Patent application number | Description | Published |
20080212418 | OPTICAL DISC DEVICE - According to one embodiment, an optical head device provides a signal processing circuit which sets a control amount to move an objective lens so that a distance between the objective lens and a given recording layer of the an optical disc coincides with a focal position, an optical path length correction mechanism which corrects an influence of an aberration component producing an error in the focal distance, a thickness difference detection circuit which finds an amount of correction to be made by the optical path length, and an aberration correction circuit which generates a correction signal to correct the influence of the aberration component producing the error in the focal distance detected by the thickness difference detection circuit, and supplies the correction signal to the optical path length correction mechanism. | 09-04-2008 |
20090003182 | OPTICAL DISC APPARATUS WITH OPTICAL HEAD UNIT - According to one embodiment, an APC photodetector accepts a light beam branched from a light beam toward a recording medium by a branching mirror and detects intensity of a light beam supplied from a light source, a light quantity adjusting element adjusts the intensity of the light beam, and the intensity of the light beam incident to the APC photodetector is changed in a continuous manner or a stepwise manner by the light quantity adjusting element. Therefore, when the single APC photodetector detects recording and reproducing light beams, the recording and reproducing light beams can fall within a dynamic range of the APC photodetector. | 01-01-2009 |
20100027385 | ABERRATION CORRECTING DEVICE, OPTICAL HEAD, AND OPTICAL DISC APPARATUS - An aberration correcting device includes: a first transparent electrode; a second transparent electrode; and a liquid crystal layer disposed between the first transparent electrode and the second transparent electrode, having refractive index varying according to an electric field applied to the liquid crystal layer, wherein the first transparent electrode has a first circular dividing line and a second circular dividing line formed outside the first circular division line arranged to be concentric with the second circular dividing line, and wherein a region between the first circular dividing line and the second circular dividing line is radially divided by plural radial dividing lines. | 02-04-2010 |
20100027402 | OPTICAL HEAD DEVICE AND OPTICAL DISC APPARATUS - An optical head device includes: a diffraction unit including a plurality of diffraction portions each diffracting a incident light in a given direction, the light beam being reflected by an optical disc; and a photodetection unit including a plurality of photodetectors each outputting a signal corresponding to an intensity of an irradiated light, wherein the photodetectors include at least two first photodetectors for generating a compensation value to compensate a tracking error signal, and wherein the diffraction portions include at least two first portions for focusing the incident light into the first photodetectors. | 02-04-2010 |
20140017156 | METHOD FOR PRODUCING SILICON USING MICROWAVE, AND MICROWAVE REDUCTION FURNACE - A method for producing silicon using microwave and a microwave reduction furnace for use therewith are disclosed, with which it is possible to quickly reduce silica to quickly produce silicon. A material of a mixture of a silica powder and a graphite powder of a mixture of a silica powder, a silicon carbide powder and a graphite powder is set in a refractory chamber. Then, the material set in the chamber is irradiated with microwave. The graphite powder absorbs a microwave energy to increase the temperature, after which silica and graphite react with each other to further increase the temperature while producing silicon carbide, and the heated silica and silicon carbide react with each other. SiO produced through this reaction and silicon carbide are allowed to react with each other, thereby producing high-purity silicon. | 01-16-2014 |
20140285688 | OPTICAL SYSTEM OF ELECTRICAL EQUIPMENT, ELECTRICAL EQUIPMENT, AND OPTICAL FUNCTION COMPLEMENTARY PROCESSING CIRCUIT - According to one embodiment, an optical system of electrical equipment includes an imaging optical system and an optical function complementary processing circuit. The imaging optical system captures light from a subject. The imaging optical system forms a subject image. The electrical equipment includes the imaging optical system, a solid state imaging device, and an image signal processing circuit. The solid state imaging device images the subject image. The solid state imaging device outputs an image signal. The image signal processing circuit executes processing of the image signal. The optical function complementary processing circuit is provided in a processing path between the solid state imaging device and the image signal processing circuit. The optical function complementary processing circuit executes processing for complementing functions of the imaging optical system regarding formation of the subject image. | 09-25-2014 |
Patent application number | Description | Published |
20120043636 | SOLID-STATE IMAGE SENSING APPARATUS - This invention provides a solid-state image sensing apparatus in which a sensor portion that performs photo-electric conversion and plural layers of wiring lines including a signal line for the sensor portion are formed on a semiconductor substrate; which includes an effective pixel portion configured such that light enters the sensor portion, and an optical black portion shielded so that the light does not enter the sensor portion; and which has a light-receiving surface on the back surface side of the semiconductor substrate. The optical black portion includes the sensor portion, a first light-shielding film formed closer to the back surface side of the semiconductor substrate than the sensor portion, and a second light-shielding film formed closer to the front surface side of the semiconductor substrate than the sensor portion. | 02-23-2012 |
20120212581 | IMAGE CAPTURE APPARATUS AND IMAGE SIGNAL PROCESSING APPARATUS - An image capture apparatus includes an image capture unit that has a plurality of unit pixels each including a plurality of photo-electric conversion units per condenser unit, and a recording unit that records captured image signals, which are captured by the image capture unit and are respectively read out from the plurality of photo-electric conversion units, and the recording unit records identification information which allows to identify each photo-electric conversion unit used to obtain the captured image signal in association with that captured image signal. | 08-23-2012 |
20120212654 | IMAGE PICKUP APPARATUS, FOCUS DETECTION METHOD, IMAGE GENERATION METHOD, AND STORAGE MEDIUM - An image pickup apparatus includes an image pickup element | 08-23-2012 |
20130032917 | SOLID-STATE IMAGE SENSING APPARATUS - This invention provides a solid-state image sensing apparatus in which a sensor portion that performs photo-electric conversion and plural layers of wiring lines including a signal line for the sensor portion are formed on a semiconductor substrate; which includes an effective pixel portion configured such that light enters the sensor portion, and an optical black portion shielded so that the light does not enter the sensor portion; and which has a light-receiving surface on the back surface side of the semiconductor substrate. The optical black portion includes the sensor portion, a first light-shielding film formed closer to the back surface side of the semiconductor substrate than the sensor portion, and a second light-shielding film formed closer to the front surface side of the semiconductor substrate than the sensor portion. | 02-07-2013 |
20140002702 | SOLID-STATE IMAGE SENSOR AND IMAGE PICKUP APPARATUS | 01-02-2014 |
Patent application number | Description | Published |
20100176869 | TEMPERATURE COMPENSATION CIRCUIT - A temperature compensation circuit according to an embodiment of the present invention includes a bias circuit configured to output a bias current having a current value increasing in proportion to an absolute temperature in a low-temperature region in which a temperature is lower than a predetermined temperature, and having a greater current value than the current value proportional to the absolute temperature in a high-temperature region in which the temperature is equal to or greater than the predetermined temperature, and a transistor having a control terminal supplied with the bias current. The bias circuit includes a first current generating circuit configured to generate a first current increasing in proportion to the absolute temperature, a second current generating circuit configured to generate a second current that does not flow in the low-temperature region and flows in the high-temperature region, and a control circuit configured to control the second current and having a connection terminal capable of being connected with an external resistor for adjusting a magnitude of the second current, and is configured to generate a third current by adding the first current to the second current, and output the bias current depending on or equal to the third current. | 07-15-2010 |
20110234311 | CURRENT DETECTION CIRCUIT AND INFORMATION TERMINAL - According to one embodiment, a current detection circuit is provided with: a NMOS transistor, whose control signal is given to a gate electrode, whose source electrode is connected to a ground line, and whose drain electrode is connected to an input/output terminal; a first PMOS transistor, in which the control signal is given to a gate electrode, and whose drain electrode is connected to the input/output terminal and the drain electrode of the NMOS transistor; and a second PMOS transistor, whose drain electrode is connected to the source electrode of the first PMOS transistor, and a first supply voltage is given to a source electrode. A detection section detects whether or not a current has changed at the input/output terminal from a change in current flowing through the second PMOS transistor. | 09-29-2011 |
20120212284 | TEMPERATURE COMPENSATION CIRCUIT - In one embodiment, a temperature compensation circuit includes a bias circuit configured to output a bias current having a current value increasing in proportion to an absolute temperature in a low-temperature region, and having a greater current value than the current value proportional to the absolute temperature in a high-temperature region, and a transistor which is supplied with the bias current. The bias circuit includes first to third transistors, a fourth transistor through which a first current flows, a fifth transistor, a sixth transistor through which a second current flows, and a control circuit having a connection terminal capable of being connected with an external resistor for adjusting a magnitude of the second current. The bias circuit generates a third current by adding the first current to the second current, and outputs the bias current that is the third current or a fourth current depending on the third current. | 08-23-2012 |
Patent application number | Description | Published |
20120323479 | RISK DEGREE CALCULATION DEVICE - A risk degree estimation device of a driving assistance device calculates the potential risk degree at a plurality of intersection points in a mesh set around a host vehicle. The risk degree estimation device changes the amount of information relating to the potential risk degree calculated for the entire region of the mesh in which the intersection points are set in accordance with at least one of the environment and state of the host vehicle. For this reason, it becomes possible to calculate the potential risk degree around the host vehicle depending on the situation. | 12-20-2012 |
20120330541 | DRIVING ASSISTANCE DEVICE - A device for providing driving assistance for a driver of the vehicle to avoid the object of the risk subject when driving the vehicle, which includes: an object determination unit that detects the object; a collision prediction time calculation unit that calculates a time to collision which is a time indicating a degree to which the vehicle approaches to the object; an estimated risk level determination unit that determines an estimated risk level indicating a possibility of the object moving onto a predicted travelling path of the vehicle; and a driving assistance content determination unit that determines driving assistance content based on the collision prediction time and the estimated risk level. | 12-27-2012 |
20130223686 | MOVING OBJECT PREDICTION DEVICE, HYPOTHETICAL MOVABLE OBJECT PREDICTION DEVICE, PROGRAM, MOVING OBJECT PREDICTION METHOD AND HYPOTHETICAL MOVABLE OBJECT PREDICTION METHOD - A position, behavior state and movement state of a moving object are detected, together with plural categories of track segment region and stationary object regions, using an environment detection section. A presence probability is applied to the detected track segment regions and stationary object regions and a presence probability map is generated, using a map generation section. A moving object position distribution and movement state distribution are generated by a moving object generation section based on the detected moving object position, behavior state and movement state, and recorded on the presence probability map. The moving object position distribution is moved by a position update section based on the moving object movement state distribution. The moved position distribution is changed by a distribution change section based on the presence probabilities of the presence probability map, and a future position distribution of the moving object is predicted on the presence probability map. Consequently, the future position of the moving object can be predicted with good precision under various conditions. | 08-29-2013 |
20130226445 | DRIVING SUPPORT DEVICE, DRIVING SUPPORT METHOD, AND DRIVING SUPPORT PROGRAM - A trajectory feature point generating unit of a driving support device determines a target speed of a host vehicle when the host vehicle passes the vicinity of an obstacle, on the basis of the maximum possible lateral distance of the host vehicle from the obstacle when the host vehicle passes the vicinity of the obstacle and a map in which a lateral distance and a speed when the host vehicle passes the vicinity of the obstacle are associated with each other. Therefore, for example, the trajectory feature point generating unit can determine the target speed of the host vehicle when the host vehicle passes the vicinity of the obstacle, in the range of the maximum possible distance from the obstacle, such that the speed is equal to or less than a value corresponding to a predetermined distance. As a result, it is possible to determine a state of the host vehicle which is consistent with reality. | 08-29-2013 |
20130293395 | MOBILE OBJECT TARGET STATE DETERMINATION DEVICE AND PROGRAM - An environmental movement detection section detects the speed of a vehicle and detects a mobile object in the vicinity of the vehicle. A collision probability prediction section predicts the probability of a prospective collision between the vehicle and the detected vicinity mobile object. On the basis of approach speeds, collision probabilities and sideward passing speeds when passing other mobile objects to sideward that have been determined from standard movements, a movement standard learning section learns relationships between approach speed, collision probability and sideward passing speed. On the basis of learning results at the movement standard learning section, a path characteristic point generation section determines a standard sideward passing speed for when passing the vicinity mobile object to sideward that corresponds with the detected approach speed and the predicted collision probability. Thus, standard mobile object states may be determined efficiently. | 11-07-2013 |
20140180568 | DRIVE ASSIST APPARATUS - A drive assist apparatus includes: a dead zone recognition unit that recognizes a dead zone not visible to a driver in an advancement direction of a host vehicle; a moving body information setting unit that sets, as information relating to a moving body that may jump out from the dead zone, moving body information including at least an assumed speed of the moving body; a speed region calculation unit that calculates, on the basis of the moving body information set by the moving body information setting unit, a speed region of the host vehicle, the speed region being a region in which the host vehicle may contact the moving body if the host vehicle advances in the advancement direction; and a target speed calculation unit that calculates a target speed of the host vehicle on the basis of the speed region. | 06-26-2014 |
20140188365 | DRIVING ASSISTANCE DEVICE - A speed zone computation unit that computes a speed zone of a host vehicle; a target speed computation unit that computes a target speed of the host vehicle based on a speed zone; a driving assistance starting point computation unit that computes a driving assistance starting point determined by a state of the host vehicle at the time when a driving assistance is started; and a target speed modification unit that modifies a target speed, when the driving assistance starting point is within the speed zone, are included. The target speed computation unit sets a speed lower than the speed zone in the reference position as the target speed. The target speed modification unit sets a value higher than a value computed by the target speed computation unit as a new target speed, in speed in the reference position. | 07-03-2014 |
20140195141 | DRIVING ASSISTANCE DEVICE - A driving assistance device includes a blind spot recognition unit that recognizes a blind spot of a driver; a mobile object information setting unit that sets mobile object information; a speed zone computation unit that computes a speed zone of the host vehicle; a brake avoidance condition computation unit that computes at least one condition of a brake avoidance condition so that the host vehicle can avoid contact with the mobile object using a brake of the host vehicle and a brake avoidance condition so that the mobile object can avoid contact with the host vehicle using a brake of the mobile object; a speed zone correction unit that corrects the speed zone, based on the brake avoidance condition computed by the brake avoidance condition computation unit; and a target speed computation unit that computes a target speed of the host vehicle based on the speed zone. | 07-10-2014 |
20150046058 | DRIVING ASSIST DEVICE - A driving assistance device includes a speed zone computation unit configured to compute a speed zone of the host vehicle having a possibility that the host vehicle will come into contact with the mobile object when progressing in the progressing direction, based on the mobile object information set by the mobile object information setting unit; a target speed computation unit configured to compute a target speed of the host vehicle based on a speed zone; and a target speed profile creation unit configured to create a target speed profile for decelerating the host vehicle from the current speed to the blind spot entry target speed, based on a blind spot entry target speed which is the target speed of the host vehicle at the time of entering a place forming the blind spot, a current speed of the host vehicle, and a target acceleration for deceleration. | 02-12-2015 |
20150142285 | DRIVING SUPPORT SYSTEM - In a driving support system, a target speed profile computing unit determines a target speed on the basis of a safe-condition confirmation end point that is set to a predetermined position in a travel direction of a host vehicle. The safe-condition confirmation end point is a point at which the host vehicle passes through a section following the safe-condition confirmation end point in advance of a moving object that appears from blind areas. In this way, by determining the target speed based on the safe-condition confirmation end point, the drive support control unit is able to support driving in consideration of driving action at the time when the driver actually causes the host vehicle to pass through near the blind areas. Thus, it is possible to appropriately support driving along a feeling of the driver such that inconvenience and a feeling of strangeness are reduced. | 05-21-2015 |
20150191176 | DRIVE ASSIST DEVICE - A drive assist device includes a driver state detection unit that outputs an emergency evacuation start signal, an consent confirmation unit that inquires of the driver, whether or not emergency evacuation control to stop a vehicle at a safe position regardless of a driving operation of the driver is permitted and receives a reply with respect to the inquiry from the driver, and a control unit that performs the emergency evacuation control when the reply which permits the performing of the emergency evacuation control is received from the driver by the consent confirmation unit. The control unit alleviates conditions for performing a preventive drive assist in which the risk for the traveling of the vehicle is avoided during a period from the time of receiving the emergency evacuation start signal to the time of receiving the reply of permitting the performing of the control by the consent confirmation unit. | 07-09-2015 |
Patent application number | Description | Published |
20090021869 | MAGNETORESISTANCE EFFECT ELEMENT, MAGNETIC HEAD AND MAGNETIC RECORDING AND/OR REPRODUCING SYSTEM - There is provided a practical magnetoresistance effect element which has an appropriate value of resistance, which can be sensitized and which has a small number of magnetic layers to be controlled, and a magnetic head and magnetic recording and/or reproducing system using the same. In a magnetoresistance effect element wherein a sense current is caused to flow in a direction perpendicular to the plane of the film, a resistance regulating layer is provided in at least one of a pinned layer, a free layer and an non-magnetic intermediate layer. The resistance regulating layer contains, as a principal component, an oxide, a nitride, a fluoride, a carbide or a boride. The resistance regulating layer may be a continuous film or may have pin holes. Thus, it is possible to provide a practical magnetoresistance effect element which has an appropriate value of resistance, which can be sensitized and which has a small number of magnetic layers, while effectively utilizing the scattering effect depending on spin. | 01-22-2009 |
20090269618 | MAGNETORESISTANCE EFFECT ELEMENT, MAGNETIC HEAD AND MAGNETIC RECORDING AND/OR REPRODUCING SYSTEM - There is provided a practical magnetoresistance effect element which has an appropriate value of resistance, which can be sensitized and which has a small number of magnetic layers to be controlled, and a magnetic head and magnetic recording and/or reproducing system using the same. In a magnetoresistance effect element wherein a sense current is caused to flow in a direction perpendicular to the plane of the film, a resistance regulating layer is provided in at least one of a pinned layer, a free layer and an non-magnetic intermediate layer. The resistance regulating layer contains, as a principal component, an oxide, a nitride, a fluoride, a carbide or a boride. The resistance regulating layer may be a continuous film or may have pin holes. Thus, it is possible to provide a practical magnetoresistance effect element which has an appropriate value of resistance, which can be sensitized and which has a small number of magnetic layers, while effectively utilizing the scattering effect depending on spin. | 10-29-2009 |
20130316088 | MAGNETIC RECORDING HEAD MANUFACTURING METHOD - According to one embodiment, a magnetic recording head manufacturing method characterized by includes processes of forming a main pole, forming, on the main pole, an insulating layer having a gap for forming a spin torque oscillator, forming a spin torque oscillator in the gap, and forming an auxiliary magnetic pole on the spin torque oscillator is provided. | 11-28-2013 |