Speaker

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Speaker or housing therefor

Patent

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Details

D14215, 1401

Patent

active

D04160207

REFERENCES:
patent: D254251 (1980-02-01), Ward
patent: D305892 (1990-02-01), Freed
patent: D379183 (1997-05-01), Lin
patent: D390234 (1998-02-01), Ito et al.
patent: D392289 (1998-03-01), Isonaga
Dalesford D speakers, Hi-Fi For Pleasure, Oct. 1981, p. 202.
"Kugellautsprecher.music-flat.; A German Approach Towards the Omni-Directional Ideal" reproduced from Mar. 1959 issue in Classic Hi-Fi: Hi-Fi News & Record Review, Feb. 1999, pp. 22-24.
Cubicon brochure prior to Jun. 1991.
JR Loudspeakers, Hi Fi News, Mar. 1978.
Stereo Review, p. 50, Magnet Speaker, May 1987.
Stereo Review, p. 39, OHM CAM 16 Speakers, Apr. 1990.
Stereo Review, p. 54, B & W's Matrix Loudspeaker, Aug. 1989.

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