The method of creating a metallic electrode on the ceramic insulator of a spark plug with a deposit of additional material using the laser weld deposition method, where this metallic electrode, formed by a diffusion metallic layer (3) of the joint between the weld deposit of the smelted wire and the insulator (1), is in the shape of a ring in the end part of the insulator body (1) around the central electrode (2) of the spark plug.

Light bulb removing and installing assemblies are provided that can be easily configured for use with light bulbs different sizes and/or shapes. The assembly can include at least two different types of bulb holding devices that are removably connected to one another in a nested manner. The assembly can include bulb holding devices of different sizes that have an open bottom, which is removably connectable to a common base. The assembly can include a resilient finger holder and a common base, where the common base includes a number of upstanding, radially directed flexible members.

A device for installing and removing lightbulbs comprises a removable gripping element including fingers configured for gripping a lightbulb, a telescopic cylinder coupled to the gripping element, wherein the telescopic cylinder is adjustable to different lengths, and a base housing, comprising: an electric motor located within the housing, a battery, a coupler for coupling the motor to the telescopic cylinder, the coupler comprising a tubular element, wherein the rotating shaft of the electric motor is inserted into an orifice in the first end, and wherein the second end is inserted into the proximal end of the telescopic cylinder, a cylindrical element that surrounds at least a portion of the tubular element, and at least one flange that connects the cylindrical element to the tubular element. The base housing also includes a switch on an exterior surface, the switch for activating power to the electric motor, wherein upon activation of power to the electric motor, the electric motor rotates the shaft, resulting in rotation of the coupler, the telescopic cylinder and the gripping element, thereby rotating a lightbulb to which the gripping element is attached.

According to one embodiment, an electronic device includes a substrate, an electrode, and a facing portion. The substrate has a through hole. The electrode is provided in the through hole in the substrate and extends along an axial direction of the through hole. The facing portion is provided on the substrate, is disposed at a position closer to a center of the through hole in a width direction than is the electrode, and faces, in the width direction, a portion of the electrode on one end side in the axial direction.

Provided is a standby power saving circuit. A switching element is arranged between a SMPS supplying power to a load and a power supply unit supplying power to the SMPS to block power supply to SMPS in a standby mode by turning off the switching element in the standby mode and to supply power to the SMPS only when an electronic device operates. In addition, a circuit supplying a power to a load and a circuit for supplying a standby power are separated, a power storage unit for supplying a driving power to the switching element is arranged inside the circuit for supplying the standby power, and if a charged power of the power storage unit is lower than a reference value, power is supplied to only the circuit for supplying the standby power, and the power storage unit is charged. Therefore it is possible to reduce a standby power.

An x-ray emitter includes a housing. In an embodiment, the method for assembling the housing includes producing a housing of the x-ray emitter and assembling the housing. The producing includes providing a material including a plurality of ferromagnetic particles, aligning the ferromagnetic particles through a magnetic field, the material being in a flowable state, and solidifying the material and fixing the alignment of the ferromagnetic particles.

An x-ray emitter includes a housing. In an embodiment, the method for assembling the housing includes producing a housing of the x-ray emitter and assembling the housing. The producing includes providing a material including a plurality of ferromagnetic particles, aligning the ferromagnetic particles through a magnetic field, the material being in a flowable state, and solidifying the material and fixing the alignment of the ferromagnetic particles.

A method of manufacturing a spark plug including a cylindrical tubular metallic shell having a screw portion on an outer surface thereof and a ground electrode attached to an end surface at one end of the metallic shell in the direction of the center axis thereof comprises a measurement step of measuring a surface of the screw portion which passes through a measurement region located at a predetermined position in the direction of the center axis, while rotating the metallic shell about the center axis thereof; an attachment position calculation step of calculating, on the basis of information obtained in the measurement step, an attachment position at which the ground electrode is attached to the end surface; and a joining step of joining the ground electrode to the end surface at the attachment position, wherein the measurement step includes a step of measuring a displacement of the surface of the screw portion by using a non-contact-type displacement sensor.

A resistor bypass circuit for a series lighting circuit includes a plurality of serially connected light sources and a bypass resistor being connected in parallel with at least one of the respective light sources, each respective light source being low wattage and being capable operating on a one hundred percent duty cycle as desired.

A resistor bypass circuit for a series lighting circuit includes a plurality of serially connected light sources and a bypass resistor being connected in parallel with at least one of the respective light sources, each respective light source being low wattage and being capable operating on a one hundred percent duty cycle as desired.