Variable Sound Generator for Pet Toys
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Solution Overview
Problem
Existing pet toys with sound generating capabilities are limited to producing a single sound or using prerecorded sounds, failing to create different sounds based on the direction of motion, which restricts their interactive value.
Innovation Solution
A battery-powered device incorporating an accelerometer connected to a control circuit that regulates a sound chip to emit sounds with varying characteristics based on the direction and magnitude of movement, allowing for multiple sound speeds and volumes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a single sound generating mechanism (reed or whistle) is used, then the device structure is simple, but the sound variety is limited to a single sound
Solution Approach 1:
The patent applies dynamics by making the sound generating mechanism adjustable and variable. Instead of a fixed single sound, the system can dynamically switch between multiple sounds (single tone, dual tones, sequential tones) based on operational conditions, transforming a static mechanism into a dynamic one that adapts to different scenarios
Solution Approach 2:
The patent changes the parameters of the sound generating mechanism by varying frequency, amplitude, and timing of sound outputs. The control circuit modifies these parameters to produce different sound patterns from the same physical components, enabling multiple sound types without adding separate sound generating devices
2Adaptability or versatility
If a prerecorded sound chip is used, then the sound variety is enhanced, but the device complexity increases due to additional components (battery, circuit board, speaker)
Solution Approach 1:
The patent makes the existing sound generating components serve multiple functions. The same reed or whistle structure generates different sound patterns (single tone, dual tones, sequential tones) through controlled activation sequences, eliminating the need for separate prerecorded sound chips and speakers while achieving sound variety
Solution Approach 2:
The system uses the pet's own interaction (chewing, squeezing, or moving the toy) as the activation mechanism for all sound patterns. The same physical action triggers different sound sequences based on internal sensors, making the system self-sufficient without requiring external power sources or complex control circuits
3Ease of operation
If squeeze activation is used, then the activation mechanism is simple, but the interaction is limited to pressure sensing only
Solution Approach 1:
The patent adds a new dimension of interaction by incorporating motion sensing capabilities alongside the existing squeeze activation. The system can detect both static pressure (squeeze) and dynamic movement (motion sensors), transforming a one-dimensional activation method into a multi-dimensional interaction system that responds to various types of pet engagement
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
The device generates sounds with distinct characteristics depending on the direction and intensity of movement, enhancing the interactive value of pet toys by providing a more dynamic and engaging experience for pets.
Implementation Method 1
an accelerometer connected to a control circuit which regulates a sound chip to cause the device to emit a sound the characteristics of which are a function of the direction of the motion sensed by the accelerometer
Data Source
AI summary
The device includes an accelerometer for sensing movement in more than one direction, a sound chip for generating a pre-recorded sound in response to the sensed movement and a circuit for controlling the speed at which the pre-recorded sound is generated in response to the sensed movement, as a function of the direction of the sensed movement. The accelerometer senses the magnitude of movement. The sound chip generates sound in response to movement of a magnitude exceeding a pre-set level. The accelerator senses movement in at least two, preferably three directions. The sound chip includes an oscillator which determines the speed at which a pre-recorded sound is processed. The control means provides a control signal which sets the sound chip to generate the sound signal with a speed which is a function of the number of directions of sensed movement.