following
- 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
- G11B15/60—Guiding record carrier
- G11B15/61—Guiding record carrier on drum, e.g. drum containing rotating heads

FR7313792A 1972-05-18 1973-04-10 Expired FR2184612B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00254669A US3838453A (en)	1972-05-18	1972-05-18	Track following system for magnetic tape recorder

Publications (2)

Publication Number	Publication Date
FR2184612A1 FR2184612A1 (fr)	1973-12-28
FR2184612B1 true FR2184612B1 (fr)	1976-09-10

Family

ID=22965129

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7313792A Expired FR2184612B1 (fr)	1972-05-18	1973-04-10

Country Status (13)

Country	Link
US (1)	US3838453A (fr)
JP (1)	JPS5610699B2 (fr)
AT (1)	AT328761B (fr)
BE (1)	BE799756A (fr)
BR (1)	BR7303618D0 (fr)
CA (1)	CA1007368A (fr)
CH (1)	CH555580A (fr)
DE (1)	DE2323820C3 (fr)
FR (1)	FR2184612B1 (fr)
GB (1)	GB1414844A (fr)
IT (1)	IT981614B (fr)
NL (1)	NL178364C (fr)
SE (1)	SE389418B (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3845500A (en) *	1973-11-12	1974-10-29	Ibm	Head to track alignment in a rotating head magnetic tape unit
US4011587A (en) *	1974-03-14	1977-03-08	International Business Machines Corporation	Rotary head magnetic recorder for use with a specific record member
US3932894A (en) *	1974-03-14	1976-01-13	International Business Machines Corporation	Magnetic record member for use with rotating head magnetic recording apparatus
US3987490A (en) *	1975-03-03	1976-10-19	International Business Machines Corporation	Rotating read/write system for NRZI data
JPS51138410A (en) *	1975-05-26	1976-11-30	Sony Corp	Method of recording and reproducing signal
US4175271A (en) *	1976-01-02	1979-11-20	American Telephone And Telegraph	Helical video tape insert recording editing method with flying erase head and servo control
US4163262A (en) *	1976-01-02	1979-07-31	Americal Telephone and Telegraph	Helical video tape recorder arrangement suitable for high quality editing
US4151570A (en) *	1976-03-22	1979-04-24	Ampex Corporation	Automatic scan tracking using a magnetic head supported by a piezoelectric bender element
JPS5326107A (en) *	1976-08-24	1978-03-10	Sony Corp	Tracking correcting apparatus
JPS5335511A (en) *	1976-09-13	1978-04-03	Sony Corp	Recorder-reproducer for picture signal
US4044388A (en) *	1976-10-05	1977-08-23	Eastman Kodak Company	Interactive servo control system for use with a rotating-head magnetic tape player
US4120008A (en) *	1976-10-05	1978-10-10	Eastman Kodak Company	Overlap track servo for dynamic position correction in a rotary-head tape recorder
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.
US4141047A (en) *	1977-09-12	1979-02-20	Sony Corporation	Method and apparatus for correcting tracking errors of a transducer which scans parallel record tracks
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.
NL7810250A (nl) *	1978-10-12	1980-04-15	Philips Nv	Werkwijze voor het inschrijven van informatie en spoor- volgsignalen en een inrichting voor het uitvoeren van de werkwijze.
US4485414A (en) *	1980-07-07	1984-11-27	Ampex Corporation	Servo system for positioning a movable transducing head assembly
USRE32075E (en) *	1980-09-24	1986-01-28	Quantum Corporation	Data transducer position control system for rotating disk data storage equipment
US4660106A (en) *	1980-09-24	1987-04-21	Quantum Corporation	Data transducer position control system for rotating disk data storage equipment
US4872074A (en) *	1980-09-24	1989-10-03	Quantum Corporation	Data transducer position control system for rotating disk data storage equipment
US4587581A (en) *	1985-01-07	1986-05-06	Datatape, Inc.	Magnetic tape tracking control apparatus
JPH0679400B2 (ja) *	1987-05-29	1994-10-05	松下電器産業株式会社	磁気記録再生装置
US5309300A (en) *	1991-08-06	1994-05-03	R-Byte, Inc.	Beginning/end of tape detection system
US5359468A (en) *	1991-08-06	1994-10-25	R-Byte, Inc.	Digital data storage tape formatter
US5398140A (en) *	1991-08-06	1995-03-14	R-Byte, Inc.	Digital data tape storage automatic track follower system
US5287233A (en) *	1991-08-06	1994-02-15	R-Byte Inc.	Digital data storage magnetic tape system comprising a single chip processor to control a tape tension servo, and a head drum servo

Family Cites Families (2)

* 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
JPS526609A (en) *	1975-06-24	1977-01-19	Shinichi Tadano	Levee plastering machine

1972
- 1972-05-18 US US00254669A patent/US3838453A/en not_active Expired - Lifetime
1973
- 1973-03-26 IT IT22103/73A patent/IT981614B/it active
- 1973-04-09 SE SE7304968A patent/SE389418B/xx unknown
- 1973-04-10 FR FR7313792A patent/FR2184612B1/fr not_active Expired
- 1973-04-13 CA CA169,268A patent/CA1007368A/en not_active Expired
- 1973-04-19 JP JP4375873A patent/JPS5610699B2/ja not_active Expired
- 1973-04-19 GB GB1898473A patent/GB1414844A/en not_active Expired
- 1973-05-02 CH CH626973A patent/CH555580A/xx not_active IP Right Cessation
- 1973-05-11 DE DE2323820A patent/DE2323820C3/de not_active Expired
- 1973-05-14 AT AT420473A patent/AT328761B/de not_active IP Right Cessation
- 1973-05-17 BR BR3618/73A patent/BR7303618D0/pt unknown
- 1973-05-17 NL NLAANVRAGE7306942,A patent/NL178364C/xx not_active IP Right Cessation
- 1973-05-18 BE BE131299A patent/BE799756A/fr not_active IP Right Cessation

Also Published As

Publication number	Publication date
FR2184612A1 (fr)	1973-12-28
JPS4929111A (fr)	1974-03-15
BE799756A (fr)	1973-09-17
GB1414844A (en)	1975-11-19
IT981614B (it)	1974-10-10
NL7306942A (fr)	1973-11-20
DE2323820C3 (de)	1975-03-06
CH555580A (de)	1974-10-31
AT328761B (de)	1976-04-12
NL178364C (nl)	1986-03-03
JPS5610699B2 (fr)	1981-03-10
CA1007368A (en)	1977-03-22
SE389418B (sv)	1976-11-01
US3838453A (en)	1974-09-24
ATA420473A (de)	1975-06-15
BR7303618D0 (pt)	1974-07-25
DE2323820A1 (de)	1973-11-22
NL178364B (nl)	1985-10-01
DE2323820B2 (de)	1974-07-18

Publication	Publication Date	Title
JPS4919731A (fr)	1974-02-21
JPS4898469A (fr)	1973-12-14
CH564726A5 (fr)	1975-07-31
BG17866A1 (fr)	1974-03-05
BG18109A1 (fr)	1974-09-02
BG18156A1 (fr)	1974-09-02
BG18233A1 (fr)	1974-10-25
BG18306A1 (fr)	1974-10-25
BG18360A1 (fr)	1974-10-25
BG18674A1 (fr)	1975-03-20
BG18742A1 (fr)	1975-03-20
BG19451A1 (fr)	1975-06-25
CH1244273A4 (fr)	1975-02-28
CH1504872A4 (fr)	1973-11-15
CH1646872A4 (fr)	1975-10-15
CH552234A (fr)	1974-07-31
CH559059A5 (fr)	1975-02-28
CH559375A5 (fr)	1975-02-28
CH559527A5 (fr)	1975-03-14
CH562952A5 (fr)	1975-06-13
CH563948A5 (fr)	1975-07-15
CH564141A5 (fr)	1975-07-15
CH564955A5 (fr)	1975-08-15
CH565979A5 (fr)	1975-08-29
CH566201A5 (fr)	1975-09-15

Legal Events

Date	Code	Title	Description
1987-02-27	ST	Notification of lapse