SE7711746L - Apparat for avlesning av en uppteckningsberare, pa vilken information er lagrad i en optiskt avlesbar struktur - Google Patents

Apparat for avlesning av en uppteckningsberare, pa vilken information er lagrad i en optiskt avlesbar struktur

Info

Publication number
SE7711746L
SE7711746L SE7711746A SE7711746A SE7711746L SE 7711746 L SE7711746 L SE 7711746L SE 7711746 A SE7711746 A SE 7711746A SE 7711746 A SE7711746 A SE 7711746A SE 7711746 L SE7711746 L SE 7711746L
Authority
SE
Sweden
Prior art keywords
reading
stored
information
record carrier
optically readable
Prior art date
Application number
SE7711746A
Other languages
English (en)
Swedish (sv)
Inventor
G Bouwhuis
A J J Franken
C A J Simon
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 SE7711746L publication Critical patent/SE7711746L/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
    • G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Electron Tubes For Measurement (AREA)
SE7711746A 1974-02-15 1977-10-19 Apparat for avlesning av en uppteckningsberare, pa vilken information er lagrad i en optiskt avlesbar struktur SE7711746L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7402169A NL7402169A (nl) 1974-02-15 1974-02-15 Inrichting voor het uitlezen van een registra- tiedrager waarop informatie is aangebracht in een optisch uitleesbare struktuur.

Publications (1)

Publication Number Publication Date
SE7711746L true SE7711746L (sv) 1977-10-19

Family

ID=19820770

Family Applications (2)

Application Number Title Priority Date Filing Date
SE7501524A SE404448B (sv) 1974-02-15 1975-02-12 Apparat for avlesning av en uppteckningsberare, pa vilken information er lagrad i en optiskt avlesbar struktur
SE7711746A SE7711746L (sv) 1974-02-15 1977-10-19 Apparat for avlesning av en uppteckningsberare, pa vilken information er lagrad i en optiskt avlesbar struktur

Family Applications Before (1)

Application Number Title Priority Date Filing Date
SE7501524A SE404448B (sv) 1974-02-15 1975-02-12 Apparat for avlesning av en uppteckningsberare, pa vilken information er lagrad i en optiskt avlesbar struktur

Country Status (16)

Country Link
US (1) US3978278A (xx)
JP (2) JPS5526530B2 (xx)
AT (1) AT339391B (xx)
BE (1) BE825588A (xx)
CA (1) CA1047643A (xx)
CH (1) CH584429A5 (xx)
DE (1) DE2504229A1 (xx)
DK (1) DK138866B (xx)
ES (1) ES434685A1 (xx)
FR (1) FR2261588A1 (xx)
GB (1) GB1502630A (xx)
IT (1) IT1031693B (xx)
NL (1) NL7402169A (xx)
NO (1) NO750457L (xx)
SE (2) SE404448B (xx)
ZA (1) ZA75375B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4310919A (en) * 1979-01-15 1982-01-12 Discovision Associates Optical video disc structure
JPS5724033A (en) * 1980-07-18 1982-02-08 Sharp Corp Pickup device
FR2497378B1 (fr) * 1980-12-29 1985-06-28 Thomson Csf Dispositif compensateur de desequilibre d'un miroir de renvoi appartenant a un systeme optique d'eclairement d'un support d'information
NL8101932A (nl) * 1981-04-21 1982-11-16 Philips Nv Inrichting voor het inschrijven en uitlezen van informatiesporen in een optische registratiedrager.
NL8400674A (nl) * 1984-03-02 1985-10-01 Philips Nv Inrichting voor het inschrijven en/of uitlezen van informatie in een spoor van een reflekterende registratiedrager, met een fokusregeling met verminderde spot offsetgevoeligheid.
JPH0693044B2 (ja) * 1985-03-22 1994-11-16 株式会社日立製作所 プリズム光学系及びそれを用いた情報装置
JP2691318B2 (ja) * 1990-09-26 1997-12-17 株式会社日立製作所 光ディスク装置
JP2542148Y2 (ja) * 1990-12-17 1997-07-23 旭光学工業株式会社 ガルバノミラー装置
FR2769688B1 (fr) * 1997-10-14 2000-03-10 Valeo Vision Projecteur elliptique a coupure attenuee
CN108761750B (zh) * 2018-08-20 2023-07-21 中国科学院上海技术物理研究所 一种搜索与跟踪一体化相机
CN114979442B (zh) * 2022-05-25 2023-10-31 西南科技大学 一种多路图像采集装置及其控制方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243509B (de) * 1960-12-06 1967-06-29 Zeiss Carl Fa Mischbild-Entfernungsmesser, insbesondere fuer Spiegelreflex-Kameras mit in der Sucherbildebene angeordneten Prismen aus doppelbrechendem Material
US3224330A (en) * 1961-12-22 1965-12-21 Bell Telephone Labor Inc Optical reflecting system for redirecting energy
US3381086A (en) * 1962-08-16 1968-04-30 Minnesota Mining & Mfg Reproduction of television signals from photographic disc recordings
US3253525A (en) * 1964-01-03 1966-05-31 Gen Precision Inc Variable optical wedge
US3530258A (en) * 1968-06-28 1970-09-22 Mca Technology Inc Video signal transducer having servo controlled flexible fiber optic track centering

Also Published As

Publication number Publication date
SE404448B (sv) 1978-10-02
DE2504229A1 (de) 1975-08-21
US3978278A (en) 1976-08-31
AT339391B (de) 1977-10-10
CH584429A5 (xx) 1977-01-31
ATA104175A (de) 1977-02-15
JPS5526530B2 (xx) 1980-07-14
SE7501524L (xx) 1975-08-18
IT1031693B (it) 1979-05-10
CA1047643A (en) 1979-01-30
NO750457L (xx) 1975-08-18
DK51475A (xx) 1975-10-13
ES434685A1 (es) 1977-02-01
GB1502630A (en) 1978-03-01
JPS50119662A (xx) 1975-09-19
AU7819675A (en) 1976-08-19
JPS5570944A (en) 1980-05-28
FR2261588A1 (xx) 1975-09-12
ZA75375B (en) 1976-08-25
DK138866B (da) 1978-11-06
NL7402169A (nl) 1975-08-19
DK138866C (xx) 1979-04-23
BE825588A (fr) 1975-08-14

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