Single-Line Data Transfer for Printing Motor Control
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Solution Overview
Problem
Existing data transfer systems in printing apparatuses face downtime issues when controlling multiple motors simultaneously due to shared wiring configurations, which hinder immediate processing and proper timing of motor control.
Innovation Solution
A transfer system utilizing a single data line and clock line to serially transfer data to control circuits, where data is sent at the rising and falling edges of the clock pulse, allowing for immediate processing and easy data separation, and optionally using a shared load line to simplify wiring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If data transfer uses a shared data line and clock line for multiple control circuits, then wiring is simplified, but control timing precision deteriorates due to sequential transfer requirements
Solution Approach 1:
The data transfer is segmented into two distinct phases: rising edge transfer for first control circuit data and falling edge transfer for second control circuit data. This segmentation allows simultaneous control of multiple motors without timing conflicts while using shared wiring, resolving the contradiction between simplified wiring and precise control timing.
2Device complexity
If control parameters are transferred sequentially to avoid wire sharing conflicts, then wiring is simplified, but processing speed deteriorates due to downtime between transfers
Solution Approach 1:
The system uses periodic clock pulses with distinct rising and falling edges to transfer data to different control circuits alternately. This periodic action eliminates the need for sequential transfer downtime while maintaining simplified wiring, thereby improving processing speed without increasing wiring complexity.
3Productivity
If data transfer starts immediately for simultaneous motor control, then processing speed is improved, but wiring complexity increases due to need for separate transfer paths
Solution Approach 1:
The invention adds a temporal dimension to the data transfer by utilizing both rising and falling edges of the clock signal. This allows immediate control of multiple motors through a single shared data line and clock line, achieving fast response without increasing wiring complexity.
Data Source
AI summary
A controller transfers first data to a first control circuit in correspondence with a single data line at a rising edge of a clock pulse on a single clock line, and transfers second data to a second control circuit in correspondence with the single data line at a falling edge of the clock pulse.