Speaker-Assisted Haptic Alerts for Orientation-Dependent Notifications

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Solution Overview

Problem

Existing electronic devices struggle to effectively combine acoustic and haptic feedback to ensure clear notification of events, particularly when the device orientation or grip affects the perception of vibrations.

Innovation Solution

An electronic device is equipped with a processor that uses sensors to determine its orientation and grip, adjusting acoustic and haptic outputs accordingly, ensuring clear notification of events by either enhancing or replacing haptic feedback with acoustic signals based on device posture and grip.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If haptic actuator is used to provide vibration notification, then tactile feedback is provided to the user, but the notification effectiveness deteriorates when device orientation or grip affects vibration perception

Engineering Contradiction:

Improvenotification effectivenessVSAvoidorientation independence

Core Design Contradiction:

ReliabilityVSAdaptability or versatility

Solution Approach 1:

The patent replaces the mechanical haptic feedback system with an acoustic signal system. When the sensor detects that the device orientation or grip pattern reduces haptic perception effectiveness, the processor switches from controlling the haptic actuator to controlling the speaker to output an acoustic signal, thereby substituting mechanical vibration with acoustic wave transmission to maintain reliable notification.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces an acoustic signal as an intermediary notification method. The speaker outputs acoustic signals that can be perceived by the user's auditory system regardless of device orientation or grip, serving as a mediator when the primary haptic pathway becomes ineffective due to positional or grasping variations.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If acoustic signal is output through speaker to represent vibration notification, then notification clarity is improved for certain orientations, but the system complexity increases due to conditional processing

Engineering Contradiction:

Improvenotification clarityVSAvoidconditional processing logic

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent implements a feedback mechanism where the sensor continuously monitors device orientation and grip patterns, and the processor adjusts the notification method based on this feedback. When the feedback indicates suboptimal haptic perception conditions, the system automatically switches to acoustic signal output, creating a closed-loop control system that adapts to real-time usage conditions.

Inventive Principle:

Principle #23Feedback

Solution Approach 2:

The patent makes the notification system dynamic by enabling switching between haptic actuator and speaker based on real-time sensor data. The system transitions from a static single-mode notification approach to a dynamic multi-mode approach where the active notification channel changes according to device orientation and grip patterns detected by the sensor.

Inventive Principle:

Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

This approach ensures consistent and effective notification of events by compensating for device orientation and grip-related challenges, enhancing user experience through clear auditory and tactile feedback.

Implementation Method 1

output, through the speaker, an acoustic signal that represents the vibration notification

Methodology Applied

Scientific EffectElectroacoustic conversion:

Implementation Method 2

controlling the haptic actuator to output the vibration notification regarding the preset event by vibrating the housing of the electronic device

Methodology Applied

Scientific EffectElectromechanical conversion:

Implementation Method 3

identify a direction of the electronic device by using the sensor

Methodology Applied

Scientific EffectSensor detection:

Data Source

PatentUS12482336B2Electronic device and method for outputting haptic feedback related to haptic actuator by using speaker

Publication Date: 2025.11.25 SAMSUNG ELECTRONICS CO LTD

AI summary

According to an embodiment, a processor of an electronic device is configured to identify the direction of the electronic device using a sensor of the electronic device. The processor outputs an acoustic signal representing a vibration notification for a preset event through a speaker of the electronic device, based on identifying a direction corresponding to a reference direction for representing the vibration notification for the preset event using the speaker. The processor is configured to refrain from outputting the acoustic signal through the speaker based on identifying the direction different from the reference direction, and vibrate the housing using the haptic actuator of the electronic device to output the vibration notification regarding the preset event.