Abstract: A diagnosis apparatus includes an object extraction unit to extract one or more objects around a vehicle, a line-of-vision determination unit to determine whether or not at least one region of the object is included in a line-of-vision space centered around a line of vision of a driver of the vehicle, and a degree-of-recognition diagnosis unit to diagnose the driver's degree of recognition of the object in accordance with the determination result.

Abstract: Provided is a transparent flexible printed wiring board which is excellent in flexibility, heat resistance and adhesion between a transparent film and a transparent conductive film. A transparent polyimide film, whose dimension change rate in association with a baking process is not larger than ±0.2%, is prepared. ITO ink containing ITO fine particles and a binder is printed in the form of a predetermined pattern on the transparent polyimide film by an ink-jet method. The ITO ink is then baked at 230 to 300° C., thereby forming a transparent conductive film with a binder ratio of 5 to 10 wt %.

Abstract: In a switch module which is arranged in opposition to a key substrate, the switch module is provided which is able to reduce an amount of light leaking out from the vicinity of an end of a light guiding member in the direction of key parts, so that the key parts can be illuminated in a uniform manner by the light which advances in the interior of the light guiding member. A switch module is provided with a circuit substrate that has a metal dome sheet mounted on a surface thereof which is arranged in opposition to a key substrate, a light guiding sheet that is arranged between the key substrate and the circuit substrate, an LED, and a reflector that makes the light emitted from the LED incident into the light guiding sheet from an end thereof, wherein key parts are able to be illuminated by the switch module.

Abstract: There is provided a frequency control device that includes a frequency synchronizer to transform a radio signal to a baseband signal, a same signal correlator to obtain a first correlation value between a first signal in a first position in a first transmission symbol of the baseband signal and a second signal included in a second period, a different symbol correlator to obtain a second correlation value between a third signal included in a third period of the first transmission symbol and a fourth signal included in a fourth period, a frequency error estimator to estimate a frequency error added on the radio signal based on a phase rotation value of a difference value obtained by a subtraction of the second correlation value from the first correlation value, and a frequency corrector to correct the baseband signal to cancel the frequency error.

Abstract: A wireless reception device includes a determination section to determine, based on reception power of each of subcarriers of a multicarrier signal and a transfer function of each of the subcarriers, a value relating to an interference component between subcarriers, the interference component being from another subcarrier for each of the subcarriers, with respect to each of the subcarriers, and a removal section to remove the interference component from each of the subcarriers, based on the value relating to the interference component.

Abstract: There is provided a mobile communication apparatus capable of being mounted on a mobile body. The mobile communication apparatus includes a plurality of antennas arranged apart each other by certain distances; and a signal regenerator configured to enhance a signal propagating along at least one of detecting directions by summing products obtained by multiplying individual signals received from respective antennas of the plurality of antennas by respective weighting factors which correspond to the one of detecting directions, each of the detecting directions being defined based on a reference depending on a travelling direction of the mobile body.

Abstract: A signal separation device includes a column switching unit switching a column vector of a channel matrix obtained by estimating a propagation path characteristic so that a transmitted signal component of each transmit antenna is in a left end, a QR decomposition layering unit multiplying received signals by an output from the column switching unit, and outputting a received signal vector in which the received signal is layered so that a transmitted signal exists in a first row, an interference cancellation unit cancelling an interference component from a signal in the first row by using a signal other than the signal in the first row, a signal candidate point selecting unit selecting a prescribed number of signal candidate points from among signals output by the interference cancellation unit, and a signal separation unit separating the transmitted signal from the layered received signal vector using the selected signal candidate point.

Abstract: An apparatus includes a selection unit that selects an estimation target path to be used to estimate a propagation channel estimation value, among a plurality of paths based on a characteristic value of each path; a determination unit that determines an estimated reception time at which a signal as a target of estimation of the propagation channel estimation value among signals propagating through the estimation target path is received; an estimation unit that estimates an amplitude and a phase of the signal propagating through the estimation target path at the estimated reception time as a propagation channel estimation value of the estimation target path; and a processing unit that performs an interpolation/extrapolation process using the propagation channel estimation value of the estimation target path to estimate the propagation channel estimation value at a time other than the estimated reception time of the signal propagating through the estimation target path.

Abstract: A light guide plate that uses a resin film as a material for the light guide plate, that has a reflecting or scattering pattern formed by printing, and that guides a light propagating in the film to exit and emerge from the front surface thereof. The light guide plate is thinner and highly flexible, and has high reliability and durability. A base material of the light guide plate is formed from a thermosetting polyurethane sheet with a thickness of 0.4 mm or less. When a dot pattern is formed by ink-jetting, a white UV curable ink, for which the thermosetting polyurethane exhibits a swellability such that the thermosetting polyurethane increases by 10% or more in weight as a result of being soaked in the ink for one hour at a room temperature, is used as the ink.

Abstract: A switch module including a light source element is provided that obtains slimming down and a sufficient click feeling and suitably irradiates a key portion, while suppressing manufacturing cost. A switch module is disposed to face a key portion. The switch module includes a transparent FPC board, a transparent conductive film, an electrode, a metal dome which is in contact with a part of the transparent conductive film and which is allowed to come into contact with the electrode by being deformed, and an LED. Light emitted from the LED and guided in a direction orthogonal to a thickness direction of the board in the transparent FPC board is reflected by a reflecting portion provided on the transparent FPC board, in a direction of the key portion.

Abstract: A communication system includes a roadside unit and a mobile communication unit that communicates with the roadside unit by using one of a plurality of communication channels. The mobile communication unit obtains, for each communication channel, a reception condition measurement representing the reception condition of a radio signal received from the roadside unit, creates information of a candidate channel for a receiving channel to be used to receive the radio signal from the roadside unit, and reports the candidate channel information to the roadside unit. On the other hand, the roadside unit assigns the receiving channel by selecting it from among the candidate channels, and reports the receiving channel to the mobile communication unit.

Abstract: There is provided a frequency control device that includes a frequency synchronizer to transform a radio signal to a baseband signal, a same signal correlator to obtain a first correlation value between a first signal in a first position in a first transmission symbol of the baseband signal and a second signal included in a second period, a different symbol correlator to obtain a second correlation value between a third signal included in a third period of the first transmission symbol and a fourth signal included in a fourth period, a frequency error estimator to estimate a frequency error added on the radio signal based on a phase rotation value of a difference value obtained by a subtraction of the second correlation value from the first correlation value, and a frequency corrector to correct the baseband signal to cancel the frequency error.

Abstract: The key module for the mobile device includes a key top 6; a base plate 2 on which a fixed-side contact 7 is disposed; a dome 4 that is disposed on the fixed-side contact 7; a dome sheet 5 that covers the dome 4; an LED module 3 disposed on the base plate 2; and a light guide plate 1 that is disposed on the dome sheet 5. Such a configuration causes light emitted by the LED module 3 propagates within the light guide plate, and exits the light from an exit surface of the light guide plate on the key top 6 side. The light guide plate 1 is formed by inkjet printing a dot pattern in white ink onto a surface of a base material formed from a thermosetting polyurethane elastomer sheet, which surface is opposite to the exit surface of the light guide plate.

Abstract: A magnetic disk apparatus includes a magnetic disk, a magnetic head, a servo reproduction signal generator and a magnetic head controller. The disk includes a data recording area and a servo-pattern area. The data recording area includes a non-magnetic area scattered with magnetic regions, and the servo-pattern area includes uniformly magnetized magnetic regions larger than the magnetic regions in the recording area. The magnetic head reciprocates radially of the disk, giving a magnetization direction to the magnetic regions in the data recording area and reading the magnetization direction of the magnetic regions in the data recording area and the servo-pattern area. The servo reproduction signal generator reads the servo-pattern area, using the magnetic head, via an absolute-value calculation circuit to generate a servo reproduction signal before the recording or reading with respect to the data recording area.

Abstract: A mobile base station includes a detecting unit that detects communication information concerning another cell; a switching unit that based on the detected communication information, switches a communication resource used by the mobile base station to a communication resource different from that used in the other cell; a communication resource reporting unit that reports to a mobile terminal in a cell of the mobile base station, the communication resource switched to by the switching unit; and a communication information reporting unit that reports to a base station outside the cell of the mobile base station, communication information concerning the communication resource switched to by the switching unit.

Abstract: A magnetic disk apparatus includes a magnetic disk, a magnetic head, a servo reproduction signal generator and a magnetic head controller. The disk includes a data recording area and a servo-pattern area. The data recording area includes a non-magnetic area scattered with magnetic regions, and the servo-pattern area includes uniformly magnetized magnetic regions larger than the magnetic regions in the recording area. The magnetic head reciprocates radially of the disk, giving a magnetization direction to the magnetic regions in the data recording area and reading the magnetization direction of the magnetic regions in the data recording area and the servo-pattern area. The servo reproduction signal generator reads the servo-pattern area, using the magnetic head, via an absolute-value calculation circuit to generate a servo reproduction signal before the recording or reading with respect to the data recording area.

Abstract: A master is used for writing information to a magnetic recording disk by a magnetic transfer method. The recording disk includes a magnetic recording layer possessing vertical magnetic anisotropy. The master includes a servo zone corresponding part formed with a magnetic material pattern for recording servo information to the recording layer of the recording disk. The master also includes a user data zone corresponding part formed with a second magnetic material pattern for providing the recording layer of the recording disk with a dummy signal.

Abstract: A magnetic recording medium includes a continuous recording layer, and a seed layer including a surface held in contact with the recording layer. The seed layer includes an oxidized region and a non-oxidized region in the surface held in contact with the recording layer. The recording layer includes a recording magnetic region and a non-recording magnetic region. The recording magnetic region corresponds in position to the non-oxidized region and has perpendicular magnetic anisotropy. The non-recording magnetic region corresponds in position to the oxidized region.

Abstract: A magnetic recording medium includes a continuous recording layer, and a seed layer including a surface held in contact with the recording layer. The seed layer includes an oxidized region and a non-oxidized region in the surface held in contact with the recording layer. The recording layer includes a recording magnetic region and a non-recording magnetic region. The recording magnetic region corresponds in position to the non-oxidized region and has perpendicular magnetic anisotropy. The non-recording magnetic region corresponds in position to the oxidized region.

Abstract: The present invention provides a magnetic recording unit, including: a magnetic head; a magnetic recording medium having a servo pattern for adjusting a position of the magnetic head; a frequency detecting element for detecting a frequency in the servo pattern on a track corresponding to the position in a radial direction of the magnetic recording medium, on the basis of a reproduction signal obtained by reading the servo pattern with the magnetic head; a storage element for storing in advance information on predetermined frequencies corresponding to the positions of tracks of the magnetic recording medium; a tracking element for comparing the frequency detected on the track by the frequency detection element and the information on the frequency corresponding to the same track, the information being stored in the storage element, and for generating a signal for adjusting the position of the magnetic head, the signal being generated on the basis of a difference between the frequencies.