Audio-technica Corporation

Nec Corporation

Mitsubishi Heavy Industries Limited

Kohei Yoshida

Fujio Okumura

Shingo Watanabe

Junichi Funada

Masakazu Ono

Kenji Wakafuji

Kazushi Sugyo

Ryota Nihei

Takeshi Fujita

Koji Yano

Masahiko Takahashi

Kazuhiro Miura

Toru Fusejima

Per Bolmstrand

Naoto Nakamura

Tatsuya Kawai

Provided is a display antenna including a display including a plurality of light emitters arranged in a grid, an antenna array having an antenna assembly in which a plurality of patch antennas through which light in a wavelength band of a visible region is transmitted is disposed in a grid, the antenna array being disposed to be superimposed on the display, and a phase shifter disposed in a gap region sandwiched between the plurality of light emitters, connected to at least one of the plurality of patch antennas, and configured to shift a signal to be transmitted and received.

Display antenna

Provided is an antenna device including an antenna array including a plurality of patch antennas arrayed in a grid, a first switch group including a first switch disposed on a wiring line connecting two adjacent patch antennas, and a second switch group including a second switch disposed on a wiring line between an antenna assembly formed by at least four adjacent patch antennas and a signal source connected to at least one patch antenna constituting the antenna assembly.

Antenna device and display antenna

Headphones

Provided are a fastener that can reduce the fastener weight, decrease body shear fracture, and avoid slip of a nut part and damage of the body due to the slip. The fastener includes: a metal nut part into which a bolt is screwed along an axis; and a resin body in which the nut part is inserted, the nut part includes an internal thread part into which the bolt is screwed from one end to another, a plate-like flange part connected to a side of the other end of the internal thread part and having a flange face perpendicular to the axis, and an erected part arranged at a position apart from the internal thread part radially about the axis and erected axially from the flange face, and the internal thread part and the erected part are inserted in the body.

Fastener, fastening structure, and method of designing fastener

Earphone

Growing community of inventors

Tokyo, Japan

Kohei Yoshida