Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Patent
1993-02-08
1994-05-31
Kuntz, Curtis
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
381188, 455351, H04R 2500
Patent
active
053176430
ABSTRACT:
An apparatus including a radio receiver mounted interiorly of a welding helmet adjacent an upper edge thereof, with a plurality of speakers selectively securable adjacent an interior surface of the helmet. A modification of the invention includes a flexible semi-circular speaker cup mounting each audio head phone therewithin to enhance audio transmission, as well as hook members to secure excessive speaker wire relative to each head phone. The head phone wires are mounted utilizing cooperative hook and loop fastener strips to secure the head phone wires within the helmet, as required.
REFERENCES:
patent: 3549831 (1970-12-01), Forney
patent: 3786519 (1974-01-01), Aileo
patent: 4357711 (1982-11-01), Drefko et al.
patent: 4607395 (1986-08-01), Sundahl
patent: 4729132 (1988-03-01), Fierro
patent: 4833726 (1989-05-01), Shinoda et al.
Gilden Leon
Kuntz Curtis
Le Huyen D.
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