Patent application number | Description | Published |
20110058387 | VEHICULAR LAMP - A vehicular lamp has a semiconductor light emitting element as a light source. The vehicular lamp includes a heat dissipation member that dissipates heat generated by the semiconductor light emitting element; a power supply member that supplies power to the semiconductor light emitting element; a light emitting element holding portion that holds the semiconductor light emitting element in a state of contact with the heat dissipation member; and a housing portion that is secured to a lamp body. The light emitting element holding portion electrically connects the semiconductor light emitting element and the power supply member, the housing accommodates the power supply member and the heat dissipation member, and the light emitting element holding portion is detachably secured to the heat dissipation member. | 03-10-2011 |
20110128754 | LIGHT SOURCE UNIT AND VEHICULAR LAMP - A vehicular lamp includes a light source unit that is attached to one of a lamp body and a reflector. The light source unit includes a semiconductor light emitting element that is a light source; a plurality of conductive members formed into a predetermined three-dimensional shape by press working a conductive metal material; and a housing that is formed of an insulating material. The plurality of conductive members each include: an element mounting portion to which the semiconductor light emitting element is mounted, a heat dissipating portion that dissipates heat generated when the semiconductor light emitting element emits light, and a connecting portion to which a connector that supplies power to the semiconductor light emitting element is connected. The housing holds the plurality of conductive members in a spaced apart state. | 06-02-2011 |
20120007506 | VEHICULAR LAMP - A vehicular lamp has a light source unit having an LED and an optical element that performs light distribution control for directing light from the LED in a predetermined direction, a heat sink to which the light source unit is attached, and a lamp chamber in which the light source unit is disposed. The LED is an LED module formed by installing an LED chip on a power supply circuit board. The LED module is installed on a circuit board installation portion of the heat sink, and an attachment, which has a frame shape a size larger than the LED module and has a circuit board retaining portion at a center open portion of the attachment, is attached and fixed to the heat sink by a fixing member, whereby the LED module is held between the attachment and the circuit board installation portion. | 01-12-2012 |
20130314934 | VEHICULAR LAMP - A vehicular lamp has a light source unit having an LED and an optical element that performs light distribution control for directing light from the LED in a predetermined direction, a heat sink to which the light source unit is attached, and a lamp chamber in which the light source unit is disposed. The LED is an LED module formed by installing an LED chip on a power supply circuit board. The LED module is installed on a circuit board installation portion of the heat sink, and an attachment, which has a frame shape a size larger than the LED module and has a circuit board retaining portion at a center open portion of the attachment, is attached and fixed to the heat sink by a fixing member, whereby the LED module is held between the attachment and the circuit board installation portion. | 11-28-2013 |
Patent application number | Description | Published |
20100085770 | VEHICLE LAMP - A vehicle lamp is provided with: a light source unit containing a light source, a feeder socket having a male terminal conductively connected to the light source, and a feeder connector containing a female terminal conductively connected to the male terminal when inserted into the feeder socket and connected to an end of an electric wire; and a light source unit attaching section on which the light source unit is attached. The vehicle lamp further includes a holding member that is attached at a rear end of the feeder connector, bends the electric wire against a direction for inserting the feeder connector and can be grasped in inserting the feeder connector. | 04-08-2010 |
20100208480 | LIGHT SOURCE MODULE AND VEHICLE LAMP - A light source module includes: a light emitting diode; a circuit board configured to be mounted on a base plate, the circuit board having a top face on which a circuit pattern is formed; and a power feeding attachment including a resin member and a conductive member, wherein the circuit pattern includes: a pair of power feeding portions; and a light source connecting portion on which the light emitting diode is placed and electrically connecting the pair of power feeding portions and the light emitting diode, and wherein the conductive member includes: a pair of connecting terminals being exposed from the resin member and respectively connected to the pair of power feeding portions; and a pressing piece being exposed from the resin member and configured to press the circuit board against the base plate at an outer peripheral portion of the circuit board. | 08-19-2010 |
20110031884 | VEHICLE LAMP - A vehicle lamp includes a semiconductor light emitting device as a light source, a power supply module configured to supply electric power from a power source to the semiconductor light emitting device, and a housing in which the power supply module is accommodated. The semiconductor light emitting device is mounted on the power supply module. The power supply module comprises a current control circuit configured to control an amount of current supplied to the semiconductor light emitting device. The semiconductor light emitting device and the current control circuit are arranged to overlap each other in a direction of an optical axis of the semiconductor light emitting device. | 02-10-2011 |
20120182753 | Illumination Device - An illumination device including a light emitting element and a lighting control circuit on a metal base flexible printed circuit board (FPC) that is formed by integrating a flexible metal base with a flexible printed circuit board which is formed by integrating a copper foil pattern (conductive body) with films, wherein end portions of the metal base FPC are formed as thick terminal portions so that the end portions are thicker than the metal base FPC. | 07-19-2012 |
20130341670 | LIGHT SOURCE MODULE - The light source module includes a circuit board adapted to be placed on a mounting base of a light source holding member, and a power feeding attachment to supply power to a semiconductor light emitting device, the circuit board including a board part on which the semiconductor light emitting device is mounted, and a conductive circuit formed on a surface of the board part and having a pair of terminal parts and a light source connection part to connect the pair of terminal parts and the semiconductor light emitting device, the power feeding attachment including an electrically-insulating portion and an conductive portion partially embedded in the electrically-insulating portion, the power feeding attachment being adapted to be attached to the light source holding member such that the electrically-insulating portion presses at least a portion of the circuit board against the mounting base. | 12-26-2013 |
20150049499 | ATTACHMENT AND LIGHTING APPARATUS - An attachment adapted to fix a semiconductor light source unit to a support member is provided. The attachment includes a frame having an opening periphery portion defining an opening to allow light emitted from the semiconductor light source unit to pass through the opening, and first and second conductive terminal pieces extending from the opening periphery portion. The first conductive terminal piece extends in one direction to contact a first power receiving portion of the semiconductor light source unit. The second conductive terminal piece extends in the same direction to contact a second power receiving portion of the semiconductor light source unit. | 02-19-2015 |
Patent application number | Description | Published |
20100019716 | MOTOR CONTROLLER AND ELECTRIC POWER TOOL HAVING THE SAME - A motor controller is provided with a first PWM circuit that repeatedly outputs an on-signal at a first carrier frequency, a second PWM circuit that repeatedly outputs an on-signal at a second carrier frequency that is lower than the first carrier frequency, an AND circuit that receives both the on-signal outputted from the first PWM circuit and the on-signal outputted from the second PWM circuit and outputs a third on-signal which is a logical product of the received on-signals, and a voltage apply circuit that applies a voltage to the motor intermittently in synchronization with the third on-signal outputted from the AND circuit. At least one of the first carrier frequency and the second carrier frequency is equal to or lower than 1 kHz or equal to or higher than 3 kHz. As a result, generation of an unpleasant noise by a motor controller using two PWM circuits may be suppressed. | 01-28-2010 |
20100027979 | MOTOR CONTROLLER AND ELECTRIC POWER TOOL HAVING THE SAME - A motor controller is provided with a velocity processing unit that determines a corrected target rotation velocity by correcting the inputted target rotation velocity of the motor in accordance with a velocity deviation between the inputted target rotation velocity and an actual rotation velocity detected from the motor, a first PWM circuit that repeatedly outputs an on-signal having a first pulse width at a first carrier frequency, wherein the first pulse width of the on-signal is modulated by the first PWM circuit in accordance with the corrected target rotation velocity, a second PWM circuit that repeatedly outputs an on-signal having a second pulse width at a second carrier frequency, wherein the second pulse width is different from the first pulse width, the second carrier frequency is lower than the first carrier frequency, and the second pulse width of the on-signal is modulated by the second PWM circuit in accordance with the corrected target rotation velocity, an AND circuit that receives the on-signal outputted from the first PWM circuit and the on-signal outputted from the second PWM circuit and outputs third on-signal which is a logical product of the on-signals, and a voltage apply circuit that applies voltage to the motor intermittently in synchronization with the third on-signal outputted from the AND circuit. As a result, the rotation velocity of the motor may be correctly controlled. | 02-04-2010 |
Patent application number | Description | Published |
20130107899 | LASER APPARATUS | 05-02-2013 |
20130135601 | TWO-BEAM INTERFERENCE APPARATUS AND TWO-BEAM INTERFERENCE EXPOSURE SYSTEM - A two-beam interference apparatus may include a wafer stage on which a wafer may be set, a beam splitter to split first laser light into second and third laser light having a beam intensity distribution elongated in a first direction within a surface of the wafer, and an optical system to guide the second and third laser light onto the wafer. The wafer is irradiated with the second laser light from a second direction perpendicular to the first direction, and the third laser light from a third direction perpendicular to the first direction but different from the second direction, to thereby cause interference of the second and third laser light on the wafer. This apparatus increases the accuracy of the two-beam interference exposure. | 05-30-2013 |
20130208744 | EXCIMER LASER AND LASER DEVICE - An excimer laser may include a frame, a base plate on which the frame is disposed, an excimer laser configured to oscillate and output laser light by discharge-pumping within a chamber containing a laser gas, an optical element that is mounted upon the frame and that is disposed in the optical path of the outputted laser light and a heat removal mechanism connected to both the frame and the base plate. | 08-15-2013 |
20140105238 | DISCHARGE-PUMPED GAS LASER DEVICE - A discharge-pumped gas laser device may include a laser chamber, a pair of discharge electrodes provided in the laser chamber, a fan with a magnetic bearing being provided in the laser chamber and configured to be capable of circulating a gas in the laser chamber, a housing configured to contain the laser chamber, and a magnetic bearing controller connected to the magnetic bearing electrically, being capable of controlling the magnetic bearing, and provided in the housing separately from the laser chamber. | 04-17-2014 |
20150055672 | DISCHARGE-PUMPED GAS LASER DEVICE - A discharge-pumped gas laser device may include a laser chamber, a pair of discharge electrodes provided in the laser chamber, a fan with a magnetic bearing being provided in the laser chamber and configured to be capable of circulating a gas in the laser chamber, a housing configured to contain the laser chamber, and a magnetic bearing controller connected to the magnetic bearing electrically, being capable of controlling the magnetic bearing, and provided in the housing separately from the laser chamber. | 02-26-2015 |
Patent application number | Description | Published |
20130280949 | CONNECTOR - A connector includes a female connector and a male connector fitted in a hood of the female connector. The female connector includes: paired guide grooves either provided at opposed positions on an inside wall of the hood; and regulation projections either provided on bottom surfaces of the paired guide grooves. The male connector includes paired guide ribs provided on an outer periphery of the male connector. The paired guide ribs either positioned in the paired guide grooves with the female connector and the male connector being fitted together regulate a relative rotational movement between the female and male connector. The regulation projections either in contact with the paired guide ribs regulate a relative vertical and transverse movement between the female and male connectors. | 10-24-2013 |
20140302711 | Waterproof Connector Connection Structure - A first connector is fluid-tightly fitted with a second connector through an opening of a mounting wall. The first connector includes a cylindrical spacer fitted into the opening, and a housing having a support part and a housing body. The support part is mounted to a first surface of the mounting wall while being able to be displaced along a plane perpendicular to a connector fitting direction of the first and second connectors. The housing body has a leading end which is inserted in the opening with a clearance. A first ring-shaped seal member is interposed between the opening and the spacer, a second ring-shaped seal member is interposed between the spacer and the support part in the connector fitting direction, and a third ring-shaped seal member is interposed between the second connector and the leading end. | 10-09-2014 |
20140370758 | CONNECTOR - A connector includes: a housing including terminal accommodating chambers, and lances projecting into the terminal accommodating chambers and capable of withdrawing from the terminal accommodating chambers due to elastic deformation of the lances; terminals inserted into the terminal accommodating chambers and each including a terminal contact part formed on its leading side for contact with a mating terminal and an engagement part foamed for engagement with respective lance and a front holder fitted to a front part of the housing to move between a formal engagement position and a temporary engagement position to hold the terminal contact part. The housing is provided with an opening which exposes engagement points between the lances and the engagement parts in a direction generally perpendicular to an elastically-deformable direction of the lances. | 12-18-2014 |
20150288101 | CONNECTOR - A connector includes a connection terminal including a terminal section which is configured to contact with a mating terminal, a housing that holds the connection terminal in a state that the terminal section protrudes from the housing, and a front holder provided on the housing so as to be slidable along an extension direction of the connection terminal. The front holder is disposed at a first position in which the front holder covers a side portion of the terminal section in a case that the front holder slides forward in the extension direction, and the front holder is disposed at a second position in which the side portion of the terminal section is exposed in a case that the front holder slides rearward in the extension direction. | 10-08-2015 |