Pop-Up Greeting Card With Automatic Acousto-Optic Triggering
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Solution Overview
Problem
Existing stereo greeting cards with acousto-optic effects require manual activation, limiting their impact and failing to provide a dynamic, engaging experience.
Innovation Solution
A POP UP greeting card with a foldable movable plate and acousto-optic circuit board, featuring a magnetically controlled switch or photoresistor sensor that triggers acousto-optic effects automatically when unfolded, allowing for four-dimensional display.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual button triggering is used for acousto-optic effects, then the device complexity is reduced, but the user interaction and emotional impact are insufficient
Solution Approach 1:
The greeting card automatically triggers acousto-optic effects through self-service mechanisms including magnetic sensors that detect the approach of a smartphone, photoelectric sensors that detect light changes when opened, or mechanical switches that activate upon unfolding. This eliminates the need for manual button pressing while maintaining simplicity, allowing the card to serve itself by detecting user presence or opening actions and automatically launching the associated app or playing media.
Solution Approach 2:
The patent replaces manual mechanical button pressing with alternative triggering mechanisms such as magnetic field detection, photoelectric sensing, or mechanical switch activation through unfolding. These substitutions maintain the simplicity of operation while enhancing user interaction by providing automatic, hands-free, or gesture-based activation of acousto-optic effects.
2Ease of operation
If automatic triggering mechanisms are added, then the user interaction is enhanced, but the manufacturing complexity increases
Solution Approach 1:
The patent employs inexpensive, easily manufactured triggering components such as small magnetic sheets, simple photoelectric sensors, or basic mechanical switches that can be integrated into the greeting card structure. These components are chosen for their low cost and ease of integration, ensuring that while automatic triggering is implemented, the manufacturing process remains simple and suitable for mass production of disposable greeting cards.
3Reliability
If the acousto-optic effect is triggered only by touching the button, then the device complexity is minimized, but the greeting card effect is insufficient and reliability is reduced
Solution Approach 1:
The patent introduces dynamic triggering capabilities where the greeting card can respond to multiple states: magnetic field changes when a smartphone approaches, light changes when opened, or mechanical movement when unfolded. This dynamic response system enhances reliability by providing multiple activation pathways while maintaining relatively simple device architecture through the use of basic sensors and switches.
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 card offers a reliable, easy-to-produce, and engaging four-dimensional acousto-optic experience, enhancing user interaction and emotional impact.
Implementation Method 1
the trigger switch is a magnetically controlled switch, and the triggered magnet sheet is disposed in the foldable movable plate
Implementation Method 2
the trigger switch is a photoresistor sensor, and the photoresistor sensor is disposed on a central portion of the background wallboard
Implementation Method 3
the acousto-optic circuit board emits an acousto-optic effect
Data Source
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AI summary
The invention discloses a POP UP greeting card, which comprises a background wallboard, a folding movable plate, a panel frame body and a stage display plate, characterized in that said the background wallboard is a basic bottom piece, the folding movable plate is bonded with the central part of the background wallboard, the left end and the right end of the folding movable plate respectively penetrate through the panel frame body to form a stage-shaped three-dimensional shape, and the stage display plate is fixed in the stage-shaped three-dimensional shape. The present invention provides a POP UP greeting card which is simple in structure, high in reliability, convenient to produce and open, and capable of automatically three-dimensional display, and further adds an acousto-optic effect and a four-dimensional integrated display to meet market requirements.