An antenna has radio-frequency (RF) antenna elements and two substrates. A heater structure is connected to at least one of the two substrates, for heating the RF antenna elements. In one embodiment, the antenna comprises: a physical antenna aperture having an array of radio frequency (RF) antenna elements formed with patch and iris substrates, the iris substrate having a plurality of layers including an iris metal layer; and a heater structure coupled to one or more of the plurality of layers of the iris substrate for heating the RF antenna elements.

A multifunctional assembly having a resistive element a conductive element in electrical communication with the resistive element, the conductive element defining at least one of a plurality of multifunctional zones of the resistive element, wherein the conductive element is configured to direct a flow of electricity across at least one of the plurality of multifunctional zones of the resistive element in a preselected manner.

A computing device includes a peripheral component interconnect (PCI) card and a heater apparatus. The heater apparatus is located proximate to the PCI card and configured to heat the PCI card.

An aerosol generating device is disclosed comprising a heater for generating an aerosol and a vapour flow passage configured to transport the generated aerosol from the heater to a mouth end of the vapour flow passage. The vapour flow passage is extendable such that a length between the heater and the mouth end is adjustable.

An electrical connector assembly includes a male terminal having a first pivot feature and a plurality of contact arms extending from the first pivot feature. The assembly further includes a female terminal having a base plate defining a second pivot feature and a plurality of receptacle features configured to receive free ends of the plurality of contact arms as the first pivot feature engages the second pivot feature and the plurality of contact arms is rotated around the first and second pivot features.

An electrothermal heating device for heating a print medium includes an endless belt, a first electrode and a second electrode. The endless belt rotates in a rotational direction about a rotation axis that defines an axial direction, so as to generate heat when the endless belt rotates and is supplied with power. The endless belt includes a base portion made of a nanocomposite material having a carbon filler. The first and second electrodes are in contact with the base portion of the endless belt. The first and second electrodes extend in the axial direction of the endless belt, and are spaced apart in the rotational direction of the endless belt. A volume resistivity of the base portion of the endless belt in the rotational direction is less than a volume resistivity of the base portion in the axial direction.

Examples disclosed herein relate to a to a pitch gradient in a lamp filament, and a method of making. In one implementation, a lamp has a bulb filled with a gas. A filament is disposed within the bulb. The filament has a plurality of coils that include a first coil having a first point. The plurality of coils includes a second coil having a second point, and a third coil having a third point. The pitch gradient is defined by a first pitch between the second point and the first point, and a second pitch between the third point and the second point. The second pitch is greater than the first pitch. The second point is 360 degrees away from the first point. The third point is 360 degrees from the second point. A terminal coil is electrically coupled to at least the first coil, the second coil, and the third coil.

A three-dimensional heating atomization device includes a shell, a heating element, a first thermo-electrode lead and a second thermo-electrode lead, wherein a heating chamber is arranged in the shell, one end of the first thermo-electrode lead is connected with one end of the heating element, and one end of the second thermo-electrode lead is connected with the other end of the heating element, so that a bottom surface and a side surface of the heating chamber are both heated by one heating member, and three-dimensional heating is more uniform and efficient, thus being beneficial for improving an atomization effect. Moreover, the first thermo-electrode lead and the second thermo-electrode lead not only can be used for supplying electric energy to the heating element to heat the heating chamber, but also can form a thermocouple by using the first thermo-electrode lead and the second thermo-electrode lead, so that a temperature of the heating element is detected by the thermocouple to realize a temperature control function of the heating element, thus avoiding use of a temperature measurement accessory such as a temperature sensor, simplifying an internal structure of an atomizer product, reducing accessories needed by the whole product, and allowing assembly and use to be more convenient and efficient.

A device for inductively soldering at least one ferromagnetic contact element to at least one conductor structure on a nonmetallic plate, includes a system for fastening a plate during the soldering operation, at least one soldering tool having at least one induction loop or induction coil suitable for emitting a magnetic field, a system for mutually positioning the soldering tool and the contact element such that the switched-on magnetic field of the soldering tool reliably heats the ferromagnetic contact element and thus the solder joint, a generator that is suitable for generating an alternating voltage with a frequency of up to 1500 kHz and that can be connected to the induction loop or induction coil.

A heating assembly for an electronic vaporization device having an aerosol-generation substrate is disclosed. The heating assembly comprises a first substrate comprising a first surface and a second surface arranged opposite to each other, and a second substrate, comprising a third surface and a fourth surface arranged opposite to each other. The second surface and the third surface are arranged opposite to each other to form a gap having a capillary effect and a gradually changing height. An edge of the first substrate is provided with a liquid inlet formed thereon or by the edge of the first substrate with another component. The gap communicates the plurality of second micropores and the liquid inlet. The second substrate comprises a plurality of second micropores configured to guide the aerosol-generation substrate from the gap to the fourth surface.