Video Timing Generator for Delayed Sync Signal Alignment
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Solution Overview
Problem
Conventional video-timing generators require video processors to delay sync signals, increasing complexity and cost, as they generate and synchronize timing signals independently.
Innovation Solution
A video-timing generator that generates delayed horizontal-sync and vertical-sync signals, eliminating the need for video processors to handle these signals, thereby simplifying the system and reducing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If video processors delay sync signals independently, then synchronization accuracy is maintained, but device complexity and cost increase
Solution Approach 1:
The patent extracts the sync signal generation function from the video processor and places it in a dedicated video-timing generator. This separates the timing-critical function from the general-purpose video processing, reducing the video processor's complexity while maintaining synchronization accuracy through specialized hardware designed solely for generating precise timing signals.
Solution Approach 2:
The patent introduces a video-timing generator as an intermediary component between the video source and video processors. This mediator generates and distributes synchronized timing signals to all video processors, eliminating the need for each processor to independently delay and synchronize signals, thus reducing overall system complexity while maintaining sync accuracy.
2Manufacturing precision
If video processors handle sync signal delay independently, then timing precision is maintained, but manufacturing cost increases
Solution Approach 1:
The patent merges the sync signal generation and distribution function into a single video-timing generator that serves all video processors. This consolidation eliminates redundant timing circuitry in each processor, reducing the total component count and manufacturing cost while maintaining timing precision through a centralized, high-precision clock source.
Solution Approach 2:
The video-timing generator serves multiple video processors simultaneously, providing universal timing signals to all components. This multi-functional approach replaces multiple specialized timing circuits with a single versatile generator, reducing manufacturing costs while maintaining the precision required for proper video synchronization across all processors.
Data Source
AI summary
Examples relate to generating sync signals. An example apparatus includes an output, an input and a circuit. The output provides a data-valid signal to a video source operative to provide video data to a video-data-processing pipeline. The input receives a delayed data-valid signal from the video-data-processing pipeline. The circuit to generate a delayed horizontal-sync signal and a delayed vertical-sync signal at least partially responsive to the received delayed data-valid signal.