SE394336B - Apparat for optisk lesning av en uppteckningsberare - Google Patents

Apparat for optisk lesning av en uppteckningsberare

Info

Publication number
SE394336B
SE394336B SE7414806A SE7414806A SE394336B SE 394336 B SE394336 B SE 394336B SE 7414806 A SE7414806 A SE 7414806A SE 7414806 A SE7414806 A SE 7414806A SE 394336 B SE394336 B SE 394336B
Authority
SE
Sweden
Prior art keywords
record carrier
optical reading
reading
optical
record
Prior art date
Application number
SE7414806A
Other languages
English (en)
Swedish (sv)
Other versions
SE7414806L (pt
Inventor
G Bouwhuis
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.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of SE7414806L publication Critical patent/SE7414806L/xx
Publication of SE394336B publication Critical patent/SE394336B/xx

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/122—Flying-type heads, e.g. analogous to Winchester type in magnetic recording

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Supporting Of Heads In Record-Carrier Devices (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
SE7414806A 1973-11-29 1974-11-26 Apparat for optisk lesning av en uppteckningsberare SE394336B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7316384A NL7316384A (nl) 1973-11-29 1973-11-29 Inrichting voor het optisch uitlezen van een reflekterende registratiedrager.

Publications (2)

Publication Number Publication Date
SE7414806L SE7414806L (pt) 1975-05-30
SE394336B true SE394336B (sv) 1977-06-20

Family

ID=19820101

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7414806A SE394336B (sv) 1973-11-29 1974-11-26 Apparat for optisk lesning av en uppteckningsberare

Country Status (20)

Country Link
US (1) US3950621A (pt)
JP (1) JPS5620614B2 (pt)
AR (1) AR201069A1 (pt)
AT (1) AT346095B (pt)
BE (1) BE822672A (pt)
BR (1) BR7409886A (pt)
CA (1) CA1033065A (pt)
CH (1) CH583447A5 (pt)
CS (1) CS190456B2 (pt)
DE (1) DE2453969C2 (pt)
DK (1) DK136921B (pt)
ES (1) ES432316A1 (pt)
FR (1) FR2253248B1 (pt)
GB (1) GB1490223A (pt)
IT (1) IT1024918B (pt)
NL (1) NL7316384A (pt)
NO (1) NO744237L (pt)
PL (1) PL105849B1 (pt)
SE (1) SE394336B (pt)
ZA (1) ZA747221B (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067639A (en) * 1976-05-27 1978-01-10 Xerox Corporation Holographic scanning spinner
US4530082A (en) * 1982-06-28 1985-07-16 Eastman Kodak Company Optical disc write/read employing passive focus maintenance
JPS6229053Y2 (pt) * 1984-10-16 1987-07-25
GB2216710B (en) * 1988-03-14 1992-09-02 Ici Plc Optical or magneto-optical data system
US5012463A (en) * 1988-03-14 1991-04-30 Bernoulli Optical Systems Company Optical read/write storage system for flexible media having bernoulli stabilization at the optical head

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3155977A (en) * 1959-08-31 1964-11-03 Ibm Resilient recording disk
NL172202C (nl) * 1971-03-11 1983-07-18 Philips Nv Inrichting voor het uitlezen van een plaatvormige informatiedrager bevattende in optische vorm gecodeerde beeld- en/of geluidssignalen.
US3855426A (en) * 1971-03-11 1974-12-17 Philips Corp Video disc recording and optical playback system therefor
NL160138C (nl) * 1972-05-11 1979-09-17 Philips Nv Inrichting voor het uitlezen van een vlakke registratie- drager.

Also Published As

Publication number Publication date
FR2253248A1 (pt) 1975-06-27
DE2453969C2 (de) 1986-04-10
IT1024918B (it) 1978-07-20
CS190456B2 (en) 1979-05-31
CH583447A5 (pt) 1976-12-31
SE7414806L (pt) 1975-05-30
CA1033065A (en) 1978-06-13
US3950621A (en) 1976-04-13
DE2453969A1 (de) 1975-06-19
ES432316A1 (es) 1976-11-01
DK136921C (pt) 1978-05-22
ATA946074A (de) 1978-02-15
AR201069A1 (es) 1975-02-06
NL7316384A (nl) 1975-06-02
DK136921B (da) 1977-12-12
BR7409886A (pt) 1976-05-25
JPS5620614B2 (pt) 1981-05-14
NO744237L (pt) 1975-06-23
DK613474A (pt) 1975-07-28
PL105849B1 (pl) 1979-11-30
AU7580674A (en) 1976-05-27
FR2253248B1 (pt) 1980-03-21
ZA747221B (en) 1976-06-30
AT346095B (de) 1978-10-25
JPS5087606A (pt) 1975-07-14
BE822672A (nl) 1975-05-27
GB1490223A (en) 1977-10-26

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