AU517051B2 – Magnetic tape drive with friction compensation
– Google Patents
AU517051B2 – Magnetic tape drive with friction compensation
– Google Patents
Magnetic tape drive with friction compensation
Info
Publication number
AU517051B2
AU517051B2
AU39828/78A
AU3982878A
AU517051B2
AU 517051 B2
AU517051 B2
AU 517051B2
AU 39828/78 A
AU39828/78 A
AU 39828/78A
AU 3982878 A
AU3982878 A
AU 3982878A
AU 517051 B2
AU517051 B2
AU 517051B2
Authority
AU
Australia
Prior art keywords
magnetic tape
tape drive
friction compensation
compensation
friction
Prior art date
1977-09-16
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
AU39828/78A
Other versions
AU3982878A
(en
Inventor
A Walraven
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken 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.)
1977-09-16
Filing date
1978-09-13
Publication date
1981-07-02
1978-09-13
Application filed by Philips Gloeilampenfabrieken NV
filed
Critical
Philips Gloeilampenfabrieken NV
1980-03-20
Publication of AU3982878A
publication
Critical
patent/AU3982878A/en
1981-07-02
Application granted
granted
Critical
1981-07-02
Publication of AU517051B2
publication
Critical
patent/AU517051B2/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
G11B15/18—Driving; Starting; Stopping; Arrangements for control or regulation thereof
G11B15/26—Driving record carriers by members acting directly or indirectly thereon
G11B15/28—Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal
G11B15/295—Driving record carriers by members acting directly or indirectly thereon through rollers driving by frictional contact with the record carrier, e.g. capstan; Multiple arrangements of capstans or drums coupled to means for controlling the speed of the drive; Multiple capstan systems alternately engageable with record carrier to provide reversal with single capstan or drum simultaneously driving the record carrier at two separate points of an isolated part thereof, e.g. the capstan acting directly on the tape rollers
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
G11B15/43—Control or regulation of mechanical tension of record carrier, e.g. tape tension
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
G11B15/605—Guiding record carrier without displacing the guiding means
AU39828/78A
1977-09-16
1978-09-13
Magnetic tape drive with friction compensation
Expired
AU517051B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
NL7710163A
NL7710163A
(en)
1977-09-16
1977-09-16
CLOSED-LOOP MAGNETIC TAPE DRIVE.
NLNL7710163
1977-09-16
Publications (2)
Publication Number
Publication Date
AU3982878A
AU3982878A
(en)
1980-03-20
AU517051B2
true
AU517051B2
(en)
1981-07-02
Family
ID=19829189
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU39828/78A
Expired
AU517051B2
(en)
1977-09-16
1978-09-13
Magnetic tape drive with friction compensation
Country Status (11)
Country
Link
US
(1)
US4185795A
(en)
JP
(1)
JPS5454005A
(en)
AT
(1)
AT357784B
(en)
AU
(1)
AU517051B2
(en)
CA
(1)
CA1096838A
(en)
DE
(1)
DE2839491C2
(en)
ES
(1)
ES473338A1
(en)
FR
(1)
FR2403620A1
(en)
GB
(1)
GB2004405B
(en)
IT
(1)
IT1098627B
(en)
NL
(1)
NL7710163A
(en)
Families Citing this family (4)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4333618A
(en)
*
1980-06-24
1982-06-08
Newell Research Corporation
Apparatus for reducing tape tension variations in a peripheral belt drive tape transport system
FR2632109B1
(en)
*
1988-05-26
1990-08-17
Schlumberger Ind Sa
BELT DRIVE DEVICE FOR MAGNETIC RECORDER AND RECORDER PROVIDED WITH SUCH A DEVICE
JPH04302841A
(en)
*
1991-03-29
1992-10-26
Sony Corp
Tape guide device
US5236146A
(en)
*
1992-04-15
1993-08-17
Tandberg Data A/S
Capstan belt drive
Family Cites Families (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2687882A
(en)
*
1950-12-19
1954-08-31
Rca Corp
Panel magnetic sound recorder and reproducer
US2893653A
(en)
*
1956-05-24
1959-07-07
Ampex
Magnetic tape machine
US2894702A
(en)
*
1956-08-13
1959-07-14
Cons Electrodynamics Corp
Gimbaled roller
US2948488A
(en)
*
1957-01-28
1960-08-09
Ampex
Magnetic tape apparatus
US3820701A
(en)
*
1973-04-23
1974-06-28
Minnesota Mining & Mfg
Differential tape drive
US4091979A
(en)
*
1976-03-29
1978-05-30
Bell & Howell Company
Methods and apparatus for precision guiding a web
1977
1977-09-16
NL
NL7710163A
patent/NL7710163A/en
not_active
Application Discontinuation
1978
1978-08-18
US
US05/934,826
patent/US4185795A/en
not_active
Expired – Lifetime
1978-09-11
DE
DE2839491A
patent/DE2839491C2/en
not_active
Expired
1978-09-12
FR
FR7826178A
patent/FR2403620A1/en
active
Granted
1978-09-13
AU
AU39828/78A
patent/AU517051B2/en
not_active
Expired
1978-09-13
IT
IT27636/78A
patent/IT1098627B/en
active
1978-09-14
GB
GB7836859A
patent/GB2004405B/en
not_active
Expired
1978-09-14
CA
CA311,347A
patent/CA1096838A/en
not_active
Expired
1978-09-14
ES
ES473338A
patent/ES473338A1/en
not_active
Expired
1978-09-15
AT
AT667978A
patent/AT357784B/en
not_active
IP Right Cessation
1978-09-16
JP
JP11401678A
patent/JPS5454005A/en
active
Pending
Also Published As
Publication number
Publication date
IT7827636D0
(en)
1978-09-13
FR2403620A1
(en)
1979-04-13
AU3982878A
(en)
1980-03-20
IT1098627B
(en)
1985-09-07
GB2004405A
(en)
1979-03-28
NL7710163A
(en)
1979-03-20
ATA667978A
(en)
1979-12-15
AT357784B
(en)
1980-07-25
JPS5454005A
(en)
1979-04-27
DE2839491A1
(en)
1979-03-29
US4185795A
(en)
1980-01-29
GB2004405B
(en)
1982-01-27
FR2403620B1
(en)
1982-07-02
DE2839491C2
(en)
1983-12-22
ES473338A1
(en)
1979-05-01
CA1096838A
(en)
1981-03-03
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None