JP2007157288A5 - - Google Patents

Download PDF

Info

Publication number
JP2007157288A5
JP2007157288A5 JP2005354031A JP2005354031A JP2007157288A5 JP 2007157288 A5 JP2007157288 A5 JP 2007157288A5 JP 2005354031 A JP2005354031 A JP 2005354031A JP 2005354031 A JP2005354031 A JP 2005354031A JP 2007157288 A5 JP2007157288 A5 JP 2007157288A5
Authority
JP
Japan
Prior art keywords
optical system
light source
light beam
beam emitted
optical
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP2005354031A
Other languages
English (en)
Japanese (ja)
Other versions
JP4943700B2 (ja
JP2007157288A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2005354031A priority Critical patent/JP4943700B2/ja
Priority claimed from JP2005354031A external-priority patent/JP4943700B2/ja
Publication of JP2007157288A publication Critical patent/JP2007157288A/ja
Publication of JP2007157288A5 publication Critical patent/JP2007157288A5/ja
Application granted granted Critical
Publication of JP4943700B2 publication Critical patent/JP4943700B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

JP2005354031A 2005-12-07 2005-12-07 光ピックアップの設計方法、及び、光ピックアップ Expired - Fee Related JP4943700B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005354031A JP4943700B2 (ja) 2005-12-07 2005-12-07 光ピックアップの設計方法、及び、光ピックアップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005354031A JP4943700B2 (ja) 2005-12-07 2005-12-07 光ピックアップの設計方法、及び、光ピックアップ

Publications (3)

Publication Number Publication Date
JP2007157288A JP2007157288A (ja) 2007-06-21
JP2007157288A5 true JP2007157288A5 (enrdf_load_stackoverflow) 2009-10-08
JP4943700B2 JP4943700B2 (ja) 2012-05-30

Family

ID=38241438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005354031A Expired - Fee Related JP4943700B2 (ja) 2005-12-07 2005-12-07 光ピックアップの設計方法、及び、光ピックアップ

Country Status (1)

Country Link
JP (1) JP4943700B2 (enrdf_load_stackoverflow)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11621837B2 (en) 2020-09-03 2023-04-04 Theon Technology Llc Secure encryption of data using partial-key cryptography
US11310042B2 (en) 2020-09-11 2022-04-19 Crown Sterling Limited, LLC Methods of storing and distributing large keys
CN113654482B (zh) * 2021-08-30 2024-06-28 东北大学秦皇岛分校 一种基于色差和谱域干涉的光学3d成像装置及方法
US11755772B2 (en) 2021-09-20 2023-09-12 Crown Sterling Limited, LLC Securing data in a blockchain with a one-time pad
US11943336B2 (en) 2021-11-22 2024-03-26 Theon Technology Llc Use of gradient decent function in cryptography
US11791988B2 (en) 2021-11-22 2023-10-17 Theon Technology Llc Use of random entropy in cryptography
US11902420B2 (en) 2021-11-23 2024-02-13 Theon Technology Llc Partial cryptographic key transport using one-time pad encryption
US12261952B2 (en) 2022-11-04 2025-03-25 Crown Sterling Limited, LLC Multiple vector one-time key pad
US12250310B2 (en) 2023-01-09 2025-03-11 Crown Sterling Limited, LLC Use of irrational numbers in elliptic curve cryptography

Similar Documents

Publication Publication Date Title
JP2006024333A5 (enrdf_load_stackoverflow)
EP1304689A3 (en) Objective lens, objective element, objective pick-up apparatus and optical information recording and/or reproducing apparatus equipped therewith
EP1117096A3 (en) Optical pickup
JP2006309809A5 (enrdf_load_stackoverflow)
JP2007157288A5 (enrdf_load_stackoverflow)
EP1806743A4 (en) LENS LENS, OPTICAL SENSOR AND OPTICAL DISK DRIVE
JP2010192109A5 (enrdf_load_stackoverflow)
EP1596383A3 (en) Optical pickup apparatus
TW200701217A (en) Optical pickup
TW200717507A (en) Optical pickup apparatus and optical information recording and/or reproducing apparatus
JP2002342969A (ja) 光ピックアップ装置用の対物レンズ及び光ピックアップ装置
TW200641853A (en) Optical pickup and disk drive device
EP1655727A4 (en) OPTICAL DETECTION DEVICE
JP2004039046A5 (enrdf_load_stackoverflow)
TW583418B (en) Objective lens, optical pickup device and method for producing optical element for optical pickup device
TW200901178A (en) Apparatus comprising a pickup providing three beams for reading data from or writing data to an optical storage medium, and respective optical storage medium
TW200605056A (en) Optical pickup and recording and/or reproducing apparatus using same
JP2006127721A5 (enrdf_load_stackoverflow)
JP2003242643A5 (enrdf_load_stackoverflow)
JP2003151164A5 (enrdf_load_stackoverflow)
JP2000353333A5 (enrdf_load_stackoverflow)
JP2004281034A5 (enrdf_load_stackoverflow)
EP0786766A3 (en) Optical pickup device and reproducing apparatus for optical recording medium
TW200739568A (en) Optical pickup apparatus and optical disc apparatus
JP2004039161A5 (enrdf_load_stackoverflow)