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Class Information
Number: 367/149
Name: Communications, electrical: acoustic wave systems and devices > Signal transducers > Underwater type > Exclusive-type receiver
Description: Subject matter comprising transducers which are only capable of converting acoustic waves into electrical signals.










Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
4296487 Pressure sensitive line transducer Oct. 20, 1981
4238856 Fiber-optic acoustic sensor Dec. 9, 1980
4203165 Acoustic filter May. 13, 1980
4197522 Electrolytic signal detector with an orifice cathode Apr. 8, 1980
4195361 Variable frequency acoustic filter Mar. 25, 1980
4193346 Electrolytic pressure mechanism Mar. 18, 1980
4193130 Fiber optic hydrophone for use as an underwater electroacoustic standard Mar. 11, 1980
4188096 Acousto-optical transducer Feb. 12, 1980
4185555 Electrolytic pressure sensitive mechanism Jan. 29, 1980
4176339 Propagation sampled acoustic line array Nov. 27, 1979
4162397 Fiber optic acoustic sensor Jul. 24, 1979
4155065 Optic scattering acoustic transducer May. 15, 1979
4149034 Resolution enhanced sound detecting apparatus Apr. 10, 1979
4115753 Fiber optic acoustic array Sep. 19, 1978
4071753 Transducer for converting acoustic energy directly into optical energy Jan. 31, 1978
3973235 Device for the detection of an acoustic image Aug. 3, 1976

1 2 3 4 5










 
 
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