Imaging Device Flash Control via Capability Detection
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Solution Overview
Problem
Existing imaging devices face challenges in effectively controlling light emission of external flash devices, particularly when the flash control device does not have a built-in flash, leading to potential errors in light emission control due to lack of information on the flash's controllable light range.
Innovation Solution
An imaging device and flash control device system that communicates via a connector, with a memory storing information on whether a flash is incorporated, allowing the controller to determine and switch control based on this information, enabling wireless communication with external flash devices for coordinated light emission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the imaging device controls an external flash device without determining whether the flash control device has a built-in flash, then the control process is simple, but errors occur in light emission control
Solution Approach 1:
The imaging device performs preliminary determination through communication with the flash control device to check whether it has a built-in flash before executing the light emission control. This preliminary action allows the system to select the appropriate control method in advance, ensuring reliable light emission control while managing complexity through structured pre-checks.
2Adaptability or versatility
If the imaging device always uses the control method for flash control devices with built-in flash, then the control method is standardized, but it causes errors when the flash control device does not have a built-in flash
Solution Approach 1:
The control method dynamically adapts based on the determined capabilities of the connected flash control device. The imaging device switches between different control methods depending on whether the flash control device has a built-in flash, enabling compatibility with various device types while managing complexity through conditional logic based on device capabilities.
3Reliability
If the imaging device communicates to determine flash control device capabilities, then control accuracy is improved, but communication time and processing time increase
Solution Approach 1:
The capability determination communication is performed as a preliminary action before the actual light emission control. This ensures that the necessary information is obtained in advance, allowing the system to proceed with accurate control without repeated communications during the shooting process, thus minimizing time loss while maintaining control accuracy.
Data Source
AI summary
An imaging device connectable via a connector to a flash control device which is connectable via the connecting section and which has a memory storing information on whether or not to incorporate a flash function, the imaging device comprising: a controller which communicates with the flash control device connected to the connector, and controls the flash control device, wherein the controller communicates with the flash control device to determine the information, and switches control of the flash control device according to a determination result.