Embedded type speaker with over lying grill

Details Embedded type speaker with over lying grill Embedded type speaker with over lying grill

1974-10-18

1976-04-27

Tomsky, Stephen J.

Acoustics

Diaphragm and enclosure

Recessed

181148, H05K 500

Patent

active

039528340

ABSTRACT:
An embedded type speaker has the speaker body mounted on a wall by inserting the speaker within a mounting opening within the wall. A grill is detachably mounted in overlying fashion in front of the speaker body with the grill consisting of an annular grill frame having circumferentially spaced sound communicating holes at the peripheral portion and a large central opening therein. A support strip extends transversely across the central opening of the grill frame from one side of the frame to the other. A grill sheet overlies the grill frame to close off the central opening and has the same appearance and is preferably formed of the same material as that overlying the wall surface, facing in the same direction as the speaker. A packing is provided between the peripheral portion of the grill sheet and the periphery of the grill frame and a connecting member couples the center of the grill sheet to the center of the support strip.

REFERENCES:
patent: 2195651 (1940-04-01), Holliday
patent: 2346226 (1944-04-01), Marlow
patent: 2744584 (1956-05-01), Hellon
patent: 2982372 (1961-05-01), Lowell

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