Stereo microphone unit and stereo microphone
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 15, 2013
Grant Date -
May 5, 2011
app pub date -
Sep 14, 2010
filing date -
Sep 15, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stereo capacitor microphone unit includes: two unidirectional microphone units integrally formed with respective fixed electrodes of the unidirectional microphone units facing each other; and an insulating spacer that is interposed between the fixed electrodes and provided with a gap formed at a portion of an outer periphery towards radial direction. The gap communicates fixed electrode rear spaces of the respective unidirectional microphone units with an external space to serve as a common rear acoustic terminal for the unidirectional microphone units.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully