Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent
1995-02-21
1998-10-06
Isen, Forester W.
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
381203, 381 24, H04R 2500
Patent
active
058189505
ABSTRACT:
A very thin screen speaker and a support leg for supporting the screen speaker without a dead space of installing the screen speaker. There is provided a speaker system having a screen for image projection formed on a front plate constituting a cabinet of the speaker system, wherein a diaphragm system is disposed between the front plate and a back plate constituting the cabinet, the diaphragm system being assembled by components including a voice coil, a diaphragm, and a suspension, and the depth of both the sound paths being equal to the distance from the inner surface of the front plate to the inner surface of the rear plate.
REFERENCES:
patent: 4646349 (1987-02-01), Puls
patent: 4903300 (1990-02-01), Polk
patent: 4998283 (1991-03-01), Nishida et al.
patent: 5361380 (1994-11-01), You et al.
patent: 5668886 (1997-09-01), Sakamoto et al.
Hayakawa Junichi
Iwakura Shirou
Ohta Syuuhei
Sakamoto Yoshio
Ferguson Jr. Gerald J.
Isen Forester W.
Kabushiki Kaisha Kenwood
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