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Patent # Description
US-8,018,709 Actuator for control valves and/or shut-off devices
The subject of the present invention is an actuator for control valves and/or shut-off devices with an actuating element acting on a closing or opening element,...
US-8,018,708 Magnetic field compensation for vessels
A method for magnetically compensating the magnetic field distortion occasioned by a ferromagnetic portion of the hull of a vessel includes providing a...
US-8,018,707 High amperage surge arrestors
Embodiments of the present invention include a T-body elbow arrestor having an elbow body. A surge arrestor is positioned in one portion of the elbow body...
US-8,018,706 Arrangement for energy conditioning
Circuit arrangement embodiments that use relative groupings of energy pathways that include shielding circuit arrangements that can sustain and condition...
US-8,018,705 Spark gap protection device
A spark gap protection device is provided. The device comprises a plurality of spark gaps and a plurality of windings. Each spark gap is connected to at least...
US-8,018,704 Parallel analog and digital timers in power controller circuit breaker
A circuit breaker for a power controller integrated circuit is described where an analog timer and a digital timer are provided in parallel. The digital timer...
US-8,018,703 Auxiliary device and data transmission method, auxiliary unit and electrical circuit breaker comprising said device
An auxiliary device for remote data transmission having processing means comprising a first input to receive a first data item of a state of the circuit...
US-8,018,702 Power supply abnormality detection circuit for on-vehicle electronic control device
The on-vehicle electronic control device includes a main power supply circuit fed with power from an on-vehicle battery through an output contact of a power...
US-8,018,701 Backlight control circuit with protecting circuit
An exemplary backlight control circuit includes a load (250), an inverter circuit (230), a pulse width modulation integrated circuit (PWM IC) (210), a...
US-8,018,700 Risk of shock protection circuit
A risk of shock (ROS) protection circuit is disclosed, which comprises a capacitor that charges whenever there is a voltage between a ground on a lamp ballast...
US-8,018,699 Over voltage protection for reduced level electrical signal interfaces
A device for protecting sensitive electronic equipment from low level signal lines short circuited to high voltage power sources includes a switch that open the...
US-8,018,698 I/O circuit with ESD protecting function
For ensuring the complete turn-off state of an ESD protecting device and preventing leakage current from a chip, an alternative conducting path is formed in the...
US-8,018,697 Ground fault protection circuit
A switching circuit, e.g. an RCD, comprises a pair of mechanical contacts (M) in an alternating current electricity supply (N, L) and circuit means (SCR) for...
US-8,018,696 Tertiary lock system power unit
A system for moving an aircraft thrust reverser component includes a power drive unit, a thrust reverser actuator assembly, and a tertiary lock system. The...
US-8,018,695 Fuel pump control apparatus
A control apparatus for controlling a fuel pump includes: an electronic switch provided in a circuit for connecting a power supply to a motor for driving the...
US-8,018,694 Over-current protection for a power converter
In one embodiment, a method is provided for a power converter system. The method includes: providing a primary current limit for the power converter system,...
US-8,018,693 Magnetic detector including magnetoresistive element and impact sensor
A magnetic detector includes a magnetoresistive element and an impact sensor. The magnetoresistive element has a plurality of element-constituent layers that...
US-8,018,692 Thin film magnetic head and method of manufacturing the same
A thin film magnetic head has a magneto-resistive (MR) effect element including an MR effect film formed by sequentially layering a magnetic pinned layer, a...
US-8,018,691 CPP dual free layer magnetoresistive head for magnetic data storage
A magnetoresistive sensor having a scissor free layer design and no pinned layer. The sensor includes first and second free layers that have magnetizations that...
US-8,018,690 CPP magnetic recording head with self-stabilizing vortex configuration
A CPP MTJ or GMR read sensor is provided in which the free layer is self-stabilized by a magnetization in a circumferential vortex configuration. This...
US-8,018,689 Hard disk drive with thermal deformation prevention plate
A hard disk drive includes a voice coil motor yoke, a base to support the voice coil motor yoke, and formed of a material different from that of the voice coil...
US-8,018,688 Head stack assembly with spacers to partition drive arms
A head stack assembly of a disk drive unit includes a head arm assembly (HAA) having a head gimbal assembly, a drive arm to be connected with the head gimbal...
US-8,018,687 Disk drive with flex cable bracket having alignment post by flex exit location
A novel disk drive includes a flex cable having a first end portion fixed to an actuator assembly, a second end portion fixed to a flex cable bracket, and a...
US-8,018,686 Head gimbal assembly for use in disk drive devices and method of making the same
Systems and methods for accurate position adjustment of thin-film PZT micro-actuators are provided. In certain example embodiments, a head gimbal assembly is...
US-8,018,685 Head gimbal assembly for heat-assisted magnetic recording
Provided is an HGA with a radiation structure that can effectively get away the heat generated from a light source. The HGA comprises a suspension and a head...
US-8,018,684 Method for preventing TMR MRR drop of a slider and method for manufacturing sliders
The invention provides a method for preventing TMR MRR drop of a slider, including: positioning a row bar constructed by sliders on a tray, each slider...
US-8,018,683 Head slider and magnetic recording device therewith
A head slider that can furnish excellent head flying stability and a magnetic recording device having excellent head flying stability are provided. For the head...
US-8,018,682 Magnetic disk comprising an aluminum alloy oxynitride underlayer and a diamond-like carbon overcoat
A magnetic disk is protected by a bilayer. The bilayer is formed as an adhesion enhancing underlayer and a protective diamond-like carbon (DLC) overlayer. The...
US-8,018,681 Storage device having multiple tracks formed between under layer trenches
A method for fabricating a patterned recording medium includes providing a workpiece with a non-magnetic substrate and at least one overlying magnetic layer,...
US-8,018,680 Vertical magnetic recording head device with the return yoke layer having thick portions
A vertical magnetic recording head device includes: a magnetic layer that includes a main magnetic pole exposed from a surface facing a recording medium; a...
US-8,018,679 Perpendicular magnetic recording write head with slanted magnetic write pole
A perpendicular magnetic recording write head is formed on the trailing surface of a head carrier or slider that has an air-bearing surface (ABS) oriented...
US-8,018,678 Method for simultaneous electronic lapping guide (ELG) and perpendicular magnetic recording (PMR) pole formation
A method for providing a perpendicular magnetic recording (PMR) head is disclosed. The method comprises: providing a stop layer; providing an insulating layer...
US-8,018,677 Magnetic recording head formed by damascene process
A method and system for manufacturing a pole for a magnetic recording head. The method and system include providing an insulator and fabricating at least one...
US-8,018,676 Optimized write pole flare angle for side shield or semi side shield PMR writer application
Improved writability and a reduction in adjacent track erasure are achieved in a PMR writer with a large flare angle of 45 and 90 degrees in the main write pole...
US-8,018,675 Thin film magnetic head
The thin-film magnetic head in accordance with the present invention comprises a magnetic pole, a coil surrounding the magnetic pole, and an insulating layer...
US-8,018,674 Disk drive and method of measuring frictional characteristics
According to one embodiment, in a disk drive, a voice coil motor is controlled to cause a head to minutely vibrate in a radial direction on a track of a disk....
US-8,018,673 Disk drive, method for measuring clearance and method for writing servo patterns
A disk drive. The disk drive includes a plurality of head-sliders, an actuator, a plurality of clearance adjustment sections, and a controller. Each head-slider...
US-8,018,672 Magnetic recording device and magnetic recording method thereof
A magnetic recording device according to one embodiment includes a magnetic recording medium having a magnetic recording layer; a recording element positioned...
US-8,018,671 Mapping defects on a data wedge basis
A method to map defects is provided. A select data track of a storage medium is scanned for a defect. At least one data wedge affected by the defect on the...
US-8,018,670 Evaluation apparatus
An evaluation apparatus for evaluating a transfer characteristic of a controlled object of a controller is disclosed. The evaluation apparatus includes a...
US-8,018,669 Proximity detection method for magnetic head and recording medium
Touchdown between a read/write head of disk drive and a recording medium is detected based on the variance in the frequency domain of position error signals...
US-8,018,668 Lens module
An exemplary lens module includes a barrel, a holder, and an elastic member. The barrel includes a first cylindrical part and a first threaded part. The first...
US-8,018,667 Optical apparatus
An optical apparatus includes a second member 6 supporting a first member 4 so as to be movable in an optical axis direction and biasing devices 401 and 406...
US-8,018,666 Lens-driving unit
Provided is a lens-driving unit reduced in size and improved in durability. A first flexible printed wiring board of the lens-driving unit has a terminal on one...
US-8,018,665 Lens moving frame and lens device
A lens moving frame according to an embodiment of the invention includes a holder portion. The holder portion includes: wall portions having guide holes formed...
US-8,018,664 Housing structure
A housing structure has a frame structure 1 on which there are arranged via connecting elements 7 several optical elements 5 which are held in mounts 6 or...
US-8,018,663 Image forming lens, camera and portable information terminal
An image forming lens includes: a first optical system positioned in an object side, a second optical system positioned in an image side, and an aperture stop...
US-8,018,662 Imaging lens
An imaging lens includes a first lens L1 having positive curvature radii on both an object side and an image side, a second lens L2 having a concave shape on...
US-8,018,661 Lens barrel and optical element driving device
A lens barrel has a first lens group, a second lens group, a third lens group, a first support frame for supporting the first lens group, a second support frame...
US-8,018,660 Zoom lens system and image pickup apparatus including the same
A zoom lens system includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a...
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