Handheld Computing Device Shopping Assistance System
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Solution Overview
Problem
Handheld computing devices have not effectively assisted users in shopping and performing wireless transactions, lacking capabilities for obtaining information, ordering products, and facilitating financial commitments during shopping.
Innovation Solution
A system that enables handheld computing devices to access local and remote wireless links for shopping assistance, allowing users to order products, perform financial transactions, and communicate with merchants, using accessories like bar code scanners and RFID units, and providing features such as electronic shopping, expense reporting, and location-based services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If handheld computing devices are used for basic functions (appointments, games, voice memos), then portability and basic computing needs are met, but the devices cannot assist users in shopping and performing wireless transactions
Solution Approach 1:
The handheld computing device is enhanced with multiple wireless communication capabilities (WiFi, Bluetooth, cellular), various sensors (GPS, accelerometer, gyroscope), and expansion slots that accept different accessories. This multi-functional design allows the same device to perform basic computing tasks, shopping assistance, wireless transactions, and location-based services, resolving the contradiction between versatility and complexity by integrating diverse functions into a single universal platform.
Solution Approach 2:
The system separates core handheld device functions from specialized shopping and transaction capabilities by using expandable accessories and wireless connections to external systems. The handheld device maintains its portable core functionality while gaining shopping assistance capabilities through wireless links to merchants, kiosks, and service providers, allowing the base device to remain relatively simple while achieving high versatility through modular additions.
2Adaptability or versatility
If handheld computing devices lack wireless transaction capabilities, then device simplicity is maintained, but users cannot make financial commitments or perform wireless purchases
Solution Approach 1:
The system introduces external intermediaries such as merchant systems, kiosk computers, and service provider servers that handle the complex transaction processing. The handheld device serves as a portable interface that communicates wirelessly with these intermediaries, which then manage the actual financial transactions, payment processing, and order fulfillment. This allows the handheld device to gain wireless transaction capability without bearing the full complexity of transaction processing itself.
3Adaptability or versatility
If handheld computing devices do not have shopping assistance features, then device design remains simple, but users cannot obtain product information, compare prices, or receive location-based promotions
Solution Approach 1:
The system adds location-based dimensions to shopping assistance by integrating GPS and other location sensors with wireless communication capabilities. The handheld device can determine the user's physical location, identify nearby merchants and products, and provide contextually relevant information, price comparisons, and promotions based on geographic position. This spatial dimension enhances shopping assistance capability without requiring the device to store extensive product databases locally.
Data Source
AI summary
A system is provided in which a handheld computing device may be used to provide a user with shopping assistance services. A shopping assistance service may allow a user to obtain directory information for a shopping mall. A user may use the handheld computing device to handle shopping lists. The handheld computing device may display promotional material based on the shopping lists. The handheld computing device may be used to obtain information on products being sold in a store. Products may be purchased using wireless financial transactions. Reminders and other messages may be sent to the handheld computing device. The location of the handheld computing device may be monitored. Services may be provided to the user based on the location of the handheld computing device. The handheld computing device may communicate with communications equipment in retail establishments using a local wireless link.