Bone Conduction Speaker Eyecup for Camera Finder
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Solution Overview
Problem
Conventional image pickup apparatuses face difficulties in ensuring consistent contact of bone conduction speakers with users' faces, particularly due to variations in face size and shape, which hinders effective audio information transmission.
Innovation Solution
The design incorporates a bone conduction speaker integrated into an eyecup accessory that is detachably attachable to the camera main body, featuring a flexible printed circuit board and a light-shielding wall to ensure the speaker contacts the user's face while viewing the finder image, with mechanisms to maintain contact across different orientations and positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the bone conduction speaker is disposed on the side surface of camera unit away from finder, then the speaker can be accommodated in the camera structure, but the speaker cannot ensure consistent contact with user's face due to variations in face size and shape
Solution Approach 1:
The invention divides the eyepiece assembly into separate functional components: the eyepiece portion containing the bone conduction speaker, the frame member with opening for light passage, and the eyecup for face contact. This segmentation allows each component to be optimized independently - the eyepiece portion can be positioned for optimal speaker performance while the eyecup ensures consistent face contact regardless of camera orientation.
Solution Approach 2:
The invention transitions from a two-dimensional side-surface mounting to a three-dimensional configuration where the bone conduction speaker is integrated into the eyepiece portion that extends toward the user's face. By utilizing the depth dimension of the eyepiece assembly, the speaker can maintain consistent contact with the face while remaining accommodated within the camera structure.
2Reliability
If the bone conduction speaker is integrated into eyepiece portion, then consistent contact with user's face is ensured, but the device complexity increases
Solution Approach 1:
The invention merges the bone conduction speaker with the eyepiece portion, combining audio output functionality with the existing eyepiece structure. This integration utilizes the eyepiece portion's inherent positioning relative to the user's face, thereby ensuring consistent contact without requiring separate mounting mechanisms or additional structural complexity.
Solution Approach 2:
The eyepiece portion serves multiple functions: it provides the optical viewing path through the opening, houses the bone conduction speaker for audio output, and maintains face contact through the eyecup structure. This multi-functionality reduces the need for separate dedicated components, thereby limiting the increase in overall device complexity.
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
This configuration ensures reliable audio information transmission to the user by maintaining consistent contact of the bone conduction speaker with the user's face, regardless of the camera's orientation or the user's facial features, enhancing user experience.
Implementation Method 1
Bone conduction is a technique that transmits vibration of sounds to auditory nerves via a skull, etc., so that words and sounds can be heard
Data Source
AI summary
An image pickup apparatus includes a camera main body, an eyepiece portion for viewing an object image, and a frame member having an opening through which light of the object image passes, and the eyepiece portion includes a bone conduction speaker.