Fireplace sound simulator

Details Fireplace sound simulator Fireplace sound simulator

1990-10-24

1992-03-31

Chilcot, Jr., Richard E.

Card, picture, or sign exhibiting

Display with special effects

Simulated fireplace

472 64, A63J 500, G04F 1336

Patent

active

050995910

ABSTRACT:
A fireplace-mountable sonic generator produces random noise pulses of varying amplitude imitative of the crackling of a fire, and is particularly suited to emplacement within fireplaces which simulate a log fire by passing burning illuminating gas over a refractory imitation log. The sounds are produced by a reed repeatedly flexed away from a striker plate and then released to impact against that plate, producing a characteristic crackling sound. A series of such deflections and releases at apparently random times is provided by a motor-driven rotating drum having series of surface-mounted, radially-extending irregularly spaced projections. The end of the reed is disposed to be engaged by the drum projections as they move past. Variations in sound intensity from one sound burst to the next may be achieved by varying the lengths of the projections, or by varying their overlap distance as measured from the center of the reed.

REFERENCES:
patent: 3499239 (1970-03-01), Mungo
patent: 3526984 (1970-09-01), Nielsen et al.
patent: 3978598 (1976-09-01), Rose et al.
patent: 4026544 (1977-05-01), Rambeck et al.

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