Remote-Controlled Personal Cart With Distance-Based Speed Control
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Solution Overview
Problem
Conventional shopping methods, including shopping carts and e-commerce courier services, are inconvenient, expensive, and unsuitable for vulnerable individuals, and existing autonomous devices are complex and costly, failing to address societal issues like loneliness and physical health.
Innovation Solution
A remote-controlled personal cart system with a base, wheels, battery, receiver, motor, sensor system, and remote-control device, allowing users to control movement and speed, ensuring a safe and efficient transport of items over short distances.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a shopping cart is used to transport items, then the carrying capacity is improved, but the ease of operation deteriorates for vulnerable people
Solution Approach 1:
The patent replaces the manual mechanical pushing/pulling system with an electric motor-driven system. The motor receives signals from a remote control device to automatically move the cart, eliminating the need for users to apply physical force while maintaining the cart's load-bearing capacity through its mechanical structure and basket design.
Solution Approach 2:
The cart system enables self-service operation where the cart autonomously follows the user's commands via remote control. The motorized cart automatically navigates and positions itself based on remote control signals, allowing users to operate it without physical exertion while maintaining full control over its movement.
2Ease of operation
If e-commerce courier service is used for shopping, then the physical effort is reduced, but the cost increases
Solution Approach 1:
The patent employs a cost-effective remote control device that uses inexpensive radio frequency or infrared transmission instead of expensive autonomous navigation systems. The simple motorized cart design with basic components keeps manufacturing and operational costs low, providing an economical alternative to courier services while eliminating physical shopping effort.
3Ease of operation
If autonomous devices are used for transporting items, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The patent extracts the complex autonomous navigation intelligence from the cart itself and places it in the user's handheld remote control device. The cart only needs simple motor control and signal reception components, while the user's device handles the intelligent decision-making and navigation commands, significantly reducing the cart's device complexity.
Solution Approach 2:
The remote control device serves as an intermediary between the user and the cart system. It translates user intentions into motor control signals, acting as a mediator that simplifies both the user interface and the cart's control system architecture, reducing overall device complexity while maintaining ease of operation.
4Weight of moving object
If a shopping trolley bag is used, then the portability is improved, but the ease of operation deteriorates due to physical force requirement
Solution Approach 1:
The patent replaces the manual mechanical force requirement with an electric motor-driven system. The motor receives commands from a remote control device to automatically propel and steer the cart, eliminating the need for users to apply physical pushing or pulling forces while the lightweight design maintains good portability.
Data Source
Figure 1A
Figure 1B
Figure 1C~1D
AI summary
Disclosed is a remote-controlled personal cart system (100) for transporting items. The system comprises a cart (102) comprising a base (104) comprising at least four wheels (106A, 106B, 106C, 106D) comprising at least two driving wheels (106A, 106B) and at least two back wheels (106C, 106D), at least one supporting wheel (108) configured to support cart, a battery (112), a receiver (114), at least one motor (116), and at least one sensor system (118) operable to detect obstacles, a basket (110) detachably placed on base and remote-control device for controlling movement and speed (v1) of cart, remote- control device comprising transmitter and at least one sensor element operable to measure distance (L) between remote-control device and cart. The remote-control device is operable to control speed of cart to keep distance (L) within range from 1 meter up to 3 meters during movement of cart.