Lg Electronics Inc.

Jungyoun Kang

Shin Han

Hyunsun Yoo

Sangwoo Seo

Seolyong Shin

Donghyun Kim

Jaeyoung Lee

Jaekwang Lee

Obyoung Kang

Youchang Kim

Taehoon Yoo

Kyoungsu Nam

Yonghyuk Na

Dongyun Hyun

Teahoon You

An earphone capable of making it easy to remove foreign substances that have accumulated on a nozzle portion and easy to control sound characteristics thereof is provided. The earphone includes a driver, a housing defining an electrical component mount on which the driver is mounted, a nozzle portion provided at one end of the housing and defining therein a nozzle hole communicating with the electrical component mount, a nozzle cap detachably coupled to an outer circumferential surface of the nozzle portion, and a nozzle mesh provided at the nozzle cap so as to cover the nozzle hole, wherein the nozzle cap serves to decrease output in a second peak region in a graph of output over frequency for the earphone and to increase a fourth peak region or expand a bandwidth of the fourth peak region in the graph.

Earphone

An ear unit and a portable sound device having the same are provided. The ear unit includes a driver unit, an ear housing configured to form an electric part in which the driver unit is mounted and including a bass hole and a flat hole formed in a first surface of the electric part, a rotator including a second surface opposite the first surface and rotatably coupled to the ear housing, and an opening/closing hole provided in the second surface of the rotator to open or close the bass hole or the flat hole according to rotation of the rotator. The flat hole is connected to an inner hole formed in one position inside the first surface so as to form a duct.

Ear unit and portable sound device

A portable electronic device including a housing; a button hole formed in the housing; and a button unit arranged in the button hole of the housing is provided. The button unit includes a top button coupled to the housing and covering the button hole, with a first direction length larger than a second direction length; a button frame provided in the housing, with one portion in the second direction coupled to a bottom of the top button and the other portion in the second direction coupled to an internal space of the housing; an actuator projected from a bottom surface of the button frame; and a dome switch pressed by the actuator and generating a signal, when the top button is pressed.

Portable electronic equipment

A portable sound equipment having a body curved in C-shape, the body including an elastic part, an earbud holder provided to the body, an earbud detachably attached to the earbud holder, the earbud including a sound output module configured to output sound, a main board situated within the body, the main board configured to control the sound output module by being connected to the earbud, a sound cable connecting the earbud and the main body, a rotation module located within the body between an end portion of the body and main board, the rotation module configured to have the sound cable wound on an outer circumference thereof, a bridge coupled with the body to cover one surface of the rotation module, a flexible board disposed along the bridge and having one side connected to the main board and another side coupled to a microphone.

Portable sound equipment

Growing community of inventors

Seoul, South Korea

Jungyoun Kang