Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Patent
1991-05-08
1993-02-09
Ng, Jin F.
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
381187, 181128, 181129, 2482232, H04R 2500
Patent
active
051858070
ABSTRACT:
A headset has an arcuate resilient headband with arcuate stirrups at its opposite ends carrying noise attenuating ear domes. The stirrups are coupled to the headband for pivotal movement about first parallel axes. The ear domes are coupled to the stirrups for both pivotal movement about second axes extending transversely with respect to the first axes, and translational movement toward and away from each other between multiple pivot positions located along third axes extending transversely with respect to the second axes.
REFERENCES:
patent: 2383068 (1945-08-01), MacLean, Jr.
patent: 3880396 (1975-04-01), Freiberger et al.
patent: 4893777 (1990-01-01), Gassaway
patent: 4897592 (1991-01-01), Flagg
patent: 4964606 (1990-10-01), Beam et al.
Bergin James T.
Urella Richard M.
David Clark Company Incorporated
Le Huyen D.
Ng Jin F.
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