KVMA Cartridge Edge Connector for Multi-Host Signal Routing
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Solution Overview
Problem
Existing KVM switches require multiple cables and connectors for each host computer, making setup complex and inflexible, with fixed cable lengths and potential for signal loss and noise, especially when adding or repositioning computers.
Innovation Solution
A KVMA cartridge with a single removable edge connector and extension cartridge allows for flexible cable length adjustment and reduced connectors, using a hub unit for simplified connection and color-coded cables for easy selection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple cables and connectors are used for each host computer, then reliable signal transmission is achieved, but setup complexity increases and flexibility decreases
Solution Approach 1:
The patent combines multiple separate cables (video, audio, USB) and their connectors into a single integrated cable assembly with a unified connector that interfaces to the KVMA switch through a single connection point, thereby reducing setup complexity while maintaining all necessary signal transmission pathways
Solution Approach 2:
The integrated cable assembly serves multiple functions simultaneously - transmitting video, audio, and USB signals through a single connector design, allowing one cable to replace what would traditionally require multiple separate cables and connectors
2Ease of manufacture
If fixed length cables are used, then manufacturing is simplified, but adaptability to different configurations is reduced
Solution Approach 1:
The patent implements extendable cable assemblies that can be dynamically adjusted in length by the user through a telescoping or extendable mechanism, allowing the same cable design to adapt to different spatial configurations while maintaining manufacturing efficiency through a standardized base design
3Adaptability or versatility
If cables are made extendable, then flexibility for repositioning computers is improved, but device complexity increases
Solution Approach 1:
The extendable cable incorporates a telescoping mechanism with interlocking segments that allow length adjustment through simple user manipulation, providing repositioning flexibility without requiring complex mechanical systems or multiple cable assemblies
4Ease of operation
If integrated cable assemblies are used, then setup is simplified, but cable management becomes more difficult
Solution Approach 1:
By integrating multiple signal pathways into a single cable assembly with a unified connector, the patent simplifies the connection process to one plug-and-play operation while the bundled structure actually improves cable management by reducing the number of separate cables to organize and route
Data Source
AI summary
A computer management apparatus is provided for interconnecting a user console including peripheral devices such as a keyboard, a video display unit, a mouse, and speakers for connecting to a plurality of host computers, selectively accessed via the user console (“KVMA cartridge”). The host computers interface with the KVMA cartridge via a removable edge connector with a first set of cables that attach to the plurality of host computers. The KVMA cartridge connects to the edge connector via a leading edge of a circuit board having a plurality of traces on the leading edge with electrical leads connected to a switching circuit within the KVMA cartridge. In one embodiment, the user may increase the length of the first set of cables by inserting an extension cartridge with a second set of cables between the KVMA cartridge and the edge connector with the first set of cables.