Surveillance Camera Auto Corridor Mode Switching Mechanism
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Solution Overview
Problem
Existing surveillance camera systems require manual rotation and additional support when switching from normal to corridor mode, resulting in a weak and aesthetically unpleasing setup, and necessitate user-configured rotational settings for a larger field of view.
Innovation Solution
A surveillance camera system with a rotatable mechanical mechanism and on-board accelerometer sensor that allows automatic or manual switching between normal and auto corridor modes, using a straight bracket for support and internal component rotation, eliminating the need for manual rotation and additional support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the surveillance camera is manually rotated into corridor mode, then the field of view of the corridor is improved, but the mounting structure becomes weaker and less aesthetically appealing
Solution Approach 1:
The camera system is divided into a fixed housing portion and a rotatable internal mechanism portion. The housing remains stationary on the mounting bracket while internal components (sensor board, lens assembly) rotate independently to change the field of view. This segmentation allows the mounting structure to remain strong and simple while achieving corridor mode through internal rotation.
2Area of stationary object
If the surveillance camera is manually rotated into corridor mode, then the field of view of the corridor is improved, but the device complexity increases due to additional mounting requirements
Solution Approach 1:
The rotation mechanism is merged into the camera housing itself, eliminating the need for separate mounting configurations. The same straight bracket supports both normal mode and corridor mode operations, as the internal mechanism rotates within the fixed housing. This integration reduces device complexity by removing the need for different mounting brackets or configurations.
3Adaptability or versatility
If the user manually configures rotational settings, then the corridor mode can be activated, but the ease of operation deteriorates
Solution Approach 1:
The camera system includes automatic detection capabilities that sense when the camera is installed in a corridor configuration and automatically switch to corridor mode without requiring manual user configuration. The system self-adjusts rotational settings based on detected installation orientation, eliminating the need for users to manually configure complex rotational parameters while maintaining full adaptability.
4Area of stationary object
If the aspect ratio is changed to 9:16 or 3:4 for corridor mode, then the field of view is improved, but the manufacturing precision requirements increase
Solution Approach 1:
Instead of requiring precise manufacturing tolerances for fixed aspect ratio configurations, the system uses a dynamic rotation mechanism that can precisely adjust the field of view orientation during operation. The rotatable internal mechanism allows the camera to dynamically switch between normal and corridor modes with accurate positioning, reducing the need for high manufacturing precision in the physical housing and mounting structures.
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 switching between modes without the need for manual rotation or additional support, enhancing the camera's field of view while maintaining structural integrity and aesthetic appeal, and automatically configuring rotational settings for optimal image capture.
Implementation Method 1
on-board accelerometer sensor carried within the box housing
Data Source
AI summary
A camera can include a box housing, a rotatable mechanical mechanism carried within the box housing, and a sensor board carried by the rotatable mechanical mechanism. The rotatable mechanical mechanism can rotate the sensor board from a first orientation to a second orientation to switch the camera from operating in a normal mode to operating in a corridor mode. Additionally or alternatively, the camera can include a CMOS sensor and an accelerometer sensor carried by the sensor board and firmware carried by the box housing. The firmware can identify a first direction of the CMOS sensor, receive a signal from the accelerometer sensor identifying a second direction of gravity, compare the first direction and the second direction, and, responsive thereto, rotate an image captured by the camera to switch the camera from operating in the normal mode to operating in the corridor mode.