Samsung Electronics Co., Ltd.

Yong-woo Lee

Chang-heon Yoon

Wha-seob Sim

Byong-gwon You

Jong-min Kim

Tae-hyung Rhee

Hyung-jae Lee

Se-young Oh

Sang-hun Park

Sung-min So

Sung-jun Kim

Lars Johan Nilsson

Tae-Hyung Rhee

Woo-hyuk Jang

Eun-ji Kim

Hun-sok Oh

Lars Johan Albinsson Nilsson

Ho-joong Yong

Tao-hyung Rhee

Dmitry D Gusovsky

Vladimir Fedororich Khopin

Alexey Nikolaevich Guryanov

Hee-chul Cho

Electronic device includes first wireless communication interface; second wireless communication interface; and controller. The controller is configured to, based on discovering operation of external electronic device to discover the electronic device, establish connection with the external electronic device using the second wireless communication interface, based on the connection to access point using the first wireless communication method being required, transmit, via the second wireless communication interface, to the external electronic device, information indicating that the electronic device requires the connection to the access point using the first wireless communication method, based on the access point connection information received from the external electronic device via the second wireless communication interface, establish, via the first wireless communication interface, the connection with the access point using the first wireless communication method, and transmit reply to the external electronic device, indicating that the connection between the electronic device and the access point is established.

Electronic apparatus and method of setting network of audio device

An electronic apparatus connectable with a network, includes a communication interface configured to communicate with a first device and a second device; and a processor configured to store network connection setting information of the first device, determine, in response to receiving, from the second device, a signal requesting network connection setting information, whether the second device is capable of using the network connection setting information of the first device, and transmit the stored network connection setting information of the first device to the second device in accordance with a result of the determination.

Electronic apparatus and control method thereof

Provided are an electronic apparatus and a method which is performable by the electronic apparatus to set a network of an audio device. Furthermore, provided are an electronic apparatus that may transmit, via a second communication method, access point connection information that corresponds to an access point that is connected via a first communication method to an audio device, and a method for setting a network of the audio device.

Disclosed is an electronic device. The electronic device includes a display and a processor to provide a first UI for setting a reconnaissance target of an unmanned aerial vehicle, and based on the reconnaissance target being selected through the first UI, control the display to provide a second UI for selecting a flight path for reconnoitering the reconnaissance target, and the second UI includes image information regarding each of different flight paths for reconnoitering the reconnaissance target.

Electronic device and control method thereof

An electronic apparatus includes a sensor, a communicator and a processor that, based on sensing an input device being attached, identifies a control function assigned to an area to which the input device is attached, and based on receiving a signal corresponding to a predetermined physical operation from the input device through the communicator, performs a control operation corresponding to the received signal based on the identified control function.

Electronic apparatus, input device and method for control thereof

An electronic apparatus of the present disclosure includes: a communicator comprising communication circuitry configured to wirelessly communicate with one or more external apparatuses; a signal processor configured to process data; and a controller configured to control an external apparatus to be designated as a transmitter for transmitting data and the electronic apparatus to be designated as a receiver for receiving the data from the transmitter if it is determined that the external apparatus is within a preset distance of the electronic apparatus and the external apparatus is moving.

Electronic apparatus and recording medium

A device and method of controlling a sound reproducing device are disclosed. The device includes a communication unit, which transmits and receives data to and from the sound reproducing device; a sensing unit, which detects a motion of the device and obtains azimuth information regarding an azimuth pointed by a pre-set region of the device based on the motion; and a control unit, which receives the azimuth information regarding the sound reproducing device from the sound reproducing device via the communication unit and, if it is determined that the azimuth information regarding the device corresponds to the azimuth information regarding the sound reproducing device within a pre-set range, determines the sound reproducing device as a controlled device.

Device for controlling sound reproducing device and method of controlling the device

An electronic apparatus that connects an audio device to an access point (AP) via a wireless fidelity (WIFI) network, and the audio device are provided. The electronic apparatus includes a communication interface including communication circuitry configured to receive a probe request, and a controller configured to provide AP connection information corresponding to the AP to the audio device in response to an indicator that indicates a network setup between the audio device and the AP, wherein the indicator is included in the probe request.

Electronic apparatus, audio device, and method that is performable by the electronic apparatus to set network of the audio device

An optical amplifier including a pumping optical source, a plurality of erbium doped optical fibers for amplifying optical signals of a plurality of wavelengths using pumping light generated by the pumping optical source, and a plurality of gratings alternately connected to the optical fibers, for reflecting an optical signal of a specific wavelength among different wavelength optical signals amplified by the optical fibers, wherein when optical signals for channels have different powers, the optical signal power for each individual channel is equalized by amplifying and reflecting the optical signals at different positions with different amplification gains. Accordingly, in a system having a great loss such as long-distance transmission, optical signals of different wavelengths are reflected at different positions, and amplified by a gain medium, thus making power equalization possible.

Optical amplifier

A method for fabricating low-loss optically active device having an optical waveguide constructed of an optical waveguide core region (non-linear core region) necessitating the non-linear effect when waveguiding an optical signal, and an optical waveguide core region (linear core region) not necessitating the non-linear effect, the method includes method for fabricating an optically active device having an optical waveguide constructed of an optical waveguide core region (non-linear core region) necessitating the non-linear effect when waveguiding an optical signal, and an optical waveguide core region (linear core region) not necessitating the non-linear effect, the method includes the steps of: forming a lower clad layer having a refractive index lower than the material of the waveguide core regions and optical transparency on a substrate, forming a linear optical polymer layer on the lower clad layer by coating linear optical polymer having a refractive index lower than the material of the lower clad layer, forming a first metal layer at a region on the lower clad layer, other than the regions where the waveguide is to be disposed, etching a linear optical polymer layer without the first metal layer formed thereon, forming a non-linear optical polymer layer on the substrate having the non-linear core region, removing the non-linear optical polymer layer stacked to be higher than the waveguide core regions, removing the first metal layer, forming a second metal layer on the waveguide from which the first metal layer is removed, removing the linear optical polymer of the non-second metal layer portion, and forming an upper clad layer on the substrate with the linear optical polymer using a material having a refractive index lower than the waveguide core regions and optical transparency. The waveguide is formed using non-linear optical polymer only at the region where the non-linear effect such as optical modulation or optical switching occurs, and is formed using linear optical polymer at the remaining regions, thereby minimizing the overall waveguiding loss of the waveguide.

Method for fabricating low-loss optically active device

An apparatus and a method for combining an optical waveguide and optical fibers are provided. The apparatus includes an apparatus for combining optical fibers with an optical waveguide device, including a guide rail portion for alignment including guide rails for alignment spaced apart from each other by a predetermined distance, on a flat substrate, an optical fiber array portion put on the guide rail portion for alignment when the optical fibers are combined with the optical waveguide device, including an array of grooves for arranging the optical fibers spaced apart from each other by a predetermined distance in an array pattern, and including guide grooves for alignment having a concavo-convex relationship with the guide rail portion for alignment, and an optical waveguide device chip put on the guide rail portion when the optical fibers are combined with the optical waveguide, including the optical waveguide connected to the optical fibers of the optical fiber array portion, and including guide grooves for alignment spaced apart from each other by the same distance as that by which the rails of the guide rail portion are spaced apart from each other and having a concavo-convex relationship with the guide rail portion for alignment, to the outside of an optical waveguide area in which the cores of the optical fibers of the optical fiber array portion respectively coincide with those of the optical waveguide. According to the present invention, a light source and a photodetector (required for active alignment) are not necessary. A complicated alignment process of performing an alignment with respect to an alignment axis having six degrees of freedom with submicron precision is not necessary. Also, it is possible to save time and money when attaching the optical fibers to the optical waveguide device chip.

Apparatus and method for combining optical waveguide and optical fiber

An optical waveguide device for loss absorption, and a fabrication method thereof, are provided. The optical waveguide device for loss absorption includes: a substrate of a predetermined material; a lower cladding formed on the substrate; an optical waveguide formed on the lower cladding, and formed of a material having a refractive index greater than a refractive index of the lower cladding; an upper cladding formed so as to completely cover the optical waveguide; and an absorption layer formed of a material having refractive index greater than a refractive index of the upper cladding, and formed on the upper cladding to a thickness which can absorb a reflected or radiated optical signal. As described above, an absorption layer capable of absorbing light is formed in the waveguide device upon fabricating the optical waveguide, thus minimizing or removing loss due to reflection and radiation of an optical signal.

Optical waveguide device for loss absorption and fabrication method

An optical fiber passive alignment apparatus for passively aligning optical fibers with input/output optical waveguides of an integrated optical device includes an optical fiber array block on which the optical fibers are mounted with a uniform spacing and having alignment grooves parallel to the optical fibers, and an optical fiber fixing plate for fixing the mounted optical fibers to a substrate; an optical waveguide device chip having an input/output optical waveguide array consisting of optical waveguides corresponding to the optical fibers, for coupling with the optical fibers, and alignment holes; and an alignment platform having first alignment ridges separated by the same spacing as the alignment grooves, for coupling with the alignment grooves, alignment bumps in positions corresponding to the alignment holes, for coupling with the alignment holes, and a space between the first alignment ridges for preventing the optical fiber plate of the optical fiber block array from contacting the alignment platform. The optical fiber passive alignment apparatus does not require a light source and a photodetector, or precise alignment with respect to an alignment axis having six degrees of freedom, so that less time and cost are required for attaching optical fibers to the optical waveguide device chip.

Growing community of inventors

Hwaseong-si, South Korea

Yong-woo Lee