Loudspeaker Protrusion Mechanism for Portable Device Aesthetics

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Solution Overview

Problem

Portable electronic devices with integrated loudspeakers lack innovative design elements that enhance both functionality and aesthetics, failing to provide a competitive edge in consumer appeal.

Innovation Solution

A portable electronic device design featuring a casing with an embedded loudspeaker, covered by a soft insulating material such as cloth, leather, or silica gel, and an actuating unit that allows the loudspeaker to protrude or retract based on key actuation or operation signals, improving both fashion and user protection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Shape

If the loudspeaker is embedded flatly into the casing, then the device has a sleek and compact appearance, but the loudspeaker cannot be easily accessed or protected when not in use

Engineering Contradiction:
Improveaesthetic appearanceVSAvoidaccessibility of loudspeaker
Core Design Contradiction:
ShapeVSEase of operation

Solution Approach 1:

The loudspeaker is designed to be movable between a retracted position (embedded flatly in the casing) and a protruded position (extending outward). This dynamic configuration allows the device to switch between aesthetic appearance and accessibility based on operational needs, resolving the contradiction between maintaining a sleek shape and enabling easy access to the loudspeaker.

Inventive Principle:
Principle #15Dynamics

2Ease of operation

If the loudspeaker is exposed on the device surface, then it is easily accessible for use, but it becomes vulnerable to accidental contact and damage when not in use

Engineering Contradiction:
Improveaccessibility of loudspeakerVSAvoidaccidental contact damage
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The movable design allows the loudspeaker to be retracted into the casing when not in use, protecting it from accidental contact and damage. When needed, it can be protruded for easy access. This dynamic positioning resolves the contradiction between accessibility and protection.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

A movable cover or shield acts as an intermediary element between the user and the loudspeaker. When the loudspeaker is retracted, the cover protects it from accidental contact. When the loudspeaker needs to be accessed, the cover can be moved aside, allowing easy access while maintaining protection when not in use.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Object-affected harmful factors

If a hard protective material is used to cover the loudspeaker, then protection from damage is improved, but the aesthetic appeal and texture variety are reduced

Engineering Contradiction:
Improveprotection from damageVSAvoidaesthetic appeal and texture
Core Design Contradiction:
Object-affected harmful factorsVSShape

Solution Approach 1:

Different materials with varying aesthetic properties can be used in different locations. The cover or protective element can use materials like cloth, leather, or synthetic materials that provide both protection and aesthetic appeal. This local quality differentiation allows the protective function to be maintained while enhancing the aesthetic appearance and texture variety.

Inventive Principle:
Principle #3Local quality

4Reliability

If the loudspeaker is fixed in position, then the device structure is simple and reliable, but it cannot adapt to different operational states (e.g., boot-up, media playback, shutdown)

Engineering Contradiction:
Improvestructural stabilityVSAvoidresponse to operational states
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The loudspeaker is designed to move dynamically in response to operational states such as boot-up, media playback, and shutdown. This dynamic adaptation allows the device to respond appropriately to different user actions while maintaining structural reliability through a controlled mechanical linkage system.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system uses feedback from operational signals (key actuation, boot-up signals, media software signals) to control the loudspeaker's position. The actuating unit responds to these feedback signals, moving the loudspeaker to appropriate positions based on the current operational state, thereby achieving adaptability while maintaining structural integrity.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS8072748B2Portable electronic device
Publication Date: 2011.12.06 PEGATRON
  • US8072748B2 patent drawing
  • US8072748B2 patent drawing
  • US8072748B2 patent drawing

AI summary

A portable electronic device includes a casing, a key, a loudspeaker, a soft insulating material, and an actuating unit. The key is disposed at the casing. The loudspeaker is embedded into the casing flatly. The soft insulating material covers the casing and the loudspeaker. The actuating unit is coupled to the key and the loudspeaker, and it actuates the loudspeaker to protrude from the casing in response to an actuation of the key.