SG80016A1 - Method and apparatus for measuring characteristics of optical pickup - Google Patents

Method and apparatus for measuring characteristics of optical pickup

Info

Publication number
SG80016A1
SG80016A1 SG9900991A SG1999000991A SG80016A1 SG 80016 A1 SG80016 A1 SG 80016A1 SG 9900991 A SG9900991 A SG 9900991A SG 1999000991 A SG1999000991 A SG 1999000991A SG 80016 A1 SG80016 A1 SG 80016A1
Authority
SG
Singapore
Prior art keywords
optical pickup
measuring characteristics
measuring
pickup
optical
Prior art date
Application number
SG9900991A
Inventor
Nakayama Akihito
Original Assignee
Sony Prec Engineering Ct Singa
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 Sony Prec Engineering Ct Singa filed Critical Sony Prec Engineering Ct Singa
Priority to SG9900991A priority Critical patent/SG80016A1/en
Publication of SG80016A1 publication Critical patent/SG80016A1/en

Links

SG9900991A 1999-03-24 1999-03-24 Method and apparatus for measuring characteristics of optical pickup SG80016A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG9900991A SG80016A1 (en) 1999-03-24 1999-03-24 Method and apparatus for measuring characteristics of optical pickup

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG9900991A SG80016A1 (en) 1999-03-24 1999-03-24 Method and apparatus for measuring characteristics of optical pickup

Publications (1)

Publication Number Publication Date
SG80016A1 true SG80016A1 (en) 2001-04-17

Family

ID=20430291

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9900991A SG80016A1 (en) 1999-03-24 1999-03-24 Method and apparatus for measuring characteristics of optical pickup

Country Status (1)

Country Link
SG (1) SG80016A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511059A (en) * 1994-06-14 1996-04-23 Eastman Kodak Company Multi-element grating beam splitter with a reflection grating element for use in front facet substraction
US5761174A (en) * 1994-09-02 1998-06-02 Kabushiki Kaisha Sankyo Seiki Seisakusho Optical pickup device with split hologram element that diffracts light in direction parallel to track
JPH10283644A (en) * 1997-04-02 1998-10-23 Sony Corp Focus controller, its method and optical disk device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5511059A (en) * 1994-06-14 1996-04-23 Eastman Kodak Company Multi-element grating beam splitter with a reflection grating element for use in front facet substraction
US5761174A (en) * 1994-09-02 1998-06-02 Kabushiki Kaisha Sankyo Seiki Seisakusho Optical pickup device with split hologram element that diffracts light in direction parallel to track
JPH10283644A (en) * 1997-04-02 1998-10-23 Sony Corp Focus controller, its method and optical disk device

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