Assignee
ALTEC CORP
19 granted patents·731 citations·filing 1975–1983
Top patents by PatentIndex Score
19 records- 0192US4296278ALoudspeaker overload protection circuitALTEC CORP·Filed 1979·Granted Oct 20, 1981·281 cites·10 claims
- 0290USD250586SLoudspeakerALTEC CORP·Filed 1976·Granted Dec 19, 1978·48 cites·1 claims
- 0390US3991286AHeat dissipating device for loudspeaker voice coilALTEC CORP·Filed 1975·Granted Nov 9, 1976·70 cites·3 claims
- 0485US4187926ALoudspeaker hornALTEC CORP·Filed 1978·Granted Feb 12, 1980·45 cites·6 claims
- 0585US4122508AModular printed circuit board assembly having cooling means incorporated thereinALTEC CORP·Filed 1977·Granted Oct 24, 1978·54 cites·7 claims
- 0685USD248647SLoudspeakerALTEC CORP·Filed 1976·Granted Jul 25, 1978·25 cites·1 claims
- 0782US4050541AAcoustical transformer for horn-type loudspeakerALTEC CORP·Filed 1976·Granted Sep 27, 1977·47 cites·12 claims
- 0877US4325456AAcoustical transformer for compression-type loudspeaker with an annular diaphragmALTEC CORP·Filed 1980·Granted Apr 20, 1982·42 cites·6 claims
- 0971USD249509SAcoustical transformer for coupling sound waves from the diaphragm to the throat of a horn-type loudspeakerALTEC CORP·Filed 1976·Granted Sep 19, 1978·10 cites·1 claims
- 1067USD249941SLoudspeakerALTEC CORP·Filed 1976·Granted Oct 17, 1978·14 cites·1 claims
- 1158US4078215AElectronic filter circuitALTEC CORP·Filed 1976·Granted Mar 7, 1978·14 cites·4 claims
- 1257US4081757AParallel power amplifier circuitsALTEC CORP·Filed 1976·Granted Mar 28, 1978·9 cites·3 claims
- 1354US4176731ATwo-section exponential acoustical hornALTEC CORP·Filed 1977·Granted Dec 4, 1979·18 cites·6 claims
- 1449US4130023AMethod and apparatus for testing and evaluating loudspeaker performanceALTEC CORP·Filed 1977·Granted Dec 19, 1978·9 cites·9 claims
- 1545US4481663ANetwork for use with piezoceramic transducerALTEC CORP·Filed 1983·Granted Nov 6, 1984·18 cites·13 claims
- 1645US4180780AInput decoupling circuit for transistor differential amplifierALTEC CORP·Filed 1978·Granted Dec 25, 1979·6 cites·5 claims
- 1738US3987342AProtective circuit utilizing multilevel power supply outputALTEC CORP·Filed 1975·Granted Oct 19, 1976·7 cites·7 claims
- 1834US4180710AAdjustably positioned phasing plugALTEC CORP·Filed 1978·Granted Dec 25, 1979·9 cites·5 claims
- 1927US3967367AMethod for aligning loudspeaker diaphragm and voice coil assemblyALTEC CORP·Filed 1975·Granted Jul 6, 1976·5 cites·4 claims
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