Handheld Controller False Positive Detection

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Solution Overview

Problem

Handheld controllers often experience unintended input activation due to accidental handling, leading to false positives that can disrupt media playback, such as rewinding a movie when the controller is dropped.

Innovation Solution

Implementing a system that monitors sensor information from accelerometers and gyroscopes to detect indicia of false positive input, nullifying subsequent input until the controller returns to a stable state, thereby preventing unintended control changes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If sensor information is monitored to detect false positive input, then reliability of input detection is improved, but device complexity increases

Engineering Contradiction:
Improveinput detection reliabilityVSAvoidcontroller system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The system pre-stores indicia of false positive input patterns in memory before they occur during operation. When sensor information matches these pre-stored patterns, the system quickly identifies false positives without complex real-time analysis, thus improving reliability while maintaining manageable complexity

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The patent introduces an intermediary processing layer that sits between the sensors and the input registration system. This intermediary monitors sensor information, compares it against stored false positive indicia, and filters out false positives before they reach the media control system, effectively resolving the contradiction by adding a dedicated filtering component

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If nullification of subsequent input is implemented, then false positive prevention is improved, but ease of operation deteriorates

Engineering Contradiction:
Improvefalse positive preventionVSAvoidcontroller usability
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The nullification feature is activated periodically only when false positive conditions are detected, rather than being continuously active. The system monitors sensor information and temporarily enables nullification only during periods when false positive patterns are present, then disables it when normal operation is detected, thus preventing false positives while minimizing impact on usability

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system continuously monitors sensor information and provides feedback about the operational state to the nullification mechanism. When sensor data indicates false positive conditions, feedback triggers nullification; when sensor data returns to normal ranges, feedback stops nullification. This feedback-based control ensures nullification occurs only when necessary, preserving ease of operation during normal use

Inventive Principle:
Principle #23Feedback

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

Effectively prevents false positives by ensuring that only intended inputs result in control changes to the media, enhancing user experience by minimizing unintended actions during accidental handling.

Implementation Method 1

sensor information at the handheld controller is monitored

Methodology Applied
Scientific EffectAccelerometer: Accelerometer

Implementation Method 2

sensors that monitors sensor information

Methodology Applied
Scientific EffectGyroscope: Gyroscope

Data Source

PatentUS9925459B2Detecting and preventing false positives
Publication Date: 2018.03.27 SONY INTERACTIVE ENTERTAINMENT LLC
  • US9925459B2 patent drawing
  • US9925459B2 patent drawing
  • US9925459B2 patent drawing

AI summary

Detection and prevention of false positives associated with a handheld controller are provided. Information is stored in memory regarding indicia of false positive input associated with a handheld controller used to control media usage. Sensor information is monitored at the handheld controller. It may be detected that the monitored sensor information matches one or more indicia of false positive input. Subsequent input received from the handheld controller may then be nullified, such that the nullified input is not registered and does not result in control changes to the associated media. It may then be detected that the monitored sensor information no longer matches one or more indicia of false positive input. Subsequently, nullification is ended, and subsequent input received from the handheld game controller is registered normally and results in control changes to the associated media.