Orientation-Based Camera Mode Switching
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Solution Overview
Problem
Current digital cameras require users to manually switch between still image and video capture modes, which can be cumbersome and vision-intensive, especially in low-light conditions, and do not automatically adapt to the user's holding orientation.
Innovation Solution
A device equipped with an image sensor and an orientation sensor that automatically configures the camera mode based on its orientation, switching to still image capture in horizontal positions and video capture in vertical positions, with an optional lock control to maintain the mode irrespective of orientation changes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manual switching between still image and video capture modes is implemented, then the device provides both still image and video capture capabilities, but the operation becomes cumbersome and vision-intensive especially in low-light conditions
Solution Approach 1:
The device automatically detects its own orientation using an orientation sensor and autonomously switches between still image and video capture modes based on the detected orientation, eliminating the need for manual user intervention. The system serves itself by making configuration decisions based on sensor data without requiring user input.
Solution Approach 2:
The orientation sensor continuously provides feedback about the device's physical orientation to the control system, which then automatically adjusts the capture mode in response to orientation changes. This closed-loop feedback mechanism enables automatic mode switching that adapts to how the user is holding the device.
2Adaptability or versatility
If multiple buttons and menu systems are used for mode switching, then the device provides comprehensive control options, but the menu complexity increases and vision issues arise especially at night
Solution Approach 1:
The device automatically determines the appropriate capture mode based on orientation sensor data without requiring users to navigate through menus or press buttons. The system self-configures based on physical orientation, eliminating complex menu systems and multiple control buttons while maintaining full functionality.
Solution Approach 2:
The patent extracts the mode selection function from the manual control interface (buttons and menus) and relocates it to an automatic sensor-based system. The orientation sensor and automatic control logic replace the need for manual mode selection interfaces, simplifying the user interaction model.
3Ease of operation
If the device automatically changes capture mode based on orientation, then the switching between still image and video becomes seamless and intuitive, but the device requires additional orientation sensor hardware
Solution Approach 1:
The orientation sensor serves multiple functions: it detects device orientation for automatic mode switching, determines optimal shooting angles, and can inform other device functions such as display orientation and image stabilization. This multi-functionality justifies the added hardware by providing benefits beyond just mode switching.
Solution Approach 2:
The device uses its own physical orientation as the input signal for mode selection, requiring no additional user input devices or complex control interfaces. The orientation sensor directly translates physical device state into operational mode, creating a natural and intuitive control mechanism.
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
Enables seamless and intuitive switching between still image and video capture modes without manual intervention, improving user experience by adapting to the device's orientation and allowing hands-free operation.
Implementation Method 1
An image sensor called a charge-coupled device was invented in 1969 at AT&T Bell Labs by Willard Boyle and George E. Smith
Data Source
AI summary
An application for a device that includes an image sensor, an orientation sensor and image capture capabilities. Operation of the device is based upon a detected orientation of the device by the orientation sensor. In one embodiment, when the device is in a horizontal orientation, the image capture operates as a digital still image camera and when the device is in a vertical orientation, the image capture operates as a digital video camera. Other orientations are anticipated including upside down as well as other operating modes such as flash enabled and flash disabled. Optionally, a control is provided to lock the operation in one of the modes irrespective of changes in the orientation of the device.