Acoustic device
The audio device expands load adjustment range for rotary operators by using a braking unit with a cam gear system to control contact states, addressing floating and operability issues, thereby improving user experience.
WO2026133560A1PCT designated stage Publication Date: 2026-06-25ALPHATHETA CORP
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- ALPHATHETA CORP
- Filing Date
- 2024-12-20
- Publication Date
- 2026-06-25
Smart Images

Figure JP2024045286_25062026_PF_FP_ABST
Abstract
An acoustic device (1) comprises: a rotary operator (11); a base unit (12) that rotatably supports the rotary operator (11); a braking unit (13) that generates a braking force in the rotating rotary operator (11); and an regulating unit (14) that regulates the braking force generated by the braking unit (13). The braking unit (13) has a first contact unit (26) that comes into contact with the center of rotation of the rotary operator (11) from the side opposite to the base unit (12) side in the direction (Z) of the axis of rotation of the rotary operator (11). The regulating unit (14) regulates the state of contact between the first contact unit (26) and the rotary operator (11).
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