Abstract: An input waveguide (6) having one end connected between an L-shaped waveguide (1a) and an L-shaped waveguide (1f) and another end connected to the PORT (1); an output waveguide (7) having one end connected between the L-shaped waveguide (1a) and a flat waveguide (1b) and another end connected to the PORT (2); an output waveguide (8) having one end connected between the flat waveguide (1b) and an L-shaped waveguide (1c) and another end connected to the PORT (3); an output waveguide (9) having one end connected between the L-shaped waveguide (1c) and an L-shaped waveguide (1d) and another end connected to the PORT (4); and a plurality of branching waveguides (10) each having one end connected to the output waveguide (7) and another end connected to the output waveguide (8) are provided.

Abstract: Provided is a structure configured to electrically connect multi-layer dielectric waveguides, each including a dielectric waveguide formed of conductor patterns and vias in a laminating direction of the multi-layer dielectric substrate, in which the vias for forming part of a waveguide wall of each of the dielectric waveguides are arranged in a staggered pattern in the multi-layer dielectric substrate side having choke structures formed so as to electrically connect the waveguides to each other.

Abstract: A feeder circuit includes: a first line 103 having first and second ends; a second line 104 having first and second ends; a third line 105 having first and second ends; a first combiner 101 configured to combine signals output from the second ends of the first and second lines 103 and 104; a first coupling portion 115 configured to electrically couple portions of the first and third lines to each other; and a second coupling portion 116 configured to electrically couple portions of the second and third lines to each other in a manner that allows a signal reaching the first combiner from the first end of the third line through the first coupling portion and a signal reaching the first combiner from the first end of the third line through the second coupling portion, to be cancelled out.

Abstract: An optical communication connector, an optical communication cable, and an electronic device that have excellent maintenance properties and can prevent parallel light (collimated light) from being directly emitted to the outside of an optical connector during non-optical coupling. There is provided an optical communication connector device that includes a collimating lens configured to collimate light from an optical transmission path; a refracting section arranged on a leading end side with respect to the collimating lens, and configured to refract and eject light from the optical transmission path ejected from the collimating lens; and a scattering section configured to scatter at least a part of the light ejected from the refracting section.

Abstract: A recess in a metal housing accommodating a high frequency package includes a first space and a second space and has a winners podium shape in cross-sectional view. A thermally conductive material is sandwiched between the metal housing having heat dissipating fins and the high frequency package.

Abstract: Lossy members, which are disposed to overlap with a part of branch conductors in a signal conductor, respectively, and cause a loss of the power of signals flowing in the branch conductors, and via holes connecting each of the output terminals of the signal conductor and the ground conductor are included. The branch conductor includes a delay circuit having an electrical length of 90 degrees.

Abstract: [Object] To have excellent maintenance properties and restrain parallel light (collimated light) from being directly emitted to the outside of an optical connector during non-optical coupling. [Solution] An optical communication connector according to the present disclosure includes: a collimating lens configured to collimate light from an optical transmission path; and a diffusion section arranged on a leading end side with respect to the collimating lens, and configured to diffuse the light from the optical transmission path output from the collimating lens. According to this configuration, in the optical communication in which insertion and removal are frequently performed, it is possible to achieve their safety during non-fitting at the same time while having an advantage because of a collimating signal since light from an optical transmission path is diffused.

Abstract: A hollow-waveguide-to-planar-waveguide transition circuit includes: a dielectric substrate; strip conductors formed on a first main surface of the dielectric substrate; a ground conductor formed on a second main surface of the dielectric substrate, facing the strip conductors in the thickness direction; a slot formed in the ground conductor; a coupling conductor formed at a position to be electrically coupled with the strip conductors on the first main surface; and branch conductor lines formed on the first main surface. Each of the branch conductor lines includes a base portion branching from the coupling conductor and a tip portion that is electrically open.

Abstract: An input waveguide (6) having one end connected between an L-shaped waveguide (1a) and an L-shaped waveguide (1f) and another end connected to the PORT (1); an output waveguide (7) having one end connected between the L-shaped waveguide (1a) and a flat waveguide (1b) and another end connected to the PORT (2); an output waveguide (8) having one end connected between the flat waveguide (1b) and an L-shaped waveguide (1c) and another end connected to the PORT (3); an output waveguide (9) having one end connected between the L-shaped waveguide (1c) and an L-shaped waveguide (1d) and another end connected to the PORT (4); and a plurality of branching waveguides (10) each having one end connected to the output waveguide (7) and another end connected to the output waveguide (8) are provided.

Abstract: A waveguide circuit (1) includes a first waveguide tube (10), a second waveguide tube (20), and a third waveguide tube (30). The first waveguide tube (10), the second waveguide tube (20), and the third waveguide tube (30) have cross-sectional shapes to allow propagation of TE modes. The tube axis of the second waveguide tube (20) is parallel to the tube axis of the first waveguide tube (10). One of the narrow sidewalls of the second waveguide tube (20) faces a narrow sidewall (10s) of the first waveguide tube (10). The third waveguide tube (30) includes a coupler that connects a hollow guide of the third waveguide tube (30) to a hollow guide of the first waveguide tube (10) and a hollow guide of the second waveguide tube (20).

Abstract: To achieve a phase shift circuit capable of obtaining good reflection characteristics and a desired phase shift amount at the center frequency without increasing the length in the propagating direction, the phase shift circuit includes: an input waveguide having an input terminal at one end; an output waveguide having an output terminal at one end; a middle waveguide whose thickness is thinner than a thickness of the input waveguide or the output waveguide and whose central position in a thickness direction different from a central position in the thickness direction of the input waveguide or the output waveguide; a first tapered waveguide which connects another end of the input waveguide with one end of the middle waveguide; and a second tapered waveguide which connects another end of the output waveguide with another end of the middle waveguide.

Abstract: A third coupler (3c) outputs a signal outputted from a first coupler (3a) to an input terminal (8-1) of a second septum polarizer (8b), and outputs a signal outputted from a second coupler (3b) to an input terminal (8-2) of a first septum polarizer (8a).

Abstract: A recess in a metal housing accommodating a high frequency package includes a first space and a second space and has a winners podium shape in cross-sectional view. A thermally conductive material is sandwiched between the metal housing having heat dissipating fins and the high frequency package.

Abstract: A duct 45 is tubular and has one opening 451 that is mounted in a position to face an inlet port provided in one side of an apparatus body and the other opening 452 that is mounted in a position to face an exhaust port provided in the other side of the apparatus body. In a tubular interior of the duct 45, a fan 43 and a radiating fin 42 are provided. The fan 43 causes outside air to flow in from the inlet port for discharge from the exhaust port, and heat caused inside the apparatus body is transmitted by a heat transfer unit to the radiating fin 42. The outside air is applied to the radiating fin 42 by the fan 43, whereby the heat caused inside the apparatus body can be discharged efficiently.

Abstract: [Object] To propose an optical communication connector, an optical communication cable, and an electronic device being novel and improved that have excellent maintenance properties and can prevent parallel light (collimated light) from being directly emitted to the outside of an optical connector during non-optical coupling. [Solution] There is provided an optical communication connector device including: a collimating lens configured to collimate light from an optical transmission path; a refracting section arranged on a leading end side with respect to the collimating lens, and configured to refract and eject light from the optical transmission path ejected from the collimating lens; and a scattering section configured to scatter at least a part of the light ejected from the refracting section.

Abstract: [Object] To have excellent maintenance properties and restrain parallel light (collimated light) from being directly emitted to the outside of an optical connector during non-optical coupling. [Solution] An optical communication connector according to the present disclosure includes: a collimating lens configured to collimate light from an optical transmission path; and a diffusion section arranged on a leading end side with respect to the collimating lens, and configured to diffuse the light from the optical transmission path output from the collimating lens. According to this configuration, in the optical communication in which insertion and removal are frequently performed, it is possible to achieve their safety during non-fitting at the same time while having an advantage because of a collimating signal since light from an optical transmission path is diffused.

Abstract: A feeder circuit includes: a first line 103 having first and second ends; a second line 104 having first and second ends; a third line 105 having first and second ends; a first combiner 101 configured to combine signals output from the second ends of the first and second lines 103 and 104; a first coupling portion 115 configured to electrically couple portions of the first and third lines to each other; and a second coupling portion 116 configured to electrically couple portions of the second and third lines to each other in a manner that allows a signal reaching the first combiner from the first end of the third line through the first coupling portion and a signal reaching the first combiner from the first end of the third line through the second coupling portion, to be cancelled out.

Abstract: A duct 45 is tubular and has one opening 451 that is mounted in a position to face an inlet port provided in one side of an apparatus body and the other opening 452 that is mounted in a position to face an exhaust port provided in the other side of the apparatus body. In a tubular interior of the duct 45, a fan 43 and a radiating fin 42 are provided. The fan 43 causes outside air to flow in from the inlet port for discharge from the exhaust port, and heat caused inside the apparatus body is transmitted by a heat transfer unit to the radiating fin 42. The outside air is applied to the radiating fin 42 by the fan 43, whereby the heat caused inside the apparatus body can be discharged efficiently.

Abstract: An imaging apparatus including a main unit, a grip, and an arm. The main unit includes an imaging device and imaging lens. The grip is configured to be gripped by a user. The arm includes a first attaching portion and a second attaching portion. The grip is attached to the first attaching portion, and the second attaching portion is attached to the main unit of the imaging apparatus. A position of the grip is adjustable, with respect to the main unit, about the second attaching portion. Further, an orientation of the grip is adjustable, with respect to the main unit, about the first attaching portion of the arm.

Abstract: Provided is a waveguide-microstrip line converter, including: a waveguide; a dielectric substrate that is connected to cover one end of the waveguide; a strip conductor that is disposed on a front surface of the dielectric substrate; a conductor plate that is disposed the front surface of the dielectric substrate, and connected to the strip conductor; a ground conductor that is disposed on a rear surface of the dielectric substrate; and a plurality of connection conductors that connect a periphery of the conductor plate and the ground conductor, in which: the ground conductor has an opening formed therein in a connection region; the strip conductor and the ground conductor form a microstrip line; and the plurality of connection conductors are arranged so that a distance between two lines of the plurality of connection conductors that are aligned in a longitudinal direction of the microstrip line, and disposed on both opposing sides of the conductor plate in a vicinity of a connection portion is narrower than