Abstract: This antenna module (100) includes a dielectric substrate (130) and radiation electrodes (121) and a ground electrode (GND) that are arranged on or in the dielectric substrate (130). A plurality of openings (122) are formed in at least one electrode out of the radiation electrode (121) and the ground electrode (GND), the plurality of openings (122) penetrating through the electrode but not penetrating through the dielectric substrate (130).

Abstract: A plurality of multi-band antenna elements operable at a plurality of frequencies constitutes an array antenna. An antenna drive unit selects at least some of the multi-band antenna elements from the plurality of multi-band antenna elements in accordance with one operation frequency selected from the plurality of operation frequencies, and causes the selected multi-band antenna elements to operate.

Abstract: An antenna module (100) includes a dielectric substrate (130) having a multilayer structure, a first radiating electrode (121) and a ground electrode (GND) that are disposed in the dielectric substrate (130), and a second radiating electrode (150) disposed in a layer between the first radiating electrode (121) and the ground electrode (GND). The first radiating electrode (121) is a power feed element to which radio frequency power is supplied. When the antenna module (100) is viewed in plan from a normal direction of the dielectric substrate (130), the first radiating electrode (121) and the second radiating electrode (150) at least partially overlap with each other. A thickness of the second radiating electrode (150) is larger than that of the first radiating electrode (121).

Abstract: A patch antenna includes a ground conductor pattern, feeding conductor patterns (11, 12), and a feed line (15). The feeding conductor patterns (11, 12) are disposed on the same side with respect to the ground conductor pattern and are of different sizes. The feeding conductor pattern (11) has feed points (111, 112) for direct feeding through the feed line. The feeding conductor pattern (12) has a feed point (121) for direct feeding through the feed line and a feed point (122) for capacitive feeding through the feed line. The feed points (111, 112) are opposite to each other with respect to a center point of the feeding conductor pattern (11). The feed points (121, 122) are opposite to each other with respect to a center point of the feeding conductor pattern (12).

Abstract: An antenna module includes a dielectric substrate, a plurality of antenna elements, a ground electrode (GND), and a conductor wall. The plurality of antenna elements is arranged in the dielectric substrate in an array form in a first direction and a second direction. The ground electrode (GND) is arranged on the dielectric substrate so as to face the plurality of antenna elements. For each antenna element included in the plurality of antenna elements, the conductor wall is arranged along the second direction between the antenna elements adjacent in the first direction but no conductor wall is arranged between the antenna elements adjacent in the second direction. The second direction is a polarization direction of a radio wave radiated from each of the plurality of antenna elements.

Abstract: An antenna module includes a dielectric substrate having a multilayer structure, a power supply element and a ground electrode (GND) disposed in or on the dielectric substrate, a parasitic element, a power supply wiring line, and first and second stubs to be connected to the power supply wiring line. The parasitic element is disposed in a layer between the power supply element and the ground electrode (GND). The power supply wiring line passes through the parasitic element and supplies radio frequency power to the power supply element.

Abstract: The antenna module includes a dielectric substrate having a multilayer structure, a feed element to which radio frequency power is supplied, a ground electrode (GND), a parasitic element disposed in a layer between the feed element and the ground electrode (GND), and a feed wire. The feed wire penetrates through the parasitic element, and supplies radio frequency power to the feed element. When the antenna module is viewed in a plan view from a normal direction of the dielectric substrate, at least part of the feed element overlaps with the parasitic element, and a first position (P1) at which the feed wire is connected to the feed element is different from a second position (P2) at which the feed wire reaches the layer in which the parasitic element is disposed from a side of the ground electrode (GND).

Abstract: An antenna module includes: a dielectric substrate including a multilayer structure, the dielectric substrate having a first surface and a second surface, the second surface being opposite the first surface; an antenna pattern formed on the first surface side of the dielectric substrate; a RFIC provided on the second surface of the dielectric substrate, the RFIC supplying a radio frequency signal to the antenna pattern; and a power supply line that supplies power to the RFIC, wherein the thickness of the power supply line in the stacking direction (Z axis direction) of the dielectric substrate is thicker than the thickness of the antenna pattern in the stacking direction.

Abstract: A patch antenna includes a ground conductor pattern, feeding conductor patterns (11, 12), and a feed line (15). The feeding conductor patterns (11, 12) are disposed on the same side with respect to the ground conductor pattern and are of different sizes. The feeding conductor pattern (11) has feed points (111, 112) for direct feeding through the feed line. The feeding conductor pattern (12) has a feed point (121) for direct feeding through the feed line and a feed point (122) for capacitive feeding through the feed line. The feed points (111, 112) are opposite to each other with respect to a center point of the feeding conductor pattern (11). The feed points (121, 122) are opposite to each other with respect to a center point of the feeding conductor pattern (12).

Abstract: An antenna module includes a base member, an antenna that includes a radiating element disposed in or on the base member, first and second feed lines each of which is connected to the radiating element, and a control circuit that is connected to the radiating element via the first feed line and the second feed line. The control circuit includes a signal processing circuit that is connected to the antenna via the first feed line and the second feed line and an antenna inspection circuit that checks an electrical conductivity of an electrical conduction path connecting the first feed line, the radiating element, and the second feed line to one another.

Abstract: An antenna device is enclosed in a housing. The antenna device includes a dielectric substrate in which a plurality of layers including a ground layer is stacked on top of one another, a feed element, a parasitic element, a feed line, and a conductive member placed in or on the dielectric substrate. The feed element is placed within or on a surface of the housing, and the parasitic element is placed in the dielectric substrate. The feed line is placed, in the dielectric substrate, in a layer between a layer in which the parasitic element is placed and the ground layer and sends a radio frequency signal. When the dielectric substrate is attached to the housing, the conductive member electrically connects the feed line and the feed element and supplies a radio frequency signal to the feed element.

Abstract: A multi-antenna module includes, on or in the dielectric substrate, a first radiation element, a second radiation element that operates at a frequency band lower than that of the first radiation element, and a ground plane. A first feed line and a second feed line are provided on or in the dielectric substrate. A first switch element switches between a first state in which a signal is supplied to the second radiation element and a second state including at least one of a state in which the second radiation element is connected to the ground plane with terminal impedance interposed therebetween, a state in which the second radiation element is in a floating state with respect to the second feed line and the ground plane, and a state in which the second radiation element is short-circuited to the ground plane.

Abstract: As such, in the disclosure, a slit is formed in a side plate. The slit has an opening in the upper end surface of the side plate. The opening has a width which is smaller than a thickness of the side plate and enables to correspond to a thickness t of the substrate and a length which enables to correspond to a length a of one side of the substrate. An RF antenna module is housed in the slit formed in the side plate of the housing to be accommodated in the housing by inserting the one side of the substrate through the opening of the slit, which is formed in the upper end surface of the side plate, and inserting the substrate into the slit by an amount equal to or larger than a length of another side of the substrate.

Abstract: A multi-antenna module includes, on or in the dielectric substrate, a first radiation element, a second radiation element that operates at a frequency band lower than that of the first radiation element, and a ground plane. A first feed line and a second feed line are provided on or in the dielectric substrate. A first switch element switches between a first state in which a signal is supplied to the second radiation element and a second state including at least one of a state in which the second radiation element is connected to the ground plane with terminal impedance interposed therebetween, a state in which the second radiation element is in a floating state with respect to the second feed line and the ground plane, and a state in which the second radiation element is short-circuited to the ground plane.

Abstract: First and second end-fire antennas are arranged on a dielectric substrate. The first end-fire antenna has polarization characteristics being parallel with a first direction. The second end-fire antenna has polarization characteristics being parallel with a second direction orthogonal to the first direction. A patch antenna provided with a first feed point and a second feed point, which are different from each other, is arranged on the dielectric substrate. When the patch antenna is fed from the first feed point, a radio wave whose polarization direction is parallel with the first direction is excited. When the patch antenna is fed from the second feed point, a radio wave whose polarization direction is orthogonal to the first direction is excited. A wireless communication module capable of achieving directivity in a wide range from a direction parallel with the substrate to the direction of the normal to the substrate is provided.

Abstract: A ground layer is disposed within a dielectric substrate. An antenna pattern that operates as an antenna is disposed so as to be closer to a first surface of the dielectric substrate than the ground layer is. A high-frequency device that supplies a high-frequency signal to the antenna pattern is mounted in or on a second surface of the dielectric substrate, which is opposite to the first surface. A plurality of signal conductor columns and a plurality of ground conductor columns that are made of a conductive material project from the second surface. Each of the signal conductor columns is connected to the high-frequency device by a wiring pattern, which is provided in or on the dielectric substrate, and the ground conductor columns are connected to the ground layer.

Abstract: This disclosure provides a wideband antenna including a feed line, a ground conductor plate and a radiating conductor element connected to the feed line and facing the ground conductor plate at a distance from the ground conductor plate. A parasitic conductor element is provided on a side opposite to the ground conductor plate as viewed from the radiating conductor plate and is insulated from these plates. A coupling adjusting conductor plate is positioned between the radiating conductor element and the parasitic conductor element, is configured to adjust an amount of coupling between them, overlaps an area where the radiating conductor element and the parasitic conductor element overlap, and straddles the radiating conductor element in a direction orthogonal to the direction of a current I that flows therein. Both end sides of the coupling adjusting conductor plate are electrically connected to the ground conductor plate via via-holes.

Abstract: As such, in the disclosure, a slit is formed in a side plate. The slit has an opening in the upper end surface of the side plate. The opening has a width which is smaller than a thickness of the side plate and enables to correspond to a thickness t of the substrate and a length which enables to correspond to a length a of one side of the substrate. An RF antenna module is housed in the slit formed in the side plate of the housing to be accommodated in the housing by inserting the one side of the substrate through the opening of the slit, which is formed in the upper end surface of the side plate, and inserting the substrate into the slit by an amount equal to or larger than a length of another side of the substrate.

Abstract: As such, in the disclosure, a slit is formed in a side plate. The slit has an opening in the upper end surface of the side plate. The opening has a width which is smaller than a thickness of the side plate and enables to correspond to a thickness t of the substrate and a length which enables to correspond to a length a of one side of the substrate. An RF antenna module is housed in the slit formed in the side plate of the housing to be accommodated in the housing by inserting the one side of the substrate through the opening of the slit, which is formed in the upper end surface of the side plate, and inserting the substrate into the slit by an amount equal to or larger than a length of another side of the substrate.