NO141673C - Anordning for avlesning av en plan opptegningsbaerer - Google Patents

Anordning for avlesning av en plan opptegningsbaerer

Info

Publication number
NO141673C
NO141673C NO1898/73A NO189873A NO141673C NO 141673 C NO141673 C NO 141673C NO 1898/73 A NO1898/73 A NO 1898/73A NO 189873 A NO189873 A NO 189873A NO 141673 C NO141673 C NO 141673C
Authority
NO
Norway
Prior art keywords
bear
reading
plan recording
recording
plan
Prior art date
Application number
NO1898/73A
Other languages
English (en)
Norwegian (no)
Other versions
NO141673B (no
Inventor
Gijsbertus 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 NO141673B publication Critical patent/NO141673B/no
Publication of NO141673C publication Critical patent/NO141673C/no

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
    • G11B7/09—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
    • G11B7/0901—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 for track following only
    • G11B7/0903—Multi-beam tracking systems
NO1898/73A 1972-05-11 1973-05-08 Anordning for avlesning av en plan opptegningsbaerer NO141673C (no)

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
NO141673B NO141673B (no) 1980-01-07
NO141673C true NO141673C (no) 1980-04-16

Family

ID=19816021

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1898/73A NO141673C (no) 1972-05-11 1973-05-08 Anordning for avlesning av en plan opptegningsbaerer

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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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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NL7904724A (nl) * 1979-06-18 1980-12-22 Philips Nv Optische aftastinrichting met fokusseerstelsel.
JPS57117106A (en) * 1981-01-09 1982-07-21 Olympus Optical Co Ltd Optical magnetic recording and reproducing method
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JPS5841447A (ja) * 1981-09-04 1983-03-10 Hitachi Ltd 光スポット制御信号検出方法
KR880000999B1 (ko) 1981-11-25 1988-06-10 미쓰다 가쓰시게 광학적 정보 기억장치
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
JPS5958637A (ja) * 1982-09-28 1984-04-04 Sony Corp 光学式再生装置
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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JPS6194246A (ja) * 1984-10-15 1986-05-13 Sony Corp 光学式ヘッドのトラッキング誤差検出方法
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CA1258909A (en) * 1985-03-29 1989-08-29 Hideki Hosoya Optical information recording medium and method for recording information on said medium and reproducing information therefrom
US4707816A (en) * 1985-03-29 1987-11-17 Hitachi, Ltd. Method and apparatus for composite wobbled and push-pull tracking servo system
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
EP0228620B1 (en) * 1985-12-10 1991-06-05 Nec Corporation Optical head comprising a diffraction grating for directing two or more diffracted beams to optical detectors
EP0239131A3 (en) * 1986-03-28 1989-05-24 Csk Corporation Optical recording medium and tracking method therefor
EP0241942B1 (en) * 1986-04-18 1992-03-04 Mitsubishi Denki Kabushiki Kaisha Optical type head device
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
NL8800133A (nl) 1988-01-21 1989-08-16 Philips Nv Inrichting voor het met optische straling aftasten van een informatievlak.
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
CA2011296A1 (en) 1989-05-15 1990-11-15 Douglas C. Bossen Presence/absence bar code
JPH0383226A (ja) * 1989-08-25 1991-04-09 Sony Corp 記録媒体
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US5293366A (en) * 1990-07-26 1994-03-08 Canon Kabushiki Kaisha Information recording and reproducing apparatus provided with means for adding to a tracking signal offset corresponding to the positional deviation of a recording spot and a reproducing spot
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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JPH05101431A (ja) * 1991-10-07 1993-04-23 Sony Corp 光デイスク再生装置
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
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DE69733642T2 (de) * 1996-12-24 2006-05-18 Koninklijke Philips Electronics N.V. Optisches aufzeichnungsmedium mit phasenwechsel-aufzeichnungsschicht
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
US20060158973A1 (en) * 2003-06-26 2006-07-20 Koninklijke Philips Electronics N.V. Actuator position control method and corresponding apparatus
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US3452163A (en) * 1965-12-08 1969-06-24 Phillip B Dahlen Optical phonograph apparatus with polarized light
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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
CH563624A5 (xx) 1975-06-30
DE2320477A1 (de) 1973-11-29
NO141673B (no) 1980-01-07
YU35403B (en) 1980-12-31
PL86325B1 (xx) 1976-05-31
DE2320477B2 (de) 1976-07-01
DK132596C (da) 1976-05-31
ES414579A1 (es) 1976-03-01
ZA732242B (en) 1974-11-27
NL7206378A (xx) 1973-11-13
GB1434834A (en) 1976-05-05
US3876842A (en) 1975-04-08
AU472506B2 (en) 1976-05-27
IT985880B (it) 1974-12-20
BR7303337D0 (pt) 1974-07-25
AR197982A1 (es) 1974-05-24
YU122973A (en) 1980-06-30
JPS4950954A (xx) 1974-05-17
BE799336A (fr) 1973-11-09
DK132596B (da) 1976-01-05
FR2183993B1 (xx) 1977-02-18
NL160138C (nl) 1979-09-17
SE390077B (sv) 1976-11-29
JPS5313123B2 (xx) 1978-05-08
CA987029A (en) 1976-04-06
NL160138B (nl) 1979-04-17
AT322013B (de) 1975-04-25
AU5529673A (en) 1974-11-07
FR2183993A1 (xx) 1973-12-21

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