摘要:
A photocatalytic structural member is provided with a substrate having a concave-convex structure formed on a surface thereof, and a photocatalyst film which is disposed on a side of the concave-convex structure of the substrate and reflects a shape of the concave-convex structure. The concave-convex structure is formed with a pitch smaller than a wavelength of light which causes a photocatalytic reaction on the photocatalyst film. A deodorizing device is provided with the photocatalytic structural member, a light source which emits the light from a side of the substrate to the photocatalytic structural member, and a fan which causes an air to flow to the photocatalytic structural member.
摘要:
A disc device for recording and/or reproducing information with respect to a disc having flexibility includes a head for writing and/or reading, the head being disposed below the disc; a disc rotating section which rotates the disc; and a head retracting section which retracts the head to a retracted position where contact with the disc is avoidable, based on a judgment that power supply to the disc device is cut off.
摘要:
When a hybrid optical disc is loaded on a player, the next generation DVD layer is reproduced in preference to the DVD layer. Jump to the DVD layer is appropriately performed based on the content of the reproduction list held in the next generation DVD. The jump to the DVD layer is performed based on the command information (jump command) held in the reproduction list of the next generation DVD layer. When reproduction of the title specified by the command information is finished after the jump to the DVD layer, the process returns to the HDDVD layer, and reproduction is performed from the position following the reproducing position at the time of the jump. Thus, the content of the HDDVD layer and the content of the DVD layer are reproduced as one stream.
摘要:
A servo objective lens and a recording/reproducing objective lens are commonly held on a holder. The servo objective lens and the recording/reproducing objective lens are integrally displaced, thereby pulling servo light onto a servo layer. Upon the pulling, focus positions of recording light and reproducing light follow a focus position of the servo light. As a result, the focus positions of recording light and reproducing light are set close to the servo layer. Thereafter, an optical element for displacing the focus positions of recording light and reproducing light in the optical axis direction is driven to pull the recording light and the reproducing light onto a targeted recording layer.
摘要:
A stamper which has a region information according to a destination is set to the resin molding machine for HDDVD and the resin molding machine for DVD, respectively. The contents information (contents A) of the same program is held in each stamper. The region information of each stamper is different according to the destination of contents information. Two disc substrates to which the information on each stamper is transferred are formed using the resin molding machine for HDDVD and the resin molding machine for DVD, and the reflecting layer is further formed on the transfer face of each substrate by sputtering. And as the reflecting layer side faces each other, each disc substrate is laminated. Thereby, hybrid type next-generation DVD from which the destination of the contents information of a HDDVD layer and a DVD layer is different is manufactured.
摘要:
In an optical disk apparatus according to an exemplary embodiment of the invention, a management information retaining unit retains an information group which should regularly be recorded as disk management information. The disk management information is obtained from a disk loaded in the optical disk apparatus, and the obtained disk management information and the information group retained by the management information retaining unit are compared with each other to detect an error in the disk management information obtained from the disk. The detected error of the disk management information is corrected into regular information, and recording and reproducing operations are performed to the disk based on the corrected disk management information.
摘要:
In an exemplary embodiment of the present invention, after test write is performed with a predetermined test power to a first track on an optical disk, test write is performed with the same test power as the first track to a second track adjacent to the first track. Then, reproduction signals are obtained by reproducing the first track and the second track respectively, and a determination whether or not the test power is set to a recording laser power in recording main information is made based on a relationship between the obtained reproduction signals.
摘要:
When a hybrid type next-generation DVD is loaded in the optical disc device, first, a red laser is turned on and parameter value and a lead-in information with respect to a DVD layer are acquired. The acquired information is stored in a memory. Next, a blue laser is turned on, parameter value and a lead-in information to a HDDVD layer are acquired, and the acquired information is stored in a memory. Then, the HDDVD layer is reproduced while lighting of the blue laser beam is maintained. Then, when a jump instruction to the DVD layer is inputted, the parameter value for the DVD layer is read from the memory and set to a process system. And the lighting laser is changed to the red laser and reproduction of the DVD layer is performed based on the lead-in information of the DVD layer stored in the memory.
摘要:
A purification unit for purifying air by a photocatalytic reaction includes a first light source which emits light; a first reflection plate which reflects the light emitted from the first light source; and a plurality of purification plates which cause the photocatalytic reaction by irradiation of the light emitted from the first light source. In this arrangement, at least one of the purification plates is disposed between the first reflection plate and the first light source, and the light emitted from the first light source is transmitted through the purification plate disposed between the first reflection plate and the first light source, and then is reflected on the first reflection plate for irradiation onto the purification plates.
摘要:
In an exemplary embodiment of the present invention, after test write is performed with a predetermined test power to a first track on an optical disk, test write is performed with the same test power as the first track to a second track adjacent to the first track. Then, reproduction signals are obtained by reproducing the first track and the second track respectively, and a determination whether or not the test power is set to a recording laser power in recording main information is made based on a relationship between the obtained reproduction signals.