Samsung Electronics Co., Ltd.

Lg Electronics Inc.

Samsung Display Co., Ltd.

Seoul National University

Sangha Park

Sungchan Kang

Cheheung Kim

Choongho Rhee

Yongseop Yoon

Hyeokki Hong

Hwi Dae Kim

Byunggil Jeong

Jinmyoung Kim

Seokwhan Chung

Junhyung Kim

Jeongkuk Kim

Kyu Hwan Hwang

Sunghyup Kim

Jaemin Hong

Namsoo Kim

Da-hee Jeong

Areum Lee

Eunbee Jo

Kyeongbin Lim

Seungmin Jin

Joongha Lee

Hyungyong Kim

Hyungjae Shin

Kanghyun Nam

Choong Ho Rhee

A filter system includes a first resonator having a first resonant frequency, and a second resonator having a second resonant frequency different from the first resonant frequency, and electrically connected to the first resonator. A first response characteristic of the first resonator and a second response characteristic of the second resonator with respect to a frequency include a first section in which a first phase of the first resonator is equal to a second phase of the second resonator, and a second section in which the first phase is different from the second phase by 180 degrees. A first electrode of the first resonator is reversely connected to a second electrode of the second resonator.

Filter system including resonator

A deposition mask for manufacturing a display panel includes a metallic base having a thickness of about 50 micrometers to about 200 micrometers and a plurality of openings defined therein, wherein at least some of the openings include a first opening having a first width and a second opening having a second width smaller than the first width respectively defined along a thickness direction of the metallic base, and wherein the metallic base includes a first part in which the first opening is defined, and a second part in which the second opening is defined, the second part having a width that increases in a direction downward from a top surface of the metallic base along the thickness direction of the metallic base.

Deposition mask, method of manufacturing the same, and method of manufacturing display panel

Provided are a method and device for recognizing a speaker by using a resonator. The method of recognizing the speaker includes receiving a plurality of electrical signals corresponding to a speech of the speaker from a plurality of resonators having different resonance bands; obtaining a difference of magnitudes of the plurality of electrical signals; and recognizing the speaker based on the difference of magnitudes of the plurality of electrical signals.

Method and apparatus for recognizing speaker by using a resonator

A chip bonding apparatus includes: a bonding contact configured to apply a bonding force to a semiconductor chip disposed on a substrate, the bonding contact having a first surface configured to face the semiconductor chip and a second surface opposite the first surface, the bonding contact including a protruding portion on the first surface, the protruding portion configured to contact the semiconductor chip, the bonding contact including a cavity formed in a region vertically overlapping the protruding portion, a heater disposed to be in contact with the second surface of the bonding contact to cover the cavity, and configured to heat the bonding contact, a bonding head disposed above the heater and configured to transmit the bonding force, and a partition wall structure protruding from a bottom surface of the cavity to partition an inner space of the cavity.

Chip bonding apparatus and method of manufacturing semiconductor device using the apparatus

Provided are a directional acoustic sensor that detects a direction of sound, a method of detecting a direction of sound, and an electronic device including the directional acoustic sensor. The directional acoustic sensor includes a sound inlet through which a sound is received, a sound outlet through which the sound received through the sound inlet is output, and a plurality of vibration bodies arranged between the sound inlet and the sound outlet, in which one or more of the plurality of vibration bodies selectively react to the sound received by the sound inlet according to a direction of the received sound.

Directional acoustic sensor and electronic device including the same

Sound signal processing apparatuses and methods of operating the same are provided. The sound signal processing apparatus includes: a band separator configured to separate sound signals into frequency bands; an adder configured to add sound signals; and a signal processor that is arranged between the band separator and the adder and comprises a plurality of signal processing blocks. The band separator includes elements for separating the sound signals into frequency bands, and the elements correspond one to one to the signal processing blocks.

Processing audio in multiple frequency bands with resonators

Provided are a neural network device and a method of operation thereof. The neural network device for speaker recognition may include: a memory configured to store one or more instructions; and a processor configured to generate a trained second neural network by training a first neural network, for separating a mixed voice signal into individual voice signals by executing the one or more instructions, generate a second neural network by adding at least one layer to the trained first neural network, and generate a trained second neural network by training the second neural network, for separating the mixed voice signal into the individual voice signals and for recognizing a speaker of each of the individual voice signals.

Neural network device for speaker recognition, and method of operation thereof

Processing audio in multiple frequency bands with minute resonator

Provided is a sound direction detection sensor capable of detecting a direction from which sound is coming by using a multi-resonator array. The disclosed sound direction detection sensor includes two resonator arrays, each including a plurality of resonators having different resonance frequencies. The two resonator arrays have different directivities. Each resonator array serves as an audio sensor, and the sound direction detection sensor detects a direction from which sound is incident, regardless of a distance between audio sensors.

Sound direction detection sensor including multi-resonator array

The present invention relates to a vehicle and a control method therefor. The vehicle according to one embodiment of the present invention comprises: at least one sensor for acquiring traveling information of the vehicle and external environment information of the vehicle; and a control unit for receiving traveling information of a first group, wherein the vehicles, which join the first group, are traveling on a road including a plurality of lanes, for determining a target position of the vehicle for the first group on the basis of at least one of the vehicle traveling information, the external environment information, and the traveling information of the first group, and for controlling the vehicle so as to execute at least one operation corresponding to the target position.

Vehicle and control method therefor

A piezoelectric micromechanical resonator includes a supporting beam including a fixed edge that is fixed to a supporting member and a free edge opposite the fixed edge, a piezoelectric sensor including an edge attached to the supporting member, the piezoelectric sensor further including a lower electrode, a piezoelectric unit, and an upper electrode sequentially stacked on a surface of the supporting beam, and a lumped mass provided on the surface of the supporting beam at a side of the supporting beam including the free edge, the upper electrode having a Young's modulus smaller than a Young's modulus of the lower electrode.

Piezoelectric micromechanical resonator

A directional microphone is provided which includes a substrate having a cavity that penetrates therethrough, a resonator array of at least one resonator, and a cover member. Each of the resonator array and the cover member covers covering at least a part of the cavity.

Growing community of inventors

Seoul, South Korea

Sangha Park