Handsfree Communications Module Foot Switch Actuation

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Solution Overview

Problem

Existing communications modules for high-speed pursuits require law enforcement officers to remove their hand from the wheel to operate handheld microphones, increasing the risk of vehicular accidents during high-speed operations.

Innovation Solution

A communications module comprising a first switch engaged to a vehicle-mounted radio control panel and a second foot-actuatable switch, with programming code on a microprocessor enabling handsfree operation by actuating a microphone and transceiver upon foot switch activation, allowing single-handed communication with a base station and multiple vehicles.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a handheld microphone is used for communication, then communication capability is improved, but safety deteriorates because the operator must remove their hand from the wheel

Engineering Contradiction:
Improvecommunication capabilityVSAvoidsafety
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent extracts the communication control function from the traditional handheld microphone and relocates it to the foot pedal area. The foot pedal switch assembly separates the communication activation function from hand operation, allowing the operator to maintain hand-on-wheel position while activating communication through foot pedal depression.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The foot pedal switch assembly acts as an intermediary device between the operator's foot and the radio communication system. This intermediary mechanism translates foot pedal depression into radio transmission activation, enabling hands-free operation while maintaining safety.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If foot pedals are used for communication control, then safety is improved by keeping hands on the wheel, but device complexity increases due to integration requirements

Engineering Contradiction:
ImprovesafetyVSAvoidintegration complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The foot pedal switch assembly is designed to perform multiple functions: it can activate radio communication, control other vehicle systems, and provide tactile feedback. This multi-functionality reduces the need for separate control devices and simplifies the overall control architecture despite the integration requirements.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent merges the radio communication control function with the existing foot pedal control mechanism. By combining these functions into a single integrated assembly, the design reduces the number of separate components and control stations, thereby managing complexity through consolidation rather than addition.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS11909904B2Selectively handsfree communications module
Publication Date: 2024.02.20 THIELMAN WILLIAM
  • US11909904B2 patent drawing
  • US11909904B2 patent drawing

AI summary

A selectively handsfree communications module for use in high speed pursuits includes first and second switches, which are operationally engageable to a control panel of a first radio mounted in a first vehicle and to the first radio, respectively. The first radio is equipped for two-way communication with one or both of a base station and at least one second radio of a second vehicle. The second switch is engageable to a floorboard of the first vehicle and can be actuated by a foot of an operator. Programming code, which is selectively positionable on a microprocessor of the first radio, enables the microprocessor to accept signals from the first and second switches. Switching of the first switch signals the microprocessor to operate the first radio in a handsfree operational mode, wherein a microphone and a transceiver of the first radio are actuated upon actuation of the second switch.