21
An optical information storage system. NCR, November 27, 1963: GB942639-A (2 worldwide citation)

942,639. Optical projection system; photochromic material. NATIONAL CASH REGISTER CO. April 25, 1962 [May 22, 1961], No. 15677/62. Headings G2C and G2J. [Also in Division G1] In order to store information, metachromic means is selectively movable relative to a beam of radiation containing a wave ban ...


22
Clark Michael George: Optical information storage system. Gen Electric Co, June 28, 1989: GB2211374-A (1 worldwide citation)

Data stored on a remotely-located storage sheet (29, 30, 31) which may, for example, be a sheet of a spare-parts manual used in the motor trade, can be updated by transmitting a signal from a central station (20) to a receiver (21, 22, 23) at the remote location. The storage sheet may be in the form ...


23
Monen Marinus Johannes Bernadu: Optical information storage system. Polaroid, July 10, 1996: EP0721182-A1 (1 worldwide citation)

An optical information storage medium (10) (e.g., disk) has an arrangement of optically sensible marks (32) in a uniform time phased, polar array wherein each mark carries timing, tracking and addressing information. Timing is achieved by positioning each pit circumferentially within a known servo c ...


24
Kenneth D Singer, Chris Ryan, Jie Shan, Joseph Lott, Christoph Weder, Brent Valle, Eric Baer: Optical information storage medium. Case Western Reserve University, Tarolli Sundheim Covell & Tummino, April 17, 2018: US09947360

An optical information storage medium includes a multilayer film that includes a plurality of extruded alternating active data storage layers and buffer layers, which separate the active data storage layers. The active data storage layers and buffer layers have thicknesses that allow the active data ...


25
Dong han Lee, Young ok Koh, Sang chul Kim, Hong kyung Lee: Method and apparatus for generating tracking error signal and optical information storage system including the apparatus. Toshiba Samsung Storage Technology Korea Corporation, NSIP Law, October 14, 2014: US08861321

Provided are an apparatus and method of generating a tracking error signal, and an optical information storage system including the apparatus. The apparatus includes a bias signal generator for generating a bias signal for canceling a direct current (DC) offset of a push-pull signal using a tracking ...


26
Mamoru Hokari: Optical information storage apparatus and optical information storage system. Fujitsu, Greer Burns & Crain, April 1, 2008: US07353526

The object of the present invention is to provide an optical information storage apparatus and an optical information storage system with a mass-storage capacity in which adhesion of dust to an optical storage medium or an objective lens is suppressed. According to the present invention, a system ho ...


27
Ki bok Kim, Ji sun Ahn, Ju hee Im, Jin ho Jeong, Seung man Han: Optical pickup and optical information storage system including the same. Toshiba Samsung Storage Technology Korea Corporation, NSIP Law, September 29, 2015: US09147426

Provided are an optical pickup and an optical information storage system including the same. The optical pickup includes a diffracting element that splits incident light into main light and a plurality of sub light. The diffracting element has at least three regions including first through third reg ...


28
Ki bok Kim, Jin ho Jeong, Eun goo Kim, Jung bae Oh, Seung man Han: Optical pickup and optical information storage system including the same. Toshiba Samsung Storage Technology Korea Corporation, NSIP Law, September 22, 2015: US09142243

Provided are an optical pickup and an optical information storage system including the same. The optical pickup includes a photodetector that receives a main light beam and a plurality of sub-light beams reflected from an information storage medium and diffracted by a diffracting element. The photo ...


29
Tadashi Sato: Optical information storage apparatus and optical information storage system. Fujitsu, Greer Burns & Crain, May 13, 2008: US07372783

The present invention provides an optical information storage apparatus incorporates in a housing: a medium storing section in which optical storage media are stored; an information access section that makes an information access to the optical storage medium; and a medium moving section that moves ...


30
Masayuki Fujita: Lens actuator incorporated in optical information storage system for promptly canceling fluctuation of radial tilt angle of rotating disc. NEC Corporation, Sughrue Mion PLLC, August 15, 2006: US07092321

A lens actuator keeps an objective lens focused on a track in an information recording layer of an optical disc against fluctuation unavoidable for the optical disc, and has a lens holder, three electromagnetic actuators for moving and tilting the lens holder and three pairs of elastically deformabl ...