Peripheral suspension in elastomer of the membrane of an electroacoustic transducer
CA1174578A
Composite structures, new adhesive, and cement composition
EP0066027A1
Diaphragm, particularly for an electro-acoustic transducer
DE2945739A1
ELECTROACOUSTIC TRANSMITTER
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Piezoelectric transducer for e.g. ultrasonic generator - has superposed polymer layers with one or more metal coatings to provide enhanced capacitance
FR2380704A7
Acoustic enclosure for loudspeakers - has mechanical filters preventing transmission of vibrations between loudspeaker and casing
FR2358815A7
Rapid mounting for cupola type loudspeaker - uses sprung radial lugs engaging inner circular ram of loudspeaker enclosure
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Spherical loudspeaker adjustable orientation system - employs retaining rings around speaker which are screwed to support
ES345335A1
Assembly procedure of a permanent magnet in a magnetic cylinder head, especially of electrodinamico loudspeaker. (Machine-translation by Google Translate, not legally binding)
ES297700A1
Improvements introduced in the manufacture of molded paper membranes for loudspeakers (Machine-translation by Google Translate, not legally binding)
GB951584A
Improvements in or relating to methods of securing without any overseam the inner closing tongue of a trousers slitand trousers slits obtained therefrom
US2828264A
Manufacture process of permanent magnets from sintered mixtures of oxides
GB714006A
Improvements in or relating to diaphragms for loudspeakers and microphones, and to spiders employed for the mounting of such diaphragms