Diaphragm Control for Continuous Imaging Speed

Solution Overview

Problem

Existing imaging technologies do not achieve sufficient continuous imaging speed due to inefficiencies in diaphragm operation during the capture of multiple images in rapid succession.

Innovation Solution

The implementation of a continuous imaging mode where the diaphragm is not driven between exposures for subsequent images, maintaining the aperture state from the first image exposure, and utilizing information on the distance measurement enabling range to set appropriate diaphragm apertures, thereby reducing unnecessary diaphragm operation and optimizing imaging speed.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If the diaphragm is driven from fully open state to imaging state between each captured image, then accurate exposure control is achieved, but continuous imaging speed is reduced due to repeated diaphragm driving periods

Engineering Contradiction:

Improveexposure control accuracyVSAvoidcontinuous imaging speed

Core Design Contradiction:

Measurement precisionVSProductivity

Solution Approach 1:

The diaphragm is driven to the imaging state in advance before the continuous imaging sequence begins. During the continuous imaging operation, the diaphragm maintains this pre-set imaging state without repeated driving, thereby eliminating the diaphragm driving period from the imaging interval and significantly improving continuous imaging speed while ensuring accurate exposure control

Inventive Principle:

Principle #10Preliminary action

2Adaptability or versatility

If the diaphragm returns to fully open state after each exposure, then distance measurement and photometry can be performed, but the imaging interval increases due to the return and re-positioning operations

Engineering Contradiction:

Improvedistance measurement capabilityVSAvoidimaging interval

Core Design Contradiction:

Adaptability or versatilityVSLoss of time

Solution Approach 1:

The diaphragm is driven to the imaging state in advance before the continuous imaging sequence begins. During the continuous imaging operation, the diaphragm maintains this pre-set imaging state without repeated driving, thereby eliminating the diaphragm driving period from the imaging interval and significantly improving continuous imaging speed while ensuring accurate exposure control

Inventive Principle:

Principle #10Preliminary action

Data Source

PatentUS8064762B2Imaging apparatus and imaging lens unit

Publication Date: 2011.11.22 SONY GROUP CORP

AI summary

An imaging apparatus includes: continuous imaging mode setting means for setting a continuous imaging mode in which a plurality of captured images including first and second captured images are continuously acquired; and diaphragm control means for controlling a diaphragm in an imaging optical system, wherein in the continuous imaging mode, the diaphragm control means does not drive the diaphragm during a first period from the time of exposure for the first captured image to the time of exposure for the second captured image but maintains the state of the diaphragm at the time of exposure for the first captured image until the time of exposure for the second captured image.