Sony Corporation

Mitsubishi Electric Corporation

The Furukawa Electric Co., Ltd.

Canon Kabushiki Kaisha

Hiroyuki Sakakibara

Hiroyuki Ueda

Shinji Saito

Motoo Aiba

Satoshi Kawakita

Jun Adachi

Kiyoto Kawauchi

Kiyoshi Toyota

Katsutoshi Sato

Shoji Sakurai

Kenta Fukami

Fumihiko Hanzawa

Masashi Abe

Kenichi Ogawa

Toyokazu Takahashi

Hiroki Manabe

Kouhei Anju

Hiroki Nishikawa

Aiko Iwasaki

Taiji Minakawa

Masahiro Minamide

The incident response assisting device includes: an incident extraction unit, a response procedure creation unit, and a screen display unit. The incident extraction unit performs an incident extraction process on an alert indicating that an incident has occurred in a monitored object and on log data of the monitored object, to extract incident information. The response procedure creation unit creates an incident response procedure corresponding to the incident on the basis of the incident information and a response procedure template. The screen display unit selects a display range from the incident response procedure in accordance with a progress status of response and displays the display range as a display response procedure. The incident extraction process is composed of a series of comparison processes in which a content of a comparison process to be subsequently performed is changed in accordance with a result of a previously performed comparison process.

Incident response assisting device

Protrusion portions and recess portions are formed on a metal layer. The protrusion portions are repeatedly formed in a lattice shape at a pitch of P. Similarly, the recess portions are repeatedly formed in the lattice shape at the pitch of P. The protrusion portions and the recess portions are arranged in the same arrangement direction and arranged shifted to each other by half the pitch in the arrangement direction. The protrusion portions and the recess portions are formed independently of each other without contacting each other. In order to allow a multilayer tape to reliably follow the bending deformations of a power cable (submarine cable) in all directions, in an arbitrary cross-section taken in the longitudinal direction of the multilayer tape (in the axial direction of an impermeable layer), the protrusion portions or the recess portions are necessarily arranged at predetermined intervals.

Submarine cable and multilayer tape for impermeable layer of same

In a log analysis cooperation system including a logger that collects a log of a communication device and stores the log in a storage device, a SIEM apparatus that detects an attack, and a log analysis apparatus that analyzes the log collected by the logger, a log analysis cooperation apparatus stores an attack scenario in a storage device, receives from the SIEM apparatus warning information including information on the detected attack, computes a predicted occurrence time of an attack predicted to occur subsequent to the detected attack based on the warning information and the attack scenario, and transmits to the log analysis apparatus a scheduled search to search the log at predicted occurrence time computed. The log analysis apparatus transmits a scheduled search to the logger to search the log at the predicted occurrence time.

Attack analysis system, cooperation apparatus, attack analysis cooperation method, and program

Provided is an objective lens including a diffraction portion provided on a laser beam incident plane or output plane. The diffraction portion includes first second, and third diffraction regions, wherein first laser beams corresponding to a first optical disc having a first transmissive layer are condensed on a data recording portion of the first optical disc, second laser beams corresponding to a second optical disc having a second transmissive layer thicker than the first transmissive layer are condensed on a data recording portion of the second optical disc, and third laser beams corresponding to a third optical disc having a third transmissive layer thicker than the second transmissive layer are condensed on a data recording portion of the third optical disc. An evaluation parameter calculated on the basis of an in-plane efficiency distribution function has a value corresponding to a symbol error rate that is less than a predetermined value.

Objective lens, optical pickup device, and optical disc device

Provided is an objective lens for which expressions 0.83&#x3c;(p/p)&#x3c;1.17 and 0.83&#x3c;(p/p)&#x3c;1.17 or expressions 0.80&#x3c;(p/p)&#x3c;1.20 and 0.86&#x3c;(p/p)&#x3c;1.14 are satisfied, where pis the ratio of fifth-order spherical aberration to third-order spherical aberration, the spherical aberrations being caused by a difference in the thickness of a cover layer of an optical recording medium, pis the ratio of fifth-order spherical aberration to third-order spherical aberration, the spherical aberrations being caused by a change in the temperature of an environment of the objective lens, and pis the ratio of fifth-order spherical aberration to third-order spherical aberration, the spherical aberrations being caused by a change in incident magnification.

Objective lens, optical pickup apparatus using the same, optical recording/reproduction apparatus using the same, and method of correcting aberration using the same

Providing an objective lens capable of achieving reliable centering during formation, allowing high-precision formation, and improving durability of a manufacturing apparatus, and providing an optical pickup apparatus and an optical disk apparatus using that objective lens. According to the present invention, an objective lens is formed so as to satisfy condition 0.3&#x2266;Z/D&#x2266;0.5, where Z is a sag amount equivalent to a length of a convexly curved optical surface along an optical axis, and D is an optically effective diameter equivalent to a length which is optically effective for the optical surface and is orthogonal to the optical axis. It is possible to reliably perform centering during fabrication of the objective lens and allow high-precision formation for decreasing the lens aberration.

Optical lens, optical pickup apparatus, and optical disk apparatus using the same

Disclosed are a lens efficiently manufactured into an accurate shape at a low cost, a manufacturing method thereof, and an optical pickup using the lens. The lens includes a geometrical optics portion for converging light having been incident thereon from its light incoming plane, and two diffraction optics portions provided on the light incoming plane and a light outgoing plane of the geometrical optics portion, wherein the diffraction optics portions are made from a material different from that of the geometrical optics portion.

Lens, manufacturing method thereof, and optical pickup

Lens manufacturing method thereof, and optical pickup

Growing community of inventors

Tokyo, Japan

Hiroyuki Sakakibara