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3588797
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Information
Patent Grant
3588797
References
Source
Patent Number
3,588,797
Date Filed
Not available
Date Issued
Monday, June 28, 1971
52 years ago
CPC
G01S3/8038 - derived from different combinations of signals from separate transducers comparing sum with difference
H04R1/406 - microphones
Y10S367/901 - Noise or unwanted signal reduction in nonseismic receiving system
US Classifications
367 - Communications, electrical: acoustic wave systems and devices
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