A pen-shaped position indicator includes: i) a cylindrical housing; ii) a core received in the cylindrical housing and having a pointer tip extend from a distal end of the cylindrical housing; iii) a resonant circuit comprised of an inductive element and a capacitor and received in the cylindrical housing, wherein an inductance of the inductive element changes in response to a pressure applied to the pointer tip of the core; iv) a connection member received in the cylindrical housing between the inductive element and the capacitor, wherein the connection member includes a distal surface facing the inductive element and a proximal surface facing the capacitor, and the connection member includes a terminal member having a distal end and a proximal end; and v) a first conductor disposed on a distal surface of the capacitor facing the proximal surface of the connection member, wherein the first conductor electrically connects the capacitor, via the at least one terminal of the connection member, to the inductive element.

A pen-shaped position indicator includes: i) a cylindrical housing; ii) a core received in the cylindrical housing and having a pointer tip extend from a distal end of the cylindrical housing; iii) a resonant circuit comprised of an inductive element and a capacitor and received in the cylindrical housing, wherein an inductance of the inductive element changes in response to a pressure applied to the pointer tip of the core; iv) a connection member received in the cylindrical housing between the inductive element and the capacitor, wherein the connection member includes a distal surface facing the inductive element and a proximal surface facing the capacitor, and the connection member includes a terminal member having a distal end and a proximal end; and v) a first conductor disposed on a distal surface of the capacitor facing the proximal surface of the connection member, wherein the first conductor electrically connects the capacitor, via the at least one terminal of the connection member, to the inductive element.

An AC power connector for connecting an AC power supply with a device is provided. The AC power connector includes at least one first element connectable with the AC power supply and at least one second element connectable with the device, the first element and the second elements being arranged at a first distance with respect to each other for defining a capacitance, wherein the at least one first element and the at least one second element are rotatable with respect to each other, wherein the first element and the second element are configured for a transfer of an AC power between the at least one first element and the at least one second element.

A variable capacitor is disclosed. The variable capacitor includes a multi-layer ceramic capacitor member, and a capacitance varying mechanism. The multi-layer ceramic capacitor member includes one or two external electrode(s), a ceramic dielectric, and a plurality of electrode layers positioned inside the ceramic dielectric. The capacitance varying mechanism includes an electrical conductor positioned aside and approximate to the ceramic dielectric. The electrical conductor is deformable responsive to a pressure applied thereon, and an area of the electrical conductor in contact with the ceramic dielectric varies in accordance with the pressure, thus varying a capacitance value between the external electrode(s) and the electrical conductor. In general, the external electrode(s) of the multi-layer ceramic capacitor member serve(s) as fixed electrode(s) of the variable capacitor.

A variable capacitor is disclosed. The variable capacitor includes a multi-layer ceramic capacitor member, and a capacitance varying mechanism. The multi-layer ceramic capacitor member includes one or two external electrode(s), a ceramic dielectric, and a plurality of electrode layers positioned inside the ceramic dielectric. The capacitance varying mechanism includes an electrical conductor positioned aside and approximate to the ceramic dielectric. The electrical conductor is deformable responsive to a pressure applied thereon, and an area of the electrical conductor in contact with the ceramic dielectric varies in accordance with the pressure, thus varying a capacitance value between the external electrode(s) and the electrical conductor. In general, the external electrode(s) of the multi-layer ceramic capacitor member serve(s) as fixed electrode(s) of the variable capacitor.

A composite electronic component includes a capacitor component and an inductor component. A capacitor body has a first end face and a second end face that are opposed to each other in a longitudinal direction and a first side face. At least one of capacitor outer electrodes is provided on the first end face of the capacitor body. An inductor body has a first end face and a second end face that are opposed to each other in the longitudinal direction and a first side face. At least one of inductor outer electrodes is provided on the first end face of the inductor body. The first side face of the capacitor body is opposed to the first side face of the inductor body, and the first end face of the capacitor body and the first end face of the inductor body are positioned in the same direction.

A composite electronic component includes a capacitor component and an inductor component. A capacitor body has a first end face and a second end face that are opposed to each other in a longitudinal direction and a first side face. At least one of capacitor outer electrodes is provided on the first end face of the capacitor body. An inductor body has a first end face and a second end face that are opposed to each other in the longitudinal direction and a first side face. At least one of inductor outer electrodes is provided on the first end face of the inductor body. The first side face of the capacitor body is opposed to the first side face of the inductor body, and the first end face of the capacitor body and the first end face of the inductor body are positioned in the same direction.

Energy storage devices are disclosed that store both electrical and mechanical energies, making the total energy stored larger than either an electrical or mechanical means alone. The energy storage device is charged by the application of a voltage, which charges a capacitor to store electrical energy while simultaneously exerting a force on the mechanical system that deforms the mechanical system, resulting in mechanical energy storage. When the charged device is discharged, both the electrical and mechanical energy are extracted in electrical form. Its unique features include, but are not limited to, the potential for long lifetime, improved safety, better portability, a wide operating temperature range, and environment friendliness. Arrays of energy storage devices can be assembled in various configurations to build high capacity energy storage units.

Energy storage devices are disclosed that store both electrical and mechanical energies, making the total energy stored larger than either an electrical or mechanical means alone. The energy storage device is charged by the application of a voltage, which charges a capacitor to store electrical energy while simultaneously exerting a force on the mechanical system that deforms the mechanical system, resulting in mechanical energy storage. When the charged device is discharged, both the electrical and mechanical energy are extracted in electrical form. Its unique features include, but are not limited to, the potential for long lifetime, improved safety, better portability, a wide operating temperature range, and environment friendliness. Arrays of energy storage devices can be assembled in various configurations to build high capacity energy storage units.

This application discloses a variable capacitor, a reflection-type phase shifter, and a semiconductor device, which relate to the technical field of electronics, so as to resolve the problem that a capacitance value of a variable capacitor is sensitive to changes in PVT. The variable capacitor includes: a first comb structure and a first set of fingers, where the first comb structure includes a plurality of comb teeth, the first set of fingers includes at least one finger, and the finger in the first set of fingers is disposed between at least two comb teeth of the first comb structure, without electrical contact; a second comb structure and a second set of fingers, where the second comb structure includes a plurality of comb teeth.