Open earphone
US-2024422466-A1 · Dec 19, 2024 · US
Driver unit and earphone device
US8948435B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8948435-B2 |
| Application number | US-201213561880-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 30, 2012 |
| Priority date | Sep 5, 2011 |
| Publication date | Feb 3, 2015 |
| Grant date | Feb 3, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
Provided is a driver unit including an acoustic conversion unit; and a housing body in which the acoustic conversion unit is housed, and in which an opening is formed. The acoustic conversion unit includes a pair of magnets arranged to face each other, a coil to which an input signal is supplied, an armature at which a vibrating part passing through the coil and arranged between the pair of magnets is formed, and a vibrating plate connected to the armature. A size of the opening is larger than 40 μm and smaller than 100 μm.
First claim
Opening claim text (preview).
What is claimed is: 1. An earphone device comprising: a first driver unit comprising: a first acoustic conversion unit; and a first housing body to house the first acoustic conversion unit, wherein a first opening is formed in the first housing body to emit sound generated by the first acoustic conversion unit to a housing of the earphone device; and a second driver unit comprising: a second acoustic conversion unit; and a second housing body to house the second acoustic…
Assignees
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Classifications
Electricity · mapped topic
- H04R1/1075Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8948435B2 cover?
- Provided is a driver unit including an acoustic conversion unit; and a housing body in which the acoustic conversion unit is housed, and in which an opening is formed. The acoustic conversion unit includes a pair of magnets arranged to face each other, a coil to which an input signal is supplied, an armature at which a vibrating part passing through the coil and arranged between the pair of mag…
- Who is the assignee on this patent?
- Oosato Yuusuke, Nageno Koji, Suzuki Takahiro, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H04R1/1075. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).