Speaker System Vertical Mounting for Operator Sound Direction

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Solution Overview

Problem

Existing speaker systems in work machines often fail to provide the required enclosure size, proper placement, and sound direction within the limited and crowded operator stations, leading to suboptimal sound production.

Innovation Solution

A speaker system comprising a box with specific internal and external sidewalls that encloses a speaker, ensuring the correct placement and sound direction relative to the operator, while maintaining a sealed space for precise sound production, even in tight spaces.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If speakers are installed in the operator station, then sound production is achieved, but the limited space prevents meeting enclosure size, placement, and playing direction requirements

Engineering Contradiction:
Improvesound production qualityVSAvoidenclosure volume
Core Design Contradiction:
ReliabilityVSVolume of moving object

Solution Approach 1:

The patent reorients the speaker assembly from conventional horizontal mounting to vertical mounting beneath the operator's seat. The speaker cone faces upward toward the operator, utilizing the vertical dimension of the operator station to achieve proper sound direction and enclosure volume without compromising operator space or sound production quality

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Reliability

If speakers are installed in the operator station, then sound production is achieved, but the crowded space prevents proper speaker placement relative to the operator

Engineering Contradiction:
Improvesound production qualityVSAvoidoperator comfort
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The speaker assembly is positioned in the vertical dimension beneath the operator's seat rather than occupying horizontal space in the operator station. This vertical placement achieves proper sound direction toward the operator while maintaining clear horizontal pathways and not interfering with the operator's movement or comfort

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The speaker assembly includes a mounting structure with vertical and horizontal positioning features that act as intermediaries to precisely locate the speaker in the optimal position beneath the seat, ensuring proper sound direction without requiring complex adjustments or interfering with operator access to controls

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If speakers are installed in the operator station, then sound production is achieved, but the limited space prevents correct playing direction relative to the operator

Engineering Contradiction:
Improvesound production qualityVSAvoidspeaker system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The speaker assembly combines the speaker cone, enclosure, mounting structure, and positioning features into a single integrated unit. This merging eliminates the need for separate mounting brackets, enclosures, and adjustment mechanisms, achieving correct playing direction through the unified design while reducing overall system complexity

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

Instead of mounting the speaker cone to face forward or sideways as in conventional installations, the patent inverts the orientation to face upward toward the operator from beneath the seat. This inverted placement, combined with the integrated mounting structure, achieves proper sound direction without requiring complex external mounting hardware or adjustment mechanisms

Inventive Principle:
Principle #13The other way round (Inversion)

Data Source

PatentUS10820077B1Speaker system
Publication Date: 2020.10.27 DEERE & CO
  • US10820077B1 patent drawing
  • US10820077B1 patent drawing
  • US10820077B1 patent drawing

AI summary

A speaker system including a box and a speaker. The box includes a top wall, a front inner sidewall, and a back inner sidewall. The front inner sidewall connects to the top wall and extends upwards therefrom, and the back inner sidewall connects to the top wall and extends upwards therefrom. The speaker is positioned between the front inner sidewall and the back inner sidewall. The front of the speaker is mounted to a top of the top wall. The top wall, the front inner sidewall, the back inner sidewall, and a front of the speaker partially define a sealed region.