Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Patent
1986-01-29
1987-08-25
Rubinson, Gene Z.
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
381187, H04M 105
Patent
active
046898220
ABSTRACT:
An improved headset of the type including a headband having two ends provided with sliding portions, wherein a pair of adjusting pieces are slidably received through the sliding portions to permit adjusting the height of the adjusting pieces with respect to the headband. The lower end of each adjusting piece is provided with a seat having a connecting member formed on the bottom thereof. A pair of main bodies, each body including a speaker and an ear cushion, are pivotally connected to the connecting members of the adjusting pieces so as to permit the main bodies to be rotated about the longitudinal axis of the headband.
REFERENCES:
patent: 1866043 (1932-07-01), Konigsberger
patent: 4455457 (1984-06-01), Akira
patent: 4472607 (1984-09-01), Houng
patent: 4499593 (1985-02-01), Antle
patent: 4588868 (1986-05-01), Bertagna et al.
"New Breakthrough in Headphone Design", Radio Electronics, Jun. 1981, pp. 51-53.
Byrd Danita R.
Rubinson Gene Z.
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