Image Pickup System Manual Light Emission Control
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Solution Overview
Problem
Conventional image pickup systems face challenges in achieving optimal light emission performance when the sender device is set to not emit light, as the receiver device may not utilize its best light emission capabilities, and the link between the sender device's built-in strobe and receiver device settings can hinder the best performance of both devices.
Innovation Solution
An image pickup system with a sender device and a receiver device that includes a processor to set and manage manual light emission amounts, allowing the sender device to be set to either activated or deactivated settings, and adjusting the light emission range accordingly, while notifying the receiver device to update its manual light emission amount based on the sender's settings, thereby optimizing light emission performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If the sender device is set to not emit light (light emission deactivated setting), then the sender device saves energy and reduces light interference, but the receiver device cannot achieve its best light emission performance because it receives incorrect light emission amount information
Solution Approach 1:
The patent makes the light emission amount settable range dynamic by switching between two different ranges based on the sender device's light emission setting state. When the sender device is set to light emission activated, the range is set to reflect the sender's light emission capability. When deactivated, the range is adjusted to reflect only the receiver's light emission capability, allowing the receiver to achieve optimal performance without being constrained by the sender's non-emitting state
Solution Approach 2:
The patent changes the parameter of light emission amount settable range based on the sender device's operational mode. By detecting whether the sender is in activated or deactivated state, the system adjusts the appropriate range parameter, ensuring that the receiver device receives accurate information for achieving its best light emission performance in each scenario
2Device complexity
If the sender device notifies the receiver device of light emission amount corresponding to sender's light emission performance even when sender does not emit light, then the communication protocol remains simple, but the receiver device cannot achieve best light emission performance
Solution Approach 1:
The system dynamically adjusts the light emission amount settable range based on the sender device's state. When the sender is deactivated, the range is modified to correspond to the receiver's optimal performance parameters rather than the sender's non-emitting state, allowing the receiver to achieve best performance while maintaining the same communication protocol structure
3Ease of operation
If the light emission amount of the built-in strobe of the camera is linked to the setting of the receiver device, then the synchronization is simplified, but the best performance of the sender device cannot be achieved
Solution Approach 1:
The patent implements dynamic switching of the light emission amount settable range based on the sender device's activated/deactivated state. This allows the system to maintain simple synchronization control while enabling the sender device to achieve its best performance by selecting the appropriate range that reflects its actual light emission capability rather than being constrained by a fixed linkage to receiver settings
Data Source
AI summary
An image pickup system, which includes an image pickup apparatus, a sender device and a receiver device each including a light emission part and controls light emission amounts thereof, and which achieves the best light emission performance at the time of manual light emission. In the image pickup system: the image pickup apparatus sets manual light emission amounts of the sender device and receiver device, and sets light emission activated setting or light emission deactivated setting on the sender device; the sender device changes a light emission amount settable range in which the manual light emission amount is settable, based on a setting set on the sender device, and notifies the receiver device of the set manual light emission amount; and the receiver device updates the manual light emission amount of the receiver device based on the notified manual light emission amount.