Abstract: An antenna device includes an oval-shaped element which is formed by geometrically combining a spherical portion and a conical portion so that the spherical portion is tangent to a bottom side of the conical portion. A ground plate is arranged to face a vertex of the conical portion in the oval-shaped element. A coaxial line includes an inner conductor and an outer conductor, the inner conductor being connected to the vertex of the conical portion of the oval-shaped element and the outer conductor being connected to the ground plate. A conductive reflecting plate is arranged on the ground plate to reflect a receiving radio wave or a transmitting radio wave.

Abstract: An antenna device includes a teardrop-shaped element including a cone-shaped part and a spherical surface part geometrically combined so that the spherical surface part is in contact with the cone-shaped part on its bottom-surface side; a ground plate opposed to the apex of the cone-shaped part of the teardrop-shaped element; and a coaxial line having an inside conductor connected to the apex of the cone-shaped part of the teardrop-shaped element and having an outside conductor connected to the ground plate. The ground plate defines a surface of a metal enclosure of a device to be connected to the antenna device, the device having at least one of a transmission function and a reception function.

Abstract: A disclosed antenna apparatus includes: a punched out antenna element made of a sheet metal; a punched out ground element made of a sheet metal, the ground element facing the antenna element; and a surface mount type coaxial connector mounted across the antenna element and the ground element.

Abstract: An input device includes a substrate and a movable object that moves on the substrate. One of the substrate and the movable object includes a magnetic field generator and the other of the substrate and the movable object includes electromagnetic conversion elements provided to detect magnetic fields generated outside of the magnetic field generator.

Abstract: An antenna apparatus is disclosed that includes an element member made of sheet metal, a ground member made of sheet metal, and a connection part that is integrally formed with the element member and the ground member.

Abstract: An antenna apparatus includes an antenna case housing an antenna; a connector to be connected to a device which connector is electrically connected to the antenna; and an antenna case supporting mechanism which supports the antenna case and enables changing a position of the antenna case at least to a horizontal position and a vertical position.

Abstract: An actuator includes: a magnetic field generator that has different magnetic poles alternately arranged in a plane, with a predetermined position being the center of the magnetic poles; a coil holder that holds a plurality of coils that are radially arranged and face the magnetic field generator, relative motion being caused between the magnetic field generator and the coil holder; and an electromagnetic conversion unit that detects the relative motion and is mounted on either the magnetic field generator or the coil holder.

Abstract: An antenna device is disclosed that includes: an element member; a ground member; and an adhesive through which the element member and the ground member are held in a predetermined positional relationship and affixed to a mounting object.

Abstract: An antenna apparatus is disclosed that includes an antenna element having a teardrop shape and configured to be fed with electrical power from an external power source; and a ground element coupled to the antenna element, wherein the antenna element includes one or more nonconductive portions.

Abstract: An antenna apparatus is disclosed that includes an antenna element having an inverted teardrop shape and configured to be fed with electrical power from an external power source; a ground element coupled to the antenna element; and a holding member configured to hold at least the top portion of the antenna element or a surface of a conical portion of the antenna element against the ground element.

Abstract: An antenna apparatus is disclosed that includes a feeding portion; a looped antenna element connected to the feeding portion; and a resistor inserted into the looped antenna element.

Abstract: A communication device is disclosed that includes an antenna apparatus including: a feeding portion, a looped antenna element connected to the feeding portion, and a resistor inserted into the looped antenna element; and a communication circuit configured to process data that is transmitted and received via the antenna apparatus.

Abstract: An antenna element is disclosed that includes a first antenna portion having a hemispherical shape; and a second antenna portion having a conical shape, and a feeding portion disposed at an apex of the conical shape and configured to be fed with an electrical power from an external power source, wherein the first antenna portion and the second antenna portion are engaged with each other to form the antenna element having a teardrop shape.

Abstract: An antenna apparatus is disclosed that includes a synthetic resin case having an antenna element accommodating portion and a ground element accommodating portion, an antenna element made of punched sheet metal that is accommodated within the antenna element accommodating portion, a ground element made of punched sheet metal that is accommodated within the ground element accommodating portion and aligned with the antenna element, a surface mount coaxial connector that is mounted over an interface between the antenna element and the ground element, and a cover that covers the antenna element and the ground element.

Abstract: A pulse detection apparatus including: a support member that supports a pulse sensor so as to touch a human body with the pulse sensor; a cable that is electrically connected to the pulse sensor and mechanically connected to the support member; a first restriction member that is provided on the cable, and restricts the movement of the cable in a lateral direction thereof by fitting in a first concave portion provided on the support member; and a second restriction member that is provided on the cable, and restricts the movement of the cable in an extension direction thereof by fitting in a second concave portion provided on the support member.

Abstract: A pulse detection apparatus including: a connector unit capable of connecting earphones; a first cable that is joined to the connector unit, and connected to a portable device; a second cable that connects the portable device and a pulse sensor to each other; and a cover portion that covers the connector unit such that the earphones are connectable to the connector unit, and covers the second cable such that the second cable passes through the inside of the cover portion.

Abstract: A biosignal detecting apparatus is disclosed. The biosignal detecting apparatus includes a pair of detecting electrodes which is attached to a human body for detecting a biosignal from the human body, a biosignal detecting circuit which receives the biosignal detected by the detecting electrodes and processes the detected biosignal, a transmitting electrode which is attached to the human body for transmitting the biosignal processed by the biosignal detecting circuit via the human body to an external apparatus and for transmitting a radio wave generated by a circuit in the biosignal detecting apparatus, and a circuit connected to one of the detecting electrodes which circuit receives the radio wave transmitted from the human body via the transmitting electrode and executes impedance matching between the biosignal detecting apparatus and the human body based on the received radio wave transmitted from the human body via the transmitting electrode.

Abstract: A capsule for medical use which is to be passed through a tract of a human or animal body includes a capsule-shape case, a wire antenna placed in a wrapped or folded state on at least a portion of an outer surface of the case, and a fixing member configured to fix the wire antenna in the wrapped or folded state, wherein the fixing member is configured to release the antenna inside the tract.

Abstract: An antenna device is disclosed that includes a dielectric substrate having first and second surfaces facing away from each other, an element pattern formed on the first surface of the dielectric substrate, a conductive pattern formed on the first surface of the dielectric substrate so as to extend from the feeding point of the element pattern, and a ground pattern formed on the second surface of the dielectric substrate so as to form a microstrip line in cooperation with the conductive pattern. The ground pattern has a cutout part formed in a portion thereof opposing the feeding point.

Abstract: A UWB flat antenna apparatus is disclosed. The UWB flat antenna apparatus includes an antenna element pattern, a ground pattern, and a multiple-stage filter including plural filter elements. Therein, the filter elements are electrically connected in series and are stacked, and the multiple-stage filter and the ground pattern are stacked.