Motion-Sensing Remote Control for Faster Character Entry
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Solution Overview
Problem
Existing digital media systems lack efficient and privacy-preserving methods for entering alphanumeric characters, especially for non-alphabetic languages, and voice response systems are unreliable or invasive.
Innovation Solution
A system that uses motion sensing and analysis to translate user gestures into characters or commands via a touchpad, optical motion sensor, or accelerometer integrated into a remote control unit, with processing capabilities on-site or off-site for character recognition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If directional control buttons are used to navigate on-screen keyboards, then the system can be controlled with a simple remote, but character entry becomes time-consuming and error-prone
Solution Approach 1:
The patent replaces the mechanical button-pressing system with a motion recognition system that uses optical sensors or accelerometers to detect hand gestures. Users can enter characters by making gestures in the air or on a touchpad, which are captured by sensors and translated into keyboard input, eliminating the need to physically navigate through on-screen keyboards button by button.
Solution Approach 2:
The patent introduces an intermediary motion recognition layer between the user and the digital media system. This intermediary system captures hand motions or gestures and translates them into character input, serving as a mediator that converts natural human movement into system commands without requiring direct interaction with on-screen keyboards.
2Ease of operation
If voice-response systems are used for character entry, then hands-free operation is possible, but privacy is compromised and reliability decreases in noisy environments
Solution Approach 1:
The patent replaces the acoustic voice recognition system with an optical or inertial motion sensing system. Instead of capturing and processing sound waves that are vulnerable to noise interference, the system uses optical sensors to track hand movements or accelerometers to detect gesture patterns, providing reliable input method in various acoustic environments.
3Device complexity
If on-screen keyboards are used for character entry, then no physical keyboard is needed, but the entry process becomes complex and error-prone
Solution Approach 1:
The patent introduces an intermediary motion recognition layer between the user and the digital media system. This intermediary system captures hand motions or gestures and translates them into character input, serving as a mediator that converts natural human movement into system commands without requiring direct interaction with on-screen keyboards.
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
Enables convenient and accurate entry of characters and commands, reducing errors and time consumption, while maintaining user privacy.
Implementation Method 1
the motion of an RCU itself tracked by a motion sensor
Implementation Method 2
the motion of an RCU itself tracked by a motion sensor
Data Source
AI summary
A system and method supporting the direct entry of characters by sensing and analyzing user motion. This motion can be the movement of one or more fingers or of a stylus over a touchpad integrated into a remote-control unit, or the motion of a remote-control unit itself tracked by a motion sensor. The sensed motions correspond to patterns representing one or more characters, words, phrases, or commands. Information indicative of the patterns is then analyzed by the system and translated into a corresponding characters, commands or actions. This translated information is then provided to a digital media system as an input or a command.