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YU35403B - Apparatus for reading a flat record carrier - Google Patents

Apparatus for reading a flat record carrier

Info

Publication number
YU35403B
YU35403B YU1229/73A YU122973A YU35403B YU 35403 B YU35403 B YU 35403B YU 1229/73 A YU1229/73 A YU 1229/73A YU 122973 A YU122973 A YU 122973A YU 35403 B YU35403 B YU 35403B
Authority
YU
Yugoslavia
Prior art keywords
reading
record carrier
flat record
flat
carrier
Prior art date
Application number
YU1229/73A
Other languages
English (en)
Other versions
YU122973A (en
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 YU122973A publication Critical patent/YU122973A/xx
Publication of YU35403B publication Critical patent/YU35403B/xx

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0901Disposition 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 for track following only
    • G11B7/0903Multi-beam tracking systems
YU1229/73A 1972-05-11 1973-05-10 Apparatus for reading a flat record carrier YU35403B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7206378.A NL160138C (nl) 1972-05-11 1972-05-11 Inrichting voor het uitlezen van een vlakke registratie- drager.

Publications (2)

Publication Number Publication Date
YU122973A YU122973A (en) 1980-06-30
YU35403B true YU35403B (en) 1980-12-31

Family

ID=19816021

Family Applications (1)

Application Number Title Priority Date Filing Date
YU1229/73A YU35403B (en) 1972-05-11 1973-05-10 Apparatus for reading a flat record carrier

Country Status (20)

Country Link
US (1) US3876842A (xx)
JP (1) JPS5313123B2 (xx)
AR (1) AR197982A1 (xx)
AT (1) AT322013B (xx)
AU (1) AU472506B2 (xx)
BE (1) BE799336A (xx)
BR (1) BR7303337D0 (xx)
CA (1) CA987029A (xx)
CH (1) CH563624A5 (xx)
DK (1) DK132596C (xx)
ES (1) ES414579A1 (xx)
FR (1) FR2183993B1 (xx)
GB (1) GB1434834A (xx)
IT (1) IT985880B (xx)
NL (1) NL160138C (xx)
NO (1) NO141673C (xx)
PL (1) PL86325B1 (xx)
SE (1) SE390077B (xx)
YU (1) YU35403B (xx)
ZA (1) ZA732242B (xx)

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NL174591C (nl) * 1973-02-09 1984-07-02 Philips Nv Schijfvormig registratiedragerlichaam.
FR2235448B1 (xx) * 1973-06-29 1976-05-07 Thomson Brandt
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NL7402504A (nl) * 1974-02-25 1975-08-27 Philips Nv Inrichting voor het langs optische weg uitlezen van een registratiedrager.
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NL7600843A (nl) * 1976-01-28 1977-08-01 Philips Nv Inrichting voor het uitlezen van een registratie- drager waarop informatie, bijvoorbeeld en/of ge- luidsinformatie, is aangebracht.
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NL7608561A (nl) * 1976-08-02 1978-02-06 Philips Nv Optische uitleeseenheid voor het aftasten van een registratiedrager voorzien van een stra- lingsreflekterende informatiestruktuur.
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JPS5413180A (en) * 1977-06-28 1979-01-31 Osamu Suzuki Palletizer of bottle
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JPS58220252A (ja) * 1982-06-16 1983-12-21 Hitachi Ltd 光学式ピツクアツプのトラツキング誤差信号検出回路
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JPH0687316B2 (ja) * 1983-02-10 1994-11-02 オリンパス光学工業株式会社 光学式再生装置
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DE3618137A1 (de) * 1985-05-31 1986-12-11 Hitachi, Ltd., Tokio/Tokyo Bildplatten-zugriffsverfahren und bildplattenspeicher
US4779253A (en) * 1985-07-30 1988-10-18 Laser Magnetic Storage International Company Sampled servo for an optical disk drive
DE3679648D1 (de) * 1985-12-10 1991-07-11 Nec Corp Optischer kopf mit einem beugungsgitter zum richten von zwei oder mehreren gebeugten lichtstrahlen auf optische detektoren.
EP0239131A3 (en) * 1986-03-28 1989-05-24 Csk Corporation Optical recording medium and tracking method therefor
DE3776945D1 (de) * 1986-04-18 1992-04-09 Mitsubishi Electric Corp Optischer kopf.
EP0253403B1 (en) * 1986-07-18 1993-07-14 Nec Corporation Diffraction grating using birefringence and optical head in which a linearly polarized beam is directed to a diffraction grating
US4799210A (en) * 1986-11-05 1989-01-17 Unisys Corporation Fiber optic read/write head for an optical disk memory system
JPS6431582U (xx) * 1987-08-20 1989-02-27
JPH0827961B2 (ja) * 1987-11-11 1996-03-21 日本電気ホームエレクトロニクス株式会社 ホログラム式光ヘッドの光検出器
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US5309416A (en) * 1988-04-26 1994-05-03 Canon Kabushiki Kaisha Method and apparatus for initializing intermediate region between tracks on magnetooptical recording medium
US4991160A (en) * 1988-05-31 1991-02-05 Nikon Precision Inc. Integrated optical device for magneto-optical recording and reading head
US5062094A (en) * 1988-11-07 1991-10-29 Minolta Camera Kabushiki Kaisha Optical head for optical disk system
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US5268564A (en) 1990-08-03 1993-12-07 Symbol Technologies, Inc. Bar code scanner actuated by detection of scanner motion
JPH04181522A (ja) * 1990-11-16 1992-06-29 Sony Corp 光ディスク装置
JPH04195938A (ja) * 1990-11-28 1992-07-15 Olympus Optical Co Ltd 光学的情報記録再生装置
NL9002841A (nl) * 1990-12-21 1992-07-16 Philips Nv Werkwijze en inrichting voor het langs optische weg inschrijven, uitlezen, en wissen van een meervlaks registratiedrager, en registratiedrager geschikt voor deze werkwijze en inrichting.
TW213519B (xx) * 1991-08-01 1993-09-21 Philips Nv
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US5729334A (en) * 1992-03-10 1998-03-17 Van Ruyven; Lodewijk Johan Fraud-proof identification system
TW265419B (xx) * 1994-06-07 1995-12-11 Philips Electronics Nv
TW287239B (xx) * 1994-06-07 1996-10-01 Philips Electronics Nv
TW347899U (en) 1994-08-31 1998-12-11 Sony Corp Optical recording/reproducing device
MX9707795A (es) * 1995-04-10 1997-12-31 Matsushita Electric Ind Co Ltd Portador de registros opticos y metodo para grabar y reproducir señales del mismo.
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US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
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US3198880A (en) * 1952-09-03 1965-08-03 Hall William D Photographic disc reproduction of television signals
US3155452A (en) * 1961-12-07 1964-11-03 Shell Oil Co Trace reproducing system
US3452163A (en) * 1965-12-08 1969-06-24 Phillip B Dahlen Optical phonograph apparatus with polarized light
US3530258A (en) * 1968-06-28 1970-09-22 Mca Technology Inc Video signal transducer having servo controlled flexible fiber optic track centering
US3673412A (en) * 1970-03-02 1972-06-27 Trw Inc Radiant energy beam scanning method and apparatus
DE2121379C3 (de) * 1971-04-30 1979-10-18 Heinz 3000 Hannover Preuss Audiovisuelles Wiedergabegerät und dafür bestimmte Bild-Ton-Platte

Also Published As

Publication number Publication date
US3876842A (en) 1975-04-08
ES414579A1 (es) 1976-03-01
JPS4950954A (xx) 1974-05-17
IT985880B (it) 1974-12-20
NO141673B (no) 1980-01-07
PL86325B1 (xx) 1976-05-31
FR2183993A1 (xx) 1973-12-21
NL160138B (nl) 1979-04-17
YU122973A (en) 1980-06-30
SE390077B (sv) 1976-11-29
AU472506B2 (en) 1976-05-27
CH563624A5 (xx) 1975-06-30
JPS5313123B2 (xx) 1978-05-08
FR2183993B1 (xx) 1977-02-18
NO141673C (no) 1980-04-16
DK132596C (da) 1976-05-31
DE2320477A1 (de) 1973-11-29
DK132596B (da) 1976-01-05
GB1434834A (en) 1976-05-05
AU5529673A (en) 1974-11-07
NL160138C (nl) 1979-09-17
ZA732242B (en) 1974-11-27
CA987029A (en) 1976-04-06
AR197982A1 (es) 1974-05-24
NL7206378A (xx) 1973-11-13
BE799336A (fr) 1973-11-09
BR7303337D0 (pt) 1974-07-25
DE2320477B2 (de) 1976-07-01
AT322013B (de) 1975-04-25

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