NL1007369A1 - Optisch opneemstelsel met gereduceerde afmetingen. - Google Patents

Optisch opneemstelsel met gereduceerde afmetingen.

Info

Publication number
NL1007369A1
NL1007369A1 NL1007369A NL1007369A NL1007369A1 NL 1007369 A1 NL1007369 A1 NL 1007369A1 NL 1007369 A NL1007369 A NL 1007369A NL 1007369 A NL1007369 A NL 1007369A NL 1007369 A1 NL1007369 A1 NL 1007369A1
Authority
NL
Netherlands
Prior art keywords
optical recording
recording system
reduced dimensions
dimensions
reduced
Prior art date
Application number
NL1007369A
Other languages
English (en)
Other versions
NL1007369C2 (nl
Inventor
Yang-Oh Choi
Original Assignee
Daewoo Electronics Co Ltd
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 Daewoo Electronics Co Ltd filed Critical Daewoo Electronics Co Ltd
Publication of NL1007369A1 publication Critical patent/NL1007369A1/nl
Application granted granted Critical
Publication of NL1007369C2 publication Critical patent/NL1007369C2/nl

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
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1381—Non-lens elements for altering the properties of the beam, e.g. knife edges, slits, filters or stops
    • 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
    • G11B7/0908—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 focusing only
    • 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
    • G11B7/0908—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 focusing only
    • G11B7/0916—Foucault or knife-edge methods

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
NL1007369A 1996-10-28 1997-10-27 Optisch opneemstelsel. NL1007369C2 (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR19960049205 1996-10-28
KR1019960049205A KR19980029874A (ko) 1996-10-28 1996-10-28 광 픽-업장치

Publications (2)

Publication Number Publication Date
NL1007369A1 true NL1007369A1 (nl) 1998-04-29
NL1007369C2 NL1007369C2 (nl) 1998-07-08

Family

ID=19479283

Family Applications (2)

Application Number Title Priority Date Filing Date
NL1007368A NL1007368C2 (nl) 1996-10-28 1997-10-27 Optisch opneemstelsel.
NL1007369A NL1007369C2 (nl) 1996-10-28 1997-10-27 Optisch opneemstelsel.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL1007368A NL1007368C2 (nl) 1996-10-28 1997-10-27 Optisch opneemstelsel.

Country Status (6)

Country Link
US (1) US6021105A (nl)
JP (1) JPH10134393A (nl)
KR (1) KR19980029874A (nl)
CN (1) CN1181582A (nl)
FR (1) FR2755283B1 (nl)
NL (2) NL1007368C2 (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015039245A1 (en) * 2013-09-18 2015-03-26 Ats Automation Tooling Systems Inc. System and method for decoration inspection on transparent media

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60167132A (ja) * 1984-02-10 1985-08-30 Ricoh Co Ltd 光情報検出装置
JPS6246401U (nl) * 1985-09-07 1987-03-20
JPS62202338A (ja) * 1986-02-28 1987-09-07 Pioneer Electronic Corp 光学式ピツクアツプ装置
JPS63148438A (ja) * 1986-12-10 1988-06-21 Fuji Elelctrochem Co Ltd 光学ヘツド
JPS63149837A (ja) * 1986-12-13 1988-06-22 Fuji Elelctrochem Co Ltd 光学ヘツド
JPH02162541A (ja) * 1988-12-16 1990-06-22 Hitachi Ltd 光学式信号再生装置及びそれに用いる光学部品
US4929067A (en) * 1989-01-03 1990-05-29 Verbatim Corporation Method and apparatus for anamorphically shaping and deflecting electromagnetic beams
EP0439876A1 (en) * 1990-01-29 1991-08-07 Hitachi Maxell Ltd. Optical head with a double-beam splitter
US5200946A (en) * 1991-10-02 1993-04-06 Honeywell Inc. Simple magneto-optic rewritable head for roughedized environments
JP3246608B2 (ja) * 1991-11-18 2002-01-15 パイオニア株式会社 光学式情報再生装置
DE69217453T2 (de) * 1991-11-18 1997-08-28 Pioneer Electronic Corp Optisches Informationsaufnahmegerät mit abgetrennt-eingeordneten Fotodetektoreinrichtungen
JPH05266502A (ja) * 1992-03-24 1993-10-15 Fuji Electric Co Ltd 光ディスク装置の光ヘッド
JPH06195728A (ja) * 1992-12-24 1994-07-15 Matsushita Electric Ind Co Ltd 光学ヘッド
JPH07105547A (ja) * 1993-10-01 1995-04-21 Mitsutoyo Corp オートフォーカス機構
KR950015242A (ko) * 1993-11-16 1995-06-16 배순훈 광픽업
JP2869318B2 (ja) * 1993-12-17 1999-03-10 シャープ株式会社 光ピックアップ装置

Also Published As

Publication number Publication date
NL1007368C2 (nl) 1998-07-08
JPH10134393A (ja) 1998-05-22
NL1007368A1 (nl) 1998-04-29
NL1007369C2 (nl) 1998-07-08
FR2755283A1 (fr) 1998-04-30
CN1181582A (zh) 1998-05-13
KR19980029874A (ko) 1998-07-25
US6021105A (en) 2000-02-01
FR2755283B1 (fr) 1999-10-15

Similar Documents

Publication Publication Date Title
DE69737348D1 (de) Optisches Querverbindungssystem
IT1267648B1 (it) Amplificatore ottico.
DE69432287T2 (de) Multimediensystem
DE69728971D1 (de) Optisches aufzeichnungsmedium
DE69731446D1 (de) Optisches system
DE69708927T2 (de) Informationsbereitstellungssystem
DE69731598D1 (de) Optisches Aufzeichnungsmedium
DE69726625D1 (de) Photographisches optisches System
DE69703816D1 (de) Optisches Aufzeichnungsmedium
DE69711554T2 (de) Optisches Aufzeichnungsmedium
DE69728807D1 (de) Optisches Aufzeichnungsmedium
NO983853D0 (no) Optisk forbindelse
DE69704981D1 (de) Bildaufzeichnungssystem
DE69726130D1 (de) Optisches aufzeichnungsmedium
NL1004954A1 (nl) Optisch opneemapparaat.
DE69418508D1 (de) Optisches Plattensystem
DE69805163T2 (de) Optisches system
DE69703824T2 (de) Optisches Aufzeichnungsmedium
NO963328D0 (no) Optisk fölgesystem
DE69730935D1 (de) Optisches Aufzeichnungsmedium
DE69815503D1 (de) Optisches rückblicksystem
NO302545B1 (no) Optisk datalagring
DE69701766T2 (de) Optisches Aufzeichnungsmedium
NL1007369A1 (nl) Optisch opneemstelsel met gereduceerde afmetingen.
NL1007172A1 (nl) Optisch opneemstelsel.

Legal Events

Date Code Title Description
AD1B A search report has been drawn up
PD2B A search report has been drawn up
ZD Corrections to earlier publications

Free format text: PAT. BUL. 09/98, HEADING PD, SECTION 4, PAGE 1350. THE NUMBER OF THE ASSIGNED PRIORITY APPLICATION SHOULD BE MODIFIED INTO: 9649203

VD1 Lapsed due to non-payment of the annual fee

Effective date: 20020501