ZA786347B - Optical read unit,for reading a moving information carrier,in particular for reading a video disc - Google Patents

Optical read unit,for reading a moving information carrier,in particular for reading a video disc

Info

Publication number
ZA786347B
ZA786347B ZA786347A ZA786347A ZA786347B ZA 786347 B ZA786347 B ZA 786347B ZA 786347 A ZA786347 A ZA 786347A ZA 786347 A ZA786347 A ZA 786347A ZA 786347 B ZA786347 B ZA 786347B
Authority
ZA
South Africa
Prior art keywords
reading
information carrier
video disc
read unit
optical read
Prior art date
Application number
ZA786347A
Other languages
English (en)
Inventor
K Immink
W Kleuters
G Van Rosmalen
M Bierhoff
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 ZA786347B publication Critical patent/ZA786347B/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
    • G11B7/09—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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0937—Piezo-electric actuators
    • 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
    • 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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
    • H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
    • H01L2224/42—Wire connectors; Manufacturing methods related thereto
    • H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
    • H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
    • H01L2224/4805—Shape
    • H01L2224/4809—Loop shape
    • H01L2224/48091—Arched
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/022—Mountings; Housings
    • H01S5/0235—Method for mounting laser chips
    • H01S5/02355—Fixing laser chips on mounts
    • H01S5/0237—Fixing laser chips on mounts by soldering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/024—Arrangements for thermal management
ZA786347A 1977-12-12 1978-11-10 Optical read unit,for reading a moving information carrier,in particular for reading a video disc ZA786347B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7713711A NL7713711A (nl) 1977-12-12 1977-12-12 Optisch uitleeseenheid voor het uitlezen van een bewegende informatiedrager, in het bijzonder voor het uitlezen van een videoplaat.

Publications (1)

Publication Number Publication Date
ZA786347B true ZA786347B (en) 1980-06-25

Family

ID=19829736

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA786347A ZA786347B (en) 1977-12-12 1978-11-10 Optical read unit,for reading a moving information carrier,in particular for reading a video disc

Country Status (17)

Country Link
US (1) US4193091A (xx)
EP (1) EP0002547B1 (xx)
JP (1) JPS5489705A (xx)
AR (1) AR217881A1 (xx)
AT (1) AT371622B (xx)
AU (1) AU519494B2 (xx)
BR (1) BR7808125A (xx)
CA (1) CA1124393A (xx)
DE (1) DE2860916D1 (xx)
DK (1) DK555278A (xx)
ES (1) ES475870A1 (xx)
MX (1) MX149048A (xx)
NL (1) NL7713711A (xx)
NO (1) NO149795C (xx)
NZ (1) NZ189131A (xx)
PL (1) PL114259B1 (xx)
ZA (1) ZA786347B (xx)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54102107A (en) * 1978-01-30 1979-08-11 Hitachi Ltd Control information detecting method
US4302830A (en) * 1978-05-10 1981-11-24 Olympus Optical Company Ltd. Optical information reading-out apparatus
GB2052829B (en) * 1979-04-27 1983-01-12 Olympus Optical Co Apparatus for driving objective lens in tracking direction
FR2470391A1 (fr) * 1979-11-21 1981-05-29 Thomson Csf Dispositif optique stigmatique d'emission-reception de rayonnements coherents et tete optique d'enregistrement-lecture comprenant un tel dispositif
JPS56130840A (en) * 1980-03-17 1981-10-14 Sanyo Electric Co Ltd Pickup controlling mechanism for video disc recorder
US4342935A (en) * 1980-04-10 1982-08-03 Discovision Associates Binary piezoelectric drive for lens focusing system
US4504934A (en) * 1980-05-02 1985-03-12 Matsushita Electric Industrial Co., Ltd. Optical signal reproducing apparatus
CA1132258A (en) * 1980-05-12 1982-09-21 Herman W. Willemsen Scanning head for an optical disc system
NL8004380A (nl) * 1980-07-31 1982-03-01 Philips Nv Optische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen.
JPS5758249A (en) * 1980-09-24 1982-04-07 Olympus Optical Co Ltd Optical system recording and/or reproducing device
US4385373A (en) * 1980-11-10 1983-05-24 Eastman Kodak Company Device for focus and alignment control in optical recording and/or playback apparatus
JPS57103131A (en) * 1980-12-18 1982-06-26 Sony Corp Biaxial driver
JPS57120240A (en) * 1981-01-16 1982-07-27 Sony Corp Optical disk player
US4459690A (en) * 1981-07-30 1984-07-10 Rca Corporation Multi-beam optical record and playback apparatus having an improved beam splitter
NL8104589A (nl) * 1981-10-08 1983-05-02 Philips Nv Optische aftasteenheid.
JPS5880139A (ja) * 1981-11-04 1983-05-14 Sony Corp 光学ヘツド
US4574369A (en) * 1982-01-28 1986-03-04 Ricoh Co., Ltd. Tracking/focusing device for positioning an optical lens unit
FR2522861B1 (fr) * 1982-03-02 1988-01-08 Thomson Csf Tete optique d'ecriture-lecture d'un disque optique et dispositif optique associe a une telle tete
FR2522860B1 (fr) * 1982-03-02 1989-07-13 Thomson Csf Tete optique d'ecriture-lecture d'un disque optique et dispositif optique associe a une telle tete
EP0098076A1 (en) * 1982-06-14 1984-01-11 Nec Corporation Beam access apparatus for optical disc system
US4475179A (en) * 1982-06-30 1984-10-02 Eastman Kodak Company Optical disc write/read methods and apparatus with improved focus and tracking control
US4587466A (en) * 1982-12-09 1986-05-06 Magnetic Peripherals Two axis linear motor for optical focusing and tracking system in optical recording
USRE33548E (en) * 1983-03-30 1991-03-05 Mitsubishi Denki Kabushiki Kaisha Deviation correction apparatus for optical disc light beams
US4566089A (en) * 1983-03-30 1986-01-21 Mitsubishi Denki Kabushiki Kaisha Deviation correction apparatus for optical disc light beams
JPS60137465U (ja) * 1984-02-23 1985-09-11 株式会社東芝 光学的ピックアップヘッド装置
US4740940A (en) * 1985-03-11 1988-04-26 Matsushita Electric Industrial Co., Ltd. Optical information read apparatus
JPS6289250A (ja) * 1985-10-16 1987-04-23 Fuji Photo Film Co Ltd 光デイスク用ピツクアツプ
US5001694A (en) * 1986-05-06 1991-03-19 Pencom International Corp. Tracking and focus actuator for a holographic optical head
JPS63164809U (xx) * 1987-04-15 1988-10-27
DE68921087T4 (de) * 1988-04-06 1996-06-13 Mitsubishi Electric Corp Gerät zur Aufnahme auf eine und Wiedergabe von einer optischen Scheibe.
US4972397A (en) * 1988-12-02 1990-11-20 Drexler Technology Corporation Dithering optical data logger
US5115120A (en) * 1990-06-26 1992-05-19 Photographic Sciences Corporation Scan modules for bar code readers and in which scan elements are flexurally supported
US5807476A (en) * 1995-10-10 1998-09-15 United Laboratories, Inc. Method of removing sulfur compounds from sour crude oil and sour natural gas
DE19537411A1 (de) * 1995-10-09 1997-04-10 Leybold Ag Vorrichtung zum Laserstrahlbelichten eines kreisscheibenförmigen Substrates
DE19537405A1 (de) * 1995-10-09 1997-04-10 Leybold Ag Vorrichtung zum Laserstrahlbelichten eines kreisscheibenförmigen Substrates
US5867460A (en) * 1996-10-04 1999-02-02 Balzers Und Leybold Deutschland Holding Ag Apparatus for laser beam exposure of a substrate disc
KR100265942B1 (ko) * 1997-12-16 2000-09-15 전주범 정보 저장 기기용 기록 및 판독 장치
US6137105A (en) * 1998-06-02 2000-10-24 Science Applications International Corporation Multiple parallel source scanning device
US6584052B1 (en) 1998-06-02 2003-06-24 Science Applications International Corporation Method and apparatus for controlling the focus of a read/write head for an optical scanner
US6091067A (en) * 1998-06-02 2000-07-18 Science Applications International Corporation Scanning device using fiber optic bimorph
US6166756A (en) * 1998-06-02 2000-12-26 Science Applications International Corporation Multiple channel data writing device
US6341118B1 (en) 1998-06-02 2002-01-22 Science Applications International Corporation Multiple channel scanning device using oversampling and image processing to increase throughput
JP2004133963A (ja) * 2002-10-08 2004-04-30 Pioneer Electronic Corp ピックアップ装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349174A (en) * 1964-02-03 1967-10-24 Raytheon Co Beam scanning device
US3655986A (en) * 1964-10-20 1972-04-11 Massachusetts Inst Technology Laser device
US3364497A (en) * 1966-05-18 1968-01-16 Eastman Kodak Co Recording of digital data
JPS5760693B2 (xx) * 1974-02-12 1982-12-21 Sony Corp
DE2660901C2 (xx) * 1975-10-08 1988-04-14 Olympus Optical Co., Ltd., Tokio/Tokyo, Jp
NL178915C (nl) * 1976-01-16 1986-06-02 Philips Nv Automatisch optisch focusseersysteem.

Also Published As

Publication number Publication date
BR7808125A (pt) 1979-07-31
US4193091A (en) 1980-03-11
DK555278A (da) 1979-06-13
AT371622B (de) 1983-07-11
DE2860916D1 (en) 1981-11-05
NO784161L (no) 1979-06-13
PL211597A1 (pl) 1979-07-30
JPS6115494B2 (xx) 1986-04-24
ATA884378A (de) 1982-11-15
MX149048A (es) 1983-08-12
EP0002547B1 (en) 1981-08-05
AU4235678A (en) 1979-06-21
NO149795B (no) 1984-03-12
NL7713711A (nl) 1979-06-14
EP0002547A1 (en) 1979-06-27
AR217881A1 (es) 1980-04-30
ES475870A1 (es) 1979-05-16
NO149795C (no) 1984-07-04
CA1124393A (en) 1982-05-25
JPS5489705A (en) 1979-07-17
AU519494B2 (en) 1981-12-03
NZ189131A (en) 1982-02-23
PL114259B1 (en) 1981-01-31

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