摘要:
A lighting circuit for lighting a vehicular lamp including a plurality of light-emitting diodes, includes: a selection unit for selecting the number of light-emitting diodes to be connected in series in the vehicular lamp based on an instruction from the outside; a switching regulator for applying an output voltage based on a power-supply voltage output by an external DC power supply to the selected number of light-emitting diodes to be connected in series, so as to supply a supply current to the selected number of light-emitting diodes; and an output controlling unit for controlling the output voltage of the switching regulator based on the supply current.
摘要:
A method of forming milled teeth on a roller cone of a milled tooth roller cone rock bit includes shaping a crest of a chisel shaped milled tooth on the roller cone. The crest is shaped such that the crest has a convex profile from one corner to an opposite corner of the crest. Such a crest is adapted to produce at least one of a convex axial stress distribution, a substantially even axial stress distribution, and a substantially smooth axial stress distribution. Further, the forming includes radiusing each of the corners at the ends of the crest of the chisel shaped milled tooth.
摘要:
Polyimide precursors contained in resin compositions of the present invention have a polymer structure unit represented by formula (1) below: wherein chemical structure A2 includes an alicyclic compound but not an aromatic compound such as a benzene ring so that they provide excellent light transmission over a wide wavelength range. The polyimide precursors are imidized at 7.5% or more and 36% or less so that they are less soluble in developing solutions and therefore are not dissolved in the developing solutions at unexposed parts. Thus, the resin compositions of the present invention can be used to form a resin film having a precise pattern by exposure and development.
摘要:
An strengthened door for an blast-resistant cargo container includes a door panel horizontally slidably mounted on the cargo container. The door panel has an upper side, a lower side, a first vertical side and a second vertical side each hooked on the cargo container to provide overlapping joints to effectively limit blast damage to the inside of the cargo container and prevent an aircraft from being damaged.
摘要:
An annular fluid or packer fluid, and methods of making the same, that includes a water-miscible solvent, a viscosifying additive, a crosslinking agent, a crosslinking inhibitor having the facility to inhibit crosslinking between the viscosifying additive and the crosslinking agent, and an initiating agent having the facility to overcome an action of the crosslinking inhibitor and to initiate crosslinking between the viscosifying additive and the crosslinking agent, is shown and described. The fluid has a thermal conductivity of no more than about 0.25 btu/(hr·ft·° F.) and a potential to substantially increase its viscosity upon sitting for a selected period of time.
摘要:
An apparatus, system and method are described for use in detecting the presence of malware on subscribers computers. The apparatus, system and method are network based and may be deployed within an Internet Service Provider (ISP) network. The system may include a plurality of network sensors for receiving and analyzing network traffic to determine the presence of malware. An aggregating apparatus receives alerts of the presence of malware and translates a network identifier of the alert to a subscriber identifier. The aggregating apparatus aggregates alert information and forwards it to a reporting infrastructure that can generate notifications in order to notify a subscriber that malware has been detected on a computer associated with the subscriber.
摘要:
An oilfield element or assembly having a polymeric substrate protected by a polymeric coating adhered to at least a portion of the polymeric substrate. The coating includes a polymer having the formula —[R(R1x)(R2y)]—, wherein: R is selected from C—C, aryl, or —C(R3p)(R4q)-aryl-C(R5r)(R6s)—; R1 and R2 may be the same or different; R3, R4, R5, and R6 are independently selected from halogen atoms and hydrogen atoms; and n is an integer ranging from 10 to 10,000.
摘要:
A stereo-examination system for imaging an object 8 is proposed, comprising an objective arrangement 3 having an optical axis 5 and an object plane 7 for positioning the object 8 to be imaged, wherein the objective arrangement 3 receives an object-side beam bundle 11 emanating from the object plane 7 into a solid angle region 9 and converts the same into an image-side beam bundle 13, a selection arrangement for selecting at least a pair of partial beam bundles 19, 20 from the image-side beam bundle 13, and an image transmission apparatus 51, 52 for generating a representation of images of the object 8 provided by the partial beam bundles 19, 20. The stereo-examination system is distinguished in that the selection arrangement is provided for displacing a beam cross-section of at least one of the two partial beam bundles 19, 20 relative to a beam cross-section of the image-side beam bundle 13, a controller 49 being provided for controlling the selection arrangement to displace the beam cross-section of the at least one partial beam bundle 19, 20 in circumferential direction about the optical axis 5.
摘要:
The distal end part of an arm 5 is turnably and removably connected to the distal end part of a base part 5 through a connection mechanism 7. An engagement recess 46 whose upper part opposing the arm 5 is open, is formed in a basal end part of the base part 2. The arm 5 is provided at its basal end part with an engagement pin 8 capable of fitting in the engagement recess 46 when the arm 5 is turned to an attachment position. A lock lever 6 for pressing the engagement pin 8 against the bottom part of the engagement recess 46 under the biasing force of a coiled spring 9, is turnably disposed at the distal end part of the base part 2 through a support pin 103. The lock lever 6 is provided at its distal end part with a pressing part 67 for pushing up the engagement pin 8 so as to escape from the engagement recess 46 when the lock lever 6 is turned clockwise against the biasing force of the coiled spring 9.
摘要:
The lamp for generating light, comprises a semiconductor light emitting element for emitting light, a fluorescent material, provided away from the semiconductor light emitting element, a first optical member operable to focus the light generated by the semiconductor light emitting element on the fluorescent material; and a second optical member having an optical center at a position where the fluorescent material is provided, operable to emit light from the fluorescent material based on the light focused by the first optical member to an outside of the lamp. The lamp is used as a headlamp in a vehicle, and the second optical member emits the light from the fluorescent material to the outside of the lamp, so that the second optical member form sat least one of a part of a cut line that defines a boundary between a bright region and a dark region of the headlamp.