HD Fax Routing System Resolution Adaptation
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Solution Overview
Problem
Current fax transmission systems face challenges with low resolution, leading to errors in document processing and long delivery times, especially when trying to transmit high-resolution faxes over the public switched telephone network (PSTN).
Innovation Solution
A high-definition (HD) fax system that dynamically adjusts the resolution of fax transmissions based on the capabilities of the receiving device, routing high-resolution faxes to HD-enabled devices over packet-switched networks and converting them to low-resolution faxes for conventional devices, thereby avoiding PSTN transmission when possible.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If faxes are transmitted at higher resolutions over the PSTN, then image quality is improved, but delivery time becomes unacceptably long and costs increase
Solution Approach 1:
The patent introduces an intermediary system (the fax transmission system with destination capability database) that mediates between the sender and receiver. The system queries the destination device capabilities through an intermediary lookup process, then automatically adjusts the transmission resolution accordingly, avoiding the need for manual intervention while optimizing both quality and speed
Solution Approach 2:
The system dynamically changes the transmission parameter (resolution) based on the destination device's capabilities. High-resolution transmission is used when the destination is HD-enabled, while standard resolution is used for conventional devices, thereby optimizing delivery time without sacrificing necessary image quality
2Manufacturing precision
If faxes are transmitted at higher resolutions over the PSTN, then image quality is improved, but transmission costs increase
Solution Approach 1:
The system changes the transmission parameter (resolution) based on destination capabilities to optimize cost. By transmitting at high resolution only when necessary (to HD-enabled devices) and using standard resolution for conventional devices, the system reduces unnecessary transmission costs while maintaining required image quality where needed
Solution Approach 2:
The capability database acts as an intermediary that provides information about destination devices, enabling the system to make cost-optimal transmission decisions without manual intervention
3Adaptability or versatility
If the system supports both HD-enabled and conventional fax devices, then compatibility is improved, but system complexity increases
Solution Approach 1:
The fax transmission system is designed with multi-functionality to handle both HD-enabled and conventional devices. By incorporating a capability database and automatic resolution adjustment, the system achieves universal compatibility without requiring separate transmission paths or manual configuration for different device types
Solution Approach 2:
The system performs self-service by automatically querying the destination device capabilities and adjusting transmission parameters without manual intervention. This automation reduces the operational complexity of supporting multiple device types while maintaining high adaptability
Data Source
AI summary
A high-definition (HD) fax system routes outbound fax job requests including a high-resolution component to appropriate destinations, including among HD-enabled receiving devices and conventional fax devices. If it is determined that a fax destination is not HD-enabled, such as a conventional fax device, the high-resolution component of the outbound fax job request may be rendered as a low-resolution fax. The low resolution fax may be transmitted via a public switched telephone network (PSTN). On the other hand, if it is determined that a fax destination is HD-enabled, a determination may be made whether the HD-enabled fax destination is color enabled, and the high-resolution component may be rendered as either a high-resolution monochrome fax or a high-resolution color fax.