A modular node for an optical communication network includes one or more transceiver modules of a plurality of transceiver modules, and a node core including a plurality of electrical connectors to electrically join up to the plurality of transceiver modules to the node core. At least some of the transceiver modules has an optical transceiver configured to emit optical beams carrying data and without artificial confinement, and detect optical beams emitted and without artificial confinement. The up to the plurality of transceiver modules electrically joined to the node core are spatially separated to provide configurable coverage for optical communication based on their number and placement. And the node core further includes switching circuitry configured to connect the one or more transceiver modules to implement a redistribution point or a communication endpoint in the optical communication network.

A pointing unit 102 is for use with a free space optical communications terminal 100 including an optical source 104. The pointing unit 102 includes a first portion 106 having a mirrored surface 108, the first portion 106 being orientatable relative to an optical beam 110 produced by the optical source 104 and incident on the mirrored surface 108 in use to direct a reflection 112 of the optical beam 110 from the mirrored surface 108 towards a target 107. The first portion 106 further includes a directional radio frequency antenna 114.

A sensing system. In some embodiments, the sensing system includes an imaging radio frequency receiver, an imaging radio frequency to optical converter, an imaging optical receiver, an optical beam combiner, and an imaging optical detector. The optical beam combiner is configured to combine an optical signal of the imaging radio frequency to optical converter, and an optical signal of the imaging optical receiver. In operation, the imaging radio frequency receiver, the imaging radio frequency to optical converter, and the optical beam combiner together form, on the imaging optical detector, an optical image of a radio frequency scene within a field of view of the imaging radio frequency receiver, and the imaging optical receiver and the optical beam combiner together form, on the imaging optical detector, an optical image of an optical scene within a field of view of the imaging optical receiver.

A method and system creating a distributed network suitable for transferring information between devices. In particular, the present disclosure relates to power generating server devices designed to act as nodes within a distributed network. Specifically, the present disclosure provides specialized devices designed to generate power using solar panels to power servers that are capable of operating as nodes within a distributed network.

A method and system creating a distributed network suitable for transferring information between devices. In particular, the present disclosure relates to power generating server devices designed to act as nodes within a distributed network. Specifically, the present disclosure provides specialized devices designed to generate power using solar panels to power servers that are capable of operating as nodes within a distributed network.

An optically transparent radar absorbing material has alternating layers of optically transparent conductive material with layers of even thickness of optically transparent material having a homogenous dielectric constant. The even thickness is one quarter of the wavelength of a targeted electromagnetic energy.

A front left lamp (7a) includes a housing (24a), an outer cover (22a) which covers an opening of the housing (24a), a lighting unit (42a) disposed in a space (Sa) formed by the housing (24a) and the outer cover (22a), and a corner cube reflector (25a), which is configured to increase radar radio wave reflectance and is disposed to face the housing (24a).

A precision guided munition (PGM) system is disclosed. The PGM system comprises a body including a nose portion. The nose portion includes an aperture. A window is attached, secured, or adhered to the body at the nose portion. One or more antenna substrates is attached, secured, or adhered to the window. A plurality of radiating elements is attached, secured, or adhered to the one or more antenna substrates. An image sensor configured to capture an image in front of the body. The image sensor is behind the aperture and is configured to focus at an infinity focus in front of the body. The one or more antenna substrates include unpopulated areas configured to let photons pass through the antenna substrates from the window to the image sensor. The photons are parallel or collimated and the captured image does not include features of the antenna substrates.

A terminal device includes: a screen and a mainboard, where an edge of the screen has a clearance area. The terminal device further includes a first RFIC and at least one antenna element. At least a portion of the antenna element is disposed within the clearance area. The antenna element is connected to the first RFIC, the first RFIC is disposed on a first FPC of the screen, and the first FPC is connected to the mainboard through a first BTB connector.

An antenna package according to an embodiment of the present disclosure includes an antenna device including an antenna unit, and a flexible circuit board electrically connected to the antenna unit. The flexible circuit board has a bending area. The flexible circuit board includes a core layer having a first surface and a second surface facing each other, a signal wiring disposed on the first surface of the core layer and electrically connected to the antenna unit, a ground line disposed on the first surface of the core layer to be spaced apart from the signal wiring, a ground layer disposed on the second surface of the core layer, and a via structure penetrating a portion of the core layer in a region excluding the bending area and connecting the ground line and the ground layer with each other.