Fresnel lenses

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CPC
G11B2007/13722

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GPHYSICS G11Information storage G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER

Current Industry

G11B2007/13722Fresnel lenses

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Wireless device
- Patent number 10,530,058
- Issue date Jan 7, 2020
- Kabushiki Kaisha Toshiba
- Yukako Tsutsumi
- G11 - INFORMATION STORAGE
Information Patent Grant
Micro-Fresnel zone plate optical devices using densely accumulated...
- Patent number 8,018,815
- Issue date Sep 13, 2011
- The United States of America as represented by the administrator of the Natio...
- Sang H. Choi
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal lens element and optical head device
- Patent number 7,773,489
- Issue date Aug 10, 2010
- Asahi Glass Company, Limited
- Kouichi Murata
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup device and optical disk drive
- Patent number 7,738,347
- Issue date Jun 15, 2010
- Panasonic Corporation
- Mayumi Tsukamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal lens element optical head device
- Patent number 7,738,344
- Issue date Jun 15, 2010
- Asahi Glass Company, Limited
- Yoshiharu Ooi
- G11 - INFORMATION STORAGE
Information Patent Grant
Liquid crystal lens element and optical head device
- Patent number 7,719,657
- Issue date May 18, 2010
- Asahi Glass Company, Limited
- Yoshiharu Ooi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for measuring interfacial positions, method an...
- Patent number 7,420,691
- Issue date Sep 2, 2008
- Matsushita Electric Industrial Co., Ltd.
- Atsushi Fukui
- G11 - INFORMATION STORAGE
Information Patent Grant
Integrated type optical head with sheet waveguide and light coupler
- Patent number 7,408,847
- Issue date Aug 5, 2008
- Samsung Electronics Co., Ltd.
- Petrov Nikolai
- G11 - INFORMATION STORAGE
Information Patent Grant
Integrated type optical head with sheet waveguide and light coupler
- Patent number 7,184,386
- Issue date Feb 27, 2007
- Samsung Electronics Co., Ltd.
- Petrov Nikolai
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical pickup
- Patent number 7,050,378
- Issue date May 23, 2006
- Victor Company of Japan, Limited
- Makoto Itonaga
- G11 - INFORMATION STORAGE
Information Patent Grant
Micro optical pickup head module, method of manufacturing the same...
- Patent number 7,012,762
- Issue date Mar 14, 2006
- National Tsing Hua University
- Fan-Gang Tseng
- G11 - INFORMATION STORAGE
Information Patent Grant
High numerical aperture optical focusing device having a conical in...
- Patent number 6,377,535
- Issue date Apr 23, 2002
- Read-Rite Corporation
- Hong Chen
- B82 - NANO-TECHNOLOGY
Information Patent Grant
High numerical aperture optical focusing device for use in data sto...
- Patent number 6,229,782
- Issue date May 8, 2001
- Read-Rite Corporation
- Yugang Wang
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Objective lens for a pickup optical system
- Patent number 5,936,782
- Issue date Aug 10, 1999
- Fuji Photo Optical Co., Ltd.
- Yoshimitsu Nomura
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical devices having array detectors with light receiving photo a...
- Patent number 5,566,151
- Issue date Oct 15, 1996
- International Business Machines Corporation
- Allen K. Bates
- G11 - INFORMATION STORAGE
Information Patent Grant
Hybrid refractive/diffractive achromatic lens for optical data stor...
- Patent number 5,349,471
- Issue date Sep 20, 1994
- The University of Rochester
- G. Michael Morris
- G02 - OPTICS
Information Patent Grant
Error detecting device for optical head
- Patent number 5,195,072
- Issue date Mar 16, 1993
- Tosoh Corporation
- Kenji Fukui
- G11 - INFORMATION STORAGE
Information Patent Grant
Optical/magnetic composite head having magnetic and optical heads i...
- Patent number 5,193,082
- Issue date Mar 9, 1993
- Sharp Kabushiki Kaisha
- Tomoyuki Miyake
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL SYSTEM FOR HOLOGRAPHIC STORAGE AND DESIGN METHOD FOR FRESNE...
- Publication number 20230047873
- Publication date Feb 16, 2023
- Amethystum Storage Technology Co., Ltd.
- Dejiao HU
- G11 - INFORMATION STORAGE
Information Patent Application
COMPOSITE OPTICAL ELEMENT AND OPTICAL HEAD DEVICE
- Publication number 20120112048
- Publication date May 10, 2012
- ASAHI GLASS COMPANY, LIMITED
- Koji MIYASAKA
- G02 - OPTICS
Information Patent Application
Devices And Methods For A Micro-Fresnel Zone Plate Optical Device
- Publication number 20100118683
- Publication date May 13, 2010
- Administrator of the National Aeronautics
- Sang H. Choi
- G11 - INFORMATION STORAGE
Information Patent Application
MULTIFOCAL OBJECTIVE LENS AND OPTICAL INFORMATION RECORDING/REPRODU...
- Publication number 20090252021
- Publication date Oct 8, 2009
- HOYA CORPORATION
- Satoshi INOUE
- G11 - INFORMATION STORAGE
Information Patent Application
Objective optical system and optical pickup including the same
- Publication number 20080130467
- Publication date Jun 5, 2008
- Michihiro Yamagata
- G11 - INFORMATION STORAGE
Information Patent Application
Objective Optical System and Optical Information Recording/Reproduc...
- Publication number 20080130465
- Publication date Jun 5, 2008
- PENTAX CORPORATION
- Daisuke Koreeda
- G11 - INFORMATION STORAGE
Information Patent Application
Objective lens optical system
- Publication number 20080106997
- Publication date May 8, 2008
- Hitachi Maxell, Ltd.
- Tomonori Kanai
- G02 - OPTICS
Information Patent Application
OPTICAL PICKUP DEVICE AND OPTICAL DISK DRIVE
- Publication number 20080062827
- Publication date Mar 13, 2008
- Matsushita Electric Industrial Co., Ltd.
- Mayumi TSUKAMOTO
- G11 - INFORMATION STORAGE
Information Patent Application
LIQUID CRYSTAL LENS ELEMENT AND OPTICAL HEAD DEVICE
- Publication number 20070183293
- Publication date Aug 9, 2007
- Asahi Glass Co., LTD.
- Kouichi MURATA
- G02 - OPTICS
Information Patent Application
Method and apparatus for measuring interfacial positions, method an...
- Publication number 20070153298
- Publication date Jul 5, 2007
- Atsushi Fukui
- G01 - MEASURING TESTING
Information Patent Application
Liquid crystal lens element and optical head device
- Publication number 20070146625
- Publication date Jun 28, 2007
- ASAHI GLASS COMPANY LIMITED
- Yoshiharu Ooi
- G02 - OPTICS
Information Patent Application
LIQUID CRYSTAL LENS ELEMENT OPTICAL HEAD DEVICE
- Publication number 20070127348
- Publication date Jun 7, 2007
- ASAHI GLASS COMPANY LIMITED
- Yoshiharu Ooi
- G02 - OPTICS
Information Patent Application
Optical system for collimating elliptical light beam and optical de...
- Publication number 20070091770
- Publication date Apr 26, 2007
- HON HAI Precision Industry CO., LTD.
- Wen-Hsin Sun
- G11 - INFORMATION STORAGE
Information Patent Application
Integrated type optical head with sheet waveguide and light coupler
- Publication number 20060280057
- Publication date Dec 14, 2006
- Samsung Electronics Co., Ltd.
- Petrov Nikolai
- G02 - OPTICS
Information Patent Application
Hybrid lens unit and hybrid lens array
- Publication number 20060139637
- Publication date Jun 29, 2006
- Samsung Electro-Mechanics CO., LTD.
- Eun-hyoung Cho
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Micro optical pickup head module, method of manufacturing the same...
- Publication number 20040257674
- Publication date Dec 23, 2004
- Fan-Gang Tseng
- G02 - OPTICS
Information Patent Application
Integrated type optical head with coupler
- Publication number 20040042377
- Publication date Mar 4, 2004
- SAMSUNG ELECTRONICS CO., LTD.
- Petrov Nikolai
- G02 - OPTICS
Information Patent Application
Optical pickup
- Publication number 20030174632
- Publication date Sep 18, 2003
- Makoto Itonaga
- G11 - INFORMATION STORAGE

Fresnel lenses

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Wireless device

Micro-Fresnel zone plate optical devices using densely accumulated...

Liquid crystal lens element and optical head device

Optical pickup device and optical disk drive

Liquid crystal lens element optical head device

Liquid crystal lens element and optical head device

Method and apparatus for measuring interfacial positions, method an...

Integrated type optical head with sheet waveguide and light coupler

Integrated type optical head with sheet waveguide and light coupler

Optical pickup

Micro optical pickup head module, method of manufacturing the same...

High numerical aperture optical focusing device having a conical in...

High numerical aperture optical focusing device for use in data sto...

Objective lens for a pickup optical system

Optical devices having array detectors with light receiving photo a...

Hybrid refractive/diffractive achromatic lens for optical data stor...

Error detecting device for optical head

Optical/magnetic composite head having magnetic and optical heads i...

Patents Applicationslast 30 patents

OPTICAL SYSTEM FOR HOLOGRAPHIC STORAGE AND DESIGN METHOD FOR FRESNE...

COMPOSITE OPTICAL ELEMENT AND OPTICAL HEAD DEVICE

Devices And Methods For A Micro-Fresnel Zone Plate Optical Device

MULTIFOCAL OBJECTIVE LENS AND OPTICAL INFORMATION RECORDING/REPRODU...

Objective optical system and optical pickup including the same

Objective Optical System and Optical Information Recording/Reproduc...

Objective lens optical system

OPTICAL PICKUP DEVICE AND OPTICAL DISK DRIVE

LIQUID CRYSTAL LENS ELEMENT AND OPTICAL HEAD DEVICE

Method and apparatus for measuring interfacial positions, method an...

Liquid crystal lens element and optical head device

LIQUID CRYSTAL LENS ELEMENT OPTICAL HEAD DEVICE

Optical system for collimating elliptical light beam and optical de...

Integrated type optical head with sheet waveguide and light coupler

Hybrid lens unit and hybrid lens array

Micro optical pickup head module, method of manufacturing the same...

Integrated type optical head with coupler

Optical pickup