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IBL-26-2948

Motion-Controlled Mobile Device Stand

Listed on
2026-10-28
Mobile Device Stand with Contactless Motion-Sensing Automatic Positioning

This technology is a mobile device stand that secures a device to a cradle unit at the end of a link unit rotatably coupled to a base. A sensor detects user motion in the area surrounding the cradle, and a controller moves the cradle accordingly. The link unit uses two motors to drive a closed-loop linkage system consisting of fixed, driving, connecting, and driven links to adjust the cradle's position.

Conventional stands fix mobile devices at predetermined heights and angles, forcing users to manually adjust them whenever they change their posture or location. This is particularly inconvenient in environments like kitchens, where users move frequently or have wet hands, or in bedrooms, where adjusting the height and angle while lying down is difficult.

This technology distinguishes between a primary zone in front of the cradle and a secondary zone surrounding it, moving the cradle to a standard or extended distance based on where the motion is detected, allowing for precise hands-free adjustments. The center of gravity is concentrated in the base for stability, with options for floor or furniture mounting. It is ideal for kitchen recipe viewing, bedroom media consumption, and vehicle or office stands, enabling easy screen alignment even when both hands are occupied.

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Key Features:
  • A mounting structure where a cradle unit holding a mobile device is attached to the end of a link unit rotatably coupled to a base
  • A sensor that detects motion information within a predefined area around the cradle, and a controller that adjusts the cradle's position based on the detected motion
  • A link unit featuring a closed-loop linkage of a fixed link rotated by a first motor, and a driving link, connecting link, and driven link rotated by a second motor
  • A cradle unit that moves a standard distance when motion is detected in the primary zone in front of it, and a greater distance when motion is detected in the surrounding secondary zone

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Incheon National University
Seung-hoon Jeon | Seung-ju Moon | Hong-beom Lee | Jin-hyuk Jang | Gyu-bo Shim | Won-jun Lee | Hyung-chul Lee | Sang-moon Kim | Chang-wook Seol | Jin-won Lee
Document
Date of application:
2019-03-04
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Patent registration number:
10-2098088
Industry
smartphones
personal products
Technology
Mechanical engineering
Human-machine interface
Country
Korea
Family Patent

N/A

Price
8000000
Fixed price
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