Acoustics – Anatomic or prosthetic relation – Ear and mouth
Patent
1980-09-12
1982-12-21
Stellar, George G.
Acoustics
Anatomic or prosthetic relation
Ear and mouth
179 1E, 1791155PS, 181144, H04R 102, H04R 120
Patent
active
043651143
ABSTRACT:
A composite speaker system for automotive vehicles in which a low-range speaker unit is mounted flush with a rear parcel shelf of the vehicle and a medium- and high-range speaker is mounted above the low-range speaker having an angular orientation which is adjustable in a vertical plane with respect to the center axis of the low-range speaker wherein the medium- and high-range speaker can be directed into the passenger compartment without reflection from the rear window. In one embodiment, the medium- and high-range speaker is rotatably mounted upon a grill frame which is detachably disposed upon and engaged with the open surface of the low-range speaker. In a second embodiment, first and second spacers extend from the center of the low-range speaker through the grill frame for the low-range speaker. In this case, the medium- and high-range speaker is tiltably mounted upon the upper end of the spacers. The medium- and high-range speaker may also be made horizontally rotatable.
REFERENCES:
patent: 2857478 (1958-10-01), Harris
patent: 3754618 (1973-08-01), Sasaki
patent: 4182429 (1980-01-01), Senzaki
Pioneer Electronic Corporation
Stellar George G.
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