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Parent Device

Sensing
the unseen.

A sensory interface system that translates indoor presence into sound, touch, and context.

TeamResona Duration2026.03 — 2026.06 ToolsRhino, Keyshot, Blender, Figma
Parent device held by hands
Object

Designed to be understood by touch.

No screen. No visual confirmation. The product is read through form, rhythm, sound, and touch.

Child device worn
Problem

Presence is not enough.

A bell can signal presence. It cannot explain direction, distance, status, or context.

Scenario

The room becomes readable.

Room learning, risk zones, and beacon coordinates form a readable indoor map.

scenario map
Product Family

Three devices.
One system.

Parent Device Child Device Beacon Parent Device Child Device Beacon
01 Parent Device

A sensory interface worn by the parent.

Location and movement become sound and touch.

Bone-conduction

Spatial feedback without visual confirmation.

Asymmetric form

Orientation and function are distinguished by touch.

Gesture panel

Commands are controlled through tactile gestures.

wearing parent deviceWearing Experience
parent detailHaptic PUI
parent device closeupForm Language
02 Child Device

Soft, adjustable, wearable.

A soft receiver that communicates the child’s movement and direction.

Soft receiver

A silicone structure designed for child movement.

Adjustable band

The circular band adapts to the wearing condition.

Spatial sound

Location is translated into directional audio.

child device in handHuman Scale
child device renderSoft Wearable
band detailAdjustable Expansion Band
03 Beacon

A spatial anchor for indoor awareness.

A wall-mounted anchor that defines indoor position and charging.

Anchor

Defines the spatial reference point.

Charge

Supports charging for both devices.

Locate

Stabilizes position through spatial context.

beacon renderSpatial Anchor
finger touching beaconPUI Anchoring
charging renderCharging Experience
Sensory Layer

Haptic for urgency.
Stereo sound for direction.
TTS for context.

Urgency, direction, and context are separated into different sensory channels.

HapticUrgency
StereoDirection
TTSContext
sensory layer
AI Powered Design Process

AI-powered,
designer-decided.

AI supports analysis. The final product language is defined by designer judgment.

User Problem

Indoor child awareness without visual information.

resona Data

General principles and specific user cases.

Design Principles

Sensory interface principles.

Virtual UT

Testing conflicts between sensory channels.

Layer Structure

Haptic · Stereo · TTS.

Final Series

Parent · Child · Beacon.
final product family
resona

Invisible space, translated into sensory feedback.