H04R 15 - Magnetostrictive transducers

Patents for H04R 15 - Magnetostrictive transducers (423)
08/1988
08/16/1988	CA1240787A1 Transducer device
08/03/1988	CN88203725U Sensor
07/1988
07/12/1988	US4757219 Lamination type of magnetostrictor and manufacturing method thereof
01/1988
01/07/1988	EP0251468A2 Magnetostrictive drive module
10/1987
10/27/1987	US4703464 Permanent magnet biased magnetostrictive transducer
04/1986
04/09/1986	EP0177383A1 Broadband omnidirectional elastic wave transducer and method of manufacturing it
12/1985
12/04/1985	EP0162849A1 Low frequency sound transducer
05/1985
05/09/1985	WO1985002084A1 Low frequency sound transducer
12/1984
12/11/1984	US4488010 Loudspeaker
09/1984
09/25/1984	US4473721 High-frequency loud speaker
04/1983
04/06/1983	EP0075911A1 Loudspeaker, in particular a tweeter
03/1983
03/31/1983	WO1983001171A1 Loudspeaker, particularly tweeter
11/1982
11/30/1982	US4361879 Ferrofluid transducer
10/1982
10/20/1982	EP0063094A1 Tweeter
02/1982
02/02/1982	US4314297 Process for generating a magnetic induction field within a magnetic medium
04/1981
04/07/1981	CA1099015A1 Malfunction detector for a dictation system
02/1981
02/03/1981	US4249225 Magnetic field transducer systems
09/1980
09/16/1980	US4223401 Broadband free-flooding magnetostrictive scroll transducer
10/1979
10/09/1979	US4170498 Transducer
10/09/1979	CA1064087A1 Cylindrical magnetostrictive transducer
04/1979
04/24/1979	CA1053028A1 Magneto-elastic transducer
12/1978
12/12/1978	US4129851 Electroacoustic transducer with a magnetostrictive core
04/1977
04/12/1977	US4017754 Actuating devices

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