Inventor

CHOI HAE-YONG

KR67 patents

⚠️ This page may combine multiple inventors who share the name “CHOI HAE-YONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CHOI HAE-YONG

CHOI HAE-YONG

3D image convertible projection optical system

Both side screen for combined use of 2D/3D images

Two-way mirror screen system for advertisement

High-definition sound-absorbing screen

Multi-direction image viewing system

Both-side image film screen

Symmetrical dual-structured wind power generation system

High brightness head-up display device

Large projection screen image device with seesaw structure for virtual reality

Portable virtual reality device

Portable folding virtual reality device

System for screen dance studio

3D observation device with glassless mode

Virtual reality theater structure

Audio-video system for sports cafes

3D image cinema system

Window image projection screen

Single channel stereoscopic monitor

Table type bi-directional imaging apparatus

Floor projection screen and method for manufacturing the same

Motion image advertising system coupled with advertising dummy

Portable screen device with dual shaft structure

Surface reflection type metallic screen and method of manufacturing the same

Spherical reflective screen with focus and method for manufacturing the same

Portable screen combined with rotary support

Support bar for virtual reality camera

3D image cinema system

CHOI HAE YONG

Cap type virtual reality display image system

Apparatus for synthesizing spatially separated images

Non motorized omni directional walking system device

Book-shaped virtual reality viewing device

Combined virtual reality equipment and packaging

Virtual training video screen apparatus for shooting live ammunitions

Virtual reality (VR) sports pub system

Curling game apparatus

Portable 3D printer

Space music stand device

Virtual face to face table device

Virtual reality video device for educational video monitor

Portable virtual reality device

SAMSUNG ELECTRO MECH

Apparatus and actuator for injecting a recording solution of a print head and method for producing the apparatus

Recording apparatus using motional inertia of marking fluid

Method for optimizing driving input signal in an ink jet head using shape memory alloy

Clamshell device for printers

Apparatus for injecting a recording solution of a print head using phase transformation of thin film shape memory alloy

SAMSUNG ELECTRONICS CO LTD

Actuator for ink jet printer head using shape memory alloy

Automatic optical filter displacing circuit

Printer head using shape memory alloy and method for manufacturing the same

Chrominance subcarrier generating circuit

(unassigned)

Visual and audio system for theaters