Acoustical transducer with a slotted piston suspension

Details Acoustical transducer with a slotted piston suspension Acoustical transducer with a slotted piston suspension

1981-12-24

1984-02-21

Pellinen, A. D.

Acoustics

Anatomic or prosthetic relation

Ear and mouth

1791155R, 179181R, 181172, H04R 900, H04R 904

Patent

active

044332149

ABSTRACT:
An improved electrodynamic acoustic transducer with a slotted piston suspension system which results in greater linear excursions by relieving stresses within the diaphragm during the movement and allows improved operations of transducer with greater magnet size and greater radiating areas of diaphragm suspension. Overall efficiency of transducer is thereby improved. An improved piston suspension can be utilized with electrodynamic acoustic transducers operating in the range of 200 to 20,000 cycles per second.

REFERENCES:
patent: 1514511 (1924-11-01), Fischer
patent: 1621670 (1927-04-01), Jokel
patent: 1722020 (1929-07-01), Smythe
patent: 1759725 (1930-05-01), Young et al.
patent: 1821933 (1931-09-01), Darnell
patent: 2439665 (1948-04-01), Marquis
patent: 2439666 (1948-04-01), Marquis
patent: 2993558 (1961-07-01), Reisz
patent: 3436494 (1969-04-01), Bozak
patent: 3780232 (1973-12-01), Ward

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