Assignee
ALTEC CORP
19 patents
Top patents by PatentIndex Score
US3991286ANov 9, 1976
Heat dissipating device for loudspeaker voice coil
ALTEC CORP70 citations95
US4050541ASep 27, 1977
Acoustical transformer for horn-type loudspeaker
ALTEC CORP47 citations92
US4296278AOct 20, 1981
Loudspeaker overload protection circuit
ALTEC CORP281 citations91
US4187926AFeb 12, 1980
Loudspeaker horn
ALTEC CORP45 citations90
USD250586SDec 19, 1978
Loudspeaker
ALTEC CORP48 citations89
US4325456AApr 20, 1982
Acoustical transformer for compression-type loudspeaker with an annular diaphragm
ALTEC CORP42 citations88
US4122508AOct 24, 1978
Modular printed circuit board assembly having cooling means incorporated therein
ALTEC CORP54 citations88
USD248647SJul 25, 1978
Loudspeaker
ALTEC CORP25 citations75
US4130023ADec 19, 1978
Method and apparatus for testing and evaluating loudspeaker performance
ALTEC CORP9 citations73
USD249509SSep 19, 1978
Acoustical transformer for coupling sound waves from the diaphragm to the throat of a horn-type loudspeaker
ALTEC CORP10 citations73
US4176731ADec 4, 1979
Two-section exponential acoustical horn
ALTEC CORP18 citations69
US4081757AMar 28, 1978
Parallel power amplifier circuits
ALTEC CORP9 citations69
US4481663ANov 6, 1984
Network for use with piezoceramic transducer
ALTEC CORP18 citations65
US4180710ADec 25, 1979
Adjustably positioned phasing plug
ALTEC CORP9 citations65
US3987342AOct 19, 1976
Protective circuit utilizing multilevel power supply output
ALTEC CORP7 citations63
USD249941SOct 17, 1978
Loudspeaker
ALTEC CORP14 citations60
US4078215AMar 7, 1978
Electronic filter circuit
ALTEC CORP14 citations59
US4180780ADec 25, 1979
Input decoupling circuit for transistor differential amplifier
ALTEC CORP6 citations58
US3967367AJul 6, 1976
Method for aligning loudspeaker diaphragm and voice coil assembly
ALTEC CORP5 citations51