GB1187575A - Recording and/or Play-Back Apparatus - Google Patents

Recording and/or Play-Back Apparatus

Info

Publication number
GB1187575A
GB1187575A GB01956/69A GB1195669A GB1187575A GB 1187575 A GB1187575 A GB 1187575A GB 01956/69 A GB01956/69 A GB 01956/69A GB 1195669 A GB1195669 A GB 1195669A GB 1187575 A GB1187575 A GB 1187575A
Authority
GB
United Kingdom
Prior art keywords
drum
grooves
recording
march
play
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
Application number
GB01956/69A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries 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
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1187575A publication Critical patent/GB1187575A/en
Expired legal-status Critical Current

Links

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
    • G11B5/52—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 simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
    • 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

Landscapes

  • Manufacturing Of Magnetic Record Carriers (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Fertilizers (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Advancing Webs (AREA)
  • Magnetic Record Carriers (AREA)
GB01956/69A 1968-03-09 1969-03-06 Recording and/or Play-Back Apparatus Expired GB1187575A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6803410A NL6803410A (OSRAM) 1968-03-09 1968-03-09

Publications (1)

Publication Number Publication Date
GB1187575A true GB1187575A (en) 1970-04-08

Family

ID=19802986

Family Applications (1)

Application Number Title Priority Date Filing Date
GB01956/69A Expired GB1187575A (en) 1968-03-09 1969-03-06 Recording and/or Play-Back Apparatus

Country Status (13)

Country Link
US (1) US3614338A (OSRAM)
AT (1) AT290158B (OSRAM)
BE (1) BE729600A (OSRAM)
BR (1) BR6906933D0 (OSRAM)
CH (1) CH504754A (OSRAM)
DE (1) DE1908508C3 (OSRAM)
DK (1) DK118410B (OSRAM)
ES (1) ES364475A1 (OSRAM)
FR (1) FR2003592A1 (OSRAM)
GB (1) GB1187575A (OSRAM)
NL (1) NL6803410A (OSRAM)
NO (1) NO123669C (OSRAM)
SE (1) SE356659B (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725606A (en) * 1971-05-17 1973-04-03 Electronic Processors Inc Rotating magnetic tape head having air cushion support for the tape
JPS518004B2 (OSRAM) * 1972-08-18 1976-03-12
US3890641A (en) * 1972-09-01 1975-06-17 Int Video Corp Helical scan magnetic tape transport system including vacuum column tension control and helical scanner air bearing
US3981024A (en) * 1973-04-25 1976-09-14 International Video Corporation Helical scan head drum with helical grooves for generating an air bearing
US3996615A (en) * 1974-04-08 1976-12-07 International Business Machines Corporation Rotary air bearing head with leading edge controlling air bearing
US4012792A (en) * 1975-08-11 1977-03-15 Eastman Kodak Company Magnetic head drum configuration having a friction reducing helical step
JPS5951066B2 (ja) * 1978-04-17 1984-12-12 ソニー株式会社 記録再生装置
US4194661A (en) * 1978-12-11 1980-03-25 Bell & Howell Company Tape advancing methods and apparatus
JPS5665354A (en) * 1979-10-29 1981-06-03 Hitachi Ltd Structure of magnetic tape run system
KR20060047013A (ko) * 2004-11-12 2006-05-18 삼성전자주식회사 자기기록재생장치의 헤드드럼 조립체
US7460332B2 (en) * 2006-04-07 2008-12-02 International Business Machines Corporation Tape roller guide with integral recording head

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630757A (OSRAM) * 1962-04-09
US3333753A (en) * 1965-06-17 1967-08-01 Ampex Helical scan magnetic tape apparatus with a squeeze film bearing
US3436491A (en) * 1966-12-27 1969-04-01 Ampex Helical scan recorder with tapered drum to prevent oxide build-up
US3482232A (en) * 1967-01-05 1969-12-02 North American Rockwell Transducer positioning member having hydrostatic bearing supports

Also Published As

Publication number Publication date
FR2003592A1 (OSRAM) 1969-11-07
DE1908508C3 (de) 1974-10-31
AT290158B (de) 1971-05-25
DE1908508A1 (de) 1969-10-09
ES364475A1 (es) 1971-02-01
CH504754A (de) 1971-03-15
US3614338A (en) 1971-10-19
NO123669C (OSRAM) 1976-07-08
DK118410B (da) 1970-08-17
NL6803410A (OSRAM) 1969-09-11
NO123669B (OSRAM) 1971-12-27
BR6906933D0 (pt) 1973-01-18
DE1908508B2 (de) 1973-05-10
SE356659B (OSRAM) 1973-05-28
BE729600A (OSRAM) 1969-09-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]