Abstract: Disclosed herein is a common mode filter that includes first and second terminal electrodes provided on the first flange part, third and fourth terminal electrodes provided on the second flange part, a first wire wound around the winding core part and having one end connected to the first terminal electrode and other end connected to the third terminal electrode, and a second wire wound around the winding core part and having one end connected to the second terminal electrode and other end connected to the fourth terminal electrode. The winding core part includes a first winding region, a second winding region, and a third winding region positioned between the first and second winding regions in the axial direction. The first and second wires are bifilar-wound in the first and second winding regions and layer-wound in the third winding region.

Abstract: A spark plug that satisfies the relation 2.8?(A+B)/M, where A is the sum of a length A1 of contact between a sheet packing and a metallic shell of a spark plug in one half section and a length A2 of contact between the sheet packing and the insulator in the one half section, and B is the sum of a length B1 of contact between the sheet packing and the metallic shell in the other half section and a length B2 of contact between the sheet packing and the insulator in the other half section. M is the difference obtained by subtracting the inner diameter D of a ledge from the inner diameter C of a middle hole portion.

Abstract: A liquid ejecting apparatus includes a liquid ejecting head which ejects a liquid, a discharge portion which discharges a waste liquid discharged from the liquid ejecting head, and a mounting unit which is provided with the discharge portion and in which is mounted a waste liquid container capable of storing the waste liquid which is discharged from the discharge portion, in which the mounting unit includes a liquid holding portion capable of holding the waste liquid in a periphery of the discharge portion.

Abstract: A spark plug includes a tubular metal shell that includes a metal-shell step portion extending in an inner circumferential direction, an insulator that is inserted in the metal shell, that includes a facing portion that faces the metal-shell step portion with an annular packing interposed therebetween, a center electrode that extends in the axial direction, that has a flange portion extending in an outer circumferential direction, and a seal body seals the insulator and the center electrode. In a section that contains the axial line and that is along the axial line, a distance L along the axial line from a rear end of the facing portion of the insulator to a rear end of a portion at which the flange portion is in contact with the insulator satisfies L?1.1 (mm).

Abstract: An imaging device includes: pixels arranged in m rows by n columns; a comparator that generates a first output signal indicating a result of comparison between a first pixel signal outputted from each pixel located in an ath column among the pixels and a reference signal; a first counter that generates a first digital signal by counting a period from start of a first counting period to inversion of the first output signal; and a first control circuit that controls, in accordance with a magnitude correlation between the first digital signal obtained from a first pixel located at the ath column and a bth row and a threshold, an operation current of the comparator in the first counting period of a second pixel located at the ath column and a cth row different from the bth row.

Abstract: Disclosed is a spark plug capable of preventing electrode wear while ensuring impact resistance. In the spark plug, a conductive seal is arranged between a rear end portion of a center electrode and a resistor within an axial hole of an insulator. The conductive seal includes a side-surface seal layer brought into contact with the whole of a side surface of the rear end portion of the center electrode and having a thickness of 10 ?m or larger in an axis perpendicular direction. Assuming that a projection area is defined by projecting the center electrode onto the axial hole in the axis perpendicular direction around a center axis of the spark plug, a contact surface of the resistor brought into contact with the axial hole overlaps at last a part of the projection area.

Abstract: A common mode filter includes a core, and first and second wires wound around the core. Each of the first and second wires includes at least i?1th turn, ith turn, and i+1th turn. The ith turn of the first wire intersects with the ith turn of the second wire without intersecting each of the i?1th and i+1th turns of the second wire.

Abstract: A method of manufacturing a spark plug includes: mounting a metal shell on an assembly body of a temporary insulator and a temporary center electrode; causing discharge to occur between the temporary center electrode and the metal shell by applying a voltage across the metal shell and the temporary center electrode and capturing, while the discharge is occurring, an image of a range including the temporary center electrode, the temporary insulator, annular space which is present between the temporary insulator and the metal shell and has an opening on the front end side, and the metal shell; and determining whether or not the form of the inner circumferential surface of the metal shell is a predetermined form.

Abstract: A coil device includes a core, an inner coil portion, an outer coil portion, and an intermediate resin layer. The core includes a winding portion and a flange positioned at an end of the winding portion in an axial direction. The inner coil portion is constituted by winding a first wire around the winding portion. The outer coil portion is constituted by winding a second wire outside the inner coil portion. The intermediate resin layer exists between the inner coil portion and the outer coil portion.

Abstract: A common mode filter includes a core, and first and second wires wound around the core. Each of the first and second wires includes at least i?1th turn, ith turn, and i+1th turn. The ith turn of the first wire intersects with the ith turn of the second wire without intersecting each of the i?1th and i+1th turns of the second wire.

Abstract: A spark plug includes an insulator having an axial hole formed in a direction of an axis, a center electrode held in one end side of the axial hole, a metal terminal held in the other end side of the axial hole, an electrical connection part arranged to establish electrical connection between the center electrode and the metal terminal within the axial hole, and a metal shell disposed around an outer circumference of the insulator and having a thread portion formed on at least a part of an outer circumferential surface thereof. The electrical connection part has a resistor, and a conductive seal layer provided between the resistor and the center electrode to seal and fix the insulator and the center electrode together. In a half or more of a region in which the seal layer is provided in the direction of the axis, the spark plug satisfies predetermined conditions.

Abstract: A spark plug includes an insulator having an axial hole formed in a direction of an axis, a center electrode held in one end side of the axial hole, a metal terminal held in the other end side of the axial hole, an electrical connection part arranged to establish electrical connection between the center electrode and the metal terminal within the axial hole, and a metal shell disposed around an outer circumference of the insulator and having a thread portion formed on at least a part of an outer circumferential surface thereof. The electrical connection part has a resistor, and a conductive seal layer provided between the resistor and the center electrode to seal and fix the insulator and the center electrode together. In a half or more of a region in which the seal layer is provided in the direction of the axis, the spark plug satisfies predetermined conditions.

Abstract: Disclosed herein is a differential mode filter that includes first and second terminal electrodes provided on a first flange part of a core, and first and second wires wound around a winding core part of the core in an opposite direction to each other and connected respectively to the first and second terminal electrodes. The first and second wires cross each other on the winding core part to form a plurality of crossing portions that include first, second, and third crossing portions that are first, second, and third occurrences counting from the one end of the first and second wires, respectively. A first crossing angle between the first and second wires at the first crossing portion is larger than at least one of second and third crossing angles between the first and second wires at the second and third portions, respectively.

Abstract: Disclosed herein is an electronic circuit module that includes a circuit board and a common mode filter mounted on the circuit board. The common mode filter includes first and second terminal electrodes constituting a first pair of terminal electrodes and third and fourth electrodes constituting a second pair of terminal electrodes. The circuit board includes: a first wiring layer having first, second, third, and fourth land patterns connected to the first, second, third, and fourth terminal electrodes, respectively, and first, second, third, and fourth wiring patterns connected to the first, second, third, and fourth land patterns, respectively; and a second wiring layer having a ground pattern that overlaps the first, second, third, and fourth wiring patterns without overlapping the first and second land patterns.

Abstract: Disclosed herein is a differential mode filter including a core including a winding core part, a first wire wound around the winding core part in a first winding direction, and a second wire wound around the winding core part in a second winding direction opposite to the first winding direction. The winding core part includes first and second winding surfaces. A first crossing angle between the first and second wires that cross a plurality of times on the first winding surface is smaller than that a second crossing angle between the first and second wires that cross a plurality of times on the second winding surface.

Abstract: Disclosed herein is a common mode filter that includes first and second terminal electrodes provided on the first flange part, third and fourth terminal electrodes provided on the second flange part, a first wire wound around the winding core part and having one end connected to the first terminal electrode and other end connected to the third terminal electrode, and a second wire wound around the winding core part and having one end connected to the second terminal electrode and other end connected to the fourth terminal electrode. The winding core part includes a first winding region, a second winding region, and a third winding region positioned between the first and second winding regions in the axial direction. The first and second wires are bifilar-wound in the first and second winding regions and layer-wound in the third winding region.

Abstract: A device is provided that includes a core having a first end and a second end, and first and second wires wound around the core so as to cross each other on the core to form a cross point. The a winding structure of an ith turn of the first and second wires counting from the cross point toward the first end, and a winding structure of an ith turn of the first and second wires counting from the cross point toward the second end, are substantially symmetrical about the cross point.