Assignee
ELECTRO VOICE
US29 patents
Top patents by PatentIndex Score
US4933975AJun 12, 1990
Dynamic loudspeaker for producing high audio power
ELECTRO VOICE66 citations96
US4923031AMay 8, 1990
High output loudspeaker system
ELECTRO VOICE98 citations96
US4717889AJan 5, 1988
Power control system for periodically and selectively energizing or shorting primary windings of transformers for controlling the output voltage across a common secondary winding
ELECTRO VOICE52 citations95
US4071112AJan 31, 1978
Horn loudspeaker
ELECTRO VOICE62 citations95
US5020630AJun 4, 1991
Loudspeaker and horn therefor
ELECTRO VOICE61 citations94
US4733749AMar 29, 1988
High output loudspeaker for low frequency reproduction
ELECTRO VOICE89 citations94
US4685532AAug 11, 1987
Constant directivity loudspeaker horn
ELECTRO VOICE59 citations94
US4401859AAug 30, 1983
Directional microphone with high frequency selective acoustic lens
ELECTRO VOICE40 citations93
US4258235AMar 24, 1981
Pressure gradient electret microphone
ELECTRO VOICE45 citations93
US4718517AJan 12, 1988
Loudspeaker and acoustic transformer therefor
ELECTRO VOICE35 citations92
US4685137AAug 4, 1987
Microphone with non-symmetrical directivity pattern
ELECTRO VOICE37 citations92
US4716353ADec 29, 1987
Battery charger
ELECTRO VOICE39 citations91
US4673888AJun 16, 1987
Power control system
ELECTRO VOICE81 citations90
US4629029ADec 16, 1986
Multiple driver manifold
ELECTRO VOICE37 citations90
US4984278AJan 8, 1991
Adjustable mount for a loudspeaker
ELECTRO VOICE27 citations89
US4567608AJan 28, 1986
Microphone for use on location
ELECTRO VOICE53 citations87
US4194096AMar 18, 1980
Microphone shock mount and assembly
ELECTRO VOICE96 citations86
US4525604AJun 25, 1985
Horn loudspeaker with convex diaphragm
ELECTRO VOICE29 citations85
US4779035AOct 18, 1988
End of charge detector
ELECTRO VOICE20 citations81
US4410770AOct 18, 1983
Directional microphone
ELECTRO VOICE45 citations81
US3944756AMar 16, 1976
Electret microphone
ELECTRO VOICE48 citations81
US4775766AOct 4, 1988
Tapped transformer/switch assembly
ELECTRO VOICE23 citations79
US4547632AOct 15, 1985
Dynamic loudspeaker
ELECTRO VOICE22 citations79
US4593405AJun 3, 1986
Loudspeaker system with combination crossover and equalizer
ELECTRO VOICE23 citations75
US4151378AApr 24, 1979
Electrostatic microphone with damping to improve omnidirectionality, flatten frequency response, reduce wind noise
ELECTRO VOICE17 citations74
US4646873AMar 3, 1987
Microphone and acoustic equalizer therefor
ELECTRO VOICE9 citations73
US4624338ANov 25, 1986
Loudspeaker enclosure for a vibrating diaphragm loudspeaker
ELECTRO VOICE16 citations66
US4824715AApr 25, 1989
Engraving process and product thereof
ELECTRO VOICE2 citations62
US4745020AMay 17, 1988
Engraved plastic article
ELECTRO VOICE1 citations51