Electrical audio signal processing systems and devices – Electro-acoustic audio transducer – Plural or compound reproducers
Patent
1990-03-28
1991-02-05
Ng, Jin F.
Electrical audio signal processing systems and devices
Electro-acoustic audio transducer
Plural or compound reproducers
381 24, 381187, 381205, 297391, 297397, H04R 502, A47C 736
Patent
active
049912224
ABSTRACT:
A sound reproducer which is to be associated with the head of a hearer thereof has at least one sound source and a holder therefor in the form of an inflatable cushion associated with the sound source to provide that it is disposed in a position of use which can be set by the person using the device. The inflatable cushion may be in the form of an inflatable head-support cushion which combines the sound source therein.
REFERENCES:
patent: 2068590 (1937-01-01), Applestam
patent: 2589155 (1952-03-01), Smith
patent: 2742654 (1956-04-01), Hurt
patent: 2908766 (1959-10-01), Taylor
patent: 3290450 (1966-12-01), Majoros
patent: 3384719 (1968-05-01), Lanzara
patent: 3621155 (1971-11-01), Pruitt
patent: 3771181 (1973-11-01), Dansereau
patent: 3872235 (1975-03-01), Manly, Jr.
patent: 3987258 (1976-10-01), Tsutsui et al.
patent: 4038499 (1977-07-01), Yeaple
patent: 4042791 (1977-08-01), Wiseman
patent: 4070553 (1978-01-01), Hass
patent: 4314423 (1982-02-01), Lipsitz et al.
patent: 4440443 (1984-04-01), Nordskog
patent: 4489770 (1984-12-01), Reich, II
patent: 4668201 (1987-05-01), Stark
patent: 4725253 (1988-02-01), Politte
patent: 4771722 (1988-09-01), Tihany
McGeary M. Nelson
Ng Jin F.
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