DK145867C - Optisk skanderingsorgan - Google Patents

Optisk skanderingsorgan

Info

Publication number
DK145867C
DK145867C DK201577A DK201577A DK145867C DK 145867 C DK145867 C DK 145867C DK 201577 A DK201577 A DK 201577A DK 201577 A DK201577 A DK 201577A DK 145867 C DK145867 C DK 145867C
Authority
DK
Denmark
Prior art keywords
optical scan
scan
optical
Prior art date
Application number
DK201577A
Other languages
English (en)
Other versions
DK145867B (da
DK201577A (da
Inventor
Antonius Adrianus Marius Alem
Lieuwe Boonstra
Francois Dirk Dekker
Johannes Theodorus Ad Veerdonk
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 DK201577A publication Critical patent/DK201577A/da
Publication of DK145867B publication Critical patent/DK145867B/da
Application granted granted Critical
Publication of DK145867C publication Critical patent/DK145867C/da

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
    • 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
    • G11B7/08—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
    • G11B7/0932—Details of sprung supports
DK201577A 1976-05-12 1977-05-09 Optisk skanderingsorgan DK145867C (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NLAANVRAGE7605043,A NL176315C (nl) 1976-05-12 1976-05-12 Optische aftastinrichting.
NL7605043 1976-05-12

Publications (3)

Publication Number Publication Date
DK201577A DK201577A (da) 1977-11-13
DK145867B DK145867B (da) 1983-03-21
DK145867C true DK145867C (da) 1983-09-12

Family

ID=19826177

Family Applications (1)

Application Number Title Priority Date Filing Date
DK201577A DK145867C (da) 1976-05-12 1977-05-09 Optisk skanderingsorgan

Country Status (25)

Country Link
US (1) US4135083A (da)
JP (5) JPS5836414B2 (da)
AR (1) AR219292A1 (da)
AT (1) AT355639B (da)
AU (1) AU506108B2 (da)
BE (1) BE854471A (da)
BR (1) BR7702984A (da)
CA (1) CA1094683A (da)
CH (1) CH621426A5 (da)
DD (1) DD130888A5 (da)
DE (4) DE2719082C2 (da)
DK (1) DK145867C (da)
ES (1) ES458637A1 (da)
FR (1) FR2351468B1 (da)
GB (1) GB1580384A (da)
HK (1) HK16181A (da)
IT (1) IT1118202B (da)
MX (1) MX144033A (da)
NL (1) NL176315C (da)
NO (1) NO150859C (da)
NZ (1) NZ184038A (da)
PL (1) PL115307B1 (da)
SE (2) SE411264B (da)
YU (1) YU41297B (da)
ZA (1) ZA772263B (da)

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US4581529A (en) * 1983-08-15 1986-04-08 At&T Bell Laboratories Read/write system for optical disc apparatus with fiber optics
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JPS6173248A (ja) * 1984-09-18 1986-04-15 Canon Inc 光学的記録再生装置の対物レンズ駆動装置
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JP2597973B2 (ja) * 1984-10-02 1997-04-09 株式会社東芝 光学ヘツド装置
JPS60121544A (ja) * 1984-10-22 1985-06-29 Hitachi Ltd 光学系走査装置
JPS61208641A (ja) * 1985-03-13 1986-09-17 Olympus Optical Co Ltd 光学的情報記録再生装置
JPH0728589Y2 (ja) * 1985-07-15 1995-06-28 日本コロムビア株式会社 光ピツクアツプ
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JPH0612576B2 (ja) * 1985-08-24 1994-02-16 オリンパス光学工業株式会社 ピックアップ装置
JPS6187232A (ja) * 1985-09-07 1986-05-02 Olympus Optical Co Ltd 対物レンズ支持装置
JPS62137732A (ja) * 1985-12-09 1987-06-20 Canon Inc 光学系支持装置
CA1281815C (en) * 1986-01-16 1991-03-19 Shunzo Takahashi Reader/writer apparatus for optical memory card
US4956833A (en) * 1986-03-31 1990-09-11 Asahi Kogaku Kogyo Kabushiki Kaisha Objective driving device for an optical disk apparatus
US5001694A (en) * 1986-05-06 1991-03-19 Pencom International Corp. Tracking and focus actuator for a holographic optical head
US4799210A (en) * 1986-11-05 1989-01-17 Unisys Corporation Fiber optic read/write head for an optical disk memory system
JPS6326844A (ja) * 1987-06-11 1988-02-04 Mitsubishi Electric Corp 光学式情報再生装置の集光手段支持装置
JPH01166341A (ja) * 1987-12-23 1989-06-30 Oki Electric Ind Co Ltd 光学ヘッド
US5031166A (en) * 1988-01-25 1991-07-09 Laser Magnetic Storage International Company Optical disk tracking and seeking systems and specific track formats using discontinuities and circuitry therefor
JPH0321099A (ja) * 1989-06-19 1991-01-29 Nippon Telegr & Teleph Corp <Ntt> 電子機器取付け構造
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US6298027B1 (en) 1998-03-30 2001-10-02 Seagate Technology Llc Low-birefringence optical fiber for use in an optical data storage system
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Also Published As

Publication number Publication date
AR219292A1 (es) 1980-08-15
DE2760264A1 (da) 1985-05-02
NL7605043A (nl) 1977-11-15
US4135083A (en) 1979-01-16
DK145867B (da) 1983-03-21
DE2760266A1 (da) 1985-03-14
CA1094683A (en) 1981-01-27
FR2351468A1 (fr) 1977-12-09
NL176315C (nl) 1985-03-18
NO150859B (no) 1984-09-17
NO150859C (no) 1985-01-09
DD130888A5 (de) 1978-05-10
DE2760264C2 (de) 1986-08-21
JPH0514334B2 (da) 1993-02-24
HK16181A (en) 1981-05-01
JPS6349293B2 (da) 1988-10-04
BE854471A (fr) 1977-11-10
ES458637A1 (es) 1978-02-01
DE2760265C2 (da) 1987-12-03
NZ184038A (en) 1980-05-08
YU41297B (en) 1987-02-28
PL115307B1 (en) 1981-03-31
AU506108B2 (en) 1979-12-13
YU119377A (en) 1982-06-30
NL176315B (nl) 1984-10-16
JPS57181439A (en) 1982-11-08
DE2719082A1 (de) 1977-11-24
JPS5836414B2 (ja) 1983-08-09
DE2719082C2 (de) 1986-10-02
JPH0322656B2 (da) 1991-03-27
DK201577A (da) 1977-11-13
IT1118202B (it) 1986-02-24
JPH0130229B2 (da) 1989-06-16
NO771618L (no) 1977-11-15
JPS57181437A (en) 1982-11-08
JPS60253032A (ja) 1985-12-13
AT355639B (de) 1980-03-10
AU2498877A (en) 1978-11-16
ATA333077A (de) 1979-08-15
JPS60242526A (ja) 1985-12-02
SE411264B (sv) 1979-12-10
GB1580384A (en) 1980-12-03
JPS52138903A (en) 1977-11-19
SE7705334L (sv) 1977-11-13
DE2760266C2 (da) 1987-12-10
DE2760265A1 (da) 1985-03-28
FR2351468B1 (fr) 1986-02-14
CH621426A5 (da) 1981-01-30
BR7702984A (pt) 1978-01-10
ZA772263B (en) 1978-11-29
MX144033A (es) 1981-08-19

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