Combined stereo headphone and transmitter

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

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D14224

Patent

active

D03588173

REFERENCES:
patent: 4930148 (1990-05-01), Lee
patent: 5095382 (1992-03-01), Abe
Stereo Review, May 1989, p. 16, Sony MDR-IF5K cordless headphone.
Stereo Review, Aug. 1993, p. 36 Beyer IRS 790 cordless headphone.
Stereo Review, Oct. 1993, p. 17, JVC HA-W75 cordless headphone.

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