Mobile Receiver Unit Gyro Compass Camera Control

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Solution Overview

Problem

Existing systems for controlling pan/tilt cameras lack intuitive and compact designs for user operation, often requiring additional auxiliary elements like joysticks and incurring extra costs for sensors, while also not efficiently utilizing built-in gyro and compass sensors.

Innovation Solution

A mobile receiving unit equipped with a gyro sensor system for detecting relative angle changes and a compass sensor system for determining absolute angular positions, allowing users to control pan and tilt angles of cameras without additional input devices, leveraging existing sensors for cost-effective and intuitive operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If additional auxiliary elements like joysticks are used for controlling pan/tilt cameras, then ease of operation is improved, but device complexity and cost increase

Engineering Contradiction:
Improveease of operationVSAvoiddevice complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The mobile device uses its own built-in gyro sensor and compass sensor to control the pan/tilt camera, eliminating the need for external joysticks or additional input devices. The device controls itself using sensors already present in the mobile device, thereby reducing overall system complexity while maintaining ease of operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The built-in sensors of the mobile device (gyro sensor and compass sensor) are utilized for dual purposes: their original functions for the mobile device itself, and additionally for controlling the pan/tilt camera. This multi-functional use eliminates the need for dedicated control hardware, reducing device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Ease of operation

If additional auxiliary elements like joysticks are used for controlling pan/tilt cameras, then ease of operation is improved, but manufacturing cost increases

Engineering Contradiction:
Improveease of operationVSAvoidmanufacturing cost
Core Design Contradiction:
Ease of operationVSEase of manufacture

Solution Approach 1:

The mobile device uses its own built-in gyro sensor and compass sensor to control the pan/tilt camera, eliminating the need for external joysticks or additional input devices. The device controls itself using sensors already present in the mobile device, thereby reducing overall system complexity while maintaining ease of operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The built-in sensors of the mobile device (gyro sensor and compass sensor) are utilized for dual purposes: their original functions for the mobile device itself, and additionally for controlling the pan/tilt camera. This multi-functional use eliminates the need for dedicated control hardware, reducing device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Device complexity

If built-in gyro and compass sensors are not utilized, then device complexity is reduced, but ease of operation and precision are worsened

Engineering Contradiction:
Improvedevice complexityVSAvoidease of operation
Core Design Contradiction:
Device complexityVSEase of operation

Solution Approach 1:

The mobile device uses its own built-in gyro sensor and compass sensor to control the pan/tilt camera, eliminating the need for external joysticks or additional input devices. The device controls itself using sensors already present in the mobile device, thereby reducing overall system complexity while maintaining ease of operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The gyro sensor detects angular velocity changes and the compass sensor detects changes in absolute angular position, providing real-time feedback to the control unit. This feedback enables precise and intuitive control of the pan/tilt camera, improving ease of operation and control precision.

Inventive Principle:
Principle #23Feedback

4Device complexity

If built-in gyro and compass sensors are not utilized, then manufacturing cost is reduced, but ease of operation and precision are worsened

Engineering Contradiction:
Improvedevice complexityVSAvoidmanufacturing cost
Core Design Contradiction:
Device complexityVSEase of manufacture

Solution Approach 1:

The mobile device uses its own built-in gyro sensor and compass sensor to control the pan/tilt camera, eliminating the need for external joysticks or additional input devices. The device controls itself using sensors already present in the mobile device, thereby reducing overall system complexity while maintaining ease of operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The built-in sensors of the mobile device (gyro sensor and compass sensor) are utilized for dual purposes: their original functions for the mobile device itself, and additionally for controlling the pan/tilt camera. This multi-functional use eliminates the need for dedicated control hardware, reducing device complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

5Measurement precision

If gyro sensor is used for detecting relative angle changes, then control precision is improved, but device complexity increases

Engineering Contradiction:
Improvecontrol precisionVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The mobile device uses its own built-in gyro sensor and compass sensor to control the pan/tilt camera, eliminating the need for external joysticks or additional input devices. The device controls itself using sensors already present in the mobile device, thereby reducing overall system complexity while maintaining ease of operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The gyro sensor detects angular velocity changes and the compass sensor detects changes in absolute angular position, providing real-time feedback to the control unit. This feedback enables precise and intuitive control of the pan/tilt camera, improving ease of operation and control precision.

Inventive Principle:
Principle #23Feedback

6Measurement precision

If compass sensor is used for detecting absolute angular position, then control precision is improved, but device complexity increases

Engineering Contradiction:
Improvecontrol precisionVSAvoiddevice complexity
Core Design Contradiction:
Measurement precisionVSDevice complexity

Solution Approach 1:

The mobile device uses its own built-in gyro sensor and compass sensor to control the pan/tilt camera, eliminating the need for external joysticks or additional input devices. The device controls itself using sensors already present in the mobile device, thereby reducing overall system complexity while maintaining ease of operation.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The gyro sensor detects angular velocity changes and the compass sensor detects changes in absolute angular position, providing real-time feedback to the control unit. This feedback enables precise and intuitive control of the pan/tilt camera, improving ease of operation and control precision.

Inventive Principle:
Principle #23Feedback

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 direct and precise control of camera angles with a compact design, utilizing built-in sensors to simplify user interaction and enhance operational efficiency, allowing for smooth and understandable handling of camera movements.

Implementation Method 1

The control device includes a gyro sensor for detecting a relative angular change of the mobile receiving unit about at least one axis, in particular about a pan axis and/or a tilt axis

Methodology Applied
Scientific EffectGyroscopic effect: Gyroscope

Implementation Method 2

The control device includes a compass sensor for detecting an absolute angular position of the mobile receiving unit

Methodology Applied
Scientific EffectMagnetic field detection: Magnetic Field

Data Source

PatentEP2898667B1Mobile receiver unit, method for operating the mobile receiver unit and computer program
Publication Date: 2019.05.15 ROBERT BOSCH GMBH
  • EP2898667B1 patent drawingFigure 1
  • EP2898667B1 patent drawingFigure 2a
  • EP2898667B1 patent drawingFigure 2b

AI summary

The invention relates to a mobile receiver unit (1) for controlling an actuator (2) for setting a pan and/or tilt angle α, ß of a camera (3), said unit having a display device 4 to display an image captured by the camera (3), a control device (5) to define control commands for the actuator (2) and a transmitter unit (6) to transmit the control commands to the actuator (2), wherein the control device (5) has a gyroscopic sensor (7) to detect a relative change in angle of the mobile receiver unit (1) around at least one axis A, B, wherein a control command for a relative angle change of the pan angle α and/or the tilt angle ß of the camera (3) is determined by the relative angle change, and/or the control device (5) has a compass sensor (8) to detect an absolute angle position of the mobile receiver unit (1) around at least one axis A, B, wherein a control command for an absolute angle setting of the pan angle α of the camera is determined by the absolute angle position.