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3787643
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Patent Grant
3787643
References
Source
Patent Number
3,787,643
Date Filed
Not available
Date Issued
Tuesday, January 22, 1974
50 years ago
CPC
H04R25/552 - Binaural
H04R25/402 - using contructional means
H04R2225/53 - Hearing aid for unilateral hearing impairment using Contralateral Routing Of Signals [CROS]
H04R2410/07 - Mechanical or electrical reduction of wind noise generated by wind passing a microphone
US Classifications
381 - Electrical audio signal processing systems and devices
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