A radome device for a radar sensor of a vehicle has a radome with a central region which is permeable to electromagnetic radiation from the radar sensor. The radome device includes a heating element for controlling the temperature of a central region of the radome, wherein a heat output can be introduced into the central region of the radome by way of electrical energy. The central region has a preferred accumulation region, within which precipitation from the surroundings of the vehicle preferably accumulates when the radome device is arranged on the vehicle as intended. An overall heat output that is different from the heat output can be introduced into the preferred accumulation region.

A decorative component for a vehicle includes a decorative body portion having millimeter wave transmittance and a heating sheet. The decorative body portion is configured to decorate the vehicle by being attached to part of a vehicle on a leading side in a transmitting direction of millimeter waves from a millimeter wave radar device. The heating sheet includes a plastic sheet and a wire-shaped heater provided on the plastic sheet. At least a main portion of the heating sheet is provided integrally with the decorative body portion. The thickness in the front-rear direction is set uniform in at least a transmittance area of millimeter waves in the decorative body portion and the heating sheet.

A heater for vehicular sensors is configured to pass sensing energy and thereby permit placement of the heater directly over the sensing area in the path of the sensed energy. In this way, direct heating of the sensing area is provided minimizing the energy necessary to prevent icing and improving deicing speed.

A heater sheet is configured to be applied to a cover of a vehicle-mounted sensor. The heater sheet is provided with a sheet substrate which is attached to the cover, and at least one heat generating strip which is provided along the sheet substrate. The heat generating strip is formed in a mesh shape in which a large number of filamentous first electrical conductors and a large number of filamentous second electrical conductors intersect one another. The first electrical conductors and the second electrical conductors are arranged in such a way as to be inclined relative to a horizontal direction.

A detection-system for a vehicle to detect the presence of one or more object relative to the vehicle comprises a module-housing, a radar sensor component located within the module-housing for emitting a radar beam and receiving reflected signals in a detection mode. The radar sensor component comprises means for emitting a defrost beam in a defrost mode; the defrost beam overlapping the radar beam. The detection-system further comprises an absorber material located in the field of view of the defrost beam to absorb the energy of the defrost beam and to warm up in view to provide a defrosting effect.

A transparent heating element is disposed to face a sensor. The transparent heating element has a pair of bus bars spaced apart from each other in a first direction, and a plurality of coupling conductors coupling the pair of bus bars. The coupling conductors are arranged in a second direction not parallel to the first direction. The coupling conductor is folded back at least twice in the first direction.

A method for a radome structure having a heating and a light emitting function according to the present invention comprises forming a three dimensional shape with a film part comprising a film, and a light emitting circuit and a heating circuit printed on the film in a stack; cutting the film part, and integrating an upper cover, a lower cover, and the film part disposed between the upper and the lower cover, into one body using one of a bonding process or an injection-molding process.

A radome for on-board radar devices 1 is provided with heater wires 3 wired in parallel so as to be separated from each other in a plane direction of an electromagnetic-wave-transmitting base member. A line pitch d of the heater wires 3 arranged in parallel in an electromagnetic-wave transmission region R of the base member is set to 0.2 to 2.5 times a wavelength of electromagnetic waves of the radar of an on-board radar device. A surface occupancy rate of the heater wires 3 arranged in parallel in the electromagnetic-wave transmission region R of the base member is set to be greater than 10% to 35%. The present invention provides a radome for on-board radar devices with which it is possible to obtain an electromagnetic-wave transmission property required of a radome, and to melt snow satisfactorily with a high heater performance.

Provided is an electromagnetic wave transmitting heater that has excellent heating properties and is capable of suppressing an increase in a cross section of a heater wire. The electromagnetic wave transmitting heater includes a plurality of heater wires disposed at intervals to allow transmission of electromagnetic waves, a pair of lateral wires, one of the pair of lateral wires being coupled to one end of each of the heater wires, another one of the pair of lateral wires being coupled to another end of each of the heater wires, and a pair of coupling wires, one of the pair of coupling wires being coupled to one of the pair of lateral wires, another one of the pair of coupling wires being coupled to another one of the pair of lateral wires. The lateral wires each have a cross section larger than a cross section of each of the heater wires.

To suppress reduction in detection accuracy of a sensor. A vehicle resin member (20) includes: a resin member (30) having an opening (32) that passes from a first surface (30A) on the outside of a vehicle to a second surface (30B) on the inside of the vehicle; a transmission member (42) exposed on the first surface (30A) through the opening (32); and a sensor (44) provided in a first direction from the first surface (30A) toward the second surface (30B) with respect to the transmission member (42). The vehicle resin member (20) is attached to a window member of the vehicle such that the opening (32) does not overlap the window member and is positioned out of reach of a wiper provided to the window member.