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Class Information
Number: 369/112.08
Name: Dynamic information storage or retrieval > Specific detail of information handling portion of system > Radiation beam modification of or by storage medium > Having particular optical element or particular placement thereof in radiation beam path to or from storage medium > Diffractive > In radiation beam path to storage medium > Sectioned optical element > Lens section
Description: Subject matter wherein the sectioned diffractive optical element includes a portion of transparent material with opposite surfaces, at least one of which is curved, whereby the radiant energy beam is refracted to converge or diverge.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
8687475 Optical pickup device, optical pickup unit and data streamer apparatus Apr. 1, 2014
8681592 Objective lens element and optical head device including the same Mar. 25, 2014
8681593 Objective lens, optical head and optical disk device Mar. 25, 2014
8599671 Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus Dec. 3, 2013
8467282 Optical disc device, optical head, and information processing device Jun. 18, 2013
8441907 Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lights May. 14, 2013
8432782 Objective lens, optical head, optical disk apparatus, and information processing apparatus Apr. 30, 2013
8395982 Objective lens for optical pickup device, optical pickup device, and optical information recording and reproducing device Mar. 12, 2013
8363526 Optical pickup apparatus Jan. 29, 2013
8339923 Objective optical element and optical pickup device Dec. 25, 2012
8325581 Optical head and optical disc device Dec. 4, 2012
8325582 Complex objective lens, optical head, optical information apparatus, computer, optical disk player, car navigation system, optical disk recorder, and optical disk server Dec. 4, 2012
8310909 Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus Nov. 13, 2012
8300513 Optical head, optical head manufacturing method and optical disc device Oct. 30, 2012
8300514 Optical pickup device Oct. 30, 2012
8289831 Optical head, optical element with diffraction grating, optical disc device and information processing device Oct. 16, 2012
8270279 Optical information recording/reproducing apparatus and objective lens for the same Sep. 18, 2012
8254239 Complex objective lens including saw-tooth diffractive element for using on blue, red and infrared lights Aug. 28, 2012
8223615 Compatible near field optical recording/reproducing apparatus Jul. 17, 2012
8223611 Near-field light generating element and method for forming the element Jul. 17, 2012
8203926 Optical pickup apparatus Jun. 19, 2012
8189448 Optical information recording/reproducing apparatus and objective optical system for the same May. 29, 2012
8169878 Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus May. 1, 2012
8169879 Optical recording system to record information with light May. 1, 2012
8144564 Optical head and optical information device Mar. 27, 2012
8125873 Objective lens for optical pickup device, and optical pickup device Feb. 28, 2012
8111602 Objective lens, optical pickup device, and optical disk drive Feb. 7, 2012
RE43106 Optical pickup compatible with a digital versatile disk and a recordable compact disk using a holographic ring lens Jan. 17, 2012
8089848 Optical pickup and optical information processing apparatus Jan. 3, 2012
8085645 Optical pickup device and optical disk apparatus Dec. 27, 2011
8068401 Objective optical system and optical information recording/reproducing device having the same Nov. 29, 2011
8064315 Condensing optical device, optical pickup, and optical disc apparatus Nov. 22, 2011
8050168 Optical head device, optical information device, computer, disc player, car navigation system, optical disc recorder, and vehicle Nov. 1, 2011
8023389 Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus Sep. 20, 2011
8023388 Objective lens, optical pickup apparatus, and optical information recording reproducing apparatus Sep. 20, 2011
7990814 Optical disk drive Aug. 2, 2011
7990819 Optical head apparatus and optical information apparatus Aug. 2, 2011
7990833 Optical pickup device with diffraction patterns on object lens Aug. 2, 2011
7965611 Optical disk apparatus and starting method thereof Jun. 21, 2011
7924681 Optical pickup apparatus, recording/reproducing apparatus provided with the optical pickup apparatus, optical element, and information recording/reproducing method Apr. 12, 2011
7924683 Optical pickup apparatus with objective optical system and guiding optical system Apr. 12, 2011
7920455 Complex optical element and optical pickup Apr. 5, 2011
7889618 Objective optical element and optical pickup apparatus Feb. 15, 2011
7885007 Optical element and producing method Feb. 8, 2011
7864650 Optical element, optical head, optical information recording and reproduction apparatus, computer, image recording device, image reproduction device, server and car navigation system Jan. 4, 2011
7848208 Optical head device, aberration correction method and optical information processing apparatus Dec. 7, 2010
7843792 Optical information recording /reproducing device and objective lens for the same Nov. 30, 2010
7839751 Objective lens and optical system for optical pick-up Nov. 23, 2010
7839752 Optical disc drive and objective lens for the same Nov. 23, 2010
7813252 Optical pick-up Oct. 12, 2010

1 2 3 4 5










 
 
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