Imaging Apparatus Shared Readout Lines Temperature Sensor Subarray
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Solution Overview
Problem
Existing imaging apparatuses face challenges in associating data from multiple subarrays and temperature sensors, leading to complex data processing and compromised image quality due to temperature-induced dark current variations.
Innovation Solution
The imaging apparatus includes a plurality of temperature sensors and subarrays, where signals from one subarray and one temperature sensor are read out through a common line, allowing for easy association and synchronization of data, enabling effective offset correction based on temperature data.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple temperature sensors and subarrays are provided for dark current correction, then image quality is improved, but data processing complexity increases
Solution Approach 1:
The patent combines the signal readout paths of subarrays and temperature sensors by having them share common readout lines. Specifically, temperature sensors are assigned to read out through the same signal lines used by subarrays, which merges the data acquisition infrastructure and eliminates the need for separate dedicated readout paths for temperature sensors.
Solution Approach 2:
The readout lines are designed to serve multiple functions: they can read out signals from both subarrays and temperature sensors. This universal readout infrastructure allows the same hardware resources to handle multiple types of data, reducing overall system complexity while maintaining the capability to correct dark current across multiple subarrays using multiple temperature sensors.
2Measurement precision
If multiple temperature sensors are provided for each subarray, then temperature measurement precision is improved, but device complexity increases
Solution Approach 1:
Multiple temperature sensors are combined to share common readout lines with subarrays. Instead of providing dedicated readout infrastructure for each temperature sensor, the patent merges them into the existing subarray readout paths, reducing device complexity while maintaining multiple temperature measurement points.
3Ease of operation
If separate readout lines are provided for temperature sensors and subarrays, then data association is simplified, but device complexity and resource usage increase
Solution Approach 1:
The patent merges the readout lines of temperature sensors and subarrays into shared pathways. Temperature sensors are configured to output signals through the same signal lines that subarrays use, creating an integrated readout architecture that reduces hardware complexity while maintaining data associability through systematic signal routing.
Solution Approach 2:
The readout lines are designed with universal functionality to handle both subarray signals and temperature sensor signals. This multi-functional infrastructure allows a single set of readout lines to serve multiple purposes, reducing the total number of required lines while maintaining the ability to distinguish and process different signal types through control logic.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration simplifies data processing, improves image quality by accurately accounting for temperature-induced dark current variations, and enhances the overall performance of the imaging system.
Implementation Method 1
a plurality of temperature sensors which output signals based on temperatures of the sensor arrays
Implementation Method 2
a plurality of sensors which output signals based on radiation or light
Data Source
AI summary
An imaging apparatus includes sensor arrays each having a plurality of subarrays having a plurality of sensors which output signals based on radiation or light, and a plurality of temperature sensors which output signals based on temperatures of the sensor arrays. In this case, a signal output from one subarray of the plurality of subarrays and a signal of one temperature sensor of the plurality of temperature sensors are read out through a line to which the sensor included in the one subarray and the one temperature sensor are commonly connected.